Hydraulic speed-changing system

Details Hydraulic speed-changing system Hydraulic speed-changing system

1974-12-02

1976-07-13

Wyche, Benjamin W.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74752C, B60K 4118, G05G 2100

Patent

active

039687074

ABSTRACT:
A hydraulic speed-changing system for an automotive transmission includes a clutch K2 actuatable by a control valve with associated damper which delays full operation of the clutch to smooth the cut-in. The same clutch is used in third gear and in reverse, its actuation being accompanied in the latter instance by that of a brake B2. Fluid pressure used to control the operation of this brake is also utilized to exert upon the control valve of clutch K2 a supplemental force reducing the delay period of the damper.

REFERENCES:
patent: 3400613 (1968-09-01), Johnson et al.
patent: 3509784 (1970-05-01), Mahoney
patent: 3593598 (1971-07-01), Winn et al.
patent: 3593599 (1971-07-01), Dach
patent: 3651714 (1972-03-01), Ohya et al.
patent: 3744348 (1973-07-01), Lemon

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