Patent · US Active

Electric valve and manufacturing method therefor

US11788642B2 · kind B2 · utility

3Cited by

1References

16Claims

0Family size

Assignee

ZHEJIANG SANHUA COMMERCIAL REFRIGERATION CONTROLS CO., LTD. · CN

Inventors

Ming Lv · 马宅镇, CN
Jiancheng Zhi · Shaoxing, CN
Damai Yang · 马宅镇, CN

Key dates

Filing date	May 17, 2018
Grant date	Oct 17, 2023
Priority date	—
Expiry date	Aug 17, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K31/508
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An electric valve and manufacturing method therefor, the electric valve including a valve body part, a valve seat part, a transmission part and a valve core part, wherein the valve core part includes a valve core body and a lower stop part; the valve core body is essentially tubular, and the valve core body is of an integrated structure and includes an annular thin wall portion; the lower stop part is arranged in an inner cavity of the valve core body, and the lower stop part comprises a lower stop portion; an upper cavity is present above the lower stop portion, a lower cavity is present below the lower stop portion, and the lower stop part includes a first axial through hole which is in communication with the upper cavity and the lower cavity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.