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Electromagnetic pressure control valve

A pressure regulating valve and electromagnetic technology, applied in valve details, valve devices, fluid pressure control, etc., can solve problems such as breakdown, wall damage, and pressure regulating valve failure, so as to reduce hysteresis and prolong service life Lifespan, the effect of avoiding damage

Inactive Publication Date: 2020-02-14
ECO HLDG 1 GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of a wall inserted in the regulator housing, the above-mentioned impact, in addition to damage to the wall, for example by rupture, leads to a breakdown of the wall and thus to a failure of the pressure regulating valve.

Method used

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Embodiment Construction

[0033] According to FIG. 1 , a solenoid pressure regulating valve 10 for a clutch of an automatic transmission (not further shown) of a motor vehicle (not further shown) according to the prior art is configured. Pressure regulating valve 10 is shown in FIG. 1 in a first position, which is characterized by de-energization of solenoid regulator 12 of pressure regulating valve 10 .

[0034] The pressure regulating valve 10 has a regulator housing 14 which is designed for connection to a plurality of hydraulic connections, namely a supply connection P, a consumer connection A and a tank connection T. A piston 20 , which is movable axially along a longitudinal axis 18 of the regulator housing 14 , is movably accommodated in a first receiving opening 16 formed in the regulator housing 14 . The regulator housing 14 is designed rotationally symmetrically with respect to a longitudinal axis 18 .

[0035] Piston 20 is designed for adjustable flow through hydraulic connections P, A, T. ...

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Abstract

The invention relates to an electromagnetic pressure control valve. The electromagnetic pressure control valve comprises an electromagnetic actuator (12) configured to position a piston (20) that is received axially movable in a receiving opening (16) of a controller housing (14), wherein the piston facilitates opening or closing flow connections of multiple ports (P,A,T) of the electromagnetic pressure control valve (10), the piston includes a pin (44) at a face (42) that is oriented away from the electromagnetic actuator, a relative movement is enabled between the pin and the piston, a surface (90) of the pin that is arranged in the controller housing and oriented away from the piston is arranged opposite to a stop (48), wherein the pin is spring loaded to contact the stop so that a movement of the pin in a direction towards the stop is prevented, and a preload element (64) that is configured to provide the spring loading engages the pin.

Description

technical field [0001] The invention relates to a solenoid pressure regulating valve according to the preamble of claim 1 . Background technique [0002] Solenoid pressure regulating valves are known. Solenoid pressure regulating valves are used, for example, for the hydraulic control of clutches in automatic transmissions of motor vehicles. The pressure regulating valve has an axially movable piston in the regulator housing, which is provided for opening and / or closing a plurality of ports. The piston is moved axially by means of an electromagnetic adjuster. In order to bring about an adaptation of the adjusting force of the electromagnetic regulator, the pressure regulating valve has a pin, also called pin, at the end of the piston which is configured opposite the electromagnetic regulator, which is accommodated in a receiving opening of the piston. middle. The pin is situated on a wall of the regulator housing opposite the end of the piston, which wall is designed as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K47/00F16K31/06
CPCF16K47/00F16K31/06F16K31/0613F16K31/0696F16H2061/0253F16H61/0251G05D16/2024
Inventor 马努埃尔·布劳恩维克多·昂鲁艾克·尼尔斯·文策尔
Owner ECO HLDG 1 GMBH
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