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Two-way pressure-limiting valve

A pressure limiting valve, flow direction technology, applied in multi-way valve, safety valve, balance valve and other directions, can solve the problems of large volume of energy storage unit, damaged parts, affecting service life, etc., to achieve simple structure and small space occupation Effect

Inactive Publication Date: 2017-03-15
SHANGLING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the energy reciprocating transmission system including the volumetric fluid mechanism, the pressure drastic change in the liquid circuit will often occur. If it is not adjusted, the parts will be damaged and the service life will be affected. If the energy storage method is used, the degree of pressure drastic change can be reduced, but The energy storage unit is often bulky. If the fluid from the high-pressure end can be introduced into the low-pressure end, and the fluid can be poured back when the pressure changes, this can reduce the damage caused by the above-mentioned drastic pressure changes. This circuit requires a new type of two-way Pressure limiting valve group

Method used

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Embodiment 1

[0012] A two-way pressure limiting valve, such as figure 1 As shown, at least two pressure limiting valves 1 are included, and the flow direction of at least one of the pressure limiting valves 1 is opposite to that of the other pressure limiting valve 1 and arranged in parallel.

Embodiment 2

[0014] A two-way pressure limiting valve, such as figure 2 As shown, it includes a throat body 2 and a throat plug body 3 matched therewith. The throat body 2 communicates with the passage A 4 and the passage B 5 respectively, and the throat plug body 3 is arranged in the throat body 2 And cooperate with the throat body 2, the throat plug body 3 is affected by the elastic body A 6 and the elastic body B 7; when the fluid pressure in the passage A 4 exceeds the set value, the throat plug body 3 to open the throat body 2, and when the fluid pressure in the channel B5 exceeds a set value, the throat plug body 3 will open the throat body 2.

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Abstract

The invention discloses a two-way pressure-limiting valve. The two-way pressure-limiting valve comprises at least two pressure-limiting valves, wherein a flow direction of at least one pressure-limiting valve is opposite to that of the other pressure-limiting valve, and the two pressure-limiting valves are arranged in parallel. The two-way pressure-limiting valve has the advantages of being small in occupied space and simple in structure.

Description

technical field [0001] The invention relates to the field of thermal energy and power, in particular to a two-way pressure limiting valve. Background technique [0002] In the energy reciprocating transmission system including the volumetric fluid mechanism, the pressure drastic change in the liquid circuit will often occur. If it is not adjusted, the parts will be damaged and the service life will be affected. If the energy storage method is used, the degree of pressure drastic change can be reduced, but The energy storage unit is often bulky. If the fluid at the high-pressure end can be introduced into the low-pressure end, and the fluid can be poured back when the pressure changes, this can reduce the damage caused by the above-mentioned drastic pressure change. This circuit requires a new type of two-way Pressure limiting valve group. Therefore, need to invent a kind of two-way pressure limiting valve. Contents of the invention [0003] In order to solve the above pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B13/02F16K17/04F16K11/044
CPCF15B13/025F16K11/044F16K17/044F16K17/0473
Inventor 靳北彪
Owner SHANGLING CO LTD