445results about "Pump/compressor arrangements" patented technology

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.

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.

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 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.

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.

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 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 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.

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).

The invention relates to the technical field of hydrogen fuel cells, in particular to a locomotive hydrogen fuel cell, an air braking system and a centralized air supply method of the locomotive hydrogen fuel cell and the air braking system. Comprising a first buffer air cylinder and a second buffer air cylinder which are located in the center of a system, one end of the first buffer air cylinder is connected with one end of the second buffer air cylinder, a second check valve is arranged on a connecting pipeline, a pressure sensor is arranged at the end of the extending end of the connecting pipeline, and one end of the first buffer air cylinder is connected with a fuel cell through a pipeline. A pressure reducing valve is arranged on a pipeline connecting the first buffer air cylinder and the fuel cell, the other end of the first buffer air cylinder is connected with an air compressor through a pipeline, an air purifying device and a first check valve are arranged on a pipeline connecting the first buffer air cylinder and the air compressor, and the other end of the second buffer air cylinder is connected with an air braking system. The system is provided with a plurality of air compressor sets, and normal operation of the locomotive cannot be affected even if a single air compressor breaks down.

The invention relates to a method for operating an electric motor (1), in particular a piston pump (9), wherein the electric motor (1) has a rotor shaft (3) and is driven with a target rotational speed (n soll ) and a target direction of rotation for the rotor shaft (3) depending on a power requirement, wherein an actual rotational speed (n Ist ) of the rotor shaft (3) is monitored. The method according to the invention is characterized in that the target direction of rotation is changed for a predetermined period of time (t) when the actual rotational speed (n Ist ) is equal to zero and the target rotational speed (n soll ) is not equal to zero, and the electric motor (1) is then driven again with the target rotational speed (n soll ) and the target direction of rotation.

The utility model provides a loader booster pump arrangement structure, which belongs to the technical field of loaders and comprises a plurality of booster pumps and a brake valve, the booster pumps are arranged below a loader cab side by side, the brake valve is arranged in the loader cab, and the brake valve is connected with the booster pumps through brake air pipes. By shortening the distance between the booster pump and the brake valve, the air pressure loss between the booster pump and the brake valve is reduced, so that the brake performance of a vehicle is ensured.

The utility model relates to the technical field of vehicles, in particular to a support structure, a braking system and a vehicle. The support structure comprises a first mounting assembly and a second mounting assembly, the first mounting assembly comprises bearing pieces and connecting pieces arranged in pairs, the connecting pieces arranged in pairs are arranged at intervals in the X direction, the bearing pieces are connected between the connecting pieces arranged in pairs, the connecting pieces are used for being connected with a frame longitudinal beam, and the bearing pieces are used for being connected with an air compressor; the second mounting assembly is connected to one of the connecting pieces arranged in pairs, the second mounting assembly is arranged on the side, away from the bearing piece, of the connecting piece in the X direction, the second mounting assembly comprises a first mounting piece and a second mounting piece, the first mounting piece and the second mounting piece are sequentially arranged in the Y direction, the first mounting piece is used for being connected with a dryer, and the second mounting piece is used for being connected with the dryer. The second installation part is used for being connected with an air filter. According to the support structure, the space utilization rate can be increased, wiring harness arrangement is simplified, and therefore the safety and reliability of a vehicle are improved.

The invention provides an oil-gas pump all-in-one machine and a vehicle, and the oil-gas pump all-in-one machine comprises a driving motor which is provided with a driving shaft with two output ends; the steering oil pump is connected with a shell of the driving motor, and an input shaft of the steering oil pump is connected with the first end of the driving shaft; an input shaft of the air compressor is connected with the second end of the driving shaft through an electromagnetic clutch; the pressure sensor is connected with the steering oil pump, and the pressure sensor is used for detecting the pressure of an oil outlet of the steering oil pump; the controller is connected with a shell of the driving motor, the controller is electrically connected with the driving motor, the pressure sensor and the electromagnetic clutch, the controller is used for regulating and controlling the rotating speed of the driving motor according to the pressure of the oil outlet, and the controller is further used for controlling combination and separation of the electromagnetic clutch. According to the scheme, dynamic adjustment of the oil pressure of the steering oil pump is achieved, and the technical problem that dynamic control over the oil pressure of the steering oil pump cannot be achieved in the prior art is solved.

The invention relates to an air pressure control system of an automobile braking system, which comprises an air compressor, a control element integrated in the air compressor and used for converting received direct current into three-phase alternating current for driving the air compressor; only a detection assembly and a valve assembly are integrated in the dryer, and the detection assembly is used for obtaining pressure data of the output end of the dryer; and the vehicle control unit is used for acquiring the pressure data sent by the detection assembly and controlling the start and stop of the air compressor and the opening and closing of the valve assembly according to the pressure data. The control piece is directly integrated in the air compressor, meanwhile, an independent controller in a dryer is omitted, unified coordination control is achieved through the whole vehicle controller, the structure of a braking system is remarkably simplified, the hardware cost is reduced, meanwhile, the air compressor integrated with the control piece can achieve autonomous electric conversion, and the electric conversion efficiency is improved. Therefore, one set of system can adapt to different vehicle types without recalibration, and the reliability and universality of the braking system are greatly improved.

