Remote operated turning gear engager

Details Remote operated turning gear engager Remote operated turning gear engager

1985-09-13

1987-02-17

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Including shaft transmission train, brake, clutch, or...

415 19, 74128, 74142, F16H 2702, F01D 2534

Patent

active

046436375

ABSTRACT:
A remote operated turning gear engager for rotating a turbomachine rotor is disclosed. Pressurized oil is selectively supplied to displace a piston to engage the turning gear with the rotor. Electrical sensing means are utilized to verify that the turning gear is in the appropriate position. Additional control means are provided for discontinuing turning gear operation should insufficient oil be supplied to the bearings. Other circuit means prevent operation of the turning gear should the rotor be rotating and allow for a bypass of this safety feature for positioning the rotor for service requirements.

REFERENCES:
patent: 3791231 (1974-02-01), Geary
patent: 3859863 (1975-01-01), Howlett
patent: 4018094 (1977-04-01), Schmidt
patent: 4090409 (1978-05-01), Ohleyer
patent: 4151760 (1979-05-01), Bernasconi et al.
patent: 4220439 (1980-09-01), Burch et al.
patent: 4267740 (1981-05-01), Schwarz et al.

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