Ship's transmission with changeover from cruising speed to slow

Details Ship's transmission with changeover from cruising speed to slow Ship's transmission with changeover from cruising speed to slow

1980-03-26

1982-10-12

Braun, Leslie

Machine element or mechanism

Elements

Gear casings

74687, F16H 3706, F16H 4704

Patent

active

043532691

ABSTRACT:
The transmission has a driving shaft (1) and a driven shaft (9) and a changeover coupling, including a primary part (4) connected to the driving shaft and a secondary part (5) connected to an intermediate shaft (6) with a kinematic connection between the intermediate shaft and the driven shaft. The improvement comprises a first planetary gearing (100), including a rotatable stay (11) connected to the secondary part (5). A second planetary gearing (200) includes a rotatable second stay (19) connected to the primary part (4). A hydrostatic pump (28) having fluid fittings (29, 30) and a drive shaft (27) connected to the second planetary gearing (200). A hydrostatic motor (31) having fluid fittings connected to the pump fittings and a motor shaft (32) connected to the first planetary gearing (100), whereby at normal cruising speeds, the primary and secondary parts of the coupling are directly interconnected, and whereby at slow speeds the primary and secondary parts are disconnected. The primary part (4 ) through the second and first planetary gears (200, 100), pump (28) and motor (31) driving the coupling secondary part (5) connected to the driven shaft (9) at proportionately reduced speeds.

REFERENCES:
patent: 2768537 (1956-10-01), Seybold
patent: 3455183 (1969-07-01), Orshansky, Jr.
patent: 3470769 (1969-10-01), Livezey
patent: 3665788 (1972-05-01), Nyman
patent: 3979972 (1976-09-01), Sakai
patent: 4184386 (1980-01-01), Forster
patent: 4191070 (1980-03-01), McKinniss

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