A drivetrain for connection between the output of a prime mover and a load is described herein. The drivetrain comprising a CVT including an input connected to the output of the prime mover and an output; a forward-reverse clutch assembly including first and second inputs and an output connectable to the load; the first input of the forward-reverse clutch assembly being connected to the output of the CVT through a CVT clutch. The drivetrain also includes an IVT gear assembly having a first input connected to the output of the prime mover, a second input connected to the output of the CVT and an output connected to the second input of the forward reverse clutch assembly through an IVT clutch; and an idler gear assembly interconnecting the first and second inputs of the forward-reverse clutch assembly.
B60K 17/06 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
B60K 17/28 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
F16H 3/78 - Special adaptation of synchronisation mechanisms to these gearings
F16H 37/02 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
2.
COMPRESSION-BASED SPEED LIMITATION FOR A DRIVELINE INCLUDING A TRANSMISSION
A compression-based speed limiting for a driveline including a transmission is described herein. The driveline controller detects over speeding and controls the ratio of the transmission to increase compression of the prime mover and therefore limit speed. When it is determined that the compression of the prime mover is not sufficient to adequately limit the speed, an unused clutch is partially engaged to dissipate kinetic energy and therefore further limit the speed.
B60K 23/00 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
B60W 10/10 - Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
F16H 59/50 - Inputs being a function of the status of the machine, e.g. position of doors or safety belts
F16H 63/40 - Control outputs to change-speed- or reversing-gearings for conveying rotary motion comprising signals other than signals for actuating the final output mechanisms
3.
CONTINUALLY VARIABLE TRANSMISSION PROVIDED WITH AN ELECTRIC MACHINE
A continuously variable transmission provided with an electric machine is described herein. The continuously variable transmission including a driving disk, a driven disk and rollers provided between the driving and driven disks. The driving and driven disks being rotatable about a longitudinal axis of the continually variable transmission. The continuously variable transmission further comprising a casing having an internal surface; and an electric machine having a stator associated with the internal surface of the casing and a rotor associated with one of the driving and driven disks.
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
4.
CONTINUALLY VARIABLE TRANSMISSION PROVIDED WITH AN ELECTRIC MACHINE
A continuously variable transmission provided with an electric machine is described herein. The continuously variable transmission including an input disk, an output disk and rollers provided between the input and output disks. The input and output disks being rotatable about a longitudinal axis of the continually variable transmission. The continuously variable transmission further comprising a casing having an internal surface; a pressure applying mechanism associated to one of the input and output for rotation therewith, the pressure-applying mechanism having an external surface; and an electric machine having a stator associated with the internal surface of the casing and a rotor associated with the external surface of the pressure applying mechanism.
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
5.
Slip control method and arrangement for a drivetrain architecture including a continuously variable transmission
A slip control method and arrangement for a drivetrain including a continuously variable transmission, forward-reverse clutch arrangement and an optional three-speed gearbox is described herein. The forward-reverse clutch arrangement includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the clutch prevents the prime mover from stalling.
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
B60W 30/188 - Controlling power parameters of the driveline, e.g. determining the required power
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
Clutch temperature management in a slip control method and arrangement for a drivetrain including a continuously variable transmission is described herein. The drivetrain includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. The temperature data from the clutch is used to determine the usable torque. Accordingly, the clutch prevents the prime mover from stalling.
A user input signal management method for a vehicle provided with a prime mover having an output that rotates and an input for a user input signal that controls the rotating speed of the output of the prime mover. The method including the reception of a signal representative of the position of a user input of a vehicle, the reception of data representative of at least one condition of the vehicle, the modification of the received signal representative of the position of the user input as a function of the data received and the supply of the modified signal to the accelerator input of the prime mover.
B60W 50/12 - Limiting control by the driver depending on vehicle state, e.g. interlocking means for the control input for preventing unsafe operation
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
A drivetrain for connection between the output of a prime mover and a load is described herein. The drivetrain comprising a CVT including an input connected to the output of the prime mover and an output; a forward-reverse clutch assembly including first and second inputs and an output connectable to the load; the first input of the forward-reverse clutch assembly being connected to the output of the CVT through a CVT clutch. The drivetrain also includes an IVT gear assembly having a first input connected to the output of the prime mover, a second input connected to the output of the CVT and an output connected to the second input of the forward reverse clutch assembly through an IVT clutch; and an idler gear assembly interconnecting the first and second inputs of the forward-reverse clutch assembly.
