The present disclosure relates to a method of operating a motor having a rotary component coupled to a mechanical load. The method includes determining a fluctuating speed demand corresponding to a temporally varying component of a speed of the rotary component. The method also includes determining a rotary component speed reference value based on the fluctuating speed demand. Also, the method includes controlling the motor in accordance with the rotary component speed reference value. The fluctuating speed demand is determined so as to reduce variations in a total power drawn or provided by the motor in use.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
2.
ELECTRICALLY ISOLATING HAZARDOUS VOLTAGE FROM VEHICLE POWERED TRANSPORT CLIMATE CONTROL SYSTEM
A transport climate control system configured to provide climate control within a climate controlled space towed by a vehicle is provided. The transport climate control system includes an electrical isolation box configured to house and a drive module and a compressor. The drive module receives power from a vehicle power network including a rechargeable energy storage system (RESS) to power the compressor. The drive module and the compressor are electrically isolated at a climate control system electrical potential reference, which is different from an electrical potential reference of a vehicle chassis to which the electrical isolation box is connected.
B60H 1/00 - Heating, cooling or ventilating devices
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
H02G 3/18 - Distribution boxesConnection or junction boxes providing line outlets
The refrigerant composition includes R1150 refrigerant, R170 refrigerant, and a third refrigerant. The third refrigerant is one of R1132a refrigerant and R1270 refrigerant. A method of making a refrigerant composition for an HVACR system includes mixing an amount of R1150 refrigerant, an amount of R170 refrigerant, and an amount of the third refrigerant. A method of retrofitting an existing refrigerant composition in an HVACR system includes adding at least one of R1150 refrigerant, R170 refrigerant, and a third refrigerant to the existing refrigerant composition to obtain a retrofit refrigerant composition.
A method of controlling a transport climate control system is disclosed. The method includes a controller instructing the transport climate control system to operate in a continuous mode in order to provide climate control within a climate controlled space. The method also includes the controller monitoring a temperature within the climate controlled space. Upon the temperature within the climate controlled space reaching a cycle-off temperature, the controller instructing the transport climate control system to operate in a start-stop mode. The method further includes the controller determining a reference duty cycle. Also, the method includes the controller scaling the reference duty cycle to obtain a scaled duty cycle based on the reference duty cycle and a predetermined efficient climate capacity of the transport climate control system. Moreover, the method includes the controller operating the transport climate control system in the start-stop mode according to the scaled duty cycle.
Methods and systems for operating a rechargeable energy storage source management system (RMS) to power a load while a power system is connected to an external power source are provided. One method includes determining a charger is connected to the external power source and enabled. The method also includes modulating a charger current from the charger to a rechargeable energy storage source management system (RMS). Also, the method includes modulating a rechargeable energy storage source (RESS) current provided by the RMS and configured to charge a RESS of the power system. Further, the method includes monitoring a RESS state of charge (SoC), monitoring the RESS current provided by the charger, and comparing the RESS SoC with a desired RESS SoC threshold. Upon the RESS SoC reaching the desired RESS SoC threshold, modulating the charger current for powering the load while avoiding decreasing the RESS SoC.
G01R 31/382 - Arrangements for monitoring battery or accumulator variables, e.g. SoC
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
6.
METHODS AND SYSTEMS FOR NOTIFYING AND MITIGATING A SUBOPTIMAL EVENT OCCURRING IN A TRANSPORT CLIMATE CONTROL SYSTEM
A method for notifying and mitigating a suboptimal event occurring in a transport climate control system that provides climate control to a climate controlled space of a transport unit is provided. The method includes monitoring an amount of power available for powering the transport climate control system, monitoring a power demand from the transport climate control system, and accessing operational data of the transport climate control system and the transport unit. The method also includes a controller determining whether a suboptimal event is detected based on one or more of the monitored amount of power available, the monitored power demand and the accessed operational data. Also, the method includes the controller generating a notification when a suboptimal event is detected, and the controller instructing the generated notification to be displayed on a display.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
The present disclosure relates to an electrical apparatus for a transport refrigeration system. The electrical apparatus includes: a voltage source configured to output a supply voltage; a load having an input electrically coupled to an output of the voltage source; and a controller. The controller is configured to: monitor the supply voltage output by the voltage source and a voltage received by the load at the input of the load; determine whether a trigger criterion has been met based on a comparison of the supply voltage and the voltage received by the load from the input of the load; and cause the electrical apparatus to enter an error handling mode in response to a determination that the trigger criterion has been met.
The present disclosure relates to a vapour-compression circuit for circulating a working fluid. The vapour-compression circuit comprises a compressor, a first heat exchanger, an expansion device, a second heat exchanger, a discharge line, a bypass line and a controller. The discharge line extends from an outlet of the compressor to an inlet of the first heat exchanger. The vapour-compression circuit is configured to operate in a heating mode in which the first heat exchanger operates as a condenser and the second heat exchanger operates as an evaporator. The vapour-compression circuit is also configured to operate in a defrost mode in which the working fluid is directed from the compressor to the second heat exchanger via the bypass line and the expansion device, the bypass line extending from the discharge line to bypass the first heat exchanger.
Systems and methods are provided for providing energy consumption feedback for powering a transport climate control system using external data. This can include determining whether an energy level of an energy storage source is greater than an expected energy consumption of a transport climate control system during a route, based on route parameters and route conditions. The route conditions may be obtained from a source such as a remote server, and include data such as weather data, traffic data, or the like. The systems and methods may further compare current energy levels to an updated predictions of energy consumption during transit to determine if the energy level is sufficient to complete the route and alert the user when the energy level is insufficient to complete the route.
Technologies are described herein to prioritize delivery of power to electrical components associated with a vehicle and an electrically powered accessory. A power distribution unit may assess real-time power needs for the electrical storage system associated with the vehicle and electrical storage device of the electrically powered accessory and direct incoming power to the electrical storage system associated with the vehicle and the electrical storage device of the electrically powered accessory based on a prioritization of various factors.
The present disclosure relates to an apparatus comprising a controller, a load, a battery, and a DC link. The DC link is coupled to the load, couplable to the battery, and couplable to an external power source. The load comprises an electrical component. The controller is configured to: evaluate a component startup criterion relating to whether the electrical component is performing a startup process, evaluate a source capability criterion relating to a capability of the external power source to supply power to the DC link, and in response to a determination, that the component startup criterion has been met and the source capability criterion has not been met, operate the apparatus in a protected startup mode in which the battery provides power to the DC link.
The present disclosure relates to a system for stabilising a DC link that supplies power to a load. The system comprises a power converter electrically coupled to the DC link. The power converter is configured to: supply power to or draw power from the DC link; monitor a voltage of the DC link; and control the power supplied to, or drawn from, the DC link based on the monitored voltage of the DC link and an operating voltage setpoint.
