The present invention describes a device for delivering a combustible gaseous mixture (M) comprising a first duct for feeding air (A) and a second duct for feeding a gaseous fuel (G), which join in a mixing zone, in which the gaseous fuel (G) and air (A) mix according to a lambda coefficient (λ) before being sent to a burner, a ventilation device for feeding the air (A) and at the same time suctioning gaseous fuel (G) along said ducts, and means for regulating the flow rate of gaseous fuel (G). The invention also concerns a method to use a device for controlling the delivering of a combustible gaseous mixture (M).
The present invention describes a device for delivering a combustible gaseous mixture (M) comprising a first duct for feeding air (A) and a second duct for feeding a gaseous fuel (G), which join in a mixing zone, in which the gaseous fuel (G) and air (A) mix according to a lambda coefficient (λ) before being sent to a burner, a ventilation device for feeding the air (A) and at the same time suctioning gaseous fuel (G) along said ducts, and means for regulating the flow rate of gaseous fuel (G). The invention also concerns a method to use a device for delivering a combustible gaseous mixture (M).
The apparatus and method according to the present invention are adapted to adjust, in a combustible gas burner, a mixture of gas formed by a first gas and a second combustible gas, wherein the gas mixture is provided through the appropriate mixing of an amount of said first gas by means of a first adjustment element and an amount of said combustible gas by means of a second adjustment element. Said first or second adjustment elements are managed, during operation, by a controller, which processes the data coming from at least two sensors.
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
F23N 1/02 - Regulating fuel supply conjointly with air supply
Apparatus (10; 1010) for managing a flow (F) of a gas comprising a duct (13) in which there are a blocking element (100) comprising a first valve element (110) able to be positioned with respect to a first aperture (15'), a second valve element (120; 1120) able to be selectively positioned with respect to a second aperture (16', 116') and a third aperture (17', 1 17'). Said first and second valve elements (110, 120; 1120) are coaxial and first release means (110a) exert a force on said first valve element (110) in order to close said first aperture (15') and to exert a force on a mobile insert (112), which is mechanically connected to said first valve element (1 10), which transfers said force to said second valve element (120; 1120) in order to close said second aperture (16'; 116') and at the same time open said third aperture (17'; 117').
F16K 11/048 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves with valve seats positioned between movable valve members
6.
DEVICE FOR DELIVERING A GASEOUS MIXTURE, CORRESPONDING DELIVERY APPARATUS AND CORRESPONDING METHOD OF USE
Device (10) for delivering a gaseous mixture (M) of a first gas (A) and a second gas (G) which comprises: a body (10) which defines a first duct (11) in which the first gas (A) flows and a second duct (12) in which the second gas (G) flows, wherein the first duct (11) and the second duct (12) join together in a mixing zone (13). The device (10) comprises a first sensor (30a) configured to determine a flow rate, QA, of the first gas (A), and at least one of either a second sensor (30b) or a third sensor (30c) configured to determine a flow rate, QG, of the second gas (G).
A valve apparatus (10) for delivering gas comprises a duct (11) for the passage of a gas extending along a longitudinal axis (X) and having an inlet aperture (12) and an outlet aperture (13), first valve means (15) configured to cooperate with the inlet aperture (12) to allow or prevent the flow of said gas and second valve means (21) configured to cooperate at least with a valve seating (22) in order to close said valve apparatus (10). The invention also concerns a mixing device (100) comprising a valve apparatus (10) and a method for delivering a gas.
The apparatus and method according to the present invention are adapted to adjust, in a combustible gas burner, a mixture of gas formed by a first gas and a second combustible gas, wherein the gas mixture is provided through the appropriate mixing of an amount of said first gas by means of a first adjustment element and an amount of said combustible gas by means of a second adjustment element. Said first or second adjustment elements are managed, during operation, by a controller, which processes the data coming from at least two sensors.
F23N 1/02 - Regulating fuel supply conjointly with air supply
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
F23N 5/24 - Preventing development of abnormal or undesired conditions, i.e. safety arrangements
The present invention describes a device (10) for delivering a combustible gaseous mixture (M) comprising a first duct (11) for feeding air (A) and a second duct (12) for feeding a gaseous fuel (G), which join in a mixing zone (13), in which the gaseous fuel (G) and air (A) mix according to a lambda coefficient (X) before being sent to a burner (50), a ventilation device (14) for feeding the air (A) and at the same time suctioning gaseous fuel (G) along said ducts (11, 12), and means (16) for regulating the flow rate of gaseous fuel (G). The invention also concerns a method to use a device (10) for controlling the delivering of a combustible gaseous mixture (M).
The present invention describes a device (10) for delivering a combustible gaseous mixture (M) comprising a first duct (11) for feeding air (A) and a second duct (12) for feeding a gaseous fuel (G), which join in a mixing zone (13), in which the gaseous fuel (G) and air (A) mix according to a lambda coefficient (X) before being sent to a burner (50), a ventilation device (14) for feeding the air (A) and at the same time suctioning gaseous fuel (G) along said ducts (11, 12), and means (16) for regulating the flow rate of gaseous fuel (G). The invention also concerns a method to use a device (10) for delivering a combustible gaseous mixture (M).
A valve delivery device (10) comprises feed means (11) for feeding a gaseous fuel containing hydrogen into a first channel (12) and a second air feed channel (15) which joins said first channel (12) in a mixing zone (16) in which the gaseous fuel and the air mix according to a predefined air/gas ratio before being sent to a burner (17).
a load configured to be controlled by the control unit so as to absorb power in a varying manner over time when said input is supplied by the supply signal.
Ventilation apparatus (10), comprising an electric motor (11) and a plate (13) on which the electric motor (11) is mounted. Damping members (22) are coupled in a snap-in or elastic interlocking manner on one side with the plate (13) and on the other side with the electric motor (11).