B60K 17/28 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
B60K 17/08 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing of mechanical type
F16H 37/06 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts
The control of the engagement rate of a clutch in a driveline is described herein. The clutch engagement rate is determined using at least one parameter of the driveline. An illustrative example where the parameters include the slipping level of the clutch and the rotational speed at the output of the clutch is described herein.
A hybrid implement drive wherein a secondary power generator can be operated so that the power developed thereby may be added to the power developed by a prime mover.
In part, skew limiter for a toric-drive CVT embodiments are disclosed. A skew limiter may include a shaped piece that limits the skew angle to a known angle notwithstanding the tilt angle of the rollers.
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
A calibration method for a slip control arrangement of a driveline including a continuously variable transmission is described herein. The driveline includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the clutch prevents the prime mover from stalling. A calibration method to link a valve command value and a torque allowed to pass through the clutch includes preventing the vehicle from moving and increasing the pressure applied in the clutch while noting the torque % value developed by the prime mover.
Clutch temperature management in a slip control method and arrangement for a drivetrain including a continuously variable transmission is described herein. The drivetrain includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. The temperature data from the clutch is used to determine the usable torque. Accordingly, the clutch prevents the prime mover from stalling.
F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure
B60K 23/02 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
A slip control method and arrangement for a drivetrain including a continuously variable transmission, forward-reverse clutch arrangement and an optional three-speed gearbox is described herein. The forward-reverse clutch arrangement includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the clutch prevents the prime mover from stalling.
F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure
B60K 23/02 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
B60W 10/10 - Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
15.
USER INPUT SIGNAL MANAGEMENT IN A VEHICLE TO SELECTIVELY LIMIT THE PRIME MOVER ROTATIONAL SPEED
A user input signal management method for a vehicle provided with a prime mover having an output that rotates and an input for a user input signal that controls the rotating speed of the output of the prime mover. The method including the reception of a signal representative of the position of a user input of a vehicle, the reception of data representative of at least one condition of the vehicle, the modification of the received signal representative of the position of the user input as a function of the data received and the supply of the modified signal to the accelerator input of the prime mover
B60K 28/10 - Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle
B60K 23/02 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
B60K 28/16 - Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle responsive to, or preventing, spinning or skidding of wheels
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
B60W 10/04 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
B60W 50/08 - Interaction between the driver and the control system
B60W 50/12 - Limiting control by the driver depending on vehicle state, e.g. interlocking means for the control input for preventing unsafe operation
16.
Slip control method and arrangement for a driveline
A slip control method and arrangement for a driveline is described herein. The driveline includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the clutch prevents the prime mover from stalling.
The control of the engagement rate of a clutch in a driveline is described herein. The clutch engagement rate is determined using at least one parameter of the driveline. An illustrative example where the parameters include the slipping level of the clutch and the rotational speed at the output of the clutch is described herein.
B60K 23/02 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure
18.
Calibration method for a slip control arrangement of a driveline including a continuously variable transmission
A calibration method for a slip control arrangement of a driveline including a continuously variable transmission is described herein. The driveline includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the clutch prevents the prime mover from stalling. A calibration method to link a valve command value and a torque allowed to pass through the clutch includes preventing the vehicle from moving and increasing the pressure applied in the clutch while noting the torque % value developed by the prime mover.
A drivetrain control and a method for controlling a drivetrain where the actual engine torque of the prime mover is taken into account are described herein. Illustrative embodiments include control systems and methods where the ratio set point of the CVT and/or the rate of the CVT ratio change are modified according to the actual engine torque of the prime mover.
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
F16H 59/68 - Inputs being a function of gearing status
F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members
F16H 59/14 - Inputs being a function of torque or torque demand
F16H 59/44 - Inputs being a function of speed dependent on machine speed
F16H 59/70 - Inputs being a function of gearing status dependent on the ratio established
A cooling arrangement to cool the rollers of a toroidal CVT is described herein. The cooling arrangement includes nozzles so configured and sized as to project cooling fluid onto the edge and onto the opposite top and bottom surfaces of the roller.
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 57/04 - Features relating to lubrication or cooling
A skew limiter for a toric-drive CVT is described herein. The skew limiter proposes a shaped piece that limits the skew angle to a known angle notwithstanding the tilt angle of the rollers.
