Title:
PRESSURE-REDUCING VALVE
Document Type and Number:
WIPO Patent Application WO/2016/163271
Kind Code:
A1
Abstract:
Provided is a pressure-reducing valve, comprising a valve chamber, a pressure control chamber, a partition member which has a communication hole, and a valve body. The partition member comprises the communication hole and a valve seat. The valve body comprises a main body part and a rod part. The valve seat comprises a plurality of inclined surfaces which have different angles of inclination with respect to the center axis of the valve body. The circumference wall of the communication hole and the valve seat are connected with a connection part. The angles of inclination of the valve seat change incrementally such that the valve seat and the valve body make contact at a position more distant in the radial direction from the center axis of the valve body toward the outer side than the connection part.
Inventors:
SHIGEOKA NORIHIKO (JP)
SANO EIJI (JP)
KUMAKI JUNICHI (JP)
MIZUTA TAMETOSHI (JP)
SANO EIJI (JP)
KUMAKI JUNICHI (JP)
MIZUTA TAMETOSHI (JP)
Application Number:
PCT/JP2016/060058
Publication Date:
October 13, 2016
Filing Date:
March 29, 2016
Export Citation:
Assignee:
AISAN IND (JP)
International Classes:
G05D16/10; F02M21/02; F16K1/42; F16K17/30; F16K25/00
Domestic Patent References:
| WO2013136914A1 | 2013-09-19 |
Foreign References:
| JPH02248773A | 1990-10-04 | |||
| JPH02121675U | 1990-10-03 | |||
| JPS529119A | 1977-01-24 | |||
| JP2015087925A | 2015-05-07 |
Attorney, Agent or Firm:
ONDA, Makoto et al. (JP)
Makoto Onda (JP)
Makoto Onda (JP)
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