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
F23L 5/00 - Blast-producing apparatus before the fire
F04D 29/62 - MountingAssemblingDisassembling of radial or helico-centrifugal pumps
F23D 14/36 - Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
F23D 14/46 - Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid Details
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
A gas regulating apparatus (10; 110) comprises a delivery conduit (11) which extends between an inlet (12) and an outlet (13) and a direct type pressure regulator (14), suitable to be used with different types of gases, which is disposed in said delivery conduit (11), configured to regulate the pressure of the gas in order to keep it within a predefined value.
Regulating apparatus for heating systems, namely, gas
pressure regulators composed of electronic card, valve and
fan; regulating and safety accessories for gas apparatus,
namely, gas pressure regulators; parts and fittings for all
the aforesaid goods.
Regulating apparatus for heating systems, namely, gas
pressure regulators composed of electronic card, valve and
fan; regulating and safety accessories for gas apparatus,
namely, gas pressure regulators; parts and fittings for all
the aforesaid goods.
17.
Water-heating apparatus comprising combustible gas burner, in particular a storage water heater
An apparatus for heating water comprises a main burner, a pilot burner, a valve assembly with a main valve and a pilot valve having a shutter, a magnetic thermoelectric safety assembly with a thermocouple device holding the pilot valve open in the presence of a flame in the pilot burner, a button member mounted on a rod that is slidingly guided in the valve assembly and an electrical ignition member supplied via an electrical connection circuit, a switch device in the circuit being designed to be switched by means of the button member so as to close the electrical circuit when said button member is pressed in order to carry out actuation of the magnetic assembly so as to open the passage of gas through the pilot valve towards the pilot burner and to ignite the pilot flame by means of the sparks generated by the ignition member.
F23Q 9/12 - Ignition by a pilot flame with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame
F23Q 3/00 - Ignition using electrically-produced sparks
actuator which moves the lever, operationally associated with the lever in a position between the opposing lever ends to control the lever about the fulcrum location resulting in movement of the closure member away from and towards the valve seat, the actuator comprising a linear actuator element with converse piezoelectric effect.
(1) Regulating apparatus for heating systems, namely, gas pressure regulators composed of electronic card, valve and fan; regulating and safety accessories for gas furnaces, gas burning stoves, gas fireplaces, namely, gas pressure regulators; parts and fittings for all the aforesaid goods
Regulating apparatus for heating systems, namely, gas pressure regulators composed of electronic card, valve and fan; regulating and safety accessories for gas apparatus, namely, gas pressure regulators; replacement parts and fittings for all the aforesaid goods
(1) Regulating apparatus for heating systems, namely, gas pressure regulators composed of electronic card, valve and fan; regulating and safety accessories for gas furnaces, gas burning stoves, gas fireplaces, namely, gas pressure regulators; parts and fittings for all the aforesaid goods
Regulating apparatus for heating systems, namely, gas pressure regulators composed of electronic card, valve and fan; regulating and safety accessories for gas apparatus, namely, gas pressure regulators; replacement parts and fittings for all the aforesaid goods
A gas delivery apparatus has a delivery pipe that extends from a gas entrance end to a gas delivery end along which an entrance component, a pressure regulator and a flow rate regulator are present, coordinated with each other in order to supply on each occasion the desired quantity of gas to a burner of an apparatus fed with gas. or p with an air-gas mixture.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
38 - Telecommunications services
Goods & Services
Measuring and checking instruments for managing electricity,
gas and any other energy source; measuring and checking
instruments for managing water consumption; all of the
aforesaid goods not consisting in software. Installation of energy-saving apparatus for improving
efficiency in the use of electricity, gas and any other
energy source in homes, businesses and public facilities;
installation of energy-saving apparatus for improving water
consumption efficiency in homes, businesses and public
facilities; installation and repair of measuring and
checking instruments for managing electricity, gas and any
other energy source; installation and repair of measuring
and checking instruments for managing water consumption. Transmission of sounds, images and signals via
telecommunication networks, wireless communication networks,
the Internet, and other information exchange and data
transmission networks; transmission of sounds, images and
signals relating to the efficient use of energy sources and
water.
25.
System and method for operational control of a water heater apparatus with a combustible gas burner
A control system of a water heater apparatus with a combustible gas burner is presented where the apparatus includes a pilot burner with an intermittent-type pilot flame, a main burner, a pilot valve and a main valve, a control unit, a flame detection electrode, introduced into the flame of the pilot burner, and which is configured to conduct an ionization current. The control unit is configured to measure/detect a variation involving increase/decrease of the intensity of ionization current detected, the variation in intensity of ionization current being generated during the change between a first condition, in which the ionization current identifies the ignition state of only the pilot burner, and a second condition, in which the ionization current identifies the simultaneous ignition state of the pilot burner and the main burner so that, by detection of the measurement/variation of ionization current, the effective ignition of the main burner is recognized.
F23Q 9/14 - Ignition by a pilot flame with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame using electric means, e.g. by light-sensitive elements
A system for operational control of a water heater apparatus with a combustible gas burner, the apparatus comprising a pilot burner with a pilot flame of the intermittent type, a main burner, a pilot valve and a main valve,.5 a control unit, a flame detection electrode which is introduced into the flame ofthe pilot burner and which is configured to conduct an ionization current, wherein the control unit is configured to measure or to detect a variation involving increase or decrease of the intensity of ionization current detected in the electrode, this variation in intensity of ionization current being generatedio during the change between a first condition, in which the ionization currentidentifies the ignition state of only the pilot burner, and a second condition, in which the ionization current identifies the simultaneous ignition state of the pilot burner and the main burner so that, by means of the detection of the measurement or the variation of ionization current, the effective ignition of the /5 main burner is recognized.27Date Recue/Date Received 2020-1 2-2 1
F23Q 9/14 - Ignition by a pilot flame with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame using electric means, e.g. by light-sensitive elements
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Boiler control instruments; boiler control instruments;
thermostats; thermal sensors [thermostats]; thermostatically
controlled valves; thermostat control apparatus; pressure
sensors; gas pressure indicators. Pilot lights for igniting gas fired apparatus; fans for gas
extractors; fire ventilators for exhausting gases; burner
control apparatus; burners for the combustion of gas in
boiler units; thermostatic valves; safety valves for gas
apparatus; stop valves for regulating gas.
