582results about "Pump/compressor arrangements" patented technology

A brake system for a motor vehicle includes a first electrically actuatable pressure source, a first control device, a second electrically actuatable pressure source, an electrically actuatable inlet valve for each wheel brake, an electrically actuatable outlet valve for each wheel brake, a second control device, and a pressure medium reservoir. The first and second pressure sources are connected to a brake supply line to which the inlet valves are connected. An electrically actuatable circuit separation valve is arranged in the brake supply line such that when the circuit separation valve is closed, the brake supply line is separated into a first line section and a second line section. The first line section is connected to the second pressure source and at least two inlet valves, and the second line section is connected to the first pressure source and the other inlet valves.

An electronic control unit for an electronic brake system, and a hydraulic assembly are disclosed. The electronic control unit comprises: a housing having a hydraulic block which is mounted on the front surface thereof and in which a plurality of valves, a flow path, and a pump are provided in order to regulate hydraulic brake pressure transmitted to a plurality of wheel cylinders; a control unit for controlling the plurality of valves and a motor which is accommodated in the housing and provides power to the pump; a first connector provided at the front surface of the housing so that the control unit can be electrically connected to an external device; and a second connector, wherein the first connector is disposed above the position at which the hydraulic block is mounted, and the second connector can be disposed below a reservoir mounted at a first side surface of the hydraulic block.

A brake system for a motor vehicle having at least four hydraulically actuable wheel brakes includes a first structural unit (100), in which a first electrically actuable pressure source is arranged, a second structural unit, in which a second electrically actuable pressure source, an electrically actuable inlet valve per wheel brake, and an electrically actuable outlet valve per wheel brake is arranged, and a pressure medium reservoir. The first pressure source and the second pressure source are connected to a brake supply line, to which the at least four inlet valves are connected. The first structural unit and the second structural unit are connected to each other by at most one pressure-resistant hydraulic connecting element.

A display control device for a support system includes a number-of-charging-lights determination unit for determining the number of charging lights, which corresponds to state-of-charge which ranges from maximum state-of-charge of a driving battery to a charge threshold and is assigned to a plurality of segments; a number-of-output-lights determination unit for determining the number of output lights, which corresponds to a difference, where a requested output ranging from an output that can be output to an output threshold is assigned to the plurality of segments; and a number-of-lights instruction unit for instructing a display device to light up the least number of segments of the number of charging lights or the number of output lights, when an EV priority mode is selected.

The invention relates to a compressed air system (1) of a motor vehicle, in particular of a towing vehicle of a towing vehicle-trailer combination, comprising a compressed air supply system (2), wherein the compressed air supply system (2) includes a compressor connection (10) for a compressor (9) and, as separate units: an air dryer unit (3) with a replaceable air dryer cartridge (4) and a base (5) for the air dryer cartridge (4), a pressure control unit (6) with a first valve assembly (7) and a first control or regulating electronics unit (8) which includes routines for pressure regulation, and with at least one supply air outlet (11), wherein the first control or regulating electronics unit (8) controls the first valve assembly (7) at least in the sense of a pressure regulating function.to generate a pressure-controlled supply of compressed air for at least one compressed air reservoir (12) from the compressed air supplied through the compressor connection (10) at the at least one supply air outlet (11), wherein a compressed air connection is provided between the air dryer assembly (3) and the compressed air control and distribution assembly (6), which includes or is formed by at least one pneumatic line (13).

The invention provides a hydrogen fuel electric light truck whole truck structure. The hydrogen fuel electric light truck whole truck structure comprises a cab, a container, a truck frame, a hydraulic tail plate system, a hydrogen system, an electric system, a cooling system and an air brake system. The hydraulic tail plate system comprises a hydraulic tail plate, a hydraulic tail plate oil original tank, a hydraulic tail plate controller and a hydraulic tail plate cross beam; the hydrogen system comprises a hydrogen fuel electric pile, a left hydrogen storage tank, a right hydrogen storage tank, an air inlet air filter and an exhaust silencer; the power system comprises a battery pack, an all-in-one unit, a DCDC, a DCAC, a PTC, a hydrogen stack high-voltage box, a battery high-voltage box, a charging port and a low-voltage power supply unit; the cooling system comprises a high-pressure radiator, a low-pressure radiator, a low-pressure radiator water replenishing tank, a high-pressure radiator water replenishing tank, an air conditioner condenser, an air conditioner electric compressor and an integrated kettle; the air brake system comprises an inflating pump, a drying tank, a lower air cylinder, an upper air cylinder, a front axle and an electric drive axle. The layout of the whole truck can be optimized, so that the hydrogen fuel electric light truck can be compatible with an air brake and a hydraulic tail plate.

