F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
60/8
F02B 37/00 (2006.01) F01D 25/18 (2006.01) F02B 39/14 (2006.01) F04D 29/04 (2006.01) F04D 29/06 (2006.01) F16J 15/40 (2006.01)
Patent
CA 1100767
A TURBOCHARGER ASSEMBLY Abstract of the Disclosure 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 dis- posed 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.
316595
Muntean George L.
Perr Julius P.
Cummins Engine Company Inc.
Smart & Biggar
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