Regulating apparatus for heating systems; security apparatus
for heating systems; regulating apparatus for gas burners;
gas burners incorporating temperature control devices; pilot
burners; igniters; friction lighters for igniting gas;
dampers (parts of heating installations); pilot gas filters;
regulating accessories for water or gas apparatus;
regulating and safety accessories for gas apparatus; parts
and fittings for all of the aforesaid goods; apparatus for
heating, steam generating, cooking, refrigerating, drying,
ventilating, water supply and sanitary purposes, except
pipes, equipment and supports for pipes, or connecting rods
for pipes, all the aforesaid goods being for gas and water
installations, and underground waste pipes of metal and/or
plastics.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
(1) Boiler control instruments in the nature of automatic valves, automatic electronic control valves for regulating the flow of gases and liquids, pressure relief valves; thermostats; thermal sensors [thermostats]; thermostatically controlled valves for regulating the flow of gases and liquids; thermostat control apparatus, namely electromechanical controls for thermostats for gas boilers, gas burners, gas water heaters, and gas space heaters; pressure sensors; gas pressure indicators, namely pressure gauges and pressure meters; electronic board for burner control of gas boilers, gas burners, gas water heaters, and gas space
(2) Pilot lights for igniting gas boilers, gas burners, gas water heaters, and gas space heaters; ventilating fans for gas extractors; fire ventilation hoods for exhausting gases; burners for the combustion of gas in boiler units; thermostatic valves, namely, thermostatic valves for gas boilers, gas burners, gas water heaters, and gas space; safety valves for gas apparatus; stop valves for regulating gas in gas boilers, gas burners, gas water heaters, and gas space heaters
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Boiler control instruments; pressure sensors; gas pressure indicators Pilot lights for igniting gas fired apparatus; fans for gas extractors; fire ventilators for exhausting gases; boiler components, namely, burner control valves; burners for the combustion of gas in boiler units; thermostatic valves; safety valves for gas apparatus; stop valves for regulating gas
Apparatus to deliver gas having a delivery pipe that extends from an entrance end to a gas delivery end along which there are, one after the other, an entrance component, a pressure regulator and a flow rate regulator coordinated with respect to each other to supply on each occasion the desired quantity of gas to a burner of an apparatus fed by gas, or by a mixture of air/gas.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Boiler control instruments; Boiler control instruments; Thermostats; Thermal sensors [thermostats]; Thermostatically controlled valves; Thermostat control apparatus; Pressure sensors; Gas pressure indicators. Pilot lights for igniting gas fired apparatus; Fans for gas extractors; Fire ventilators for exhausting gases; Burner control apparatus; Burners for the combustion of gas in boiler units; Thermostatic valves; Safety valves for gas apparatus; Stop valves for regulating gas.
(1) Regulating apparatus for heating systems, namely heat regulators being parts of heating installations; security apparatus in the nature of regulators for controlling gas combustion to be applied to heating systems; regulating apparatus, namely dosing valves being parts for gas burners; gas burners incorporating temperature control devices; pilot burners; igniters; friction lighters for igniting gas; pilot gas filters; regulating accessories, namely electric fans for water and gas heating installations; regulating and safety accessories, namely electric valves for gas heating installations.
34.
SIT 00 101 101 01 1 010 010 1101 100 0110 1 00 0101 ELEKTRA COMBUSTION MANAGEMENT SYSTEM
Regulating apparatus for heating systems, namely, gas pressure regulators composed of valve and fan; regulating and safety accessories for gas apparatus, namely, gas pressure regulators; replacement parts and fittings for gas pressure regulators
Regulating apparatus for heating systems; Security apparatus for heating systems; Regulating apparatus for gas burners; Gas burners incorporating temperature control devices; Pilot burners; Igniters; Friction lighters for igniting gas; Dampers (parts of heating installations); Pilot gas filters; Regulating accessories for water or gas apparatus; Regulating and safety accessories for gas apparatus; Parts and fittings for all of the aforesaid goods; Apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, except pipes, equipment and supports for pipes, or connecting rods for pipes, all the aforesaid goods being for gas and water installations, and underground waste pipes of metal and/or plastics.
36.
DEVICE FOR CONTROLLING THE SUPPLY OF A COMBUSTIBLE GAS TO A BURNER OF A HEATING APPARATUS
A device for controlling the supply of a combustible gas to a burner of a heating apparatus comprises: - a valve (6) with a respective valve seat (6a) which is associated with a corresponding closure member (6b) which is provided with a respective control rod (7) for opening the valve seat, - a system for amplifying the movement of the control rod (7) which has a snap-fit spring (26) which acts on the rod (7) and a pushing element (27) which in turn acts on the snap-fit spring (26) in order to activate a snap-fit movement of the spring, there acting on the pushing element (27) a first end (28a) of a lever (28), which is hinged at a fulcrum location which is positioned at an opposing second end (28b) of the lever, - actuator means for the movement of the lever (28) which are operationally associated with the lever in a position between the opposing lever ends (28a, 28b) for the control of the lever about the fulcrum location for the resultant movement of the closure member (6b) away from and towards the valve seat (6a), the actuator means comprising a linear actuator element (30) with a converse piezoelectric effect, in which the linear movement of the actuator is proportionally correlated with the signal of an electric control voltage which is applied to the actuator.
