"Z" type steerable balanced power transmission

Details "Z" type steerable balanced power transmission "Z" type steerable balanced power transmission

1990-02-08

1991-06-18

Wright, Dirk

Planetary gear transmission systems or components

Differential planetary gearing

Differential or nondifferential planetary combined with...

440 58, 440 59, F16H 138

Patent

active

050246399

ABSTRACT:
A "Z" type power transmission including a steerable housing having a propeller shaft exiting therefrom. The steerable housing is mounted to a drive housing in a manner which allows rotational motion relative to the drive housing. The drive housing receives the drive shaft and steering control from the vessel and is arranged for selective vertical pivotal movement about the axis of the drive shaft to elevate the transmission. Drive force transmission between the steerable and drive housings is accomplished by use of coaxial shafts. Steering torque is provided to the drive housing along the same axis as the drive shaft so as to maintain both drive and steering torque during elevation of the unit.

REFERENCES:
patent: 2372247 (1945-03-01), Billing
patent: 3021725 (1962-02-01), Schneider
patent: 3094967 (1963-06-01), Willis, Jr.
patent: 3486478 (1969-12-01), Halliday
patent: 3511209 (1970-05-01), Becker
patent: 4932907 (1990-06-01), Newman et al.

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