The present disclosure relates to an apparatus comprising a controller, an inverter, a load and a DC link. The DC link is coupled to the load and couplable to a power source. The load comprises an AC electrical component. The inverter is configured to provide an output voltage and an output current to the AC electrical component, the output voltage having an output frequency. The controller is configured to: evaluate a component startup criterion relating to whether the AC electrical component is performing a startup process; in response to a determination that the component startup criterion has been met, operate the inverter in a protected startup mode; and when operating the inverter in the protected startup mode, control the output frequency such that the output frequency increases with time until the output frequency reaches a predefined operating frequency.
B60L 50/51 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H02J 3/36 - Arrangements for transfer of electric power between ac networks via a high-tension dc link
There is disclosed a controller (100) for a refrigeration circuit (10), configured to monitor a set of prevailing conditions (50) relating to the refrigeration circuit including a space temperature of a temperature-controlled space associated with the refrigeration circuit. The controller (100) has a simulation module (102) configured to determine a limit setting (152) of a control variable for the refrigeration circuit by an iterative optimisation procedure based on a model (110) corresponding to the refrigeration circuit. The objective function for the optimisation relates to an operating efficiency. The controller further comprises a dynamic control module (160) configured to: adjust an operating setting of the control variable within an operating range to target a performance threshold for a monitored performance parameter, based on monitoring of the performance parameter during operation of the refrigeration circuit; and apply the limit setting received from the simulation module as a limit to the operating range.
There is disclosed a controller for a refrigeration circuit, configured to monitor a set of prevailing conditions relating to the refrigeration circuit including a space temperature of a temperature-controlled space associated with the refrigeration circuit. The controller has a simulation module configured to determine a limit setting of a control variable for the refrigeration circuit by an iterative optimisation procedure based on a model corresponding to the refrigeration circuit. The objective function for the optimisation relates to an operating efficiency. The controller further comprises a dynamic control module configured to: adjust an operating setting of the control variable within an operating range to target a performance threshold for a monitored performance parameter, based on monitoring of the performance parameter during operation of the refrigeration circuit; and apply the limit setting received from the simulation module as a limit to the operating range.
A climate control system includes a compressor which includes a compressor housing, a compressor element provided in the compressor housing, a lubricant circuit, and an auxiliary sump. The lubricant circuit includes a lubricant sump provided in the compressor housing. The auxiliary sump is in fluid communication with the lubricant sump. A method for maintaining lubrication supply for a compressor of a climate control system includes transferring lubricant from the auxiliary sump to the lubricant sump of the compressor when a height of the lubricant in the auxiliary sump is greater than a height in the lubricant sump and returning the lubricant from the lubricant sump to the auxiliary sump when a height of the lubricant in the lubricant sump is higher than a height of a predetermined minimum level in the lubricant sump. The lubricant in the auxiliary sump and lubricant sump are equalized by gravity.
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
An electrically powered portable self-contained climate controlled storage unit is provided and includes a base for supporting the storage unit and a climate controlled space affixed above the base. The storage unit further includes a climate control system for providing conditioned air to the climate controlled space and an airflow distribution system for distributing the conditioned air from the climate control system to the climate controlled space and returned. The interior space of the base includes an enclosure for housing one or more components of the airflow distribution system and/or the climate control system that is separated from a remainder of the interior space, in which the one or more components includes a component of the climate control system and a duct of the airflow distribution system. Additionally, the enclosure and the climate controlled space form a sealed system.
F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
F25D 17/08 - Arrangements for circulating cooling fluidsArrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection by forced circulation using ducts
18.
REFRIGERATION SYSTEM AND METHOD OF OPERATING A REFRIGERATION SYSTEM
A refrigeration system comprising a controller is provided. The controller is configured to: determine one or more parameters of the refrigeration system; determine whether a first mode selection condition has been met and/or whether a second mode selection condition has been met based on the determined one or more parameters; select a first mode upon the first mode selection condition having been determined to have been met and/or upon the second mode selection condition having been determined to have not been met; select a second mode upon the second mode selection condition having been determined to have been met and/or upon the first mode selection condition having been determined to have not been met; and operate the refrigeration system in the selected mode.
The present disclosure relates to an electrical apparatus comprising: an AC power module including a rectifier system; a DC bus configured to electrically couple the AC power module to a core power module including at least one DC electrical component; a pre-charge circuit; and a control system. The control system is configured to: responsive to a pre-charge initiation signal, perform a pre-charging procedure for pre-charging the DC bus, the pre-charging procedure including: activating the pre-charge circuit to provide a pre-charging current to the DC bus; monitoring a voltage on the DC bus; and responsive to a determination that the monitored voltage on the DC bus has reached a pre-charging threshold, perform a run procedure including: deactivating the pre-charge circuit; and electrically coupling the AC power module to an external AC power supply via an AC bus.
H02M 1/32 - Means for protecting converters other than by automatic disconnection
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
An electrical system and method of operating the same is provided. The electrical system includes a passive filter, an active power converter, a first AC connecting bus extending between the active power converter and the passive filter, a second AC connecting bus extending between the passive filter and an AC network, a DC connecting bus extending between the active power converter and a DC network, and a monitoring arrangement. The method includes operating in a first mode and subsequently operating in a second mode. The first mode includes determining a plurality of parameters of an operating AC voltage of the AC network based on a monitored AC voltage on the first AC connecting bus. The second mode includes controlling the active power converter to convert a DC voltage received from the DC network into an AC voltage for supply to the AC network via the passive filter.
H02M 7/04 - Conversion of AC power input into DC power output without possibility of reversal by static converters
H02M 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
21.
METHOD AND SYSTEM FOR MONITORING WEIGHT/ORIENTATION OF A SELF-CONTAINED CLIMATE CONTROLLED STORAGE UNIT AND ADJUSTING OPERATION BASED ON THE MONITORED WEIGHT/ORIENTATION
An electrically powered portable self-contained climate controlled storage unit that is self-weighing and/or measures its orientation. The storage unit includes a base including an enclosure and at least one foot for supporting the self-contained climate controlled storage unit, a climate controlled space affixed above the base, and a climate control system for providing climate control to the climate controlled space. The climate control system is provided in the enclosure. The storage unit further includes at least one sensor for measuring a weight and/or orientation associated with the self-contained climate controlled storage unit and a system controller connected to the self-contained climate controlled storage unit. The system controller is configured to determine an unsafe operating condition of the self-contained climate controlled storage unit based on the weight and/or orientation associated with the self-contained climate controlled storage unit measured by the sensor.
An electrically powered portable self-contained climate controlled storage unit is provided to connect to and automatically share power with an external power source. The storage unit includes a rechargeable battery system and a controller to determine whether to direct power flow to or from the rechargeable battery system. Methods and systems are provided for actively coordinating charging of multiple electrically powered portable self-contained climate controlled storage units that are connected to the external power source.
Method and system for providing an indication of a system operating status or logistical operation status of a self-contained climate controlled storage unit
An electrically powered portable self-contained climate controlled storage unit that includes a base including an enclosure, in which the base is configured to support the self-contained climate controlled storage unit, a climate controlled space affixed above the base, and a climate control system for providing climate control to the climate controlled space. The climate control system is provided in the enclosure. The storage unit further includes at least one status indication light provided around a perimeter of at least one surface of the self-contained climate controlled storage unit. The system controller is connected to the self-contained climate controlled storage unit, and is configured to operate the at least one status indication light based on at least one of a system operation status of the self-contained climate controlled storage unit or a logistical operation status of the self-contained climate controlled storage unit.
