H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/47
H02K 7/118 (2006.01) E05B 47/06 (2006.01) F01D 25/36 (2006.01) F03B 13/00 (2006.01) F16H 63/34 (2006.01) H02K 7/18 (2006.01) H02K 51/00 (2006.01)
Patent
CA 2035985
An engaging lever lock for rotor turning gear in a steam turbine includes a selectable lock that is diseased to hold the lever at its engaged position and control circuitry for activating the selectable lock. With a first embodiment, the selectable lock includes an electromagnet. On the other sand, with a second embodiment, the selectable lock includes a plunger-pin arrangement that is activated by a solenoid to extend into a hole farmed in the lever, and is biased toward a retracted position away from the hole by a spring which is disposed around the pin between the plunger and the solenoid.
Berrong David Bruce
Hyde Gilbert Frederick
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Westinghouse Electric Corporation
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