Power plants – System having plural motors or having diverse types of... – Having condition responsive control
Patent
1988-05-10
1989-03-07
Koczo, Michael
Power plants
System having plural motors or having diverse types of...
Having condition responsive control
60612, F02B 7300, F02D 2500
Patent
active
048095060
ABSTRACT:
The engine plant comprises a plurality of turbocharged combustion engines (1, 2), the charging air systems of which are interconnected by means of a closeable conduit (14). Conduit (14) is adapted to supply supplementary charging air from the charging air system of a loaded engine (1) to the charging air system of an unloaded engine (2). A stop valve (15) is provided in the conduit and is controlled in dependence on the working condition of the associated engine (2) on the basis of a comparison between the charging air pressure and the exhaust gas pressure. Said comparison of pressures is effected by means of a surveillance unit (18) accommodating a duct system with two separate branches connected with the charging air system and the exhaust gas system, respectively. The branches are connected with a common outlet and a thermosensor is provided in either branch. By suitable dimensioning of the surveillance unit (18) it is obtained that said two thermosensors--dependent on the prevailing pressures--are either surrounded by two different gas flows or surrounded by the same gas flow. This provides for obtaining that a traditional measuring of pressures with the particular problems involved in this respect is avoided since the aim is now merely to detect a temperature difference which may be effected irrespective of the actual pressure conditions.
REFERENCES:
patent: 1051308 (1913-01-01), Buchi
Koczo Michael
Man B&W Diesel A/S
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