Unlock instant, AI-driven research and patent intelligence for your innovation.

oil pump

An oil pump and oil flow technology, which is applied in the field of engine oil pumps, can solve the problems of oil discharge pressure increase, pressure relief valve, engine oil pump oil leakage, etc.

Active Publication Date: 2019-07-19
HYUNDAI MOTOR CO LTD +2
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In the prior art, when the pressure relief valve 9 is operated, due to the excessive oil pressure, an excessively large amount of oil flow (oil flow) will immediately bypass, so that the discharge pressure of the oil increases to cause the resonance of the pressure relief valve
[0008] Also, when the oil pump is not operated for a long period of time, the oil in the engine oil pump may leak, causing resonance in the pressure relief valve when the oil pump is initially activated

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • oil pump
  • oil pump
  • oil pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] Hereinafter, reference will now be made in detail to various embodiments of the inventive concepts, examples of which are illustrated in the accompanying drawings and described below. While the present disclosure will be described in conjunction with exemplary embodiments, it will be understood that present description is not intended to limit the invention to those exemplary embodiments. On the contrary, the inventive concept is intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims.

[0027] It should be understood that the term "vehicle" or "vehicular" or other similar terms as used herein includes motor vehicles in a broad sense, such as passenger vehicles, including: sports utility vehicles (SUVs), Buses, trucks; and commercial vehicles of all kinds; ships, including: boats of all kinds ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

An oil pump includes a pump housing including an oil input port formed at one side of the pump housing. An oil output port is formed at the other side of the pump housing. The oil flow unit is provided at the center of the pump housing, and the oil flow unit compresses and discharges oil input from the oil input port toward the oil output port. A bypass passage circulates oil from the oil output port to the oil input port. A pressure control chamber allows oil to flow through the oil output port and bypass passage. The pressure control chamber has a piston that is supported by an elastic body and moves according to oil pressure. A bypass hole is formed at one side of the pressure control chamber, and allows oil passing through the oil output port to flow to the bypass passage when the piston moves due to oil pressure. The amount of oil flow increases according to the moving distance of the piston.

Description

technical field [0001] The present disclosure relates to an oil pump for an engine, and more particularly, to an oil pump for an engine by which noise generated by a pressure change due to movement of an excessively large flow of oil is reduced , and the vibration and noise generated by the resonance of the pressure relief valve (relief valve, safety valve) are reduced. Background technique [0002] Generally, the oil pump of an internal combustion engine circulates engine oil (motor oil) under pressure to engine components such as rotating bearings, sliding pistons, camshafts, etc., to reduce friction between the components while the engine is running, thereby providing smooth engine operation . [0003] Recently, technologies have been developed to reduce friction between engine components and improve fuel efficiency, engines using low-friction mechanisms such as continuously variable valve timing (CVVT) and continuously variable valve lift (CVVL) run. [0004] In parti...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F01M1/02F16N13/20F04C15/00
CPCF04C2/102F04C14/26F04C15/06F01M1/16F01M2001/0238F01M1/00F01M1/02F01M1/20F04C29/025
Inventor 俞东濬吴旻奎权赫麟
Owner HYUNDAI MOTOR CO LTD