Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1997-02-26
1999-01-12
Koczo, Michael
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
F02B 3718
Patent
active
058573372
ABSTRACT:
A turbocharger incorporates a turbine rotor, a housing having defined therein a turbine housing portion in which the turbine rotor rotated by exhaust gas is disposed, a shaft rotatably supported on the bearing housing portion via a bearing, a compressor rotor fixed to a second end of the shaft, a bypass passage formed on the turbine housing portion so as to communicatively connect an exhaust gas inlet and an exhaust gas outlet of the housing while bypassing the turbine rotor, a waste gate valve disposed in the bypass passage and operatively positioned to open or close the bypass passage in response to a boost pressure, and a nozzle member fixedly positioned with the exhaust gas outlet of the housing such that a first end of the nozzle member is adjacent to the turbine rotor while maintaining a predetermined clearance therefrom and a second end of the nozzle member defines an opening of an exhaust gas outlet side of the bypass passage oriented along the direction of the main flow of the exhaust gas discharged from the turbine rotor. The housing further has defined therein the exhaust gas inlet, the exhaust gas outlet and a bearing housing portion which is formed on the turbine housing portion. The turbine rotor is fixed to a first end of the shaft. The compressor rotor is disposed in a compressor housing fixed to the bearing housing portion.
REFERENCES:
patent: 5579643 (1996-12-01), McEwen et al.
patent: 5584181 (1996-12-01), Jinnouchi
Aisin Seiki Kabushiki Kaisha
Koczo Michael
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