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Patent Searching and Data


Title:
THERMOSTATIC VALVE
Document Type and Number:
WIPO Patent Application WO/2017/185972
Kind Code:
A1
Abstract:
A thermostatic valve, comprising: a valve body (2) having a cavity (21) provided therein; an end cover (1), a thermal actuator (3) and a first spring (33) which are provided in the cavity (21). The end cover (1) is provided with a first valve seat; the first valve seat is provided with a first valve port (14); the first valve port (14) is provided opposed to a second port (34), and the first valve seat encloses an inner end opening of the second port (34); an outer wall of the first valve seat enclosing the inner end opening of the second port (34) is in clearance fitting with an inner wall of the cavity; an outer wall at an end of the body (31) of the thermal actuator which is near the end cover (1) is in slide fitting with an inner wall of the valve seat; the thermostatic valve opens and closes the first valve port (14) by means of the body (31) of the thermal actuator; when the first valve port (14) is closed, the second port (34) is not in communication with the first port (23); when the first valve port (14) is opened, the first port (23) communicates with the second port (34) by means of the first valve port (14). The thermostatic valve is compact, lightweight and very stable.

Inventors:
QIU HAOMING (CN)
YIN BIN (CN)
QIAN XIAOJUN (CN)
Application Number:
PCT/CN2017/080042
Publication Date:
November 02, 2017
Filing Date:
April 11, 2017
Export Citation:
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Assignee:
ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD (CN)
International Classes:
F16K31/64
Foreign References:
CN205559961U2016-09-07
CN205559858U2016-09-07
CN103574264A2014-02-12
JPH10227372A1998-08-25
DE102007039495A12009-02-26
US20070164123A12007-07-19
JPH11117743A1999-04-27
Other References:
See also references of EP 3450810A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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