Combination range and master clutch assembly

Details Combination range and master clutch assembly Combination range and master clutch assembly

1985-04-03

1987-01-20

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

192 8719, 192109F, F16D 2511

Patent

active

046375040

ABSTRACT:
A combination range and master clutch assembly includes a separator plate, at least one clutch, a fluid actuated main piston for engaging each clutch, and at least one fluid actuated accelerator piston. The separator plate and main piston define first and second main chambers in communication with each other. The main piston and each accelerator piston define an accelerator chamber. Sliding of each accelerator piston blocks communication between the main chambers. The assembly is controlled by providing fluid at an operating pressure which may be modulated between low and high pressures. Fluid is selectively delivered to an accelerator chamber at the operating pressure when it is below a threshold pressure level, and to both the accelerator chamber and its associated main chamber at the operating pressure when it is above the threshold pressure level.

REFERENCES:
patent: 2920732 (1960-01-01), Richards et al.
patent: 2979176 (1961-04-01), Voth
patent: 3032157 (1962-05-01), Richards
patent: 3303914 (1967-02-01), Richards
patent: 3391767 (1968-07-01), Stow
patent: 3948146 (1976-04-01), Maurer et al.
patent: 4046160 (1977-09-01), Horsch
patent: 4186829 (1980-02-01), Schneider et al.
Page 7.02, Hydraulic Components Catalog, Sun Hydraulics Corp., Sarasota, Fla., Sep. 15, 1982.

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