F25D 29/00 - Arrangement or mounting of control or safety devices
G08B 7/06 - Signalling systems according to more than one of groups Personal calling systems according to more than one of groups using electric transmission
Methods or systems for cleaning an electrically powered portable self-contained climate controlled storage unit is discussed. The methods or systems include a sensor monitoring a safety condition of the electrically powered portable self-contained climate controlled storage unit; a controller receiving a reading related to the safety condition from the sensor; the controller performing a safety check based on the reading received from the sensor; and the controller instructing the cleaning unit to clean the electrically powered portable self-contained climate controlled storage unit upon the controller determining the electrically powered portable self-contained climate controlled storage unit is safe to clean based on the safety check.
Technologies for safely lowering a DC link voltage potential include detecting shut down of a system that is powered by the DC link energy storage system and initiating an operating mode to dissipate energy as a form of loss without utilizing an additional resistor, that is, dissipating the DC link internally to the enclosed power module.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/32 - Means for protecting converters other than by automatic disconnection
B60H 1/00 - Heating, cooling or ventilating devices
The present disclosure relates to an apparatus for supplying electrical power to a transport refrigeration unit. The apparatus comprises: a power converter including a rectifier, a first inverter and a DC link; a power distribution unit electrically coupled to the DC link; and a second inverter with an input for electrically connecting to an electrical generator and an output for electrically connecting to the power distribution unit or the DC link. The DC link is electrically connected to an output of the rectifier and an input of the first inverter. An input of the rectifier is electrically connectable to a power source external to the apparatus. An output of the first inverter is electrically couplable to the transport refrigeration unit. The second inverter is configured to convert an alternating current voltage supplied at the input into a direct current voltage for supply at the output.
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
B60P 3/20 - Vehicles adapted to transport, to carry or to comprise special loads or objects for transporting refrigerated goods
The present disclosure relates to an apparatus configured to supply electrical power to a transport refrigeration unit, the apparatus comprising a power converter and a photovoltaic system including a photovoltaic cell. The power converter includes a rectifier, an inverter and a DC bus internal to the power converter. The DC bus is electrically connected to an output of the rectifier and an input of the inverter, an input of the rectifier is electrically couplable to a power source external to the apparatus at a connection port, and an output of the inverter is electrically couplable to the transport refrigeration unit.
A method for optimizing power distribution amongst one or more electrical supply equipment stations at a power distribution site is provided. The method includes obtaining infrastructure data about the power distribution site, obtaining vehicle/transport climate control system data from one or more transport climate control systems and one or more vehicles demanding power from the one or more electrical supply equipment, and obtaining external data from an external source that can impact power demand from the one or more transport climate control systems. Each of the one or more transport climate control systems configured to provide climate control within a climate controlled space. The method also includes generating an optimized power distribution schedule based on the infrastructure data, the vehicle/transport climate control system data and the external data, and distributing power to the one or more transport climate control systems based on the optimized power distribution schedule.
The present disclosure provides a transport refrigeration system for a refrigerated transport unit having an interior space comprising two or more zones. The system includes: a refrigeration circuit configured for temperature control of the zones and a controller. For each of the zones: the refrigeration circuit comprises a respective evaporator and a variable speed air mover driven by a motor. The controller is configured to: determine a target flow rate for the return air in the respective zone; and operate the motor to maintain the target flow rate of return air in the respective zone. The target flow rate is variable, and the controller is configured to determine the target flow rate based on one or more variable parameters monitored or determined by the controller.
Methods and systems for operating a transport climate control system providing climate control within a climate controlled space of a transport unit, the method including setting a mean kinetic temperature setpoint to control a compressor and/or fans in the transport climate control system and determining a mean kinetic temperature in the climate controlled space. The method further includes regulating the mean kinetic temperature in the climate controlled space while optimizing the energy spent by adjusting the cooling and/or heating capacity of the system.
A method of remotely managing a transport climate control system (TCCS) includes a remote management device receiving performance data from the TCCS. The performance data based on one or more detected operating parameters of the climate control circuit. The method also including the remote management device providing the performance data to one or more user devices. A remote management system includes a remote management device configured to receive performance data for a climate control circuit from a climate controller of a TCCS and to provide the performance data to one or more user devices. A TCCS includes a controller configured to: generate performance data based on the one or more detected operating parameters of a climate control circuit, and transmit the performance data to a remote monitoring device. The climate controller also configured to receive an operating instruction from the remote monitoring device.
B60H 1/00 - Heating, cooling or ventilating devices
F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
G05B 19/4155 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
32.
Time-based pulldown and pullup using trajectory tracking and box parameter learning
Control systems for time-based pulldown and/or pull-up operation of transport climate control systems include a controller receiving a time for pulldown or pull-up, with the controller modeling the conditioned space and determining a trajectory for efficiently completing the pulldown or pull-up according to the received time. The controller further operates the transport climate control system according to the determined trajectory. The controller can receive information from the conditioned space and adjust operations in order to bring the pulldown or pull-up closer to the determined trajectory. The model can be a dynamic model of the specific conditioned space in which the pulldown or pull-up is being performed. The controller can further determine when a pulldown or pull-up will be completed and provide notifications based on whether the pulldown or pull-up can be completed by a particular time. The model can be updated based on system dynamics observed during pulldown or pull-up.
This disclosure relates generally to a prime mover system. More specifically, this disclosure relates to a prime mover exhaust system that can prevent the accumulation of debris (e.g., soot or unburned fuel) in the prime mover system. In accordance with at least one embodiment described and recited herein, a self-cleaning prime mover exhaust system is provided. The prime mover exhaust system includes an exhaust tip, an exhaust pipe, and a cleaning tube. The exhaust tip is configured to eject exhaust out of the prime mover exhaust system, the exhaust pipe is configured to direct the exhaust away from a prime mover, and the cleaning tube is configured to accumulate debris exiting from the exhaust pipe and configured to vacuum the debris out of the self-cleaning prime mover exhaust system through the exhaust tip using the Venturi effect.
F01N 3/02 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
F01N 13/08 - Other arrangements or adaptations of exhaust conduits
F01N 3/00 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
34.
METHOD AND SYSTEM FOR CONTROLLING AIRFLOW VOLUME AND FLOW DIRECTION FROM A REMOTE HEAT EXCHANGER UNIT OF A TRANSPORT CLIMATE CONTROL SYSTEM
Airflow volume and/or direction from configurable remote heat exchanger unit of a transport climate control system providing climate control within a climate controlled space of a transport unit may be variably controlled based on sensor data.
Methods and systems for controlling noise generated by a transport climate control system (TCCS) that provides climate control within a climate controlled space of a transport unit are disclosed. The methods and systems include a controller obtaining a noise tolerance, wherein the noise tolerance is a threshold noise level that includes at least a noise level generated by the TCCS; the controller monitoring the noise level generated by the TCCS; the controller comparing the noise tolerance with the noise level generated by the TCCS; upon the controller determining that the noise level generated by the TCCS is greater than the noise tolerance, the controller determining a target operating condition of the TCCS for matching the noise level generated by the TCCS with the noise tolerance; and the controller adjusting the TCCS to the target operating condition to adjust the noise level generated by the TCCS.
