Mounting and cooling arrangement for semiconductor switch of an

Details Mounting and cooling arrangement for semiconductor switch of an Mounting and cooling arrangement for semiconductor switch of an

1984-04-30

1985-12-17

Basinger, Sherman D.

Marine propulsion

Electric drive for propelling means

310 54, 310 87, B63H 2126

Patent

active

045590168

ABSTRACT:
A transistor (20) is mounted to a plug-in socket (22) and this assembly is in turn attached by a bolted (24) connection to a heat sink (18) which is slidably inserted within a housing (16) open to a bottom side and attached to a vertical tube (10) of an electric outboard motor near the lower unit (6) thereof and has its electrical connections (22d, 22e) with a multiwire conductor (26) sealed (27) in a watertight manner, the conductor extending through an opening (10a) in the sidewall of the tube (10) to the interior of the tube for connection with an upper unit (2) of the motor, the conductor (26) and sidewall opening (10a) also being sealed (28) in a watertight manner.

REFERENCES:
patent: 2116146 (1938-05-01), Gondek
patent: 3791331 (1974-02-01), Dilley
patent: 3906887 (1975-09-01), Kappas
patent: 3954081 (1976-05-01), Blake
patent: 4075970 (1978-02-01), Blake et al.
patent: 4362512 (1982-12-01), Johnson

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