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 57/021 - Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
F16H 63/08 - Multiple final output mechanisms being moved by a single common final actuating mechanism
A drivetrain for connection between the output of a prime mover and the input of a final drive is described herein. The drivetrain comprises a CVT including an input connected to the output of the prime mover and an output; a power mixer having a first input connected to the output of the prime mover, a second input coupled to the output disk of the CVT and an output; a three-speed transmission having an input connected to the output of the power mixer and an output connected to the input of the final drive.
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16D 13/76 - Friction clutches specially adapted to incorporate with other transmission parts, i.e. at least one of the clutch parts also having another function, e.g. being the disc of a pulley
F16H 3/00 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F02D 21/00 - Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
23.
FEED MIXER DRIVETRAIN PROVIDED WITH A TRANSMISSION AND CONTROL METHOD THEREFOR
A Feed Mixer Drivetrain provided with a transmission and control method therefor, wherein a controller is so configured as control a sequence of operation phases of the feed mixer; each operation phase defining a predetermined speed of the input shaft of the feed mixer via the transmission and a predetermined duration.
A cooling arrangement to cool the disks of a toroidal CVT includes a sleeve mounted to an input shaft of the toroidal CVT that defines a closed interspace with the input shaft. The sleeve includes an opening for receiving cooling fluid. The sleeve has two series of radial holes defining cooling fluid injectors, each registered with a corresponding lateral surface of the center disk for injecting cooling fluid onto the center disk on both lateral surface thereof. Two nozzles are provided, each mounted to the sleeve. Each nozzle is in fluid communication with the sleeve and has an outlet oriented towards a respective one of the end disks so as to project cooling fluid thereon.
F16H 57/04 - Features relating to lubrication or cooling
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16N 1/00 - Constructional modifications of parts of machines or apparatus for the purpose of lubrication
F16N 39/02 - Arrangements for conditioning of lubricants in the lubricating system by cooling
25.
SLIP CONTROL METHOD AND ARRANGEMENT FOR A DRIVELINE
A slip control method and arrangement for a driveline is described herein. The driveline includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the clutch prevents the prime mover from stalling.
B60W 30/186 - Preventing damage resulting from overload or excessive wear of the driveline excessive wear or burn out of friction elements, e.g. clutches
F16D 48/12 - Control of torque transfer between driven axles
F16D 7/02 - Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
F16H 59/56 - Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the main clutch
F16H 61/14 - Control of torque converter lock-up clutches
26.
PTO DRIVE PROVIDED WITH A CVT AND CONTROL METHOD THEREFOR
A PTO drive provided with a CVT and control method therefor, wherein the CVT is so controlled as to decrease the power supplied to the controlled implement should an actual engine power be above a threshold is described herein.
A PTO drive provided with a multi-ratio gearbox and control method therefor, wherein the multi-ratio gearbox is so controlled as to decrease the power supplied to the controlled implement should an actual engine power be above a threshold is described herein.
A drivetrain control and a method for controlling a drivetrain where the actual engine torque of the prime mover is taken into account are described herein. Illustrative embodiments include control systems and methods where the ratio set point of the CVT and/or the rate of the CVT ratio change are modified according to the actual engine torque of the prime mover.
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
F16H 59/14 - Inputs being a function of torque or torque demand
A slip control method and arrangement for a driveline including a continuously variable transmission is described herein. The driveline includes a hydraulic slip arrangement that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the hydraulic slip arrangement prevents the prime mover from stalling.
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
B60K 23/00 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
F16H 61/40 - Control of exclusively fluid gearing hydrostatic
F16H 61/4017 - Control of high pressure, e.g. avoiding excess pressure by a relief valve
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
F16H 35/10 - Arrangements or devices for absorbing overload or preventing damage by overload
F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members
F16H 59/14 - Inputs being a function of torque or torque demand
30.
Driveline for off-highway vehicles provided with a dual function CVT
A driveline for vehicles provided with a dual function CVT is described herein. The driveline includes a dual function CVT that can be used both to power the ground engaging wheels of the vehicle and to power an accessory drive thereof.
A cooling arrangement to cool the rollers of a toroidal CVT is described herein. The cooling arrangement includes nozzles so configured and sized as to project cooling fluid onto the edge and onto the opposite top and bottom surfaces of the roller.
F16H 57/04 - Features relating to lubrication or cooling
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
32.
Drive assembly provided with a continuously variable transmission and a direction reversing mechanism
A drive assembly including a CVT and a direction reversing mechanism is described herein. The direction reversing mechanism is such that the output of the drive assembly may rotate at variable speed in a first direction and at a fixed speed in a second direction.