There is disclosed a heat exchange system for providing cooling by circulating a coolant, the heat exchange system comprising: a supply circuit for circulating the coolant comprising: a coolant supply heat exchanger for rejecting heat from the coolant to provide a supply of chilled coolant and a supply pump for circulating the coolant in the coolant supply circuit; a load circuit for circulating the coolant, comprising: a cooling load heat exchanger configured to transfer heat to the coolant and a load pump for circulating the coolant in the load circuit; a mixing device which is configured to form part of each of the supply circuit and the load circuit; and a valve arrangement configured to control a mix of (i) coolant from the supply circuit and (ii) recirculated coolant from the load circuit, in a coolant flow provided to the cooling load heat exchanger.
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
37.
REMOTE HEAT EXCHANGER UNIT WITH CONFIGURABLE AIR DISCHARGE OF A TRANSPORT CLIMATE CONTROL SYSTEM
A configurable remote heat exchanger unit of a transport climate control system providing climate control within a climate controlled space of a transport unit is provided. The configurable remote heat exchanger unit includes an air intake, at least one heat exchanger coil over which air received through the air intake is directed to the air outlet, an air outlet, and a separable air duct system configured to variably direct conditioned air received from the air outlet out from the configurable remote heat exchanger unit.
F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
F25D 17/08 - Arrangements for circulating cooling fluidsArrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection by forced circulation using ducts
38.
Prioritized power delivery for facilitating transport climate control
Technologies are described herein to prioritize delivery of power to electrical components associated with a vehicle and an electrically powered accessory. A power distribution unit may assess real-time power needs for the electrical storage system associated with the vehicle and electrical storage device of the electrically powered accessory and direct incoming power to the electrical storage system associated with the vehicle and the electrical storage device of the electrically powered accessory based on a prioritization of various factors.
A transport power system is provided. The transport power system includes a prime mover separate from another prime mover used for operating a vehicle, an absolute pressure sensor configured to sense an absolute pressure, and a controller. The controller is configured to determine an altitude of the transport power system based on a first absolute pressure sensed during a start-up sequence of the transport power system prior to running of the prime mover, adjust a power output upper limit for the prime mover based on the determined altitude, and control an operation of the prime mover of the transport power system not to exceed the adjusted power output upper limit.
F02D 35/00 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for
F01N 3/02 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
F01N 3/023 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
F01N 9/00 - Electrical control of exhaust gas treating apparatus
40.
Systems and methods for transport climate control circuit management and isolation
A method of controlling a transport climate control system includes detecting for leaking of working fluid from a climate control circuit. The method also includes isolating a high-pressure side of the climate control circuit when leaking of the working fluid is detected. A method of controlling a transport climate control circuit includes detecting for overcharge and/or an undercharge of the climate control circuit. A transport climate control system includes a climate control circuit and a climate controller that is configured to detect for working fluid leaking from the climate control circuit. The climate controller configured to isolate a high-pressure side of the climate control circuit when leaking of the working fluid is detected.
A climate control system includes a compressor which includes a compressor housing, a compressor element provided in the compressor housing, a lubricant circuit, and an auxiliary sump. The lubricant circuit includes a lubricant sump provided in the compressor housing. The auxiliary sump is in fluid communication with the lubricant sump. A method for maintaining lubrication supply for a compressor of a climate control system includes transferring lubricant from the auxiliary sump to the lubricant sump of the compressor when a height of the lubricant in the auxiliary sump is greater than a height in the lubricant sump and returning the lubricant from the lubricant sump to the auxiliary sump when a height of the lubricant in the lubricant sump is higher than a height of a predetermined minimum level in the lubricant sump. The lubricant in the auxiliary sump and lubricant sump are equalized by gravity.
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
A method of minimizing C-Rate fluctuations with an electrically powered accessory (EPA) is disclosed. The EPA is configured to be used with at least one of a vehicle, a trailer, and a transport container that has a first controller. The EPA has a second controller. The method includes determining, by the first controller, a first C-Rate of a Rechargeable Energy Storage System (RESS). Also, the method includes comparing the first C-Rate to a first predetermined threshold. The method also includes when the first C-Rate exceeds the first predetermined threshold, the first controller sending a first request to the second controller to adjust a load of the EPA. The method further includes the second controller determining a first operational mode of the EPA based on the first request. Also the method includes when the first operational mode of the EPA allows a load change, the second controller adjusting the load of the EPA.
Systems and methods for simultaneous vapor and liquid injection for a transport climate control system are provided. The system includes a compressor, a condenser having a condensing unit and a sub-cooling unit, a receiver, an economizer having a vapor outlet and a liquid outlet, a controller, and a flow control device. The receiver is disposed downstream of the condensing unit and upstream of the sub-cooling unit. The economizer is disposed downstream of the sub-cooling unit. The compressor includes a suction port, a vapor injection port connected to the vapor outlet of the economizer, and a liquid injection port separated from the vapor injection port. The controller is configured to control the flow control device to adjust an amount of liquid refrigerant into the liquid injection port to maintain a discharge temperature of the compressor at or below a threshold.
Systems and methods for using a diesel particulate filter (DPF) heater as a load bank to maintain a minimum exhaust temperature for a diesel oxidation catalyst (DOC) paired with a prime mover are provided. The system includes a prime mover coupled with a generator, a compressor powered by the prime mover, a DOC disposed downstream from the prime mover, and a controller. The prime mover is separate from another prime mover used for operating a vehicle. The controller is configured to determine a load of the generator, to determine a load of the compressor, to determine a load of the prime mover based on the determined load of the generator and the determined load the compressor, and to control the load of the prime mover to maintain a minimum exhaust temperature for the DOC.
F01N 9/00 - Electrical control of exhaust gas treating apparatus
F01N 3/035 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors
F01N 11/00 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus
F01N 3/027 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating
F02D 41/02 - Circuit arrangements for generating control signals
45.
Methods and systems for secure communication and authorization of vehicle mode change
Electrically powered accessories connected to vehicle power systems are authenticated, and connections between the accessories and the vehicle power systems are based on permissions resulting from that authentication. accessories may supply authentication information associated with an authentication level, and form a permitted connection based on the authentication level. Vehicle power systems may obtain the authentication information, obtain the authentication level, and operate a power connection according to the authentication level. Authentication information can be obtained from the component or from a user of the component through, for example, a portable device. A system may include the electrically powered component and the vehicle power system. The system may further include a remote server to process the authentication information and determine the authentication level.
