Pumps – Motor driven – Fluid motor
Patent
1977-12-27
1980-06-10
Koczo, Michael
Pumps
Motor driven
Fluid motor
60602, 60605, 415111, F02B 3700
Patent
active
042070350
ABSTRACT:
A turbocharger assembly is provided for use with an internal combustion engine. The assembly includes a compressor chamber having a compressor wheel disposed therein and a turbine chamber having a turbine wheel disposed therein. The two wheels are affixed to a rotating shaft. A lubricated bearing assembly is disposed between the chambers and encompasses the shaft. A dynamic first seal encompasses the shaft and is disposed between the bearing assembly and the compressor chamber. A second seal encompasses the shaft and is disposed between the bearing assembly and the turbine chamber. Controlled first means is provided for braking rotation of the shaft. Second means is provided which, when the first means is in a shaft-braking mode, causes a predetermined gaseous pressure to be exerted on the first seal inhibiting migration of the lubricant from the bearing assembly to the compressor chamber.
REFERENCES:
patent: 2480095 (1949-08-01), Buchi
patent: 2646210 (1953-07-01), Kohlmann et al.
patent: 3021146 (1962-02-01), Sommer et al.
patent: 3025036 (1962-03-01), Kumm et al.
patent: 3038318 (1962-06-01), Hanny
patent: 3090546 (1963-05-01), Woollenweber
patent: 3099433 (1963-07-01), Wagner et al.
patent: 3420434 (1969-01-01), Swearingen
Muntean George L.
Perr Julius P.
Cummins Engine Company, Inc.
Koczo Michael
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