Diaphragm device and pressure regulating reservoir using the same

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United States of America Patent

PATENT NO 9273783
APP PUB NO 20130220461A1
SERIAL NO

13773996

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A diaphragm device comprising: a supporting member; a flexible membrane that is supported by the supporting member; and a housing that accommodates the flexible membrane and the supporting member, and wherein the flexible membrane air-tightly separates a first chamber and a second chamber connected to the outside through a through-hole formed in a membrane supporting portion of the supporting member, inside the housing, wherein an avoidance recessed portion to avoid interference with an opening edge of the through-hole is formed at a position corresponding to the through-hole in the flexible membrane, wherein the avoidance recessed portion is provided at a thick portion thicker than the other portion of the flexible membrane, and the thick portion protrudes toward the first chamber.

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First Claim

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Patent Owner(s)

  • ADVICS CO., LTD.;DENSO CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoba, Kouji Kariya, JP 4 8
Shigeta, Kazuma Kariya, JP 5 33

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