The invention provides a monitoring method of a locomotive air source system and related equipment, and relates to the technical field of locomotives. The method comprises the steps that the air quality index of compressed air, the first operation index of a compressor and the second operation index of a dryer are monitored, and when any one or more of the air quality index, the first operation index and the second operation index meet abnormal conditions, alarm information is output. The locomotive air source system can be monitored in real time in all directions, the states of the compressor and the dryer in the locomotive air source system can be monitored in real time, and the air quality of compressed air output by the locomotive air source system can also be monitored in real time.

A compressed air compressor system for the provision of compressed air is proposed, comprising a drive, a compressor system and a control system. According to the invention, the compressor system is a system composed of different units by which the air can be compressed in stages, one unit being a reciprocating compressor.

A passenger car multi-system integration system includes at least an air compressor and a liquid tank. The air compressor and the liquid tank have exterior walls that at least partially contact. During operation of the air compressor, heat as a byproduct is transferred from the air compressor to the liquid tank by conduction, and is then transferred to the contents of the liquid tank by convection. The passenger car multi-system may also include at least one electromagnetic clutch in communication with the motor and the air compressor or the motor and a water pump, such that power can be optionally directed to the air compressor or the water pump during operation of the motor.

An electrohydraulic brake control device (200) for a motor vehicle for at least four hydraulically actuatable wheel brakes (8a-8d), said brake control device comprising an electrically actuatable pressure source (2), an electrically actuatable inlet valve (6a-6d) for each wheel brake, an electrically actuatable outlet valve (7a-7d) for each wheel brake, and a brake supply line (13), to which the at least four inlet valves (6a-6d) are connected, wherein an electrically actuatable circuit separation valve (40) is arranged in the brake supply line (13) in such a way that, when the circuit separation valve (40) is closed, the brake supply line (13) is hydraulically separated into a first line section (13a) and a second line section (13b), wherein the brake control device (200) comprises at least four hydraulic wheel ports (9a-9d) for connection to the wheel brakes (8a-8d), wherein the brake control device (200) comprises a first hydraulic port (62) for connection to a pressure medium reservoir (4) and a second hydraulic port (61) for connecting a further pressure source (5) to the brake control device (200), wherein the first line section (13a) of the brake supply line (13) is hydraulically connected to the electrically actuatable pressure source (2) and at least two of the at least four inlet valves (6a, 6b), and the second line section (13b) of the brake supply line (13) is hydraulically connected to the second hydraulic port (61) and the other of the at least four inlet valves (6c, 6d), and a brake system for a motor vehicle comprising such a brake control device (200).

A pneumatic system for a vehicle, comprising an air compressor for pressurizing an air tank. A flow passage extending from compressor is bifurcated to a first valve and to a second valve. The first valve has a first state preventing air from passing to the air tank, and has a second state allowing air to pass to the air tank. In a first mode of operation of the pneumatic system, the first vale is in said first state and the second valve controls air flow from the compressor to ambient environment. The second valve is configured to change to, or remain in, an open state when the pressure of the air upstream of the second valve is higher than a predetermined threshold, and to change to, or remain in, a closed state when the pressure of the air upstream of the second valve is lower than the predetermined threshold.

An electric energy dissipating system for a vehicle. An air flow producing unit provides a pressurized air flow through a fluid conduit. A polyphase electric machine runs on a predefined number of phases. The air flow producing unit is mechanically connected to, and operated by, the electric machine. An electric brake resistor arrangement is located downstream of the air flow producing unit, and comprises one resistor unit for each one of said phases. An electric power system is configured to receive electric power generated by an electric traction motor during braking of the vehicle. The power system comprises an inverter which converts a DC input into a polyphase AC output. The electric machine and the resistor arrangement are electrically connected to the inverter in parallel, such that each phase of the AC output of the inverter is connected to a respective phase of the electric machine and to a respective resistor unit, in parallel.

