Water jet propulsion unit mounting structure

Details Water jet propulsion unit mounting structure Water jet propulsion unit mounting structure

1994-11-17

1999-10-19

Brahan, Thomas J.

Marine propulsion

Inboard engine mount

440 38, 440 47, 440 52, B63H 1100

Patent

active

059678682

ABSTRACT:
A jet drive unit is mounted within a jet propelled watercraft in a fashion which prevents vibrations due to the operation of the craft's impeller system from transmitting to the hull. The power transmitting shaft system connecting the water jet unit impeller with the craft's engine is made through an elastic, vibration dampening coupling. Further, the water jet unit casing is mounted to the hull through a plurality of vibration insulating connector assemblies. Thus undesirable hull vibration, and its accompanying noise, may be eliminated.

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patent: 4813898 (1989-03-01), Nakase et al.
patent: 4925408 (1990-05-01), Webb et al.

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