Bearings – Rotary bearing – Resilient bearing surface
Patent
1997-08-18
1998-11-10
Footland, Lenard A.
Bearings
Rotary bearing
Resilient bearing surface
384279, 384425, 384426, 384906, F16C 1710
Patent
active
058333703
ABSTRACT:
The present invention relates to an oil-retaining bearing for a rotary machine. In the oil-retaining bearing for a rotary machine according to the present invention, a first lock section is provided in a bearing housing; a first thrust spacer is relatively rotatably mounted in the vicinity of the end face of the oil-retaining bearing for a rotary machine; the first thrust spacer is provided with a second lock section, in engagement with the first lock section; a second thrust spacer is relatively non-rotatably mounted on the rotating shaft; and a third thrust spacer having elasticity is relatively rotatably mounted on the rotating shaft; the third thrust spacer being interposed between the first thrust spacer and the second thrust spacer. Furthermore, in the oil-retaining bearing structure for a rotary machine according to the present invention, a small hole is provided in the bearing housing through which the rotating shaft is mounted; at least one axial groove is formed in the inner surface of the bearing housing; and at least one radial groove is formed in the inner surface of the bearing housing; the axial groove being connected with the small hole section through the radial groove.
REFERENCES:
patent: 4838710 (1989-06-01), Ohta et al.
patent: 5094548 (1992-03-01), Danly
patent: 5295330 (1994-03-01), Hoffman
Ikeda Jun-ichi
Ito Naoya
Mimura Masahiro
Tamabuchi Takeaki
Footland Lenard A.
Japan Servo Co. Ltd.
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