A braking system for a motor vehicle for actuating hydraulically actuated wheel brakes, comprising electrically actuated inlet and outlet valves for each wheel brake, a first and a second electrically actuated pressure source, and a reservoir, wherein the first pressure source is hydraulically connected on the pressure side to the inlet valves of a first brake circuit via a first isolating valve, and is additionally hydraulically connected on the pressure side to the inlet valves of a second brake circuit via a second isolating valve, wherein the second pressure source comprises a first and a second pressure outlet, wherein the first pressure outlet is hydraulically connected to the inlet valves of the first brake circuit, and the second pressure outlet is hydraulically connected to the inlet valves of the second brake circuit, wherein the reservoir comprises a first chamber, a second chamber, and a third chamber,wherein the first pressure source is hydraulically connected to the first chamber on the suction side, wherein a first suction inlet of the second pressure source is hydraulically connected to the second chamber, and wherein a second suction inlet of the second pressure source is hydraulically connected to the third chamber, wherein the outlet valves of the first brake circuit are hydraulically connected to the second chamber, and the outlet valves of the second brake circuit are hydraulically connected to the third chamber.

A passenger car multi-system integration system includes at least an air compressor and a liquid tank. The air compressor and the liquid tank have exterior walls that at least partially contact. During operation of the air compressor, heat as a byproduct is transferred from the air compressor to the liquid tank by conduction, and is then transferred to the contents of the liquid tank by convection. The passenger car multi-system may also include at least one electromagnetic clutch in communication with the motor and the air compressor or the motor and a water pump, such that power can be optionally directed to the air compressor or the water pump during operation of the motor.

Brake system (1) for a vehicle is provided, comprising a first hydraulic circuit (10) including a first wheel brake (11), a second hydraulic circuit (20) including a second wheel brake (21), a first hydraulic pressure supplier (12) including an actuator for pressurizing the first hydraulic circuit (10) in a normal operating mode, a second hydraulic pressure supplier (22) including an actuator for pressurizing the second hydraulic circuit (20) in the normal operating mode, a cut-off valve (30) hydraulically connecting the first and second hydraulic circuits (10, 20), a first control unit (14) for controlling the cut-off valve (30) and activating the first hydraulic pressure supplier (12) and the second hydraulic pressure supplier (22) depending on a brake request, and a second control unit (24) for controlling the cut-off valve (30) and activating the first hydraulic pressure supplier (12) and the second hydraulic pressure supplier (22) depending on a brake request.

The invention discloses an energy recovery control method, a storage medium and an air management system.The energy recovery control method is used for a vehicle, the vehicle comprises an air compressor and a drying tank, an exhaust valve is arranged in the drying tank, and the control method comprises the steps that it is determined that the vehicle has an energy recovery function, and vehicle running state parameters are obtained; and determining that the vehicle running state parameters meet an energy recovery mode entering condition, controlling the vehicle to enter an energy recovery mode, and in the energy recovery mode, controlling an exhaust valve to be closed and controlling an air compressor to execute inflation operation. According to the energy recovery control method, the air compressor is controlled to enable, so that part of kinetic energy in the vehicle running process can be recovered, oil consumption is reduced, and carbon emission is reduced.

The invention provides a self-adaptive energy-saving control method, device, equipment, system and vehicle, and relates to the technical field of vehicle control. The method comprises the steps that if the new energy vehicle is in a parking mode, the trailer connection state of a tractor is detected; if the tractor is connected with the trailer, a gas circuit electromagnetic valve arranged on a main gas circuit pipeline between the tractor and the trailer is controlled to be opened, and a blast pump is started to charge the pressure of a trailer gas storage cylinder on the tractor to a preset initial pressure maintaining threshold value; after the preset initial pressure maintaining threshold value is reached, the inflation pump is controlled to stop working, pressure monitoring is conducted on the trailer air cylinder, and the monitored pressure value of the trailer air cylinder is obtained; determining the leakage level of the trailer brake circuit according to the monitored pressure value; and according to the leakage grade, the air path electromagnetic valve and the blast pump are correspondingly controlled. The air pump can be prevented from being frequently awakened in the parking process, energy consumption and noise are reduced, the driving range of the whole vehicle is increased, rest comfort is improved, and the service life of the air pump is prolonged.

