Title:
電子膨張弁
Document Type and Number:
Japanese Patent JP7224366
Kind Code:
B2
Abstract:
An electronic expansion valve (100), comprising a valve body (10), a valve needle assembly (20), a screw rod assembly (30), a rotor assembly (50), a stator assembly, and a sleeve tube (40), a guide sleeve (16) for guiding the movement of the valve needle assembly (20) being arranged inside the valve body (10), the valve needle assembly (20) being arranged on the guide sleeve (16), the screw rod assembly (30) being connected to the rotor assembly (50), the stator assembly acting on the rotor assembly (50) and being capable of driving the rotor assembly (50) to rotate, the rotation of the rotor assembly (50) driving the movement of the screw rod assembly (30), a valve opening being disposed on the valve body (10), the valve needle assembly (20) being driven by the screw rod assembly (30) to close or open the valve opening (11), and the sleeve tube (40) being sleeved over the end of the valve body (10) furthest from the valve opening (11).
Inventors:
Liu Rong Qiang
Ka Utatsu
Xu Gakufei
Ka Utatsu
Xu Gakufei
Application Number:
JP2020551493A
Publication Date:
February 17, 2023
Filing Date:
October 31, 2018
Export Citation:
Assignee:
Zhejiang DunAn Artificial Environment Co., Ltd
International Classes:
F16K31/04; F16K27/00; F16K31/68; F16K47/02; F16K51/00
Domestic Patent References:
| JP2016151310A | ||||
| JP2013164124A | ||||
| JP2017203509A | ||||
| JP2008232276A | ||||
| JP2018080803A | ||||
| JP2000291817A |
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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