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Pad-type-hydrodynamic-bearing

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Pad-type hydrodynamic bearing

Details

Inventors: Ide, Russell D.;
Assignee:
Primary Examiner: Footland; Lenard A.
Assistant Examiner:
Attorney, Agent or Firm: Barlow & Barlow

A pad-type sliding surface bearing is disclosed, in which the bearing surface is segmented into a plurality of pads that rockingly displace themselves to form a wedge shape converging in the direction of motion with a relatively moving part. The pads are each supported in a bearing housing or a support portion by a plurality of webs which indeed are integral with the pad and the housing or support portion, which allow the pad to rock by deflection of the webs. The opposing part that moves relative to the pads creates a viscous friction force in the direction to form a converging web shape between the moving part and the bearing pad, which rocks to a position until the bearing surface stabilizes where the moments of the fluid pressure and the load are in balance.

DETAILED DESCRIPTION The present invention relates to a bearing in which the pad is spaced from the support member by webs or flexible ligaments.
The ligments are arranged in an arcuate pattern such that under friction and pressure forces, the pad moves to form the lubricating wedge.
Movement of the pad is provided by the bending action of the webs' ligaments and is directly proportional to applied load without any stick slip associated with a sliding movement.
One of the primary objects of the present invention is to provide a bearing which will eliminate the need for any lubrication between the pad or face member and the support member, and to provide a bearing which will not only have bi-directional operation, but will also be operational in a high temperature or a corrosive chemical environment.

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