ELECTRONIC EXPANSION VALVE

WIPO Patent Application WO/2020/248759

A1

An electronic expansion valve, comprising: valve body (10), the valve body (10) having a valve port; a valve head (20) movably provided in the valve body (10), the valve head (20) being used for blocking the valve port; a rod-shaped member (30), the rod-shaped member (30) having a first end and a second end opposite to each other, the first end penetrating into a cavity of the valve head (20), the second end having a positioning structure (31), the positioning structure (31) being used for positioning the circumference of the rod-shaped member (30), the positioning structure (31) being a positioning plane, and the positioning plane being parallel to the axis of the rod-shaped member (30); a valve sleeve (41) provided in the cavity of the valve head (20), the first end of the rod-shaped member (30) being fixedly connected to the valve sleeve (41), and the valve sleeve (41) being in limiting fit with the valve head (20); and an elastic member (42) provided in the cavity of the valve head (20), one end of the elastic member (42) matching the valve head (20), and the other end of the elastic member (42) being compressible by the rod-shaped member (30).

JPS59163132	[Title of the device] Waste gate valve
JPS55159368	SHUTTOFF VALVE WITH PLUNGER PISTON

ZHAN SHAOJUN (CN)
FENG GUIGANG (CN)
HE QIUBO (CN)

PCT/CN2020/090039

December 17, 2020

May 13, 2020

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ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)

F16K1/36; F16K1/32; F16K27/02; F16K31/04

CN210372066U	2020-04-21
CN109323006A	2019-02-12
CN108050141A	2018-05-18
CN207470790U	2018-06-08
JP2005037016A	2005-02-10

KANGXIN PARTNERS, P.C. (CN)

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