Expansion valve, and refrigeration cycle system using expansion valve

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United States of America Patent

PATENT NO 10401065
APP PUB NO 20170307268A1
SERIAL NO

15508196

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is an expansion valve, including: a case having a valve chamber formed therein; and a valve element arranged in the valve chamber. The case includes: a side wall portion to which a first pipe is connected; and an end wall portion to which a second pipe is connected. The end wall portion has a fluid communication hole to be opened and closed by the valve element. The fluid communication hole is formed so that the following expression is satisfied: L<λ/2, where L represents an axial length of the fluid communication hole, and λ represents a resonance wavelength.

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First Claim

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Patent Owner(s)

  • MITSUBISHI ELECTRIC CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shimazu, Yusuke Tokyo, JP 51 381

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