Lubricated bearing assembly

Details Lubricated bearing assembly Lubricated bearing assembly

1991-12-16

1993-02-02

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384462, 384506, F16C 3306, F16C 3360

Patent

active

051833425

ABSTRACT:
A bearing assembly includes a split inner race disposed on a distal end of an output shaft disposed coaxially about an input shaft. A plurality of bearing elements are disposed around the inner race, with a stationary outer race surrounding the elements. The inner race includes a plural number A.sub.1 of radially extending splitline channels in flow communication with a circumferential splitline manifold between the inner race and the output shaft distal end. A first half of the inner race includes a plural number B.sub.1 of radially extending first channels disposed in flow communication with a circumferential first manifold defined between the inner race first half and the output shaft distal end for channeling oil to the cage. The output shaft distal end includes a number A.sub.2 of axial splitline feed groves joined in flow communication with a respective number of radial splitline feed holes therein for channeling oil to the splitline maniflod, and a number B.sub.2 of axial first-manifold feed grooves joined in flow communication with a respective number of radial first-manifold feed holes therein for channeling oil to the first manifold. The numbers A.sub.2 and B.sub.2 are less than A.sub.1 and B.sub.1, respectively.

REFERENCES:
patent: 3195965 (1965-07-01), Van Dorn
patent: 3269786 (1966-08-01), Diver et al.
patent: 3531167 (1970-09-01), Edge et al.
patent: 4334720 (1982-06-01), Signer
patent: 4384749 (1983-05-01), Schaefer
patent: 4463994 (1984-08-01), Eliason et al.
patent: 4479682 (1984-10-01), Oliver
patent: 4797014 (1989-01-01), Nicolich
patent: 4858427 (1989-08-01), Provenzano
patent: 4932500 (1990-06-01), Smith et al.

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