Turbocharger bearing and lubrication system

Details Turbocharger bearing and lubrication system Turbocharger bearing and lubrication system

1986-12-19

1989-01-17

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

184 63, 184 616, 184 622, 384504, 384518, F04B 1700, F04B 3504

Patent

active

047985232

ABSTRACT:
The rotating components of an exhaust gas driven turbocharger are supported by a pair of axially separated ball bearings having an outer race and an inner race. A spacer between the bearings engages the outer race of both bearings and exerts a preload bias on the outer races of the bearings urging the outer races away from one another. Accordingly the bearings are preloaded so that centrifugal forces generated during high speed operation will not force the ball bearing away from the inner races.

REFERENCES:
patent: 2173489 (1939-09-01), Voigt
patent: 2775400 (1956-12-01), Cox
patent: 3017230 (1962-01-01), Meermans
patent: 3651550 (1972-03-01), Bennett
patent: 3692146 (1972-09-01), Butler
patent: 3827236 (1974-08-01), Rust
patent: 3986754 (1976-10-01), Torrant
patent: 4285632 (1981-08-01), DeSalve
patent: 4426965 (1984-01-01), Patel
patent: 4652219 (1987-03-01), McEachern, Jr.
MacInnes, H, Turbochargers, HP Books, Tucson, Ariz. 85703, 1984, p. 74.

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