A gas delivery apparatus (10) has a delivery pipe (12) that extends from a gas entrance end (13) to a gas delivery end (14) along which an entrance component (15), a pressure regulator (16) and a flow rate regulator (17) are present, coordinated with each other in order to supply on each occasion the desired quantity of gas to a burner (11) of an apparatus fed with gas or with an air-gas mixture.
A gas delivery apparatus (10) has a delivery pipe (12) that extends from a gas entrance end (13) to a gas delivery end (14) along which an entrance component (15), a pressure regulator (16) and a flow rate regulator (17) are present, coordinated with each other in order to supply on each occasion the desired quantity of gas to a burner (11) of an apparatus fed with gas or with an air-gas mixture.
An apparatus for heating water comprises a main burner, a pilot burner, a valve assembly with a main valve and a pilot valve having a shutter, a magnetic thermoelectric safety assembly with a thermocouple device holding the pilot valve open in the presence of a flame in the pilot burner, a button member mounted on a rod that is slidingly guided in the valve assembly and an electrical ignition member supplied via an electrical connection circuit, a switch device in the circuit being designed to be switched by means of the button member so as to close the electrical circuit when said button member is pressed in order to carry out actuation of the magnetic assembly so as to open the passage of gas through the pilot valve towards the pilot burner and to ignite the pilot flame by means of the sparks generated by the ignition member.
The present invention concerns an indication apparatus and corresponding method to indicate the output level of a pilot flame in a gas appliance (11) provided with a thermocouple (19) suitable to convert the energy generated by a pilot flame, which receives gas from a pilot valve (15), into electric voltage to power an electro valve (17) of the pilot valve (15) and to keep the latter open. The apparatus comprises a first (20a) and a second connector (20b) suitable to be coupled with a positive terminal (Tl) and with a negative terminal (T2) of the thermocouple (19), a voltage measurement circuit (21) connected to the first (20a) and the second connector (20b), a lighting device (22) configured to provide a light signal, a controller device (23) coupled with the voltage measurement circuit (21) and with the lighting device (22) and configured to determine the switching on of the lighting device (22) on the basis of the output supplied by the voltage measurement circuit (21) to provide a user with an indication of when the voltage generated by the thermocouple (19) is greater than or equal to a predefined value (Von) sufficient to power the electro valve (17).
A safety system for a gas apparatus (100) for heating water, the gas apparatus comprising a tank (1) for containing water and a first gas burner (2) for heating the water contained inside the tank (1). The safety system (200, 200') comprises a first sensor (9) suitable for generating a first signal which represents a temperature of the water contained in the tank (1), a second sensor (10) suitable for generating a second signal which represents a temperature of the water contained in the tank (1), a supply circuit (11) for energizing a first actuator (4) of a first valve (3) which is arranged to allow to pass/intercept a flow of gas towards the first gas burner (2), the first actuator (4) being arranged to actuate so as to open and close the first valve (3) when it is energized and non-energized, respectively, a switch device (13) which is arranged in the supply circuit (11) in order to close/open the supply circuit (11) so as to energize/not to energize the first actuator (4), a digital processing unit (14) which is operatively connected to the first and/or second sensor (9, 10) and which is configured to compare a set-point value which represents a preselected temperature with the first or second signal and a control device (16) which is operatively connected to the switch device (13) and to the first and second sensors (9, 10). The control device (16) comprises an analogue comparator (17) which is operatively connected to the first and second sensors (9, 10) in order to compare the first signal with the second signal and the control device (16) is configured to generate a control signal (18) for controlling so as to open/close the switch device (13) on the basis of the comparison between the first and second signals carried out by the analogue comparator (17).
A combustible gas heating apparatus is described, in particular an apparatus for heating water, comprising: - a main burner (2) arranged in a combustion chamber (3) of the apparatus, - a pilot burner (4) suitable for generating a pilot flame for igniting the main burner (2), - a valve group (5) comprising a main valve (6) arranged on a main duct (7) for supplying the combustible gas to the main burner, and a pilot valve (8) arranged on said main duct (7), upstream of the main valve, for supplying gas to the pilot burner (4), a pilot duct (9) branching off from a portion (7a) of the main duct (7) between the pilot and main valves in order to feed the gas to the pilot burner, - a system for controlling the supply of gas to the main and pilot burners, including an electronic control unit (10) that is operatively associated with the main and pilot valves, - a thermal safety device (12) which can be activated in the presence of inflammable vapours in the vicinity of the apparatus and is designed to safely extinguish the main burner (2) when a predetermined temperature threshold in the combustion chamber (3) has been exceeded, - the pilot burner (4) being intended as a continuous pilot burner having a permanent flame, - the pilot valve (8) and the main valve (6) being electrically-operated valves, - an auxiliary buffer battery (18) being intended to power the electronic control unit if there is a temporary absence of a mains power supply, such that at least the pilot valve (8) is powered and operated, by means of said control unit (10), in order to ensure that the pilot flame in the pilot burner (4) is maintained during the temporary absence of a mains power supply.
There is described a fan comprising a frame (2) for receiving an impeller (3) which is provided with blades (4a), a pressure chamber (7) of the fan which is delimited between the frame (2) and the blades (4a), an electronic board (8) for controlling the fan which is externally associated with the frame (2), a heat dissipation device which is associated with the electronic board, wherein the heat dissipation device comprises at least one heat dissipating element (10) of thermally conductive material which extends from the electronic board (8), through a first through-opening (11) which is provided in the frame (2), as far as the interior of the pressure chamber (7) of the fan so that at least a portion of the dissipating element(10) is acted on by the air flow generated by the impeller (3) of the fan.
