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Power steering pump for sale

Power steering pump for sale

Typically, the flow of the steering pump increases with the increase in pump speed. Below the starting speed of the oil pump, it needs to increase linearly, while above the starting speed, the flow does not increase significantly. This is because vehicles equipped with power steering systems hope that the operating flow of the system remains stable during normal speed driving, not varying with engine changes. It is unexpected that the flow of the oil pump increases with the rise in engine speed, leading to overly sensitive steering and causing the steering wheel to float. For cars at higher speeds, it is required that the flow moderately decreases with the increase in pump speed to enhance steering feel and improve safety during high-speed driving.

Efficient Power Steering Pump

Efficient Power Steering Pump

DARE AUTO is a leading manufacturer of Electric Hydraulic Power Steering (EHPS) pumps in China, primarily supplying global automotive OEM manufacturers. EHPS pumps consist of components such as oil pumps, motors, controllers, and brackets. The pumps and software can be designed according to the technical requirements of customers. With a strong global engineering team, DARE AUTO is able to provide customized solutions.

High-performance power steering pump

High-performance power steering pump

The power steering pump is the power source of the hydraulic power steering system. It uses the engine as the transmission medium to convert mechanical energy into hydraulic energy. The actuator converts the hydraulic energy into mechanical energy through the hydraulic oil output from the oil pump, thereby reducing the driver's operating intensity and improving the overall maneuverability of the vehicle.

Best Hydraulic Pump Steering System

Best Hydraulic Pump Steering System

The function of the flow valve is to regulate the oil delivery capacity of the vane pump. When the engine is running at high speed, the fuel supply capacity of the booster pump will greatly exceed the steering requirements of the power Steering System. Excessive circulating oil will increase the oil temperature, increase the power consumed by the oil pump, make the steering too sensitive, have a feeling of drifting in direction, and make the steering system lose controllability. Therefore, a flow control valve must be installed to limit the maximum flow output by the oil pump.

New Car Hydraulic Power Steering Pump

New Car Hydraulic Power Steering Pump

Steering pumps mainly include vane, gear, plunger and so on. The most used is the vane pump. The main parts are stator, rotor, oil distribution plate, vane, pump body and back cover, etc. The pump body is equipped with a flow control valve and a safety valve. When the pump is working, the slide valve has a certain opening, so that the flow can meet the specified requirements, and the excess flow returns to the smoking cavity of the pump. If the oil circuit is blocked or an accident occurs, and the system pressure exceeds the maximum working pressure of the pump, the safety valve will be opened, the slide valve will be fully opened, and all the pressure oil will return to the oil suction chamber, which will protect the system safely.

OEM Power Assisted Steering Pump

OEM Power Assisted Steering Pump

Adjust the pressure output by the pump at different engine speeds, and limit the maximum pressure of the oil in the power Steering System. The safety valve body is fixed to the front end of the flow control valve plunger through threads. When the ball valve in the safety valve and the plunger cavity where the safety valve spring is located increase to the specified maximum pressure in the oil outlet hole, the small steel ball in the safety valve will overcome the tension of the spring in the safety valve and compress the spring to move backward. (Path: Part of the high-pressure oil in the oil outlet flows through the pump outlet to the small hole on the pump valve screw, to the throttle hole on the pump control valve body, to the steel ball in the jacking safety valve, to the inner cavity of the safety valve, and then flows into the pump overflow hole (C). At this time, the pressure at the bottom of the pump control valve momentarily decreases, causing the balance pressure previously established by the throttle hole at the front and rear ends of the pump control valve to be broken, and the slide valve plunger is momentarily pushed to the bottom end of the valve cavity, Connect the oil outlet hole to the oil inlet chamber completely, and at this time, the pump will not deliver oil outwards, and the oil will circulate inside the pump. At this time, the normal hissing sound of the pump at this position for pressure relief can be heard.

