Antifriction bearing capable of generating electrial energy

Details Antifriction bearing capable of generating electrial energy Antifriction bearing capable of generating electrial energy

1994-09-12

1995-08-08

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

384446, F16C 3200

Patent

active

054401844

ABSTRACT:
A bearing fits over the journal of a rail car axle and within an adaptor that is received within a pedestal opening of the side frame of a rail car truck. The bearing includes an outer race in the form of a double cup, an inner race in the form of two cones, and rolling elements in the form of tapered rollers. The cup and cones have raceways, and the tapered rollers are arranged in two rows between the raceways. Seals close the ends of the bearing, establishing dynamic fluid barriers around wear rings that encircle the journal beyond both ends of the bearing. The bearing between its two rows of tapered rollers contains a generator for producing electrical energy.

REFERENCES:
patent: 4688951 (1987-08-01), Guers
patent: 4732494 (1988-03-01), Guers et al.
patent: 5021697 (1991-06-01), Kralick
patent: 5085519 (1992-02-01), Dougherty
patent: 5209580 (1993-05-01), Nakayama
Dayco Railway Caboose Alternator & Generator Drives.
Sep. 11, 1991 Fifth International conference on Electrical Machines and Drives London: Institution of Electrical Engineers 1991, pp. 31-35.

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