The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 08, 2018

Filed:

Sep. 11, 2013
Applicant:

Zhejiang Sanhua Co., Ltd., Zhejiang, CN;

Inventors:

Ming Lv, Zhejiang, CN;

Xianrang Wei, Zhejiang, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/04 (2006.01); F16K 1/10 (2006.01); F16K 27/10 (2006.01); B23K 26/21 (2014.01); B23K 26/282 (2014.01); F16K 1/34 (2006.01); F25B 41/06 (2006.01); B23K 101/04 (2006.01);
U.S. Cl.
CPC ...
F16K 31/04 (2013.01); B23K 26/21 (2015.10); B23K 26/282 (2015.10); F16K 1/10 (2013.01); F16K 1/34 (2013.01); F16K 27/102 (2013.01); F25B 41/062 (2013.01); B23K 2201/04 (2013.01); F25B 2341/0653 (2013.01); Y02B 30/72 (2013.01);
Abstract

An electronic expansion valve according to the present application includes a housing component and a valve seat assembly, the valve seat assembly includes a first connecting pipe and a second connecting pipe which are in a same straight line; a main valve cavity is formed by the valve seat assembly, and an included angle formed between the main valve cavity and the first connecting pipe is an acute angle; wherein the valve seat assembly is of an integral structure and is fixed to the housing component by welding, and a preset distance exists between the first connecting pipe and an extension line of a welding position of the valve seat assembly and the housing component in a radial direction.


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