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
B60D 1/62 - Auxiliary devices involving supply lines, electric circuits, or the like
H04W 4/40 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
A refrigeration system or heat pump is provided that includes: a compressor, a condenser, a liquid line, an expansion device, an evaporator, and a suction line to the compressor. A power converter or module supplies electrical power. A first thermal coupling is formed between a first portion of a heat pipe and the power converter module. A second thermal coupling is formed between a second portion of the heat pipe and a component of the refrigeration system or heat pump. The heat pipe receives heat from the power converter or module at the first portion, transfer the heat from the first portion to the second portion and transfer the heat from the second portion to the component of the refrigeration system or heat pump so as to cool the power converter or module.
A method for monitoring a potential hazard at an unoccupied transport unit and issuing a notification in response to detecting the potential hazard is provided. The method includes monitoring for the potential hazard at the unoccupied transport unit. The method also includes determining whether there is someone is in close proximity to the unoccupied transport unit upon determining the potential hazard. Also, the method includes providing a local notification of the potential hazard when it is determined that there is someone is in close proximity to the unoccupied transport unit and not providing the local notification of the potential hazard when it is determined that there is no one in close proximity to the unoccupied transport unit.
G08B 21/00 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
G08B 5/22 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmissionVisible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission
G08B 21/22 - Status alarms responsive to presence or absence of persons
Technologies for enhancing performance of a clutch that is installed in connection with a transport climate control system is provided. Enhancing performance of the clutch can be performed by establishing engagement cycling parameters for the clutch, cycling the clutch through a repetition of engagement and disengagement in accordance with the established engagement cycling parameters, and terminating the cycling upon achievement of at least one predetermined criterion.
Technologies described herein pertain to delivering power to primary and accessory electrical components associated with a vehicle that is at least partially electrically powered, as well as to a power source of the vehicle itself. To operate one or more of accessory electrical components and deliver power to a vehicle battery, via a power distribution unit, the embodiments facilitate understanding of dynamic power available to the accessory electrical components as well as the vehicle battery, and distributing of the power in a prioritized manner to optimize the system for a most efficient power delivery process, with regards to power needs and power availability. Managing power supplied to a climate control unit that is used in a transport climate control system providing climate control to at least one of an internal space of a vehicle, may be performed by a controller that is electrically connected to at least the climate control unit.
B60P 3/20 - Vehicles adapted to transport, to carry or to comprise special loads or objects for transporting refrigerated goods
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
37 - Construction and mining; installation and repair services
Goods & Services
(1) Refrigerator units and refrigerating apparatuses; Self-contained temperature control refrigeration units adapted for use in connection with cargo transportation vehicles; temperature control units adapted to control the temperature of air in cargo transportation containers, trailers, and rail carriages (1) Maintenance, repair, and installation of refrigerator units and refrigerating apparatuses; Maintenance, repair, and installation of self-contained temperature control refrigeration units adapted for use in connection with cargo transportation vehicles; Maintenance, repair, and installation of temperature control units adapted to control the temperature of air in cargo transportation containers, trailers, and rail carriages
51.
METHODS AND SYSTEMS FOR SANITIZING AIR CONDITIONED BY A CLIMATE CONTROL SYSTEM
An air sanitizer unit that includes a housing, a substrate, and a light source. The substrate is provided in an interior space of the housing and includes at least one photocatalytic coating on at least one surface that extends along a flow path of airflow through the air sanitizer unit. The light source is disposed within the interior space of the housing in a way such that light produced by the light source activates the at least one photocatalytic coating to purify the airflow. Further, the substrate includes channels for allowing airflow there through, in which a substrate structure defining the channels include the photocatalytic coating and the substrate structure defining the channels is configured such that microbes in the airflow are captured on the least one photocatalytic coating at low airflow rates, in which the low airflow rates are airflow rates less than 20 air changes per hour.
Technologies described herein are directed to isolating or insulating at least portions of an evaporator coil within a climate control unit (CCU) of a TCCS so as to reduce or even eliminate adverse effects caused by a leaked working fluid. Such adverse effects may include a threat of ignition, asphyxiation of occupants, damage to cargo, and other harmful effects caused by emission of a noxious gas. A leak isolation structure is provided to isolate evaporator tubes of an evaporator coil from at least one of a plurality of turns of the evaporator coil.
A method of providing a virtual door sensor for a transport unit is disclosed. The method includes monitoring operation of a transport climate control system for a climate controlled space to obtain transport climate control system operating data; transforming the transport climate control system operating data into door event model inputs; predicting a door event based on the obtained door event model inputs; and transmitting a notification according to the predicted door event.
There is disclosed heat pump, comprising: an internal heat exchanger configured to transfer heat from refrigerant in a liquid line pathway to refrigerant in a suction line pathway, to superheat the refrigerant upstream of a compressor; and a controller configured to: control an expansion valve to maintain a target superheat of refrigerant at a control location. The target superheat is variable and is determined based on one or more operating conditions of the heat pump. There is also disclosed a method of operating a heat pump and a simulation method to determine a variable superheat.
(1) Self-contained temperature and climate control units and control panels, and parts thereof, all adapted for connection to cargo spaces on land vehicles, railway cars, and shipping containers; air, climate, and temperature control systems for commercial vehicles
56.
Energy dissipation for an electrical power supply for a transport climate-control system
Technologies for safely lowering a DC link voltage potential include detecting shut down of a system that is powered by the DC link energy storage system and initiating an operating mode to dissipate energy as a form of loss without utilizing an additional resistor, that is, dissipating the DC link internally to the enclosed power module.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/32 - Means for protecting converters other than by automatic disconnection
B60H 1/00 - Heating, cooling or ventilating devices
57.
Methods and systems for monitoring fuel quality and service issues for a power system used in transport
A method for monitoring fuel quality of a power system used in transport is provided. The method includes a controller of the power system determining that the prime mover is actively running. The method also includes the controller monitoring an output of a water-in-fuel (WIF) sensor configured to measure an amount of water accumulated in a water collection reservoir of a fuel/water separator that separates water from fuel passing there through. Also, the method includes the controller determining an amount of fuel passing through the fuel/water separator. Further, the method includes the controller calculating a fuel quality score of the fuel based on the output of the WIF sensor and the amount of fuel having passed through the fuel/water separator. The method further includes the controller triggering different alerts based on the calculated fuel quality score.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
There is disclosed an environmental control system for thermally conditioning air within an enclosed space, the system comprising: a refrigerant circuit having a compressor, an indoor heat exchanger, an expansion device, and an outdoor heat exchanger. The system comprises an exhaust flowpath having a first inlet for receiving an exhaust flow of thermally conditioned air from the enclosed space and an outlet for discharging the exhaust flow to an external environment. A heat transfer section of the outdoor heat exchanger is located in the exhaust flowpath, wherein the exhaust flowpath is for directing the exhaust flow of thermally conditioned air through the heat transfer section of the outdoor heat exchanger.
An environmental control system for thermally conditioning air within an enclosed space comprising: a refrigerant circuit having a compressor, an indoor heat exchanger, an expansion device, and an outdoor heat exchanger. The system further comprises an intake flowpath for directing an intake flow of fresh air to the enclosed space, wherein a heat-transfer section of the indoor heat exchanger is located within the intake flowpath to thermally condition the intake flow of fresh air before entering the enclosed space. The system further comprises an exhaust flowpath for directing an exhaust flow of thermally conditioned air to an external environment. A recovery heat exchanger is configured to transfer thermal energy between the exhaust flow and the intake flow at a location within the intake flowpath that is upstream of the heat-transfer section of the indoor heat exchanger.
