Rotor rotating device for driving or driven machines

Details Rotor rotating device for driving or driven machines Rotor rotating device for driving or driven machines

1983-05-06

1985-04-02

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Having ancillary structure for starting

60721, 60 39142, 74 6, 192 67R, 192 85C, 415122R, F01K 2508

Patent

active

045079269

ABSTRACT:
A rotor rotating device connected to an oil supply system for turning the rotor of a rotary machine, which rotor is fitted with a gear wheel, the device including: a hydraulic motor; a hub mounted to be rotated by the motor; a pinion mounted on the hub and dimensioned to mesh with the gear wheel; a screw shift drive operatively associated with the pinion for permitting movement of the pinion in the direction of the axis of rotation of the hub between a first position in which the pinion is disengaged from the gear wheel and a second position in which the pinion meshes with the gear wheel; a compression spring disposed to urge the pinion toward the first position; and a piston connected to the pinion and arranged to be actuated by oil under pressure from the oil supply system for moving the pinion into the second position.

REFERENCES:
patent: 2245175 (1941-06-01), Bany
patent: 2614798 (1952-10-01), Rubbra
patent: 2968914 (1961-01-01), Birmann
patent: 3269703 (1966-08-01), Durdin et al.
patent: 3472024 (1969-10-01), Strub et al.
patent: 3831381 (1974-08-01), Swearingen
patent: 4030296 (1977-06-01), Deinlein-Kalb
patent: 4437809 (1984-03-01), Nutter

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