Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Reexamination Certificate
2005-05-03
2005-05-03
Trieu, Thai-Ba (Department: 3748)
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
Reexamination Certificate
active
06886335
ABSTRACT:
A device for preventing the turbo-charger from over-running, wherein an actuator is arranged in a by-pass bypassing a turbine of the turbo-charger and operates a waste gate valve. The actuator has a positive pressure chamber communicated, via a boost pipe, with an intake air passage downstream of a compressor and a negative pressure chamber communicated with a source of negative pressure via a negative pressure pipe. The negative pressure chamber is so constituted as to be supplied with a negative pressure to have a target pressure that is set relative to the atmospheric pressure.
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European Search Report dated Mar. 8, 2004.
Hagio Kenji
Metoki Naohito
Tabata Tetsuo
Tazawa Takayuki
Dresser, Esq. James N.
Isuzu Motors Limited
Trieu Thai-Ba
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