Control system for automatic transmission

Details Control system for automatic transmission Control system for automatic transmission

1986-09-04

1988-06-07

Wright, Dirk

Machine element or mechanism

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

Preselected indexed position

74867, B60K 4118, B60K 4116

Patent

active

047488700

ABSTRACT:
A control system is proposed that electro-hydraulically develops a servo actuating fluid pressure that momentarily drops to prevent an increase in frictional transmission torque of a friction element which otherwise would be caused by an increase in dynamic frictional coefficient between a driving and a driven member of the friction element as the relative rotation of them decreases toward zero.

REFERENCES:
patent: 3324738 (1964-12-01), Olsen et al.
patent: 3871250 (1975-03-01), Miyauchi et al.
patent: 4274308 (1981-06-01), Iwanaga et al.
patent: 4584906 (1986-04-01), Nagaoka et al.
patent: 4611507 (1986-09-01), Burkel et al.
patent: 4616531 (1986-10-01), Ogasawara et al.
patent: 4631982 (1986-12-01), Miki et al.
patent: 4658676 (1987-04-01), Furusawa et al.

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