Marine propulsion unit

Details Marine propulsion unit Marine propulsion unit

1985-02-15

1987-02-17

Blix, Trygve M.

Marine propulsion

Screw propeller

Having transmission

440 83, 440 86, 74416, B63H 2306

Patent

active

046436871

ABSTRACT:
A marine propulsion unit having an engine (13) mounted with the output end directed toward the stern of a boat is disclosed in which a required inclination of propeller shaft (15) is provided outside a reversing clutch mechanism (17) by an intermediate shaft (32) and a pair of meshing bevel gears (38, 39) incorporated in the transmission path. The bevel gears (38, 39) are fixedly mounted on either of output shaft (21) or input shaft (20) of the clutch mechanism (17) and the intermediate shaft (32) among which one of the shafts taking a rearer position is inclined relative to the other shaft downwardly and backwardly. These two shafts are disposed relative to each other so that opposed ends thereof take substantially a same level. The propulsion unit permits a low level mounting of engine and may be manufactured with a low cost while permitting to employ a reversing clutch mechanism in boats having different layouts of propulsion unit.

REFERENCES:
patent: 2130125 (1938-09-01), Fromm
patent: 2282612 (1942-05-01), Schultz
patent: 2521368 (1950-09-01), Hingerty
patent: 3570319 (1971-03-01), Arnold
patent: 3937093 (1976-02-01), Johnson et al.
patent: 4121532 (1978-10-01), Coryell
patent: 4188833 (1980-02-01), Krauss et al.
patent: 4303400 (1981-12-01), Yano et al.

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