Rotary compressor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11473581
APP PUB NO 20200200176A1
SERIAL NO

16637606

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A rotary compressor includes a first cylinder, a first piston and a drive shaft. The drive shaft includes a first eccentric portion, a first shaft portion rotatably supported by a first bearing, and a first coupling portion coupling the first shaft portion with the first eccentric portion. The first piston is fitted to the first eccentric portion. The first shaft portion has a cylindrical shape coaxial with the rotational center axis. Re1−e11. Re1 is a radius of the first eccentric portion. R1 is a radius of the first shaft portion. e1 is an eccentricity of the first eccentric portion. An outer surface of the first coupling portion does not extend radially out of the outer surface of the first eccentric portion. A circumferentially extending groove is formed at an end of an inner peripheral surface of the first piston on a first coupling portion side in the axial direction of the drive shaft.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
DAIKIN INDUSTRIES LTDOSAKA UMEDA TWIN TOWERS SOUTH 1-13-1 UMEDA KITA-KU OSAKA-SHI OSAKA 5300001 ?5300001

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Higashi, Hirofumi Osaka, JP 34 244
Nishimura, Kousuke Osaka, JP 16 19
Sotojima, Takazou Osaka, JP 13 50

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