Title:
MOTOR-OPERATED VALVE
Document Type and Number:
WIPO Patent Application WO/2019/193932
Kind Code:
A1
Abstract:
Provided is a motor-operated valve that has a simple configuration and can ensure sufficient sealing while preventing fluctuation in sliding resistance due to the environment in which the valve is used. A seal assembly 35 interposed between a valve body 20 and a valve body guide hole 14b has: a seal member 32 which is created from a ring-shaped member made of a fluororesin, the middle part of which is formed thinner than both end parts, and both end surfaces of which are provided with annular storage grooves (upper storage groove 32a, lower storage groove 32b); and a pair of elastic members (upper elastic member 33, lower elastic member 34) created from ring-shaped members made of a metal and stored in each of the storage grooves (upper storage groove 32a, lower storage groove 32b) in a state of being elastically compressed in a diametral direction.
Inventors:
ARAI RYOTA (JP)
KOJO RIKI (JP)
HARADA TAKAO (JP)
AIHARA HIROKI (JP)
KOJO RIKI (JP)
HARADA TAKAO (JP)
AIHARA HIROKI (JP)
Application Number:
PCT/JP2019/009620
Publication Date:
October 10, 2019
Filing Date:
March 11, 2019
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
International Classes:
F16K1/46; F16J15/18; F16K31/04; F16K41/08
Foreign References:
| JP2016080115A | 2016-05-16 | |||
| JP2009216168A | 2009-09-24 | |||
| JP2017053419A | 2017-03-16 |
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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