Title:
FLUID REGULATION VALVE
Document Type and Number:
Japanese Patent JP2020101263
Kind Code:
A
Abstract:
To provide a flow amount regulation valve capable of reliably reducing noise of running water with an orifice having a simple structure installed therein.SOLUTION: A flow amount regulation valve (1) comprises: a valve case (2) which has a fluid inlet port (8), a fluid outlet port (9) and a valve seat (11); and a valve body (5) which is movable inside the valve case (2). The fluid regulation valve (1) regulates a flow rate of fluid by variably changing a gap between the valve body (5) and the valve seat (11). The flow amount regulation valve (1) also has an orifice member (30) between the valve seat (11) and the fluid outlet port (9). The orifice member (30) has: a main orifice body section (31) which reduces a flow passage area inside the valve case (2); and one or more protruded section (32) protruded from the main orifice body section (31) toward an upstream side.SELECTED DRAWING: Figure 2
Inventors:
YAMAUCHI KOJI
Application Number:
JP2018241346A
Publication Date:
July 02, 2020
Filing Date:
December 25, 2018
Export Citation:
Assignee:
NORITZ CORP
International Classes:
F16K47/02; F16K1/06; F16K1/52
Domestic Patent References:
| JPWO2014006651A1 | 2016-06-02 | |||
| JP2007162851A | 2007-06-28 |
Attorney, Agent or Firm:
Toshio Okamura