Bore hole tool assembly and method of designing same

Details Bore hole tool assembly and method of designing same Bore hole tool assembly and method of designing same

2007-10-09

2007-10-09

Hannon, Thomas R. (Department: 3682)

Metal working

Method of mechanical manufacture

Process for making bearing or component thereof

C384S304000

Reexamination Certificate

active

10538453

ABSTRACT:
A bore hole tool assembly utilizes a multi-stage bearing system deployed between an inner mandrel and an outer tool housing wherein each bearing stage includes bearing element deployed between two deformable elements. The deformable elements are selected, based on the design and material characteristics of the housing, mandrel and bearings, such that tension and compressive loads are distributed proportionally across each bearing stage. A method for calculating loading and the selection of the deformable elements is also disclosed.

REFERENCES:
patent: 3666330 (1972-05-01), Dicky et al.
patent: 4729675 (1988-03-01), Trzeciak et al.
patent: 5074681 (1991-12-01), Turner et al.
patent: 6202762 (2001-03-01), Fehr et al.
patent: 2006/0118337 (2006-06-01), Roggeband

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