F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
F16H 37/02 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings
F04D 25/10 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air
F04D 25/02 - Units comprising pumps and their driving means
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
33.
Slip control method and arrangement for a driveline including a continuously variable transmission
A slip control method and arrangement for a driveline including a continuously variable transmission is described herein. The driveline includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the clutch prevents the prime mover from stalling.
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
B60W 30/188 - Controlling power parameters of the driveline, e.g. determining the required power
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
A control system to mechanically control the ratio of a toroidal CVT as a function of the throttle position of the prime mover and of the load applied to the output of the CVT is described herein.
F16H 61/64 - Control of exclusively fluid gearing hydrodynamic controlled by changing the amount of liquid in the working circuit
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
A drivetrain for connection between the output of a prime mover and the input of a final drive is described herein. The drivetrain comprises a CVT including an input connected to the output of the prime mover and an output; a power mixer having a first input connected to the output of the prime mover, a second input coupled to the output disk of the CVT and an output; a three- speed transmission having an input connected to the output of the power mixer and an output connected to the input of the final drive.
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
F16D 13/76 - Friction clutches specially adapted to incorporate with other transmission parts, i.e. at least one of the clutch parts also having another function, e.g. being the disc of a pulley
36.
DRIVELINE FOR OFF-HIGHWAY VEHICLES PROVIDED WITH A DUAL FUNCTION CVT
A driveline for vehicles provided with a dual function CVT is described herein. The driveline includes a dual function CVT that can be used both to power the ground engaging wheels of the vehicle and to power an accessory drive thereof.
A slip control method and arrangement for a driveline including a continuously variable transmission is described herein. The driveline includes a hydraulic slip arrangement that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the hydraulic slip arrangement prevents the prime mover from stalling.
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
B60K 23/00 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
F16H 59/74 - Inputs being a function of engine parameters
F16H 61/472 - Automatic regulation in accordance with output requirements for achieving a target output torque
38.
Over clamping protection method and clamping mechanism therefor
A method where the spin factor is looked up in a table; the slip factor is measured and the clamping pressure is adjusted to achieve a slip/spin ratio provided in a desired range is described herein. According to another aspect, an active mechanical clamping mechanism using a radially movable contact point is also described.
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 15/50 - Gearings providing a continuous range of gear ratios
F16H 15/36 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
F16H 15/40 - Gearings providing a continuous range of gear ratios in which two members co-operate by means of balls, or rollers of uniform effective diameter, not mounted on shafts
39.
SLIP CONTROL METHOD AND ARRANGEMENT FOR A DRIVELINE INCLUDING A CONTINUOUSLY VARIABLE TRANSMISSION
A slip control method and arrangement for a driveline including a continuously variable transmission is described herein. The driveline includes a clutch that is so controlled as to slip when a torque higher than the usable torque attempts to pass through. Accordingly, the clutch prevents the prime mover from stalling.
B60K 23/02 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
B60K 23/00 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
F16H 59/56 - Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the main clutch
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
F16H 63/46 - Signals to a clutch outside the gearbox
40.
DRIVE ASSEMBLY PROVIDED WITH A CONTINUOUSLY VARIABLE TRANSMISSION AND A DIRECTION REVERSING MECHANISM
A drive assembly including a CVT and a direction reversing mechanism is described herein. The direction reversing mechanism is such that the output of the drive assembly may rotate at variable speed in a first direction and at a fixed speed in a second direction.
F04D 25/10 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 63/00 - Control outputs to change-speed- or reversing-gearings for conveying rotary motion
A roller position control mechanism including a steering element, positioned inside the bearing of each roller and provided with a skew shaft and a steering shaft defining an angle therebetween. A spider element fixes the steering element to a longitudinal shaft of the CVT and a control ring element interconnects the steering elements of the various rollers. Movement of the control ring element with respect to the spider element translates to a tilting movement of the rollers, thanks to the angle between the skew and steering shafts.
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 63/30 - Constructional features of the final output mechanisms
F16H 63/06 - Final output mechanisms thereforActuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions
A drive assembly including a CVT and a direction reversing mechanism is described herein. Accordingly, the direction of rotation of the output shaft of the drive assembly may be changed via the direction reversing mechanism.
F16H 3/30 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
B60K 17/08 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing of mechanical type
43.
