Automatic motor synchronizer

Details Automatic motor synchronizer Automatic motor synchronizer

1989-12-28

1991-04-02

Shoop, Jr., William M.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Synchronizing or phasing control

318 77, 318588, B63H 2502

Patent

active

050049623

ABSTRACT:
An automatic synchronizer 20 includes a throttle rod 62 which provides a direct link between the slave motor throttle lever 44 and the slave motor 36. A microprocessor system 30 provides a signal to a bi-directional synchronization motor 58 dependent on the difference in speed between a master reference motor 34 and the slave motor 36. Depending on this signal, the synchronization motor 58 positions the throttle rod 62 in order to directly effect the speed of the slave motor 36 and to reposition the slave motor throttle lever 44 to a position appropriate to the speed of the slave motor 36. Once synchronization has occurred, an electrically operated clutch 60 is deactivated such that a normal force will move the slave throttle lever 44.

REFERENCES:
patent: 3351831 (1967-11-01), Hemphill et al.
patent: 3870935 (1975-03-01), Abels et al.
patent: 4135118 (1979-01-01), Seeger et al.
patent: 4308489 (1981-12-01), Bergmann
patent: 4559482 (1985-12-01), Fencl
patent: 4739236 (1988-04-01), Burkenpas
"The Glendinning Automatic Twin Engine Synchronizer", Sturdy Marine, Sep. 29, 1987.
"Digital Engine Synchronizer", Sturdy Marine, Sep. 21, 1988.

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