Fume exhaustion safety device

Details Fume exhaustion safety device Fume exhaustion safety device

1990-12-14

1991-09-24

Sotelo, Jesus D.

Ships

Ventilation

440 89, 60324, 98 1, 181238, B63J 200

Patent

active

050505203

ABSTRACT:
A fume exhaustion safety device is designed for use on a boat having an internal combustion engine mounted within a closed engine compartment. An exhaust vent tube extending from the engine compartment to exhaust gaseous fluid to the exterior of the boat includes a blower fan to move the gases through the vent tube. The safety device includes a shutter or sail pivotally mounted within the vent tube to operate a microswitch when gaseous fluid moves through the vent tube. The microswitch is electrically connected to the ignition switch of the boat, the engine starter and the blower fan so as to prevent the connection of electrical power to the starter when the blower fan switch is on but no gaseous fluid is flowing through the vent tube.

REFERENCES:
patent: 2573986 (1951-11-01), Roper
patent: 3315584 (1967-04-01), Van Ranst
patent: 3489912 (1970-01-01), Hoffman, Jr.
patent: 4773215 (1988-09-01), Winberg et al.

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