Scroll compressor arrangement (1) for generating compressed air for a compressed air supply system (2) of a vehicle, comprising a scroll compressor (3) which has a stationary spiral (4), a spiral (5) that can be orbited around the stationary spiral, and an inlet and an outlet, wherein the compressed air supply system has a storage pressure reservoir (19), and wherein an electronically controlled valve device (15) is functionally connected to the inlet and / or the outlet of the scroll compressor in such a way that the scroll compressor can be switched between two operating modes by means of the valve device, wherein in the first operating mode ambient air (14) can be drawn in through the inlet, and wherein in the second operating mode pre-compressed air from the storage pressure reservoir (19) or from the outlet (12) of the scroll compressor can be drawn in through the inlet.It is provided that two inlets (10, 11) are formed on the scroll compressor, that the first inlet (10) is connected on the inlet side to a first controllable 2 / 2-way valve (16) by means of which it can be connected to or shut off from the ambient air, that the first inlet (10) is pneumatically connected on the outlet side to a first inlet chamber (25) formed in the stationary spiral (4), that the second inlet (11) is connected on the inlet side to a second controllable 2 / 2-way valve (17) by means of which it can be connected to or shut off from the storage pressure reservoir (19) or the outlet (12), and that the second inlet (11) is connected on the outlet side to a second inlet chamber (27) formed in the stationary spiral (4).

The invention discloses a vacuum pump assembly, which belongs to the technical field of vacuum and comprises a vacuum pump and a rotary air nozzle rotatably connected to an air inlet of the vacuum pump, and an included angle is formed between the air inlet direction of the rotary air nozzle and the rotating axis of the rotary air nozzle; the vacuum pump further comprises a silencer, the silencer is fixedly installed at an air outlet of the vacuum pump, an exhaust pipe is further installed at the exhaust end of the silencer, and the exhaust pipe is provided with a one-way exhaust structure. The vacuum pump is further provided with a shock pad. According to the vacuum pump assembly, the rotary air nozzle capable of freely rotating is installed at the air inlet of the vacuum pump assembly, so that the initial air inlet direction of the vacuum pump assembly can be changed by rotating the rotary air nozzle, and a vacuum pipe can be conveniently arranged between the vacuum pump assembly and the vacuum booster. Through the arrangement of the silencer and the one-way exhaust structure, the operation noise of the vacuum pump assembly can be effectively reduced, and external pollutants can be effectively prevented from entering the vacuum pump assembly. Through the arrangement of the shock pad, the vibration of the vacuum pump assembly during operation can be effectively reduced, and the comfort of a vehicle is improved.

The invention relates to a compressed-air module system for a utility vehicle, comprising a plurality of compressed-air components (46-58) and a mounting device (26) which can be attached to a vehicle frame (10) of the utility vehicle. The mounting device (26) and at least some of the plurality of compressed-air components (46-58) can be combined into a first compressed-air module (24A), wherein the first compressed-air module (24A) comprises an air compressor (56). The mounting device (26) and at least some of the plurality of compressed-air components (46-58) can be combined into a second compressed-air module (24B), wherein the second compressed-air module (24B) comprises, in place of the air compressor (56), at least one compressed air reservoir (58) from the plurality of compressed-air components (46-58).

The invention provides a vehicle chassis structure, and relates to the technical field of vehicles. The structure comprises a frame, a plurality of axles, a battery assembly, an electric appliance integration assembly, a brake assembly, a steering assembly and a suspension assembly, the plurality of axles comprise a first axle, a second axle, a third axle, a fourth axle and a fifth axle, and the plurality of axles, the battery assembly, the electric appliance integration assembly, a driving assembly, the brake assembly, the steering assembly and the suspension assembly are arranged on the frame; the battery assembly is located between the first shaft and the second shaft, the electric appliance integration assembly is arranged above the first shaft, and the battery assembly is connected with the electric appliance integration assembly; the brake assembly is connected with the multiple axles and used for controlling the multiple axles to brake. The steering assembly is used for controlling the first shaft, the second shaft and the fifth shaft to steer; the suspension assembly is used for controlling the third shaft, the fourth shaft and the fifth shaft to ascend and descend, and the loading performance of the vehicle is improved.

