Marine propulsion – Screw propeller – With vibration dampening
Patent
1991-04-11
1992-09-22
Basinger, Sherman
Marine propulsion
Screw propeller
With vibration dampening
440 88, 440 89, B63H 512
Patent
active
051492849
ABSTRACT:
This invention is adapted to be embodied in an outboard motor that is comprised of a power head having an internal combustion engine surrounded by a protective cowling. The engine includes an exhaust port in communication with an exhaust pipe for discharging exhaust gases from the engine. A steering shaft is affixed to the drive shaft housing by upper and lower connections which include elastic bushings. An upper reservoir receives cooling water from the engine to cool structures adjacent the exhaust pipe and specifically the elastic bushings. The reservoir is dammed up on the forward side by the bushing and receives cooling from the cooling water.
REFERENCES:
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patent: 2916007 (1959-12-01), Kiekhaefer
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patent: 4303401 (1981-12-01), Sanmi et al.
patent: 4583953 (1986-04-01), Nakase
patent: 4607723 (1986-08-01), Okazi
patent: 4723926 (1988-02-01), Uehara
patent: 4963110 (1990-10-01), Otani et al.
Basinger Sherman
Beutler Ernest A.
Sanshin Kogyo Kabushiki Kaisha
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