Watertighting device

Details Watertighting device Watertighting device

B - Operations, Transporting

63

H

115/6

B63H 21/32 (2006.01) F02B 61/04 (2006.01)

Patent

CA 1050354

ABRIDGEMENT A marine outboard motor is provided with an exhaust housing watertighting device to operate automatically in the event of a capsize. The exhaust gases pass downward through a vertical tube, to a ring of exhaust ports in the tube wall and, if the engine is inverted, a weighted sleeve fitted telescop- ically round the lower end of the tube drops into a position where it closes the exhaust ports in a fluid-tight manner. in- side the tube is a check-valve in the form of a captive ball, that upon inversion, drops on to a valve seat located above the ring of exhaust ports.

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