Continuously variable transmission provided with a roller parking zone
Generally stated, various embodiments described herein concern a toroidal CVT provided with parking zones where the rollers are brought when the CVT is powered down. More specifically, a portion of the toroidal surfaces of the disks is reserved as a parking zone therefore preventing premature wear and/or damages to the working portion of the disks.
F16H 15/40 - Gearings providing a continuous range of gear ratios in which two members co-operate by means of balls, or rollers of uniform effective diameter, not mounted on shafts
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
A continuously variable transmission (CVT) provided with an integrated gerotor pump that also acts as a rotation blocker is described herein. In one illustrated embodiment, the gerotor pump is used to pump lubrication and cooling fluid through a radiator and into the hollow shaft of the CVT.
F16H 57/04 - Features relating to lubrication or cooling
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16N 7/38 - Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pumpCentral lubrication systems
45.
Continuously variable transmission provided with a gerotor pump
A continuously variable transmission (CVT) provided with an integrated gerotor pump that also acts as a rotation blocker is described herein. In one illustrated embodiment, the gerotor pump is used to pump lubrication and cooling fluid through a radiator and into the hollow shaft of the CVT.
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
F16H 57/04 - Features relating to lubrication or cooling
A disk shaped lubricating fluid dispenser to dispense lubricating fluid on rotating disks requiring film lubrication is described. The various embodiments provide a relatively constant and uniform 360-degree coverage of lubricating fluid on a rotating disk via a plurality of diffusing pins.
F16N 1/00 - Constructional modifications of parts of machines or apparatus for the purpose of lubrication
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 57/04 - Features relating to lubrication or cooling
F16N 31/00 - Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
F16N 7/36 - Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by pumping action of the member to be lubricated or of a shaft of the machineCentrifugal lubrication
47.
Over clamping protection method and clamping mechanism therefor
A method where the spin factor is looked up in a table; the slip factor is measured and the clamping pressure is adjusted to achieve a slip/spin ratio provided in a desired range is described herein. According to another aspect, an active mechanical clamping mechanism using a longitudinally movable contact point is also described.
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
48.
A CONTINUOUSLY VARIABLE TRANSMISSION (CVT) HAVING A COAXIAL INPUT/OUTPUT ARRANGEMENT AND REDUCED FRICTION LOSSES
A toroidal Continuously Variable Transmission provided with co-axial input/output arrangement where a drum assembly is used to transfer torque from a central driven disk of the CVT to the input or output shaft thereof. The drum assembly includes features to reduce the friction between the rotating drum and lubrication fluid present in the transmission.
F16H 15/40 - Gearings providing a continuous range of gear ratios in which two members co-operate by means of balls, or rollers of uniform effective diameter, not mounted on shafts
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 57/04 - Features relating to lubrication or cooling
49.
OVER CLAMPING PROTECTION METHOD AND CLAMPING MECHANISM THEREFOR
A method where the spin factor is looked up in a table; the slip factor is measured and the clamping pressure is adjusted to achieve a slip/spin ratio provided in a desired range is described herein. According to another aspect, an active mechanical clamping mechanism using a radially movable contact point is also described.
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 13/14 - Means for influencing the pressure between the members for automatically varying the pressure mechanically
A roller position control mechanism including a steering element, positioned inside the bearing of each roller and provided with a skew shaft and a steering shaft defining an angle therebetween. A spider element fixes the steering element to a longitudinal shaft of the CVT and a control ring element interconnects the steering elements of the various rollers. Movement of the control ring element with respect to the spider element translates to a tilting movement of the rollers, thanks to the angle between the skew and steering shafts.
F16H 15/40 - Gearings providing a continuous range of gear ratios in which two members co-operate by means of balls, or rollers of uniform effective diameter, not mounted on shafts
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 63/06 - Final output mechanisms thereforActuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions
F16H 63/08 - Multiple final output mechanisms being moved by a single common final actuating mechanism
51.
Transmission arrangement comprising a power mixing mechanism
A transmission arrangement for transmitting power from a power source to an electrical generator. The transmission arrangement comprises a continuously variable transmission (CVT) and an alternative transmission that is more efficient at transmitting power than the CVT. The transmission arrangement further comprises a power mixing mechanism for combining power from the CVT and the alternative transmission into a combined power output to be provided to the electrical generator. The percentage of CVT power within the combined power output decreases as the power supplied by the power source increases.
