Air gaging for setting gaps in hydrodynamic bearings

Details Air gaging for setting gaps in hydrodynamic bearings Air gaging for setting gaps in hydrodynamic bearings

1997-12-16

2000-09-19

Bryant, David P.

Metal working

Method of mechanical manufacture

Process for making bearing or component thereof

2940701, 2940705, 2940708, 310 90, 384 40, B21D 5310, B21K 176, B23P 1700

Patent

active

061193488

ABSTRACT:
A method for setting a gap at or near an optimum width in a hydrodynamic bearing defined between a shaft having end pieces, the end pieces having axially opposing exterior sides which are not parallel, the end pieces being adjustable axially, and a surrounding sleeve comprising independently supporting the shaft and the sleeve to be capable of finely positioned relative motion, in which adjustment is accomplished by moving the shaft and the sleeve together to form the gap with respect to the end pieces and the sleeve and supplying pressurized air to an opening to the gap to cause air to flow through the gap, while monitoring an air pressure drop due to the air flow through the gap while the end pieces are adjusted.

REFERENCES:
patent: 4928029 (1990-05-01), Wright
patent: 4998033 (1991-03-01), Hisabe et al.
patent: 5127744 (1992-07-01), White et al.
patent: 5283491 (1994-02-01), Jabbar et al.

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