Title:
電子膨張弁
Document Type and Number:
Japanese Patent JP7089041
Kind Code:
B2
Abstract:
An electronic expansion valve, comprising a screw (6), a nut (8) nested at the exterior of the screw (6), a limiter (12) disposed at an outer ring of a top portion of the nut (8), and a magnetic rotor (7) sleeved on the outer ring of the nut (8); an outer peripheral wall of the nut (8) is provided with at least one first bonding surface (84), and an inner peripheral wall of the magnetic rotor (7) is provided with at least one second bonding surface (73) that cooperatively limits the first bonding surface (84), surfaces of the the first bonding surface (84) and the second bonding surface (73) being bonded; the mounting and positioning of the nut (8) and the magnetic rotor (7) are facilitated by means of the cooperation of the first bonding surface (84) and the second bonding surface (73), thereby simplifying the assembly process, increasing production efficiency and reducing production costs.
Inventors:
Sokei army
Chen Yong
Takae Hayashi
Chen Yong
Takae Hayashi
Application Number:
JP2020543093A
Publication Date:
June 21, 2022
Filing Date:
April 12, 2018
Export Citation:
Assignee:
Zhejiang DunAn Artificial Environment Co., Ltd
International Classes:
F16K31/04
Domestic Patent References:
| JP11063273A | ||||
| JP2016156439A | ||||
| JP2016156437A |
Foreign References:
| EP0937928A1 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toyotaka Abe
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toyotaka Abe