Title:
FLOW-RATE ADJUSTING VALVE
Document Type and Number:
WIPO Patent Application WO/2020/184076
Kind Code:
A1
Abstract:
Provided is a flow-rate adjusting valve capable of effectively reducing flowing sound. In a flow-rate adjusting valve (1), a cylindrical part (16) of a seat member (11) is inserted into the inside of a cylindrical part (21) of a flow straightening member (20). A valve opening (30) extending from the inside of a valve seat (17) of the seat member (11) to a flow straightening part (22) of the flow straightening member (20) through the cylindrical part (16) and the cylindrical part (21) is formed. Furthermore, a third circumferential surface (35) which is the inner circumferential surface (21a) of the cylindrical part (21) and a second tapered surface (34) which is an end surface of the cylindrical part (16) are contiguous to each other around the entire circumference.
Inventors:
OSHIKA SHINICHIRO (JP)
YATAGAI HIROOMI (JP)
INO YASUTOSHI (JP)
YATAGAI HIROOMI (JP)
INO YASUTOSHI (JP)
Application Number:
PCT/JP2020/006099
Publication Date:
September 17, 2020
Filing Date:
February 17, 2020
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
International Classes:
F16K1/52; F16K47/02; F16K47/08
Domestic Patent References:
| WO2018230159A1 | 2018-12-20 |
Foreign References:
| JP2007162851A | 2007-06-28 | |||
| JP2019007549A | 2019-01-17 | |||
| JP2001289538A | 2001-10-19 | |||
| JP2007107623A | 2007-04-26 | |||
| JP2017210974A | 2017-11-30 |
Attorney, Agent or Firm:
OPUS IP LAW FIRM (JP)
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