Heat exchanger

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7607473
APP PUB NO 20070131391A1
SERIAL NO

10588209

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An evaporator has a header tank including a header forming plate with outward bulging portions, a tube connecting plate, and an intermediate plate. Tube insertion holes are formed in the tube connecting plate. Communication holes formed in the intermediate plate cause the tube insertion holes to communicate with the interior of the corresponding outward bulging portion therethrough. At least one of the outward bulging portions allows a refrigerant to flow therethrough longitudinally. All the communication holes in communication with the refrigerant passing bulging portion are held in communication by communication portions for the communication holes, the communication portions providing a refrigerant passageway. The refrigerant passageway is altered in cross sectional area along the longitudinal direction thereof by adjusting the width of the communication portions.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SHOWA DENKO K K13-9 SHIBA DAIMON 1-CHOME MINATO-KU TOKYO 1058518 ?1058518

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ichiyanagi, Shigeharu Oyama , JP 13 144

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