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Electric oil pump for hydraulic control and oil supplying system provided with the same

An electro-hydraulic pump and pump cavity technology, which is applied to fluid pressure actuating system components, fluid pressure actuating devices, and transmission parts, etc., can solve problems such as raising control oil, solve shifting shocks, and improve energy efficiency. , the effect of increasing the temperature

Active Publication Date: 2020-10-09
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Even though methods exist to increase the temperature of the control oil through heat exchangers H using separate heaters, we have found that these methods have limitations in increasing the overall temperature of the control oil

Method used

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  • Electric oil pump for hydraulic control and oil supplying system provided with the same
  • Electric oil pump for hydraulic control and oil supplying system provided with the same
  • Electric oil pump for hydraulic control and oil supplying system provided with the same

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Embodiment Construction

[0052] The following description is merely exemplary in nature and is not intended to limit the invention, application or uses. It should be understood that throughout the specification and drawings, corresponding reference numerals indicate like or corresponding parts and features.

[0053] Those skilled in the art would realize that the form described may be modified in various different ways, all without departing from the spirit or scope of the present disclosure.

[0054] The drawings and description should be regarded as illustrative in nature and not restrictive. Throughout the specification, the same reference numerals are applied to the same or similar constituent elements.

[0055] figure 2 is a schematic diagram showing an electrohydraulic pump for a transmission according to an exemplary form of the present application, image 3 is a sectional view of an electrohydraulic pump for a transmission according to an exemplary form of the present application.

[0056] ...

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PUM

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Abstract

The invention relates to an electric hydraulic pump for hydraulic control and an oil supplying system provided with the same. The electric hydraulic pump for a transmission includes: a motor includinga motor cover, a motor case coupled with the motor cover, and a stator and a rotor disposed within the motor cover and the motor case; and a pump including a pump case forming a pump chamber, and a gear rotor which is disposed within the pump chamber, connected with the rotor through a motor shaft and receives rotational power of the motor. In particular, a plurality of oil circulation holes areformed in the motor cover and a connecting hole is formed in the motor cover corresponding to the pump case, and an oil flow channel is formed within the pump case for connecting the connecting hole and an oil inlet of the pump chamber.

Description

[0001] Cross References to Related Applications [0002] This application claims priority and benefit from Korean Patent Application No. 10-2019-0034222 filed on March 26, 2019, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to an electrohydraulic pump for hydraulic control of a transmission and an oil supply system including the electrohydraulic pump. Background technique [0004] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0005] More recently, rising global oil prices and stringent emissions regulations have prompted automakers to work harder at developing technologies that improve fuel consumption in an environmentally friendly manner. [0006] Specifically, regarding the transmission, improvement in fuel consumption can be achieved by increasing power transmission efficiency, and improvement in power t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/00F15B21/041F15B21/0427
CPCF16H61/0025F15B21/041F15B21/0427F04C2/18F04C2240/40F04C2240/30F04C15/0088F04C15/0096F16H57/0436F16H57/0404F04C2/12F04C11/008F04C2210/206F04C2240/80F04C2/08F04C13/005F04C13/001
Inventor 张成旭金起夹金宇中李俊澔林真承卢承完文永皓金泰均尹在烈李廷旭朴哲完赵治勋都圭喆李圭镐金铉哲金正喆张贤德李瑨熙郑用昊赵昌衍成允锡金炫镇李周恒
Owner HYUNDAI MOTOR CO LTD