The passenger car integrated system comprises an air compressor and a cleaning system, the air compressor is connected with a first pressurization air storage tank and a second pressurization air storage tank, and the air compressor, the first pressurization air storage tank and / or the second pressurization air storage tank are / is connected with a pneumatic damping system; the cleaning system comprises a water tank, a water pump and at least one nozzle which are sequentially connected, the nozzle is in pneumatic communication with the air compressor, the first pressurized air storage tank and / or the second pressurized air storage tank and in hydraulic communication with the water tank, and gas or liquid sprayed out of the nozzle makes contact with the electronic sensor so that the surface of the electronic sensor can be cleaned. Parts such as the air compressor and the pressurizing air storage tank sharing the pneumatic damping system are matched with the cleaning system and other air supply and / or water supply systems, the integration degree is improved, and the service life of the air compressor is prolonged; and thermal communication is established between the air compressor and the water tank, so that the operation efficiency and the energy utilization rate of the whole passenger car integrated system can be improved.

A method for determining a vacuum degree threshold value. The method comprises: acquiring the current altitude signal of a vehicle; when the current altitude signal is invalid, acquiring a vacuum degree threshold value and a standard working time, which correspond to a historical altitude signal that was received by an electronic vacuum pump of the vehicle last time, wherein the vacuum degree threshold value comprises a vacuum degree turn-on threshold value and a vacuum degree turn-off threshold value, and the standard working time comprises a preset working time of the electronic vacuum pump corresponding to the historical altitude signal; acquiring the actual working time of the vacuum degree threshold value corresponding to the historical altitude signal of the electronic vacuum pump when the current working cycle is completed; and when the difference between the actual working time and the standard working time exceeds a preset range, updating, according to the difference, the vacuum degree threshold value corresponding to the historical altitude signal, and taking the updated vacuum degree threshold value as a target vacuum degree threshold value of the next working cycle. When an altitude signal is invalid, a target vacuum degree threshold value of the next working cycle can be determined. Further provided are an apparatus for determining a vacuum degree threshold value, and a computer storage medium, an electronic device and a computer program.

To provide a hydraulic control unit for a saddle-riding type vehicle, which includes a pump for moving a brake fluid and a holder for holding a filter through which the brake fluid passes in the pump, can be miniaturized, and can prevent the holder from not being provided in a prescribed posture.SOLUTION: The hydraulic pressure control unit includes a base body in which an internal flow path that allows a wheel cylinder and a master cylinder to communicate with each other is formed, and a pump that moves a brake fluid in the internal flow path, wherein the base body includes a recessed portion in which the pump is provided, the pump includes a cylinder in which a compression chamber that compresses the brake fluid is formed, a piston portion whose input-side end portion is pressed by a motor and whose partition-side end portion is inserted into the compression chamber to partition the compression chamber, and a holder that holds a filter through which the brake fluid flowing into the inflow flow path passes, and the holder includes an abutting portion whose base end portion is connected to the cylinder and that abuts on a wall surface of the recessed portion.SELECTED DRAWING: Figure 3

A system and a vehicle are described. An illustrative system includes a vacuum chamber and one or more components of a motor. The one or more components of the motor may be provided in the vacuum chamber and may be configured to move in a partial or complete vacuum created within the vacuum chamber.

A vehicular apparatus (VA; VA') to produce compressed air includes an internal combustion engine (ICE; ICE'), a pneumatic supply circuit (BC) to supply a braking device (BD), a gas receiver device (T, IM, GL) distinct from the pneumatic supply circuit (BC), compression means (TC, CY') to compress air, a compressor (C), a first supply line (L1), which connects an outlet of the compressor (C) to the pneumatic supply circuit (BC), supply means (L2, LU) to draw compressed air downstream of the compression means (TC, CY') and convey said compressed air to an inlet of the compressor (C), and a third supply line (L3), which connects the outlet of the compressor (C) to the gas receiver device (T, IM, GL) .

