Thrust hydrostatic bearing device for use in axial piston machine

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United States of America Patent

PATENT NO 4788902
SERIAL NO

07088415

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Abstract

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A thrust hydrostatic bearing device for use in an axial piston machine includes a bearing sleeve fitted into a housing cover for rotatably supporting a drive shaft through a bearing and having a plurality of hydrostatic pads. The hydrostatic pads are disposed at locations which are symmetrical with respect to an axis lying in a cross-section taken perpendicular to the drive shaft, and these pads increase the performance and durability of the thrust hydrostatic bearing device for use in an axial piston machine.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD 6 KANDA SURUGADAI 4-CHOME CHIYODA-KU TOKYO JAPAN A CORP OF JAPANNot Provided
HITACHI CONSTRUCTION MACHINERY CO LTD 6-2 OHTEMACHI-2-CHOME CHIYODA-KU TOKYO JAPAN A CORP OF JAPANNot Provided

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akasaka, Yoshimichi Tsuchiura, JP 6 41
Gotoh, Yasuharu Tsuchiura, JP 7 45
Ichiryu, Ken Ibaraki, JP 22 318
Kometani, Eiji Abiko, JP 3 21
Nakamura, Ichiro Katsuta, JP 81 2127

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