F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
F04D 29/62 - MountingAssemblingDisassembling of radial or helico-centrifugal pumps
F04D 29/58 - CoolingHeatingDiminishing heat transfer
F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
44.
Method for driving a valve for regulating the flow rate of fuel gas towards a burner, in particular for condensation boilers having high power modulation
A method for modulating a valve regulating the flow rate of gas towards a burner is presented. The valve with the associated closure member configured to operate with a predetermined characteristic curve, the flow rate delivered being proportionally related to the strength of a first current signal sent to the modulator such that the flow rate can be modulated, using the proportionality, within a range of modulation between a maximum flow rate and a minimum flow rate. To deliver controlled gas flow rates that are below the minimum flow rate, the modulator is driven with a second PWM voltage signal capable of generating a particular second PWM current signal, to move the closure member of the valve according to the second signal. First and second time intervals correspond to successive durations of high signal and low signal, respectively, the sum being equal to a period of the second signal.
G05D 7/06 - Control of flow characterised by the use of electric means
H01F 7/06 - ElectromagnetsActuators including electromagnets
H01F 7/18 - Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
F24H 8/00 - Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
Protection device for protection against electromagnetic disturbances in electrical networks (200), the protection device (100) comprising an electromagnetic filter (1). The electromagnetic filter (1) comprises a first and a second input end (2, 3) which are suitable for being connected to a first electrical conductor (201) and a second electrical conductor (202) of an electrical network (200), respectively, a first and a second output end (4, 5) which are connected or suitable for being connected to an electrical circuit (310) of an electrical apparatus (300), and a first electrical path (6) which extends from the first input end (2) to the first output end (4) and a second electrical path (7) which extends from the second input end (3) to the second output end (5), the first and second electrical paths (6, 7) comprising a first inductor (8) and a second inductor (9), respectively.The protection device comprises a first voltage suppressor (11) and a second voltage suppressor (12), each of the voltage suppressors being a two- terminal network, wherein the terminals (13, 14) of the first voltage suppressor (11) are electrically connected to the first input end (2) and the first output end (4), respectively, and the terminals (15, 16) of the second voltage suppressor (12) are electrically connected to the second input end (3) and the second output end (5), respectively.
Control system for controlling the pilot flame of a combustible gas device, the gas device (200) comprising a pilot burner (1) for generating a pilot flame, a main burner (2) for generating a main flame, and a valve assembly (300), which comprises a pilot valve (3) that is arranged upstream of the pilot burner (1) in order to allow/intercept a flow of gas directed towards the pilot burner(1), and a main valve (4) that is arranged upstream of the main burner (2) in order to allow/intercept a flow of gas directed towards the main burner (2), the state of the valve assembly (300) being moveable between an OFF state, in which the pilot valve (3) is closed, a PILOT state, in which the pilot valve (3) is open and the main valve (4) is disabled to allow gas to flow towards the main burner(2), and an ON state, in which the pilot valve (3) is open and the main valve (4) is enabled to allow gas to flow towards said main burner (2). The control system (100) comprises a detection device(19) adapted to detect at least the PILOT state of the valve assembly (300) and to generate a state signal that represents the detected state of the valve assembly (300), and a control unit (20) comprising a timer (24), the control unit (20) being operatively connected to the detection device(19) in order to receive the state signal and to an actuator (10) for the pilot valve (3) in order to close said valve. The control unit (20) is configured to start said timer (24) when the state signal received by the detection device(19) represents the PILOT state, and to actuate the actuator (10) for the pilot valve (3) in order to close said valve when the time measured by the timer (24) reaches a preset limit, thereby extinguishing the pilot flame.
Control system for controlling the pilot flame of a combustible gas device, which includes a pilot burner, a main burner, and a valve assembly, which includes a pilot valve that allows/intercepts a flow of gas directed towards the pilot burner, and a main valve that allows/intercepts a gas flow to the main burner, the valve assembly moveable between a closed OFF state, a PILOT state, and an ON state, where gas flows to the main burner. The control system includes a detection device that generates a state signal, and a control unit including a timer, the control unit is operatively connected to the detection device to receive a state signal and to an actuator to close the valve. The control unit starts the timer when the state signal represents the PILOT state, and actuates the actuator for the pilot valve to close it when the timer reaches a preset limit.
Apparatus to deliver gas (10) having a delivery pipe (12) that extends from an entrance end (13) to a gas delivery end (14) along which there are, one after the other, an entrance component (15), a pressure regulator (16) and a flow rate regulator (17) coordinated with respect to each other to supply on each occasion the desired quantity of gas to a burner (11) of an apparatus fed by gas, or by a mixture of air/gas.
Equipment for machinery, including guides, Guide rails, Linear guideway; Gear wheels for machines, Bearings, Racks and recirculating ball screws.
51.
Electric motor, in particular for fans for combustion air, or for an air/combustion gas mixture, in gas burners, stator assembly for such electric motor, and method of assembly for such stator assembly
An electric motor, particularly for fans for combustion air, or for an air/combustion gas mixture, in gas burners, includes a stator assembly, which in turn includes a lamination pack provided with a perimetric frame with at least one pair of pole shoes, each one of which is constituted by a winding body and an expanded head; a frame for supporting the lamination pack; and a spool of conducting wire for each pole shoe, with the interposition of an insulating support. The assembly further includes elements for reducing rotational friction, for the driving shaft of a rotor, and accommodation parts for the elements for reducing rotational friction. The motor also includes a rotor with a driving shaft, wherein the perimetric frame and pole shoes are mutually distinct elements joined with fixing components.
