Tank sealing valve and evaporation fuel processing device including the same

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United States of America Patent

PATENT NO 9802479
SERIAL NO

15227087

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A tank sealing valve arranged in a passage network through which a fluid flows between a fuel tank and a canister includes a first valve unit and a second valve unit. A first port and a second port of three ports included in an outer case body of the first valve unit are open toward a first chamber of two chambers divided by a diaphragm or a bellows of the first valve unit, and a third port of the three ports is open toward a second chamber of the two chambers. A valve body of the first valve unit includes a through passage penetrating a valve portion and a column portion of the valve body. The valve portion communicates with the first port and the second chamber through the through passage in a case where the first port is closed. The second valve unit opens and closes the third port.

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Patent Owner(s)

  • DENSO CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miura, Yuichiro Kariya, JP 38 478

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