The present invention provides a vehicle braking system and a vehicle. The vehicle braking system (1) comprises a brake fluid control assembly (100), connecting oil pipes (300), and a brake master cylinder assembly (200). The brake fluid control assembly comprises an oil circuit block (110) and a pressure booster (120). The pressure booster is mounted on the oil circuit block. Oil circuit block ports (111) are provided on the side of the oil circuit block, and one end of each connecting oil pipe is connected to an oil circuit block port, and the brake master cylinder assembly and the brake fluid control assembly are arranged separately. Assembly ports (210) are provided on the outer circumferential surface of the brake master cylinder assembly, and the other end of each connecting oil pipe is connected to an assembly port. The brake master cylinder assembly communicates with the brake fluid control assembly by connecting oil pipes, and both the brake master cylinder assembly and the pressure booster can be driven to output brake fluid from the oil circuit block.

Brake system (1) for a vehicle is provided, comprising a first hydraulic circuit (10) including a first wheel brake (11), a second hydraulic circuit (20) including a second wheel brake (21), a first hydraulic pressure supplier (12) including an actuator for pressurizing the first hydraulic circuit (10) in a normal operating mode, a second hydraulic pressure supplier (22) including an actuator for pressurizing the second hydraulic circuit (20) in the normal operating mode, a cut-off valve (30) hydraulically connecting the first and second hydraulic circuits (10, 20), a first control unit (14) for controlling the cut-off valve (30) and activating the first hydraulic pressure supplier (12) and the second hydraulic pressure supplier (22) depending on a brake request, and a second control unit (24) for controlling the cut-off valve (30) and activating the first hydraulic pressure supplier (12) and the second hydraulic pressure supplier (22) depending on a brake request, wherein the first control unit (14) and / or second control unit (24) are configured for keeping the cut-off valve (30) closed in the normal operation mode and to open the cut-off valve (30) in an emergency mode or in a pressure balancing mode, wherein the first hydraulic pressure supplier (12) is hydraulically connected to both the first hydraulic circuit (10) and the second hydraulic circuit (20) for pressurizing said hydraulic circuits (10, 20) in the emergency mode or wherein the second hydraulic pressure supplier (22) is hydraulically connected to both the first hydraulic circuit (10) and the second hydraulic circuit (20) for pressurizing said hydraulic circuits (10, 20) in the emergency mode.

Method (200) for detecting free energy and utilizing the free energy in at least one vehicle-side system (160), characterized by - Simulation (201) of at least one future speed profile v sim for an actual vehicle speed v ist on a road section located in front of a vehicle (100), wherein the simulation is based on information about the road section which is still in front of the vehicle (100) at the time of the simulation (201); - Detection (202) based on at least one future speed profile v sim , whether free energy will be available for the vehicle on the road segment captured by the simulation (201), where available free energy is defined as excess energy that the vehicle (100) can use during a simulated period of rolling (rolling) sim ) and during a simulated active braking process (braking)sim ) has, if the simulated period of rolling (rolls sim ) the simulated active braking process (braking) sim ) follows, where the free energy in the simulated rolling period (rolling) sim ) and during the simulated active braking process (braking) sim ) can be exploited; - if the simulation shows that an active actual braking process (braking) ist ) is required, pre-braking of the vehicle (100) before the active actual braking process (braking) ist ); and - Use (203) of the available free energy to replenish at least one energy storage device in at least one vehicle-side system (160) that draws energy from a powertrain of the vehicle (100), wherein the energy transfer to replenish the at least one energy storage device takes place before the active actual braking process (braking). ist ) begins.

The invention relates to a compressor module (10), in particular for a compressed-air supply system (20) of a vehicle. The compressor module (10) comprises a compressor (12) and a speed-regulated brushless electric motor (14) for driving the compressor (12). During operation of the electric motor (14), a motor current (IB) arises. The electric motor (14) is assigned motor electronics having an electronic commutator and speed regulation. The compressor module is connected to or comprises an electronic control unit (100). The electronic control unit (100) is designed to specify, according to the average motor current (IB), one of at least two different target speeds for the electric motor (14), namely at least a predefined first target speed (n1, soll) and a predefined second target speed (n2, soll) which is less than the predefined first target speed (n1, soll), and to switch from specifying the predefined first target speed (n1, soll) to specifying the predefined second target speed (n2, soll) when the average motor current (IB) reaches or exceeds a specified motor-current current limit value (Imax; Imax, red).