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
H02K 11/33 - Drive circuits, e.g. power electronics
Valvular control circuit (10) comprising a first valve element (12) coupled with a manual drive member (20) to generate a pilot light (21), a second valve element (14) coupled with a second valve switch (15), a control and command unit (16) coupled with a DC/DC electric voltage converter (17) and able to command said second valve switch (15) by means of a command signal, wherein said valvular control circuit (10) comprises a first thermoelectric power source (22) coupled with the DC/DC electric voltage converter (17), and a second thermoelectric power source (23) coupled with at least one of either the first valve element (12) or the second valve element (14), said thermoelectric power sources (22, 23) both being fed by a pilot light (21).
Conveyor belts in synthetic material and modular conveyor
belts in plastic material.
54.
METHOD FOR DRIVING A VALVE FOR REGULATING THE FLOW RATE OF FUEL GAS TOWARDS A BURNER, IN PARTICULAR FOR CONDENSATION BOILERS HAVING HIGH POWER MODULATION
Method for driving a device for modulating a valve (1) regulating the flow rate of gas towards a burner (3), in particular of a condensation boiler having high power modulation, the valve together with the associated closure member thereof being designed so as to operate with a predetermined characteristic curve, the flow rate (Qgas) delivered being proportionally related to the strength of a first current signal (Imod) sent to the modulator such that the flow rate can be modulated, using said characteristic of proportionality, within a range of modulation between a maximum flow rate (Qgas_max) and a minimum flow rate (Qgas_min), and, so as to deliver controlled gas flow rates that are below said minimum flow rate (Qgas_min), thereby extending the range of modulation into minimum deliverable flow rate values, provision being made to drive the modulator with a second PWM voltage signal capable of generating a particular second PWM current signal (Imod'), so as to move the closure member of the valve according to the second signal. Furthermore, the terms first (Ta) and second (Tb) time interval being given to the successive durations of the high signal and the low signal, respectively, the sum of which is equal to the period (T) of the second signal, with a duty cycle (dc) equal to the relationship Ta/T, the strength of the second current signal (Imod') is modulated: - by amplitude modulation of the second signal (Imod'), leaving the duty cycle constant, so as to vary the flow rate accordingly, or - by modulation of the duty cycle in the period (T), keeping a preset amplitude of the second signal constant relative to the first time interval, so as to vary the flow rate delivered accordingly.
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
H01F 7/18 - Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
55.
ELECTRIC MOTOR, IN PARTICULAR FOR FANS FOR COMBUSTION AIR, OR FOR AN AIR/COMBUSTION GAS MIXTURE, IN GAS BURNERS, STATOR ASSEMBLY FOR SUCH ELECTRIC MOTOR, AND METHOD OF ASSEMBLY FOR SUCH STATOR ASSEMBLY
An electric motor (10), particularly for fans for combustion air, or for an air/combustion gas mixture, in gas burners, which comprises: a stator assembly (11), which in turn comprises: - a lamination pack (12) which is provided with a perimetric frame (13) with at least one pair of pole shoes (14, 15), each one of which is constituted by a winding body (16, 17) and an expanded head (18, 19), - a frame (20) for supporting the lamination pack (12), - a spool of conducting wire (21, 22) for each pole shoe (14, 15), with the interposition of an insulating support (23, 24); - means for reducing rotational friction, for the driving shaft (26) of a rotor (25), - accommodation parts (27, 28) for the means for reducing rotational friction; and a rotor (25), with a driving shaft (26). The electric motor is characterized in that: - the perimetric frame (13) and the pole shoes (14, 15) are mutually distinct elements joined with fixing means (29); - each insulating support (23, 24) is constituted by an annular body (30, 31) with a through axial opening (32, 33) which is contoured to surround a corresponding winding body (16, 17); - the supporting frame (20) for the lamination pack (12) is locked by interlocking between the perimetric frame (13) of the pack (12) and the insulating supports (23, 24).
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
56.
Method and system for controlling the operation of a burner
A method for controlling the operation of a burner, the burner including a control board with a first control unit and a first memory, which stores first values of operating parameters of the burner, and a display device, which displays one or more items of data relating to the functioning of the burner, the display device including a second memory, which stores second values of operating parameters of the burner, each first and second operating parameters being capable of being changed over time. The method includes setting for each operating parameter at least one first value in the first memory, and at least one second value in the second memory; comparing, for each operating parameter, a corresponding first value and second value; if the first value and the second value are different, changing one of the first or second values, so that the first and second values are the same.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Pressure switches; Pressure reducers; Pressure valves; Multifunctional mechanical controllers. Electrical controllers; Multifunctional electrical controllers; Electric control apparatus; Temperature controlling apparatus and Gasometers; Parts and components for all of the aforesaid goods; Converters, electric; Electric modulation controllers, electric on-off controllers, thermostat controllers, thermocouples, electric air/gas modulation controllers; Pressure regulators. Regulating apparatus for heating systems; Security apparatus for heating systems; Gas burner control apparatus, gas burner apparatus incorporating temperature control devices; Pilot burners; Igniters; Friction lighters for igniting gas; Dampers (parts of heating installations), filters for gas pilot lights; Regulating accessories for water or gas apparatus; Regulating and safety accessories for gas apparatus; Parts and fittings for all of the aforesaid goods; Apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, except pipes, equipment and supports for pipes, or connecting rods for pipes, all the aforesaid goods being for gas and water installations, and underground waste pipes of metal and/or plastics.
Recirculating ball linear guides for precision machinery; Recirculating ball screws; Linear bearings; Driving devices for machines; Bearings; Ball-bearings; Bearings for transmission shafts; Journal boxes [parts of machines]; Machine belts.