A method where the spin factor is looked up in a table; the slip factor is measured and the clamping pressure is adjusted to achieve a slip/spin ratio provided in a desired range is described herein. According to another aspect, an active mechanical clamping mechanism using a longitudinally movable contact point is also described.
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 13/14 - Means for influencing the pressure between the members for automatically varying the pressure mechanically
A drivetrain provided with a CVT that can be used in both CVT and Infinitely Variable Transmission (IVT) configurations and that includes a high-low gear selection assembly and a power mixer is described herein. The drivetrain includes a high-low gear selection mechanism that provides, in combination with the CVT, high and low ranges of gear ratios. The drivetrain further includes a power-mixer that allows the IVT configuration for transitions between high and low configurations that are seamless to the operator.
A compact drivetrain provided with a CVT that can be used in CVT low and high configurations and in a reverse configuration is described herein. In addition to the CVT, the drivetrain includes first and second planetary gear trains compactly mounted in series so as to selectively cooperate with the CVT and a configuration selection system coupled to both first and second planetary gear trains and to the output disk of the CVT for selectively associating the output shaft of the drivetrain to the outputs of the first and second planetary gear trains or to the output disk of the CVT for allowing the three modes of operation.
F16H 37/12 - Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these three types
B60K 17/06 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 48/36 - Differential gearings characterised by intentionally generating speed difference between outputs
55.
CONTINUOUSLY VARIABLE TRANSMISSION PROVIDED WITH A ROLLER PARKING ZONE
Generally stated, various embodiments described herein concern a toroidal CVT provided with parking zones where the rollers are brought when the CVT is powered down. More specifically, a portion of the toroidal surfaces of the disks is reserved as a parking zone therefore preventing premature wear and/or damages to the working portion of the disks.
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
A drivetrain provided with a Continuously Variable Transmission (CVT) that can be used in both CVT and Infinitely Variable Transmission (IVT) configurations and that include a Forward-Reverse gear selection assembly is described herein. Transitions between configurations are seamless to the operator.
A pressure applying mechanism for a toric-drive Continuously Variable Transmission (CVT) that comprises two opposed elements each with internal V-shaped ramp surfaces and at least three ball bearings interposed between the elements wherein rotation of one element causes the mechanism to expand in the longitudinal direction and thus generate an appropriate pressure between a drive disk and a driven disk. The invention further includes a pre-load mechanism comprising a washer for adjusting the pre-load on the pressure applying mechanism.
F16H 15/12 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately-flat friction surface in which the axes of the two members cross or intersect in which one or each member is duplicated, e.g. for obtaining better transmission, for lessening the reaction forces on the bearings
F16H 15/38 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
F16H 55/38 - Means or measures for increasing adhesion
F16H 57/12 - Arrangements for adjusting or for taking-up backlash not provided for elsewhere
A drive train provided with a CVT that can be used in both CVT and Infinitely Variable Transmission (IVT) configurations and that include a High-Low gear selection assembly is described herein. Transitions between configurations are seamless to the operator.
F16H 37/06 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts
B60K 17/00 - Arrangement or mounting of transmissions in vehicles
F16H 61/70 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
59.
DRIVELINE FOR A FAN USING A CONTINUOUSLY VARIABLE TRANSMISSION
A device for driving a fan, such as a cooling fan of a stationary electrical generation unit is described herein. The device includes a driveline for transmitting power from a prime mover to the fan. The driveline includes a continuously variable transmission that is in a driving relationship with the fan. A protection device is provided in the driveline to protect the continuously variable transmission from torque spikes. The protection device has a driven member and a driving member and is capable to acquire a plurality of operative conditions, the plurality of operative conditions including a first operative condition and a second operative condition. During the second operative condition the driven member and the drive member manifesting a higher degree of slip than when the protection device is in the first operative condition.
F01P 7/04 - Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
F02B 67/04 - Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functionsDriving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
60.
A TRANSMISSION ARRANGEMENT COMPRISING A POWER MIXING MECHANISM
A transmission arrangement for transmitting power from a power source to an electrical generator. The transmission arrangement comprises a continuously variable transmission (CVT) and an alternative transmission that is more efficient at transmitting power than the CVT. The transmission arrangement further comprises a power mixing mechanism for combining power from the CVT and the alternative transmission into a combined power output to be provided to the electrical generator. The percentage of CVT power within the combined power output decreases as the power supplied by the power source increases.
F16H 37/06 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts
B60K 17/00 - Arrangement or mounting of transmissions in vehicles
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
patents
