Idle up of engine of automobile according to elevation of transm

Details Idle up of engine of automobile according to elevation of transm Idle up of engine of automobile according to elevation of transm

1992-07-17

1993-04-06

Herrmann, Allan D.

Machine element or mechanism

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

Preselected indexed position

74844, 3644241, 123339, 60329, 180 693, F02D 4108

Patent

active

051993260

ABSTRACT:
In an automobile equipped with an engine, an automatic transmission including hydraulically actuated friction engaging means for shifting stages of the transmission, and an oil pump driven by the engine to provide a pressurized oil for actuating the friction engaging means, the capacity of the oil pump is so minimized as to be only enough for shifting the stages of the transmission, if the idle speed of the engine is temporally increased, when the temperature of oil of the transmission is above a threshold value.

REFERENCES:
patent: 2915914 (1959-12-01), Burnell et al.
patent: 3581852 (1971-06-01), Griffen
patent: 4289100 (1981-09-01), Kinugawa et al.
patent: 4312311 (1982-01-01), Iwata
patent: 4671139 (1987-06-01), Downs et al.
patent: 5054450 (1991-10-01), Oota et al.

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