Start-up motor assembly for rotational machines

Details Start-up motor assembly for rotational machines Start-up motor assembly for rotational machines

1978-06-26

1980-07-08

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

With lubricators

60 3909R, 60 3914M, 415175, F01B 1900, F01B 2534

Patent

active

042110700

ABSTRACT:
The invention concerns a rotation apparatus for use with a rotating machine having a drive shaft. The rotation apparatus comprises an auxiliary shaft positioned in spaced relation relative to the drive shaft. Radial and axial bearings rotatably support the auxiliary shaft. Step-down gearing interconnects the auxiliary shaft and the drive shaft so that rotation of the former drives the latter. A rotational start-up mechanism comprising a hydrostatic motor and overriding clutch is drivingly connected to the auxiliary shaft to drive the latter. The hydrostatic motor and overriding clutch are mounted within a bearing housing of the turbine. The turbine drives a pump for supplying lubricating oil to the turbine bearings. A conduit also connects the pump with the hydrostatic motor so that the motor is continuously rotated once the turbine has been started.

REFERENCES:
patent: 2711071 (1955-06-01), Frankel
patent: 2751749 (1956-06-01), Newcomb
patent: 2839893 (1958-06-01), Rothemund
patent: 3156229 (1964-11-01), Manning
patent: 3472024 (1969-10-01), Strub et al.

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