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Thermostats

A thermostat, valve port technology, used in instruments, temperature control, machines/engines, etc., can solve problems such as high fluid pressure and insufficient transmission cooling oil supply, and achieve the effect of preventing damage

Active Publication Date: 2017-11-21
ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the actual use process, when the fluid pressure of the cooling oil is too high due to the blockage of the external cooling device and other reasons, it will also cause the problem of insufficient oil supply of the gearbox cooling oil.

Method used

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Experimental program
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Embodiment Construction

[0023] The technical solution of the present invention provides a thermostat. A pressure relief ring that can move under the action of pressure difference is provided in the cavity of the valve body, and an elastic element that is in contact with the pressure relief ring is provided, so that the elastic element is opposite to the pressure relief ring. The force of the pressure ring is opposite to the force of the pressure difference. There is also a first channel that can be opened or closed by the pressure relief ring moving up and down in the cavity. Under normal circumstances, the pressure relief ring closes the first channel. When the thermostat fluid When the pressure reaches the set value, the fluid can push the pressure relief ring to compress the elastic element, so that the first channel is opened, and the first flow channel and the third flow channel are connected at the same time, which can prevent damage caused by excessive fluid pressure in the system.

[0024] The...

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Abstract

The invention discloses a thermostat. By setting a pressure relief ring that can move up and down in the cavity of a valve body, under normal circumstances the pressure relief ring abuts against the step part of the inner wall of the cavity or other fixed parts through an elastic element. There is a first channel that can be opened or closed by moving the pressure relief ring up and down. When the fluid pressure in the thermostat is too high, the fluid can push the pressure relief ring to compress the elastic element, thereby opening the first channel on the pressure relief ring , to realize the simultaneous communication of the first flow channel and the third flow channel, which can prevent damage caused by excessive fluid pressure in the thermostat.

Description

technical field [0001] The invention relates to the field of fluid control, in particular to a thermostat. Background technique [0002] When the car is running, the parts need to be lubricated with lubricating oil in time to ensure the normal operation of the car. If the lubrication performance of the lubricating oil is not good enough, it will affect the service life of the car. The lubricating performance of the lubricating oil is closely related to its own temperature. When the temperature of the lubricating oil is too high or too low, the lubricating performance of the lubricating oil will be affected. [0003] The temperature of the lubricating oil is generally not too high during normal driving. When the vehicle is overloaded or the four-wheel drive mode is set to drive on snow or off-road, the vehicle is driving under the condition of excessive slippage of the hydraulic torque converter, which may cause the gearbox to malfunction. Oil temperature is too high, there...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H57/04
CPCF16H57/0413F01M5/007F01P7/16G05D16/106G05D23/1852G05D23/1856
Inventor 裘浩明尹斌钱晓军
Owner ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD