Reduction and reversing gear for marine propulsion systems

Details Reduction and reversing gear for marine propulsion systems Reduction and reversing gear for marine propulsion systems

1979-11-13

1982-08-17

Braun, Leslie

Machine element or mechanism

Gearing

In series plural interchangeably locked nonplanetary units

74319, 74322, 74333, 74404, 74784, 74788, F16H 3700, F16H 344, F16H 5710

Patent

active

043443370

ABSTRACT:
A reduction and reversing gear for marine propulsion systems making use of the clutch case of a conventional reduction and reversing gear of a type having an input shaft mounted on an upper part of the clutch case, an output shaft extending in parallel with the input shaft and mounted on a lower part of the clutch case, a multiple disc clutch carried by the input shaft, a small gear rotatably carried by the input shaft and adapted to be connected to and disconnected from the latter by the multiple disc clutch, and a large gear carried by the output shaft and engaging the small gear. A planetary gear type reduction gear is disposed in the space around the output shaft and below the multiple disc clutch to make an efficient use of that space, thereby to provide an additional reduction stage between the large gear and the output shaft. Thanks to this additional reduction stage provided by the planetary gear type reduction gear, it is possible to obtain a large variety of reduction ratios up to 8 using the same clutch case.

REFERENCES:
patent: 1836298 (1931-12-01), Winther
patent: 2370484 (1945-02-01), Nabstedt
patent: 2775328 (1956-12-01), Yokel
patent: 2990726 (1961-07-01), McDonald
patent: 3217564 (1965-11-01), Smith
patent: 3570319 (1971-03-01), Arnold
patent: 3695401 (1972-10-01), Nagasaki
patent: 3803934 (1974-04-01), Yokel
patent: 3922997 (1975-12-01), Jameson
patent: 3952606 (1976-04-01), Schulz
patent: 4010653 (1977-03-01), Mekjian
patent: 4059029 (1977-11-01), Cawi
patent: 4138006 (1979-02-01), Benson, Jr.

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