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Patent Searching and Data


Title:
REFRIGERANT CONTROL VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/057062
Kind Code:
A1
Abstract:
Provided is a refrigerant control valve device configured so that the entry of a refrigerant into a control unit is reliably prevented. This refrigerant control valve device has: a drain hole formed in a housing and open to the atmosphere; seal members which are arranged around a rotating shaft so as to be separated from each other in the axial direction and so as to form a predetermined space between the housing and the rotating shaft, and which seal between a valve unit and a control unit; an annular spacer disposed in the space and axially sandwiched between the seal members; and a connection passage formed in the housing and providing communication between the drain hole and the space.

Inventors:
MATSUSAKA Masanobu (1 Asahi-machi 2-chome, Kariya-sh, Aichi 50, 〒4488650, JP)
KOGA Yojiro (1 Asahi-machi 2-chome, Kariya-sh, Aichi 50, 〒4488650, JP)
YUMISASHI Naoto (1 Asahi-machi 2-chome, Kariya-sh, Aichi 50, 〒4488650, JP)
MARUYAMA Koichi (1 Asahi-machi 2-chome, Kariya-sh, Aichi 50, 〒4488650, JP)
SUZUKI Hideyuki (1 Asahi-machi 2-chome, Kariya-sh, Aichi 50, 〒4488650, JP)
Application Number:
JP2016/077440
Publication Date:
April 06, 2017
Filing Date:
September 16, 2016
Export Citation:
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Assignee:
AISIN SEIKI KABUSHIKI KAISHA (1 Asahi-machi 2-chome, Kariya-shi Aichi, 50, 〒4488650, JP)
International Classes:
F16K41/04; F01P7/16; F16K5/06
Foreign References:
JP2002022049A2002-01-23
JPS63112681U1988-07-20
JP2003314282A2003-11-06
Attorney, Agent or Firm:
R&C IP LAW FIRM (3-3 Nakanoshima 3-chome, Kita-ku Osaka-sh, Osaka 05, 〒5300005, JP)
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