Turbo compressor and centrifugal chiller comprising same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11774146
APP PUB NO 20210010719A1
SERIAL NO

16982934

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided are a turbo compressor and a centrifugal chiller comprising the same with which the length of a shaft in an axial direction can be shortened, rotational shake accompanying rotation of the shaft is suppressed, and a device can be made small. A turbo compressor comprising: a compressor part which compresses refrigerant; a shaft (15) which drives the compressor part around an axis of rotation X; a magnetic bearing (30A) which has provided thereto an iron core part (32) comprising a plurality of teeth parts (34) formed at equiangular intervals around the axis of rotation X, and, a plurality of coils (36) respectively wound around the plurality of teeth parts (34), and said magnetic bearing (30A) allows the shaft (15) to pass through and supports said shaft (15) without contacting the same; an auxiliary bearing which allows the shaft (15) to pass through; and a displacement sensor (50) which detects displacement of the shaft (15), wherein the displacement sensor (50) is provided between neighboring coils (36).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS LTDSANTINGMU NO 2 FAN NO 3 TAKESHITA PILLS THE CAPITAL OF TOKYO JAPAN TOKYO TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Yasushi Tokyo, JP 93 700
Omura, Shintaro Tokyo, JP 13 45
Ueda, Kenji Tokyo, JP 289 3182

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