Transmission and transport belts made of rubber and synthetic materials for machines, motors and engines used in industrial applications, specifically excluding land vehicles
61.
Method for monitoring and controlling combustion in fuel gas burner apparatus, and combustion control system operating in accordance with said method
A method is provided for monitoring and controlling combustion in a burner of a fuel gas apparatus, having a sensor with an electrode able to be supplied by a voltage generator and connected to an electronic circuit for measuring the resultant potential. The method includes acquiring and processing data from experimental conditions and a second phase of evaluating the desired combustion characteristic, under an actual operating condition of the burner. A plurality of experimental combustion conditions for the burner are preselected, applying to the burner, in each condition, a power and a further significant parameter of the combustion characteristics, under each of the experimental conditions applying an electrical voltage signal to said electrode and carrying out a sampling of the response signal, calculating, based on the sequence of sampled values, the characteristic parameters of the waveform of the signal for each of the experimental conditions.
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
What is described is an air-gas mixer device for premix burner equipment of boilers, particularly of condensing boilers, comprising flow guide means for guiding an air-gas mixture to the intake section (2a) of a centrifugal fan (2) with an impeller (4) driven in rotation about a first axis (X), the guide means including a tubular Venturi effect conduit structure (6) with contiguous converging and diverging portions (6a, 6b) developed in an axially symmetric manner about a second axis (Y), a section being provided between the portions of conduit into which section the gas flow is delivered for mixing with the air flow supplied through the converging portion (6a) of the conduit. The conduit (6) is in communication with the intake section (2a) of the fan, downstream of the diverging portion (6b) with respect to the direction of the flow, and the impeller (4) of the fan is housed in a scroll manifold (5) including a housing (5a) for receiving the impeller (4) and a cover plate (5b) to close the housing (5a), a through aperture (7) being formed in the cover plate (5b) to put the Venturi effect conduit (6) into communication with the intake section (2a) of the fan. The axis of rotation (X) of the fan (2) does not coincide with the axis (Y) of longitudinal development of the Venturi effect conduit (6), the offset between the first and second axes (X, Y) being chosen so as to allow the mixer device to have a valve unit (3) mounted on it for supplying the gas flow into the Venturi effect conduit (6) with a configuration in which the projection of the overall dimensions of the Venturi effect conduit (6) and of the valve unit (3), in the direction of the axis of rotation (X), lies substantially and predominantly within the projection of the cover plate (5b) of the fan in the direction of the axis of rotation (X).
F23D 14/36 - Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
F23D 14/64 - Mixing devicesMixing tubes with injectors
65.
METHOD AND SYSTEM FOR CONTROLLING THE OPERATION OF A BURNER
A method for controlling the operation of a burner, the burner including a control board (6) associated with a first control unit (2) and a first memory (3) capable of storing first values (ѴPF1,j,..,ѴPFi,j,.., ѴPFM,j) of operating parameters (PF1,..,PFi,..,PFM) of the burner, and a display device (7) for displaying one or more items of data relating to the functioning of the burner, the display device (7) including a second memory (5) capable of storing second values (Ѵ'PF1,j,..,Ѵ'PFi,j,.., Ѵ'PFM,j) of operating parameters (PF1,..,PFi,..,PFM) of the burner, each first and second value (ѴPFi,j, Ѵ'PFi,j), of the operating parameters (PF1,..,PFi,..,PFM) being capable of being changed over time. This method comprising the stages of: • setting for each operating parameter (PFi) at least one first value (ѴPFi,j) in the first memory (3), and setting for each operating parameter (PFi) at least one second value (Ѵ'PFi,j) in the second memory (5); ⋅ comparing, for each operating parameter (PFi), a corresponding first value (ѴPFi,j) and second value (Ѵ'PFi,j); • if the first value (ѴPFi,j) and the second value (Ѵ'PFi,j) are different, changing one of the first or second values (ѴPFi,j), (Ѵ'PFi,j) so that the first and second values (ѴPFi,j), (Ѵ'PFi,j) are the same.
A method is described for monitoring and controlling combustion in a burner (1) of a fuel gas apparatus, of the type comprising a sensor (8) with an electrode (El) located in or close to the flame and capable of being supplied by a voltage generator and also connected to an electronic circuit suitable for measuring the resultant potential at the electrode. The method comprises a first phase of acquiring and processing data from experimental conditions and a second phase of evaluating the desired combustion characteristic, under an actual operating condition of the burner. In the first phase a plurality of experimental combustion conditions for the burner (1) are preselected, applying to the burner in each of said conditions a power (PI, P2, Pn) and a further significant parameter of the combustion characteristics (Kl, K2, Km), under each of the experimental conditions applying an electrical voltage signal to said electrode (El) and carrying out a sampling of the response signal, calculating, on the basis of the sequence of sampled values, the characteristic parameters of the waveform of the signal for each of the experimental conditions, for the purposes of calculating a correlation function, on the basis of the acquired experimental data, capable of unambiguously correlating the power and the further significant parameter of the combustion characteristics with the characteristic parameters of the waveform of the signal at the electrode. The second phase comprises the steps of applying a voltage signal to the electrode (El) and carrying out sampling of the resultant response signal, calculating, on the basis of the sequence of sampled values, the characteristic parameters of the waveform of the response signal at the electrode, and calculating the estimated value of the desired combustion characteristic by using the correlation function.
