Hydraulic device for rotating a turbine

Details Hydraulic device for rotating a turbine Hydraulic device for rotating a turbine

1976-04-08

1977-06-21

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Having plural energy input means, pumps or diverse pump outlets

60721, 290 52, F15B 1309

Patent

active

040302962

ABSTRACT:
A device for rotating a turbine, particularly during starting, comprises a positive displacement-type main oil pump which has a main pump suction which is connected to the discharge of a high pressure oil pump which also has a connection to supply oil to the bearings. An auxiliary oil pump is mechanically coupled to the high pressure pump and it is also hydraulically connected in series to the high pressure pump. When the pressure builds up between the high pressure pump and the main pump, the main pump may be driven as a motor by the high pressure pump to effect a turning of the turbine.

REFERENCES:
patent: 3953787 (1976-04-01), Helbling
B584,520, Jan. 1976, Rice, 60/486 X.

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