Multiple accessory drive gearbox with alternative inputs

Details Multiple accessory drive gearbox with alternative inputs Multiple accessory drive gearbox with alternative inputs

1990-07-11

1991-07-16

Diehl, Dwight

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74665Q, F16H 3706

Patent

active

050314777

ABSTRACT:
A gearbox to drive six accessory units from a vehicle prime mover or alternatively from an auxiliary engine. A continuously variable ratio unit in the drive line from the prime mover provides a constant speed at a first input to the power transmission gears over the operating range of the prime mover.
The auxiliary engine operates at a constant speed, driving a second input to the gearbox and by-passing the variable ratio unit to drive the accessories at the same constant speed as that provided by the prime mover.
Over-running clutches permit the change-over to drive from one power unit to the other to take place while both are in operation.

REFERENCES:
patent: 1397893 (1921-11-01), Kay
patent: 2366646 (1945-01-01), Orr
patent: 2757556 (1956-08-01), Vebing
patent: 3748927 (1973-07-01), Hertzog et al.
patent: 4385530 (1983-05-01), Holthoff

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