Title:
CRYOGENIC FLUID SHUT-OFF VALVE
Document Type and Number:
WIPO Patent Application WO/2022/198439
Kind Code:
A1
Abstract:
Disclosed is a shut-off valve (100) for use with cryogenic fluids having a body (110) including a valve inlet (112a), a valve outlet (112d), and one or more internal surfaces (111) that define at least one void (112) in fluid communication with the valve inlet and the valve outlet. The shut-off valve further includes a valve seat (116) defined by the one or more internal surfaces, a housing connected to the body and a valve spindle disposed within the housing and including a seat disc (126a) that engages with the valve seat. A buffer (124) composed of cryogenic resistant material circumferentially surrounds the valve spindle and is slidingly engaged with an internal surface of the housing. The shut-off valve further includes a valve actuating member (140) connected to the valve spindle to cause an axial movement of the valve spindle, valve seat, and buffer to control fluid flow from the valve inlet to the valve outlet.
More Like This:
| WO/2023/134750 | SOLENOID VALVE |
| WO/2017/031541 | A NON-RETURN VALVE |
Inventors:
CAO GUANGBIN (CN)
Application Number:
PCT/CN2021/082371
Publication Date:
September 29, 2022
Filing Date:
March 23, 2021
Export Citation:
Assignee:
ENGINEERED CONTROLS INT LLC (US)
International Classes:
F16K1/00; F16K1/32; F16K1/36; F16K31/60; F16K41/00
Foreign References:
| CN210461708U | 2020-05-05 | |||
| CN212360823U | 2021-01-15 | |||
| CN209262336U | 2019-08-16 | |||
| CN207018543U | 2018-02-16 | |||
| CN206112119U | 2017-04-19 | |||
| US20180299055A1 | 2018-10-18 | |||
| US6302374B1 | 2001-10-16 | |||
| JP2019116901A | 2019-07-18 |
Attorney, Agent or Firm:
LEE AND LI - LEAVEN IPR AGENCY LTD. (CN)
Download PDF:
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