A transport climate control system is disclosed. The system includes a compressor, a motor-generator-rectifier machine, a belt drive connected to the motor-generator-rectifier machine and the compressor, at least one condenser fan, at least one evaporator fan, and a DC to DC converter. The motor-generator-rectifier machine connects to the at least one condenser fan, the at least one evaporator fan, and the DC to DC converter. The motor-generator-rectifier machine includes a motor, a low voltage generator connected to the motor, and a rectifier connected to the low voltage generator. The motor-generator-rectifier machine can provide a first low voltage DC power to the at least one condenser fan, the at least one evaporator fan, and the DC to DC converter. The DC to DC converter can convert the first low voltage DC power to a second low voltage DC power that is different from the first low voltage DC power.
A method of controlling an air-cargo transport refrigeration unit to regulate a compressor speed and a condenser fan speed is provided. Also, a method of controlling an air-cargo transport refrigeration unit based on determining an in-flight condition of the refrigeration unit is provided.
B64D 13/08 - Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned the air being heated or cooled
A transport climate control system for providing climate control to a climate controlled space of a transport unit. The transport climate control circuit includes a compressor, an evaporator and at least two fans. The transport climate control circuit also includes a controller for controlling the transport climate control circuit and for defrosting the evaporator coil. When a defrost event is triggered, the controller instructs the transport climate control circuit to supply heat to or around one section of the evaporator coil, and independently controls each of the at least two fans to move the air around the evaporator coil in a controlled direction so that heat from the one section of the evaporator coil is used to convectively heat the inlet of the evaporator coil.
A transport climate control system is described which comprises a controller configured to determine a power demand of a climate control circuit of the system and to provide power to the climate control circuit in a first power mode when the power demand is above a power threshold and to provide power to the climate control circuit in a second power mode when the power demand is at or below the power threshold. In the first power mode, power is provided from a prime mover and, in the second power mode, power is provided from an energy storage source and not the prime mover. Corresponding methods for controlling a transport climate control system are also described.
An evaporator apparatus for a refrigeration cycle of an HVAC system or a refrigeration system is disclosed that includes: a primary evaporator pathway for a working fluid of the refrigeration cycle extending through a primary expansion device and a primary evaporator; a secondary evaporator pathway for the working fluid in parallel with the primary evaporator pathway and extending through a secondary expansion device and a secondary evaporator; a coolant circuit for cooling a device, the secondary evaporator configured for heat exchange between the working fluid and process fluid of the coolant circuit; and a controller configured to control: the primary expansion device to maintain a target superheat of working fluid at a primary control location downstream of the primary evaporator; and the secondary expansion device based on monitoring a temperature of process fluid to maintain a target temperature of process fluid at a coolant control location in the coolant circuit.
An interface system for connecting a vehicle and a transport climate control system (TCCS) is disclosed. The interface system includes a two-way communication interface that connects a vehicle electrical system (VES) controller and a TCCS controller. The interface system also includes a power interface that connects a vehicle energy source of the VES to the TCCS and a TCCS energy source of the TCCS to the VES. The two-way communication interface is configured to distribute a TCCS status from the TCCS controller to the VES controller, and is configured to distribute a VES status from the VES controller to the TCCS controller. The power interface is configured to distribute power from the vehicle energy source to the TCCS when a VES instruction is received, and distribute power from the TCCS energy source to the VES when a TCCS instruction is received.
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
A fuel delivery system for controlling an inlet pressure of a prime mover in a transport climate control system is provided. The fuel delivery system includes a fuel tank, a pressure regulator, a pump disposed downstream of the fuel tank, a first filter disposed downstream of the pump, and the prime mover disposed downstream of the first filter. The prime mover is located above the fuel tank in a vertical direction. The pump is configured to provide a first fuel flow through the first filter. The prime mover is configured to accept a first portion of the first fuel flow and is configured to provide a return fuel flow. The pressure regulator is disposed downstream of the first filter. The pressure regulator is configured to accept a second portion of the first fuel flow, and to accept a pressure of the return fuel flow as a reference pressure.
F02D 41/38 - Controlling fuel injection of the high pressure type
F02M 37/32 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
B60H 1/00 - Heating, cooling or ventilating devices
F02M 37/54 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by air purging means
According to a first aspect there is disclosed an assembly comprising a power device and a cooling plate which overlies the power device for heat transfer therebetween. The power device comprises a plurality of power switching components including at least a first power switching component and a second power switching component; wherein each of the power switching components is configured to dissipate heat to the cooling plate. The cooling plate comprises a plurality of cooling zones overlying and aligned with the respective power switching components for heat transfer, including first and second cooling zones corresponding to the first and second power switching components; and a flow channel for a cooling flow, extending between an inlet and an outlet through each of the cooling zones; wherein a geometric parameter of the flow channel that at least partly determines heat transfer in a respective cooling zone differs between the first and second cooling zones for improved heat transfer in the first cooling zone relative to the second cooling zone. According to a second aspect, there is disclosed a method for cooling the plurality of power switching components in an assembly in accordance with the first aspect.
A condenser fan includes a lock hub and multiple blades that are fastened to the hub. Each of the blades includes six planes, each of which having variable parameters including pitch angle, sickle, chord length, and blade curve. For each embodiment of the evaporator fan, the blades are identically configured.
A centrifugal blower includes a blower base, multiple blades fastened to the blower base, a hub integrated to a central portion of the blower base, and a top shroud to provide surrounding coverage to the multiple blades. The centrifugal blower is housed within an evaporator. The centrifugal blower may operate at operating speeds that are lower than those of typical or currently known implementations while generating an airflow that meets or even exceeds those of the typical or currently known implementations.
The present disclosure relates to a power converter for use in a host vehicle. The power converter comprises a DC link, a DC link capacitor, and a pre-charge circuit configured to charge the DC link capacitor. The pre-charge circuit comprises a boost converter comprising a switch and inductor coupling terminals configured to couple to an inductive component external to the power converter.
H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
75.
Prime mover load control on multi-speed generator set
A generator set for a transport climate control unit is provided that is operable at a first frequency and a second frequency. The generator set includes a generator, a prime mover configured to operate at a first non-zero speed and a second non-zero speed that is less than the first non-zero speed, and a genset controller configured to control operation of the generator set. When operating at the first non-zero speed, the genset controller is configured to monitor a prime mover load parameter to determine whether the prime mover is approaching or has exceeded an overload or stall situation. The genset controller is configured to reduce the speed of the prime mover from the first non-zero speed to the second non-zero speed to prevent the overload or stall situation.
