Title:
REFRIGERATION ELECTRONIC THROTTLE VALVE
Document Type and Number:
WIPO Patent Application WO/2022/161188
Kind Code:
A1
Abstract:
A refrigeration electronic throttle valve, which comprises a housing (1), a throttle mechanism (2) being arranged in a sealed manner on an inner wall of the housing (1), and a servo motor assembly (3) to control the throttle mechanism (2) being arranged outside the housing (1). A transmission gear (206) is controlled to turn by means of the servo motor assembly (3), and a gear disc (203) is driven to turn by means of the turning of the transmission gear (206); when the gear disc (203) turns, all transmission shafts (205) are driven to rotate, each transmission shaft (205) drives a blade (204) connected thereto to turn about a first connection point (2041), and after all of the blades (204) turn, a small hole is formed at a center surrounded by all of the blades (204); by means of accurately controlling the size of a cross section of the small hole, the flow volume of a refrigerant and the temperature of the refrigerant can be accurately controlled, and also the two sides of the blades (204) are subjected to a very minor pressure difference, which can prolong the service life of the blades (204).
Inventors:
GUO JIANGHONG (CN)
YU HONG (CN)
YU HONG (CN)
Application Number:
PCT/CN2022/072062
Publication Date:
August 04, 2022
Filing Date:
January 14, 2022
Export Citation:
Assignee:
AGAF REFRIGERATION TECH WUXI CO LTD (CN)
International Classes:
F16K17/20; F16K31/04; F16K31/53; F25B41/20
Foreign References:
| CN110023694A | 2019-07-16 | |||
| CN107388646A | 2017-11-24 | |||
| CN207337223U | 2018-05-08 | |||
| KR20100086250A | 2010-07-30 | |||
| CN109442822A | 2019-03-08 | |||
| CN208025898U | 2018-10-30 |
Attorney, Agent or Firm:
WUXI HUICHENGYONGXIN PATENT FIRM (GENERAL PARTNERSHIP) (CN)
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