Title:
COMBINATION REGULATOR VALVE
Document Type and Number:
WIPO Patent Application WO/2019/061071
Kind Code:
A1
Abstract:
A combination regulator valve (1) for conveying fluid is disclosed. The valve (1) comprises a bonnet (7), a body (13), a flexible diaphragm (28), a first spring (8), and a spindle unit (15). The spindle unit (15) comprises a pin (20), a first seat disc (17), and a seat screw (21). The bonnet (7) is secured to the body (13). The flexible diaphragm (28) is compressed between the bonnet (7) and the body (13). The first spring (8) is disposed in the bonnet (7). The spindle unit (15) is disposed in the body (13). The first seat disc (17) is disposed between the pin (20) and the diaphragm (28). The first seat disc (17) and the pin (20) define a first void (17c). The first spring (8) biases the diaphragm (28) toward the first seat disc (17). The seat screw (21) is engaged with the body (13) and is slidably engaged with the pin (20). The seat screw (21) and the pin (20) define a fluid passage in fluid communication with the first void (17c).
Inventors:
CAO GUANGBIN (CN)
MOREFIELD PATRICK N (US)
MOREFIELD PATRICK N (US)
Application Number:
PCT/CN2017/103667
Publication Date:
April 04, 2019
Filing Date:
September 27, 2017
Export Citation:
Assignee:
ENGINEERED CONTROLS INT LLC (US)
CAO GUANGBIN (CN)
CAO GUANGBIN (CN)
International Classes:
F16K31/126; F16K17/30
Domestic Patent References:
| WO2011059975A1 | 2011-05-19 |
Foreign References:
| CN202091587U | 2011-12-28 | |||
| CN201462123U | 2010-05-12 | |||
| CN206246757U | 2017-06-13 | |||
| US3699998A | 1972-10-24 | |||
| GB1401614A | 1975-07-16 | |||
| EP0517096A1 | 1992-12-09 |
Other References:
See also references of EP 3688351A4
Attorney, Agent or Firm:
LEE AND LI - LEAVEN IPR AGENCY LTD. (CN)
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