Marine power Y-adapter

Details Marine power Y-adapter Marine power Y-adapter

1990-03-16

1993-09-14

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Series-parallel connection of sources

307 87, 307130, H02J 338, H01H 8318, H02H 338

Patent

active

052452190

ABSTRACT:
A "Y" adapter for supplying power to a marine vessel from a dockside power center having two receptacles includes two three-pole plugs insertable into the receptacles, a third four-pole plug for connection to the wiring system of the vessel and a sensing and control unit for selectively switching paths between these plugs. All conductor lines are switchable to the third plug and between the input plugs by a voltage and phase sensing unit and contactor arrangement. Energization of one input plug while the other one is plugged into a receptacle is prevented and other dangerous voltage circumstances are also prevented.

REFERENCES:
patent: 3213362 (1965-10-01), Silliman et al.
patent: 4204243 (1980-05-01), Ross
patent: 5160852 (1992-11-01), Charles et al.
Published advertisement titled "Double Energy", Charles Marine Products (published before Jan. 4, 1990).

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