Control system for engine of automotive vehicle equipped with lo

Details Control system for engine of automotive vehicle equipped with lo Control system for engine of automotive vehicle equipped with lo

1981-05-29

1984-08-28

Herrmann, Allan D.

Machine element or mechanism

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

Preselected indexed position

74856, 74859, 192 0096, 123571, B60K 4102

Patent

active

044676735

ABSTRACT:
A control system for an engine of an automotive vehicle equipped with a lock-up type automatic transmission.
The engine control system comprises a gear ratio determinating circuit and a vehicle speed detector for determining whether the automotive vehicle is operating in a predetermined lock-up range or not and a logic circuit for generating a lock-up signal that indicates that the automotive vehicle is operating within said predetermined lock-up range, whereupon exhaust gas recirculation and ignition timing are varied from their ordinary patterns to a pattern suitable for operation of the engine with the torque converter operating in a lock-up state.

REFERENCES:
patent: 2856794 (1958-10-01), Simpson
patent: 3584521 (1971-06-01), Tooker et al.
patent: 3710652 (1973-01-01), Miyazaki
patent: 4073202 (1978-02-01), Aoyama et al.
patent: 4120214 (1978-10-01), Toda et al.
patent: 4191143 (1980-03-01), Yuuki
patent: 4191147 (1980-03-01), Yuuki
patent: 4193381 (1980-03-01), Aoyama
patent: 4220126 (1980-09-01), Tomita et al.
patent: 4257381 (1981-03-01), Yuzawa et al.
patent: 4294140 (1981-10-01), Iwanaga et al.

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