Twin-shaft type propulsion arrangement for a tug boat

Details Twin-shaft type propulsion arrangement for a tug boat Twin-shaft type propulsion arrangement for a tug boat

1975-01-20

1976-06-15

Reger, Duane A.

115 37, B63H 506

Patent

active

039629856

ABSTRACT:
A twin-shaft Z type propelling arrangement for a tug boat comprises a variable slip transmission, such as a friction clutch provided between the main engine and the Z type propelling mechanism of the boat, and a mechanism for providing variable amount of slip for the transmission mechanism at the minimum speed operation of the engine.

REFERENCES:
patent: 2166586 (1939-07-01), Gates
patent: 3112728 (1963-12-01), Krause
patent: 3199646 (1965-08-01), McBride
patent: 3217851 (1965-11-01), Mogk et al.
patent: 3371759 (1968-03-01), Sapolsky

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