Scroll-type fluid machine with grease-lubricated orbiting bearing

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United States of America Patent

PATENT NO 9790943
SERIAL NO

14608427

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Abstract

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A scroll-type fluid machine reduces intrusion of abrasion powders, generated by sliding of a conductor causing an orbiting scroll side and a fixed scroll side to be conducted, into a compression chamber, and improves reliability of a compressor. The scroll-type machine includes a casing, a fixed scroll having a flange surface attached to the casing, and a wrap portion provided at an end plate, an orbiting scroll having a wrap portion provided at the end plate, and provided in an opposed relationship with the fixed scroll, a drive shaft connected through a crank portion to the orbiting scroll, an orbiting bearing, a face seal portion arranged between the orbiting scroll and the fixed scroll, a cooling fan, and an orbiting scroll side conductive brush.

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Patent Owner(s)

Patent OwnerAddress
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harashima, Toshikazu Tama, JP 16 94
Iwano, Kiminori Sagamihara, JP 17 125
Kawabata, Natsuki Shizuoka, JP 19 150
Kobayashi, Yoshio Ebina, JP 79 737
Yamazaki, Shumpei Ebina, JP 35 380

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