Scroll-Type Expander And Fluid Machine Provided With Same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20150023824A1
SERIAL NO

14377789

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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To provide a scroll-type expander having a relatively simple structure, small energy loss, and high durability and reliability. A pump-integrated expander 27 includes an expansion unit 50 configured as a scroll-type expander. In the expansion unit 50, a working fluid passage 51e extending from a suction port 51c open to the outside to an inlet 51d open to an expansion chamber 54 is formed in a base 51a of a fixed scroll 51. A working fluid supplied from the outside is guided to the expansion chamber 54 by the working fluid passage 51e. In order to receive a thrust force acting on an orbiting scroll 53 and to prevent the rotation of the orbiting scroll 53, a ball-coupling anti-rotation mechanism 56 using balls as rolling members is disposed between a stepped face 52c of an expander housing 52 and a base 53a of the orbiting scroll 53.

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Patent Owner(s)

Patent OwnerAddress
SANDEN HOLDINGS CORPORATION20 KOTOBUKI-CHO ISESAKI-SHI GUNMA 372-8502

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakamura, Shinji Isesaki-shi, JP 169 1459
Tanaka, Yuuta Isesaki-shi, JP 11 14
Wada, Hirofumi Isesaki-shi, JP 44 385

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