Hydraulic unit of an electronically controlled brake system, comprising a modulator block (80) with several receiving bores (164, 181 to 185) in which several valves (64, 81 to 84) and pressure sensors (85a, 85b) coupled to a master cylinder (20) are installed to control hydraulic brake pressure supplied to vehicle wheels, wherein passages (180) connecting the receiving bores are formed in the modulator block (80) and the passages (180) are formed such that they are divided into two layers (P1, P2), wherein the receiving bores (164, 181 to 185), in which an inlet valve (81), an outlet valve (82), a start valve (83), a simulation valve (64), a pressure sensor (85a, 85b) and a switching valve (84) are installed, are formed in one surface of the modulator block (80) and the receiving bore (186), in which a shut-off valve (86) is installed, is formed in the other surface of the modulator block (80), wherein the multiple receiving bores (164, 181 to 185) formed in a surface of the modulator block (80) have installed the inlet valve (81), the outlet valve (82), the start valve (83), the simulation valve (64), the pressure sensors (85a, 85b) and the switching valve (84) in this order.

The present disclosure relates to a disc braking system (10), comprising: a brake disc (12); first and second perforated brake pad arrangements (14,16) each comprising a brake pad (52), and each having a backside (18) facing away from the brake disc (12) and a frontside (20) facing the brake disc (12) and being configured to interact with the brake disc (12) upon the disc braking system (10) being operated; an air blowing arrangement (22) arranged to blow air into a space between the frontsides (20) of the first and second brake pad arrangements (14,16) and the brake disc (12); and an air suction arrangement (24) coupled to the backsides (18) of the first and second brake pad arrangements (14,16) and being controllable to suck dust resulting from braking through the first and second brake pad arrangements (14,16), wherein the air blowing arrangement (22) comprises an expansion valve (26), a perforated plate (28), and a diffuser (30) in series.

The utility model relates to the technical field of automobile brake pumps, in particular to an efficient heat dissipation automobile brake pump which comprises a brake pump body, a plurality of first cooling fins are arranged on the surface of the brake pump body in the front-back direction, and the surface of the brake pump body is connected with a ventilation hood through a plurality of second installation blocks. A semiconductor chilling plate is arranged on the inner wall of the rear portion of the ventilation hood, a second fan is rotationally connected to the inner wall of the ventilation hood through two second fan supports, a shielding block is arranged at the front end of the first mounting block, and a cold air control device is arranged outside the shielding block. After the semiconductor chilling plate is powered on, refrigeration can be conducted on the cold end face of the semiconductor chilling plate, when the brake pump body works, the second fan is started, and cold air can be blown out through the second fan. By means of the heat dissipation mode, corrosion of a shell of the brake pump body cannot be caused, and the service life of the brake pump cannot be affected.

A vehicle brake system, includes a brake fluid control assembly and a brake master cylinder assembly. The brake fluid control assembly a manifold block, and a pressure buildup device mounted at the manifold block. The brake master cylinder assembly is in communication with the manifold block. The brake master cylinder assembly and the pressure buildup device drive brake fluid to be output via the manifold block. A central axis of the brake master cylinder assembly is non-perpendicular to a first axis along a movement direction of a piston of the pressure buildup device.

Air preparation unit (102) for a brake system (100) of a commercial vehicle, wherein the air preparation unit (102) has the following features: a foot brake module connection (114) for pneumatic or electrical and pneumatic coupling of the air preparation unit (102) with a foot brake module (116) of the brake system (100); at least one valve unit (110) for applying a control pressure to the foot brake module connection (114) for actuating the foot brake module (116); and a control unit (118) for controlling the valve unit (110), characterized by the fact that wherein the control unit (118) is coupled or can be coupled to at least one wheel speed sensor (122) of the commercial vehicle and is configured to control the valve unit (110) and / or at least one control valve (126; 200) of an anti-lock braking system of the commercial vehicle using a wheel speed sensor signal (124) generated by the wheel speed sensor (122) and wherein the control unit (118) is configured to read / tap speed signals from the same sensor which supplies speed signals to an ABS / or EBS system of the commercial vehicle.

A vehicle air compressor comprises a crankcase having a longitudinal central axis. The vehicle air compressor also comprises a head assembly including (i) a rear face that lies in a plane transverse to the longitudinal central axis of the crankcase, (ii) an air inlet port oriented in the same plane as the rear face, (iii) an air outlet port oriented in the same plane as the rear face, (iv) a coolant inlet port oriented in the same plane as the rear face, and (v) a coolant outlet port oriented in the same plane as the rear face.