CONSTANT FLOW VALVE WITH CHECK FUNCTION - MATSUSHITA ELECTRIC WORKS LTD

Title:

CONSTANT FLOW VALVE WITH CHECK FUNCTION

Document Type and Number:

Japanese Patent JP2002163023

Kind Code:

A

Abstract:

To allow stable flow regulation and to impart a stable check function.

A flow-in port 13 and a flow-out port 15 are formed in a case 20, and a valve element 11 for opening and closing the flow-in port 13, a plate 12 abutting to the valve element 11 in a downstream, and a compression spring 14 for pressing the valve element 11 to the flow-in port 13 via the plate 12 are arranged respectively inside the case 20. The valve element 11 comprises an elastic body, and the plate 12 is highly rigid. A cut-out 12d is formed in a portion where the plate 12 abuts to the valve element 11, water is passed through a clearance between the element 11 and the cut-out 12d, and water volume is regulated thereby in response to water pressure applied to the valve element 11.

Inventors:

YAMAGUCHI HIROKI

Application Number:

JP2000360232A

Publication Date:

June 07, 2002

Filing Date:

November 27, 2000

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC WORKS LTD

International Classes:

E03D9/08; F16K15/02; F16K15/14; G05D7/01; (IPC1-7): G05D7/01; E03D9/08; F16K15/02; F16K15/14

Attorney, Agent or Firm:

Keisei Nishikawa (1 person outside)

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