Drive range control for an automatic transmission

Details Drive range control for an automatic transmission Drive range control for an automatic transmission

1978-05-31

1981-01-27

Byers, Jr., Nile C.

Machine element or mechanism

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

Preselected indexed position

B60K 4104

Patent

active

042468051

ABSTRACT:
An automatic transmission with a torque converter for use with an internal combustion engine in which the ignition timing is changed over to an advancing timing region or a retarding timing region in response to the operating condition of the engine. Two different speed shifting characteristics are provided in response to whether the ignition timing is in the advancing timing region or in the retarding timing region. In addition, the two speed shifting characteristics are changed over to each other according to the two ignition timing characteristics.

REFERENCES:
patent: 2366253 (1945-01-01), Griswold
patent: 3835733 (1974-09-01), Wurst

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