F02D 31/00 - Use of non-electrical speed-sensing governors to control combustion engines, not otherwise provided for
B60H 1/00 - Heating, cooling or ventilating devices
F02D 29/06 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
There is disclosed an electrical connection unit for a refrigeration system comprising: a container defining an interior for containing electrical circuitry, the container having an external port configured to couple with an external connector; a closure moveable relative to the container between a closed configuration in which access to the interior is prevented, and an open configuration in which access to the interior is permitted. The closure has a locking portion defining a connector opening for receiving the connector, configured so that movement of the closure to the open configuration is prevented by interlocking engagement of the connector and the closure. There is also disclosed an associated method of coupling or decoupling a connector and an electrical connection unit.
A method for predicting an impending climate control failure for a transport temperature control system (TCCS) is provided. The method includes a backend obtaining one or more operational parameters and/or one or more control parameters of transport temperature control systems including the TCCS. The method also includes obtaining warrantee data and/or service records for the transport temperature control systems. The method further includes training a machine learning model with the warrantee data and/or service records for the transport temperature control systems, and at least one of the operational parameters of the transport temperature control systems or the control parameters of the transport temperature control systems. Also the method includes deploying the trained machine learning model. The method further includes predicting the impending climate control failure for the TCCS based on the trained machine learning model, operational parameters of the TCCS, and/or control parameters of the TCCS.
A method of remotely managing a transport climate control system (TCCS) includes a remote management device receiving performance data from the TCCS. The performance data based on one or more detected operating parameters of the climate control circuit. The method also including the remote management device providing the performance data to one or more user devices. A remote management system includes a remote management device configured to receive performance data for a climate control circuit from a climate controller of a TCCS and to provide the performance data to one or more user devices. A TCCS includes a controller configured to: generate performance data based on the one or more detected operating parameters of a climate control circuit, and transmit the performance data to a remote monitoring device. The climate controller also configured to receive an operating instruction from the remote monitoring device.
B60H 1/00 - Heating, cooling or ventilating devices
G05B 19/4155 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
A mobile environmental sensor system includes a first mobile environmental sensor, a controller, and a network transmitter disposed on a transport unit. The controller is in electronic communication with the first mobile environmental sensor and the network transmitter. The controller includes a processor and a memory. The processor is configured to trigger a measurement from the first mobile environmental sensor. A sensed value is received from the first mobile environmental sensor. The processor compares the sensed value as received from the first mobile environmental sensor to a reference sensed value received by the controller via the network transmitter. The processor calibrates the first mobile environmental sensor based on the comparison of the sensed value as received and the reference sensed value as received. The calibration includes a normalization between the sensed value as received and the reference sensed value as received. The normalization includes a time dependent component.
A transport climate control system is disclosed. The transport climate control system includes a self-configuring matrix power converter having a charging mode, an inverter circuit, a controller, a first DC energy storage and a second DC energy storage, and a compressor. The first DC energy storage and the second DC energy storage have different voltage levels. During the charging mode, the inverter circuit is configured to convert a first AC voltage from an energy source to a first DC voltage, the controller is configured to control the self-configuring matrix power converter to convert the first DC voltage to a first output DC voltage to charge the first DC energy storage, and/or to a second output DC voltage to charge the second DC energy storage.
F25B 27/00 - Machines, plants or systems, using particular sources of energy
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
Systems for providing heating, ventilation, and air conditioning (HVAC) in transit vehicles include one or more sanitizers. Sanitizers can include a pre-filter installed upstream of a filter, a filter including or coated with an anti-pathogen material, or a treatment dispenser providing a treatment including an anti-pathogen material to reduce pathogen risk and/or improve air quality within the transit vehicle. Methods for operating a transit HVAC system can include reducing pathogens. Pathogens can be reduced by one or more of filtering air passing through the transit HVAC system using a pre-filter, filtering the air passing through the transit HVAC system using a filter that is coated with or includes an anti-pathogen material, or providing a treatment including the anti-pathogen material to the air passing through the transit HVAC system. Systems can further be configured to provide air first to a driver section of the transit vehicle.
A method for controlling a power system that powers a load is provided. The power system includes a prime mover, an electrical machine coupled to the prime mover, a battery source, an inverter coupled to the battery source, and a power system controller configured to control operation of the power system. The method includes monitoring a power demand on the power system from the load. The method also includes comparing the monitored power demand with a load threshold value. Also, the method includes determining that the monitored power demand is less than the load threshold value. Further, the method includes upon determining that the monitored power demand is less than the load threshold value: inactivating the prime mover, and instructing the battery source with the inverter to supply power to the load.
A direct drive parallel power system for powering a transport climate control system is provided. The direct drive parallel power system comprises a powertrain, a battery source and a power system controller. The powertrain includes a prime mover, a motor-generator, and a drive shaft. The prime mover is configured to generate mechanical power for powering a direct driven load of the transport climate control system via the drive shaft. A motor of the motor-generator is configured to generate mechanical power for powering the direct driven load via the drive shaft. The battery source is electrically connected to a generator of the motor-generator and is configured to supply electrical power to the motor of the motor-generator and configured to supply electrical power to an electrically driven load of the transport climate control system. The power system controller monitors and controls operation of the prime mover, the motor-generator, and the battery source.
B60L 50/11 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines using DC generators and DC motors
B60H 1/00 - Heating, cooling or ventilating devices
B60W 20/00 - Control systems specially adapted for hybrid vehicles
B60W 10/26 - Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
B60L 50/52 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
85.
System and method of energy efficient operation of a transport climate control system
A climate control circuit for a transport climate control system is provided. The circuit includes a compressor, a plurality of evaporators, a suction flow control device, and a controller. The suction flow control device is downstream of the plurality of evaporators and directs the working fluid from each of the evaporators to one of a main suction port and an auxiliary port of the compressor. The controller determines whether each of the evaporators is operating in a fresh temperature range or in a frozen temperature range. For each of the evaporators operating in the fresh temperature range, the controller instructs the suction flow control device to direct the working fluid from the corresponding evaporator to the auxiliary suction port. For each of the plurality of evaporators operating in the frozen temperature range, the controller instructs the suction flow control device to direct the working fluid to the main suction port.
There is disclosed an environmental control system for heating at least one enclosed space. The system comprises a heat-pump circuit that includes a compressor, a heat-output stage, an expansion device and an evaporator arranged in series along a flow path for a refrigerant. The heat-output stage comprises a primary heat exchanger and a secondary heat exchanger that are both configured to transfer heat from the refrigerant to one or more external mediums in thermal communication with the at least one enclosed space. The primary heat exchanger and the secondary heat exchanger are connected in series along the flow path, such that the secondary heat exchanger will transfer excess heat energy remaining within the refrigerant after passing through the primary heat exchanger to the one or more external mediums.
Methods and systems for controlling a multipurpose power converter for converting power for a transport climate control system are provided. The multipurpose power converter includes a rectifier having a first leg, a second leg, and a third leg. The multipurpose power converter also includes a first switch, a second switch, and an inductor-capacitor network. The first switch and the second switch are connected to the third leg. The inductor-capacitor network is connected to the first switch. When the first switch is on and the second switch is off, the multipurpose power converter is configured as a single-phase AC power converter. When the first switch is off and the second switch is on, the multipurpose power converter is configured as a three-phase AC power converter.
