Bearing device

Details Bearing device Bearing device

1976-08-30

1978-05-23

Bertsch, Richard A.

Cutlery

308DIG1, F16C 1304, F16C 2700

Patent

active

040907422

ABSTRACT:
A bearing device having a boundary layer of pressurized gas comprises an enclosed member of a box type, which has a semi-cylindrical surface of a semi-circular shape in its transverse cross section. The enclosed member has a plurality of minute holes in the aforesaid semi-cylindrical surface, which holes are directed towards the imaginary center of the aforesaid semi-cylindrical surface, and a pressurized air inlet provided in one wall of the enclosed member. A boundary layer of pressurized air is formed between the semi-cylindrical surface and an outer surface of a rotary shaft mounted thereon due to the injection of air therebetween through a plurality of minute holes defined in the semi-cylindrical surface of the enclosed member. Thus, the rotary shaft is supported by the pressurized air thus introduced, so that the rotary shaft may be rotated in a stable condition, with its center of rotation in coincidence with the imaginary center of the aforesaid semi-cylindrical curved surface.

REFERENCES:
patent: 3140853 (1964-07-01), Lindner
patent: 3169807 (1965-02-01), Abel et al.

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