Ship reduction gear for contrarotating screws

Machine element or mechanism – Gearing – Plural power paths to and/or from gearing

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74665L, F16H 3706

Patent

active

040167771

ABSTRACT:
A ship reduction gear having at least one differential, the driving element whereof is coupled with a driving means and each driven element is kinematically associated with the gear of a respective propeller shafting. The kinematic chain associating each driven element with a respective gear comprises pairs of gears permanently meshed with said gear and fitted on ends of their respective shafts whose other ends have fitted thereon gears permanently meshed with a pinion linked with a driven element of the differential, as a result of which the power taken from the driving means is divided into four flows, two flows per gear.

REFERENCES:
patent: 2305454 (1942-12-01), Nallinger et al.
patent: 3094967 (1963-06-01), Willis
patent: 3881444 (1975-05-01), Sigg

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