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Variable Displacement Oil Pump

A technology of displacement machine and oil pump, which is applied in the direction of lubricating pumps, mechanical equipment, engine components, etc., which can solve the problems of large engine oil consumption, failure to meet energy saving and emission reduction, and large engine power consumption, so as to reduce hydraulic power and mechanical power , Reduce energy loss, improve work efficiency

Active Publication Date: 2015-09-09
NINGBO SHENGLONG AUTOMOTIVE POWERTRAIN SYSTEM CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The flow rate of the traditional oil pump is relatively large when it is running at high speed, but the engine actually does not need such a large flow rate. In this process, the excess oil causes the engine to do a lot of useless work, so the engine consumes a lot of power, so that the engine oil consumption Larger, cannot meet the effect of energy saving and emission reduction

Method used

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  • Variable Displacement Oil Pump
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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] Depend on Figure 4 It can be seen from the schematic diagram of the principle of the variable displacement oil pump of the present invention that it includes the oil pump body communicated with the main oil passage 17 of the system through the feedback oil passage 15, and it also includes a proportional valve 1 and a displacement adjustment mechanism. The displacement regulating mechanism is arranged in the oil pump body, and communicates with the feedback oil circuit 15 through the proportional valve 1, and the proportional valve 1 is installed on the oil pump body and is electrically connected with the electronic control unit 16 of the system.

[0015] Depend on Figure 1 ~ Figure 3 As can be seen from the schematic structural diagram of the variable displacement oil pump of the present invention, the oil pump body includes...

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Abstract

The invention discloses an oil pump with a variable displacement. The pump comprises an oil pump body which is communicated with a main system oil channel (17) through a feedback oil channel (15), a proportional valve (1) and a displacement adjusting mechanism, wherein the displacement adjusting mechanism is arranged in the oil pump body and is communicated with the feedback oil channel (15) through the proportional valve (1), and the proportional valve (1) is installed on the oil pump body and is electrically connected to an electronic control unit (16) of the system. By the aid of the structure, the oil inlet / outlet of the proportional valve controls the swinging of an eccentric ring, the eccentric distance of the eccentric ring and a vane wheel of the oil pump can be changed, the output flow of the oil pump is changed, the unnecessary energy consumption is reduced, the energy-saving and emission-reduction effect is achieved, the hydraulic and mechanical power is reduced and the working efficiency of an engine is improved.

Description

technical field [0001] The invention relates to the technical field of oil pumps, in particular to a variable displacement engine oil pump. Background technique [0002] When the automobile engine is working, each moving part acts on another part with a certain force, and high-speed relative motion occurs. With relative motion, friction will inevitably occur on the surface of the parts, thereby accelerating wear. Therefore, in order to reduce wear, reduce frictional resistance, and prolong service life, there must be a lubrication system on the engine. The main components of the lubrication system are various equipment such as an oil pump. The function of the oil pump is to increase the oil to a certain pressure and then forcefully send it to the moving surface of each part of the engine. It generally includes a pump cover and a pump body. It is connected with the pump body by screws, and the pump body is equipped with an inner rotor, an outer rotor, a low-pressure oil cham...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16N13/20F16N23/00
Inventor 许培元项鑫邹娟罗玉龙
Owner NINGBO SHENGLONG AUTOMOTIVE POWERTRAIN SYSTEM CO LTD
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