Reciprocating internal combustion engine with disconnectible exh

Details Reciprocating internal combustion engine with disconnectible exh Reciprocating internal combustion engine with disconnectible exh

1981-08-28

1983-12-06

Hart, Douglas

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

60611, 60612, F02B 3700

Patent

active

044185367

ABSTRACT:
A reciprocating internal combustion engine which includes several exhaust gas turbochargers, with one or more of the exhaust gas turbochargers being adapted to be disconnected during partial load operation of the engine. A blocking device such as, for example, a flap, a valve, or the like is arranged in an exhaust gas duct and in an intake duct of each disconnectible exhaust gas turbocharger. For a connection or disconnection of the respective exahust gas turbochargers, the exhaust gas blocking device is opened or closed, respectively, arbitrarily or under control of operating parameters of the internal combustion engine. An operating or coupling connection is provided between the exhaust gas blocking device and the supercharger air blocking device. The connection permits, upon a connection of the exhaust gas turbocharger, with the supercharger air blocking device still being closed, an opening of the exhaust gas blocking device only up to an intermediate position at which the rotational speed of the non-conveying or inoperative turbocharger is limited to permissible values, and permitting a further opening of the exhaust gas blocking device only together with or after an opening of the supercharging air blocking device.

REFERENCES:
patent: 2359615 (1944-10-01), Browne
patent: 4299090 (1981-11-01), Deutschmann

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