Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...
Patent
1983-05-17
1985-08-13
Sotelo, Jesus D.
Marine propulsion
Screw propeller
With means effecting or facilitating movement of propulsion...
114150, B63H 512
Patent
active
045347379
ABSTRACT:
An outboard propulsion system comprising a support for attachment to the deck of a vessel to which is bolted a prime mover with its drive shaft in a horizontal position transversely of the vessel, a propulsion assembly supported by the support in suspension outboard of the vessel for arcuate movement about a horizontal axis parallel to the axis of the drive shaft, the propulsion assembly comprising an upper gear box, an input shaft journaled in the gear box on an axis coinciding with said horizontal axis, a steering column connected at its upper end to the gear box for rotation about an axis at right angles to the axis of the input shaft, a lower gear box fixed to the lower end of the steering column within which is journaled a propeller shaft, gears in the lower gear box drivably connecting the propeller shaft to the transmission shaft, a hydraulic elevating cylinder for effecting arcuate movement of the propulsion assembly in a vertical plane about the axis of the input shaft, a hydraulic clutch for operably connecting the input shaft to the transmission shaft, a hydraulic motor for effecting rotation of the steering column, a hydraulic pump coupled to the input shaft for generating hydraulic pressure and circuitry for supplying the hydraulic pressure to the hydraulic elevating cylinder, the hydraulic clutch and the hydraulic motor.
REFERENCES:
patent: 2458813 (1949-01-01), Wanzer
patent: 3122123 (1964-02-01), Shallbetter et al.
patent: 3396692 (1968-08-01), Bergstedt
patent: 3486478 (1969-12-01), Halliday
patent: 3520272 (1970-07-01), Ellzey
patent: 3885517 (1975-05-01), Borst et al.
Mathewson Corporation
Sotelo Jesus D.
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