Power Steering Pump with Good Performance

Power Steering Pump with Good Performance

The operating temperature of the power Steering Pump is generally between 20 ℃ and 80 ℃, and the instantaneous temperature can also reach 120 ℃. Currently, the design temperature of the steering pump is generally between - 40 ℃ and 135 ℃ It is recommended to use special ATF 3 transmission oil or 8 # hydraulic transmission oil. Some medium and heavy duty trucks in China also use engine oil and diesel, which has a negative impact on low speed starting in cold winter climates in the north. The steering fluid must be replaced after the running-in period of 10000 to 20000 km for new vehicles. It is recommended to replace the steering fluid every 50000 km thereafter to ensure the cleanliness of the fluid.

Power Steering Pump with Good Efficiency

Power Steering Pump with Good Efficiency

Selection of pipeline material: The pipeline can be flexible pipe, steel pipe, or mixed type. The hose is further divided into high-pressure steel wire braided oil resistant hose, high-pressure oil resistant plastic hose, and low-pressure cord braided oil resistant hose; The steel pipe is high-pressure seamless steel pipe, and the material is generally 20 steel or 08F steel.

Power Steering Pump with Bracket

Power Steering Pump with Bracket

In summer, aviation hydraulic oil is available nationwide; In winter, aviation hydraulic oil can still be used south of the Yangtze River, while HV-32 or HV-46 low-temperature antiwear hydraulic oil can be used north of the Yangtze River; For No. 8 hydraulic transmission oil, No. 8 and No. 10 aviation hydraulic oil, automatic transmission oil, etc., they can be used throughout the country throughout the year, but the price is relatively expensive. It is prohibited to mix oils with different models.

Power Steering Pump for Light Truck

Power Steering Pump for Light Truck

·Application: In vehicles with high steering resistance, power steering devices are used ·Steering energy: Only a small portion of the power steering energy is provided by the driver, and most of it is driven by the engine to rotate the Steering Pump, converting part of the mechanical energy output by the engine into pressure energy ·Function: Under the control of the driver, the pressure can apply progressive pressure to the transmission device to achieve steering.

HPS Oil Pump for Commercial Truck

HPS Oil Pump for Commercial Truck

It is understood that around the world, automotive recirculating ball type steering gear accounts for about 45%, rack and pinion type steering gear accounts for about 40%, worm and roller type steering gear accounts for about 10%, and other types of steering gear account for about 5%. Circular ball steering gear has been steadily developing. In Western Europe, there has been a great development of rack and pinion steering gear. The characteristic of Japanese automobile steering gear is that the proportion of recirculating ball type steering gear is increasing. Different types of vehicles equipped with different types of engines in Japan use different types of steering gear. The recirculating ball type steering gear used in buses has grown from 62.5% in the 1960s to 100% today (worm and roller type steering gear has been eliminated in buses). Most large and small trucks use recirculating ball steering gear, but rack and pinion steering gear has also developed. The circulating ball type steering gear for minivans accounts for 65%, and the rack and pinion type accounts for 35%.

Power Steering Pumps for Commercial Vehicle

Power Steering Pumps for Commercial Vehicle

During steering, the driver transmits the steering torque to the input shaft of the steering gear through the steering wheel. The input shaft and the steering screw are connected together through a torsion bar. The steering screw is connected to the wheel through a steering nut (rack piston), steering rocker shaft, steering rocker arm, and steering straight link. The steering torque from the input shaft is transmitted to the screw through a torsion bar. Due to the above circular ball mechanism, the screw attempts to make the rack piston move axially along the cylinder bore, but the ground resistance from the wheel restricts the axial movement of the rack piston through the rocker arm system. Therefore, the torsion bar is twisted, and the relative position of the oil groove on the input shaft and the oil groove on the valve sleeve changes - that is, the control valve functions, The high-pressure oil is directed to the designated oil cylinder, namely, the upper or lower oil cylinder, which generates a hydraulic force on the corresponding rack piston end face, and pushes the rack piston to move axially, causing the rocker shaft to rotate, achieving vehicle steering.

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Telephone:+86-418-3399321
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