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
H02M 7/217 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
A power distribution unit (PDU) for use with an electrically powered accessory is disclosed. The PDU includes at least one power input configured to receive electrical power from an electrical supply equipment and/or a second power source. The PDU also includes an accessory power interface configured to provide power to the electrically powered accessory. The PDU further includes a vehicle power interface configured to provide power to a vehicle electrical system of the vehicle. Also the PDU includes at least one switch configured to selectively connect the at least one power input to a power bus, and selectively connect the power bus to at least one of the accessory power interface and the vehicle power interface. The PDU also includes a controller configured to control the at least one switch to provide power to the electrically powered accessory and/or the vehicle electrical storage device of the vehicle electrical system.
B60L 1/02 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles to electric heating circuits
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
B60H 1/00 - Heating, cooling or ventilating devices
A transport climate control system to cost-effectively maintain an ultra-low temperature over an extended period of time is provided. The transport climate control system includes a primary climate control system and a secondary climate control system. The primary climate control system includes a first compressor, a first condenser, a first expander, and a main evaporator that is configured to thermally communicate with a climate controlled space. The secondary climate control system includes an ultra-low temperature phase changing medium packaged inside or outside of an enclosure for a cargo. The secondary climate control system is configured to thermally communicate with the climate controlled space, the primary climate control system, and the cargo to provide additional or backup climate control capacity at the ultra-low temperature.
Systems and methods are provided for providing predictive energy consumption feedback for powering a transport climate control system. This can include determining whether an energy level of an energy storage source is greater than an expected energy consumption of a transport climate control system during a route, based on route parameters. The route parameters may be obtained via a human-machine interface. When the energy storage source is less than the expected energy consumption, a user is alerted. The systems and methods may further compare the energy level to an expected energy level during transit to determine if the energy level is greater or less than expected and alert the user when the energy level is less than expected.
A method for notifying and mitigating a suboptimal event occurring in a transport climate control system that provides climate control to a climate controlled space of a transport unit is provided. The method includes monitoring an amount of power available for powering the transport climate control system, monitoring a power demand from the transport climate control system, and accessing operational data of the transport climate control system and the transport unit. The method also includes a controller determining whether a suboptimal event is detected based on one or more of the monitored amount of power available, the monitored power demand and the accessed operational data. Also, the method includes the controller generating a notification when a suboptimal event is detected, and the controller instructing the generated notification to be displayed on a display.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
92.
Methods and systems for providing feedback for a transport climate control system
Methods and systems for providing feedback for a transport climate control system are disclosed. The transport climate control system provides climate control to a climate controlled space of a transport unit. The method includes determining, by a controller, a first energy level state capable of providing power to the transport climate control system. The method also includes obtaining, by the controller, status data when a predetermined triggering event occurs. The method further includes determining, by the controller, a second energy level state capable of providing power to the transport climate control system after a predetermined time interval. Also the method includes determining energy consumption data based on the first energy level state and the second energy level state. The method further includes combining the status data and the energy consumption data to obtain feedback data. The method also includes displaying, via a display device, the feedback data.
B60H 1/00 - Heating, cooling or ventilating devices
B60P 3/20 - Vehicles adapted to transport, to carry or to comprise special loads or objects for transporting refrigerated goods
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
G01R 31/382 - Arrangements for monitoring battery or accumulator variables, e.g. SoC
G06Q 30/0207 - Discounts or incentives, e.g. coupons or rebates
G06Q 50/28 - Logistics, e.g. warehousing, loading, distribution or shipping
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
G07C 5/10 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time using counting means or digital clocks
93.
Methods and systems for providing predictive energy consumption feedback for powering a transport climate control system using external data
Systems and methods are provided for providing energy consumption feedback for powering a transport climate control system using external data. This can include determining whether an energy level of an energy storage source is greater than an expected energy consumption of a transport climate control system during a route, based on route parameters and route conditions. The route conditions may be obtained from a source such as a remote server, and include data such as weather data, traffic data, or the like. The systems and methods may further compare current energy levels to an updated predictions of energy consumption during transit to determine if the energy level is sufficient to complete the route and alert the user when the energy level is insufficient to complete the route.
A closed loop feedback control and diagnostics system for a transport climate control system is provided. The closed loop feedback control and diagnostics system includes a plurality of source current sensors configured to monitor current received from a high voltage three-phase AC power source. The closed loop feedback control and diagnostics system also includes a plurality of compressor current sensors configured to monitor current drawn by an electrically powered compressor of the transport climate control system. The closed loop feedback control and diagnostics system also includes a controller configured to receive source current signals from each of the plurality of source current sensors, configured to receive compressor current signals from each of the plurality of compressor current sensors, and configured to control operation of the transport climate control system based on the received source current signals and the received compressor current signals.
A climate control system for use in a transport vehicle is disclosed. The climate control system includes a variable speed electric load, a controller configured to determine a load of the variable speed electric load, and a battery pack voltage configurator circuit. The battery pack voltage configurator circuit includes a first battery bank providing a first voltage and a first current, a second battery bank providing a second voltage and a second current, and a plurality of switches. The controller is configured to control the plurality of switches based on the determined load of the variable speed electric load. The battery pack voltage configurator circuit is configured to provide an output voltage and an output current to drive the variable speed electric load. The output voltage and the output current vary in magnitude based on the control of the plurality of switches.
B60H 1/00 - Heating, cooling or ventilating devices
B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 3/04 - Cutting-off the power supply under fault conditions
97.
High power module for controller of transport climate control system
Refrigerator units and refrigerating apparatuses, namely, refrigerators and temperature-controlled refrigerated mobile units for the storage and delivery of food products and pharmaceuticals all the foregoing for cargo transportation vehicles; Self-contained temperature control refrigeration units adapted for use in connection with cargo transportation vehicles; temperature control units adapted to control the temperature of air in cargo transportation containers, trailers, and rail carriages, namely, sensors, controllers, and temperature controlled mobile units for the storage and delivery of food products and pharmaceuticals, sold as a unit
99.
Air management system for climate control unit of a transport climate control system
Technologies are provided for preventing a working fluid leak from pooling and thus diluting any leaked working fluid from air within a condenser and/or evaporator compartment of the CCU. This can include a computer-readable medium that stores executable instructions that, upon execution, prevent a working fluid leak from pooling within a climate-control unit (CCU) of a transport climate control system. This also includes detecting fulfillment of activation threshold conditions in connection with the CCU. Also, this includes activating a fan in at least one of a condenser unit and an evaporator unit included in the CCU to dilute leaked working fluid from air within the CCU. Further, this includes detecting fulfillment of de-activation threshold conditions and de-activation of an activated fan.
A method of controlling a transport climate control system includes detecting for leaking of working fluid from a climate control circuit. The method also includes isolating a high-pressure side of the climate control circuit when leaking of the working fluid is detected. A method of controlling a transport climate control circuit includes detecting for overcharge and/or an undercharge of the climate control circuit. A transport climate control system includes a climate control circuit and a climate controller that is configured to detect for working fluid leaking from the climate control circuit. The climate controller configured to isolate a high-pressure side of the climate control circuit when leaking of the working fluid is detected.
