Title:
ELECTRONIC EXPANSION VALVE
Document Type and Number:
Japanese Patent JP2022087187
Kind Code:
A
Abstract:
To provide an electronic expansion valve.SOLUTION: An electronic expansion valve (100) includes a valve body (10), a spindle assembly (20), a screw assembly (30), a rotor assembly (50), a stator assembly, and a sleeve (40), and is characterized in that: a guide sleeve (16) for guiding a movement of the spindle assembly (20) is provided inside the valve body (10); the spindle assembly (20) is provided to the guide sleeve (16); the screw assembly (30) is connected to the rotor assembly (50); the stator assembly can act on the rotor assembly (50) to drive the rotor assembly (50) to rotate; the screw assembly (30) can be moved through the rotation of the rotor assembly (50); a valve port (11) is bored in the valve body (10); the spindle assembly (20) is driven by the screw assembly (30) to open and close the valve port (11); and the sleeve (40) is provided to cover one end of the valve body (10) separate from the valve port (11).SELECTED DRAWING: Figure 2
Inventors:
LIU YUEQIANG
HE YUCHEN
XU XUEFEI
HE YUCHEN
XU XUEFEI
Application Number:
JP2022063134A
Publication Date:
June 09, 2022
Filing Date:
April 05, 2022
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD
International Classes:
F16K51/00; F16K1/42; F16K31/04
Domestic Patent References:
| JP3145048U | 2008-09-25 | |||
| JP2017534822A | 2017-11-24 | |||
| JP3193049U | 2014-09-11 | |||
| JP2017110541A | 2017-06-22 | |||
| JP2551443Y2 | 1997-10-22 |
Foreign References:
| WO2018137636A1 | 2018-08-02 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toyotaka Abe
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toyotaka Abe
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