Rotational speed controlling device for automatic transmissions

Details Rotational speed controlling device for automatic transmissions Rotational speed controlling device for automatic transmissions

1981-07-29

1984-07-03

Herrmann, Allan D.

Machine element or mechanism

Gearing

Interchangeably locked

74337, 192 54, 192105B, 192105CD, 192 483, F16H 552

Patent

active

044571852

ABSTRACT:
A rotational speed number controlling device for automatic transmissions for changing speeds by automatically changing a plurality of centrifugal clutches in response to the number of revolutions of the engine wherein a sliding piece is connected to a rotary shaft to which the rotation of a low speed side centrifugal clutch is to be transmitted so as to be able to transmit rotations and to be slidable in the axial direction in response to the driving torque so that the number of engaging rotations of a high speed side centrifugal clutch may be varied by the sliding of the above mentioned sliding piece caused in response to the driving torque. For example, in the case of a quick acceleration at the time of the second speed running in an automatic three-speed transmission, the high speed side centrifugal clutch may not be immediately engaged but the second speed state may be maintained until a sufficient acceleration and then the high speed side centrifugal clutch may be engaged.

REFERENCES:
patent: 2056050 (1936-09-01), Harris
patent: 2172991 (1939-09-01), Segard
patent: 2432077 (1947-02-01), Segard
patent: 2721639 (1955-10-01), Miller
patent: 3268046 (1966-08-01), Hirano
patent: 3572482 (1971-03-01), Kalpas et al.

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