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Electric control devices, electric control apparatus,
thermostats and gasometers, parts and components of all the
aforesaid goods; converters, electric; electric modulation
controllers, electric on-off controllers, thermostat
controllers, thermocouples, electric air/gas modulation
controllers. Gas burner control apparatus, gas burner apparatus
incorporating temperature control devices; pilot burners,
lighters, gas lighters; dampers (parts of heating
installations), filters for gas pilot lights; regulating
accessories for water or gas apparatus, regulating and
safety accessories for gas apparatus; parts and fittings for
all the aforesaid goods; apparatus for heating, steam
generating, cooking, refrigerating, drying, ventilating,
water supply and sanitary purposes, except pipes, equipment
and supports for pipes, or connecting rods for pipes, all
the aforesaid goods being for gas and water installations,
and underground waste pipes of metal and/or plastics.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
38 - Telecommunications services
Goods & Services
Measuring and checking instruments for managing electricity, gas and any other energy source; measuring and checking instruments for managing water consumption; all of the aforesaid goods not consisting in software. Services for improving efficiency in the use of electricity, gas and any other energy source in homes, businesses and public facilities; services for improving water consumption efficiency in homes, businesses and public facilities; installation and repair of measuring and checking instruments for managing electricity, gas and any other energy source; installation and repair of measuring and checking instruments for managing water consumption. Transmission of sounds, images and signals via telecommunication networks, wireless communication networks, the Internet, and other information exchange and data transmission networks; transmission of sounds, images and signals relating to the efficient use of energy sources and water.
A coupling for transmitting motion between two rotating shafts, including a pair of hubs and a flexible element, wherein each of the hubs includes at least one circumferential seat facing towards the flexible element and suitable to receive therewithin an end of the flexible element. To fasten the flexible element to each of the hubs there are provided retaining means, which include one or more cam surfaces suitable to receive in abutment corresponding opposed cam surfaces of screw clamping means.
F16D 3/72 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Machines et machines-outils; moteurs (à l'exception des
moteurs pour véhicules terrestres); accouplements et organes
de transmission (à l'exception de ceux pour véhicules
terrestres); instruments agricoles autres que ceux actionnés
manuellement; couveuses pour les oeufs. Appareils et instruments scientifiques, nautiques,
géodésiques, photographiques, cinématographiques, optiques,
de pesage, de mesurage, de signalisation, de contrôle
(inspection), de secours (sauvetage) et d'enseignement;
appareils et instruments pour la conduite, la distribution,
la transformation, l'accumulation, le réglage ou la commande
du courant électrique; appareils pour l'enregistrement, la
transmission, la reproduction du son ou des images; supports
d'enregistrement magnétiques, disques acoustiques;
distributeurs automatiques et mécanismes pour appareils à
prépaiement; caisses enregistreuses, machines à calculer,
équipement pour le traitement de l'information et les
ordinateurs; extincteurs. Appareils d'éclairage, de chauffage, de production de
vapeur, de cuisson, de réfrigération, de séchage, de
ventilation, de distribution d'eau et installations
sanitaires, à l'exception des tubes, des appareils et des
supports de tubes et des raccords pour ceux-ci, tous les
produits précités étant destinés à des installations à gaz
et à eau, et à l'exception des tubes de décharge
souterrains, composés de matériaux métalliques et/ou
plastiques.
A device for regulating the delivery pressure of gases, which is arranged for use with gases of various natures, comprises a valve unit having at least one valve seat (5) and a respective closure element (4) which is controlled by a diaphragm (6),first resilient actuator means which can be regulated and which act on the diaphragm (6) first means for regulating the resilient load exerted on the diaphragm (6) by the first lo resilient means, second resilient means which can be regulated and which can be activated selectively to exert an additional resilient load on the diaphragm (6), second means for regulating the load exerted by the second resilient means, the second regulating means including check means for the second resilient means, which check means can be associated selectively with the regulating device to convert it from a first operative configuration in which the second resilient means are inactive to a second configuration in which they are selectively activated to exert a preselected resilient load on the diaphragm.
G05D 16/06 - Control of fluid pressure without auxiliary power the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Gas valves of metal, except for pipes, mountings and pipe fittings as well as pipe-connection-elements therefore, made for below surface installed gas-, water- and waste-water-pipes and consisting of metal and/or plastics. Pressure switches, pressure regulators, pressure reducers, pressure valves. Electric control devices, electric control apparatus, thermostats and gasometers, parts and components of all the aforesaid goods; converters, electric; electric modulation controllers, electric on-off controllers, thermostat controllers, thermocouples, electric air/gas modulation controllers. Gas burner control apparatus, gas burner apparatus incorporating temperature control devices; pilot burners, lighters, gas lighters; dampers (parts of heating installations), filters for gas pilot lights; regulating accessories for water or gas apparatus, regulating and safety accessories for gas apparatus; parts and fittings for all the aforesaid goods; apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, except for pipes, mountings and pipe fittings as well as pipe-connection-elements therefore, made for below surface installed gas-, water- and waste-water-pipes and consisting of metal and/or plastics.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Machine parts, namely, power transmissions, power couplings, and transmission gears and components, including belts, pulleys, speed governors, motor bases, slides for motors and speed reducers Land vehicle parts, namely, transmissions, power couplings, and transmission gears and components, including belts, pulleys, speed governors, motor bases, slides for motors and speed reducers
Power transmissions; power couplings; tramsmission gears and components, like: belts, pulleys, speed governors, motor bases, slides for motors, speed reducers.
Organes et dispositifs de transmission, à savoir courroies
de transmission (à l'exception de ceux pour véhicules
terrestres), poulies (parties de machines), variateurs et
réducteurs de vitesse de machines ou de moteurs, supports et
glissières pour moteurs (autres que pour véhicules
terrestres).
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Systèmes de transmission à courroie et moufle; mécanismes de
transmission; courroies et moufles (de moteurs autres que
pour véhicules terrestres). Systèmes de transmission à courroie et moufle; mécanismes de
transmission; courroies et moufles (pour véhicules
terrestres).
