Multi-engine plant including turbocharged combustion engines

Details Multi-engine plant including turbocharged combustion engines Multi-engine plant including turbocharged combustion engines

1986-10-23

1988-11-29

Husar, Stephen F.

Power plants

System having plural motors or having diverse types of...

Having condition responsive control

60716, F02D 2500

Patent

active

047872071

ABSTRACT:
The multi-engine consists in one embodiment of a relatively large turbocharged ship's diesel engine and three smaller turbocharged auxiliary or stand-by diesel engines. The main engine is primarily adapted for propelling the ship while the auxiliary engines solely drive electric generators. In view of the rigorous demands on the security of the delivery of electricity it is desirable to operate one or more of the auxiliary engines in stand-by mode during a substantial part of the operation time of the plant, i.e. unloaded or at low load. This involves problems for the engine concerned because the charging air pressure generated by the associated turbocharger is then lower than the exhaust gas pressure. As the turbocharger of the main engine produces a large amount of charging air at normal operation, the charging air system of said engine is connected in parallel with the charging air systems of the auxiliary engines through a conduit, whereby surplus charging air from the main engine is utilized to raise the charging air pressure in the auxiliary engine(s) running in stand-by mode.

REFERENCES:
patent: 1880674 (1932-10-01), Bauer
patent: 2998698 (1961-09-01), Rieseler

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