Engine idle shut-down controller

Details Engine idle shut-down controller Engine idle shut-down controller

1991-09-11

1993-06-15

Stormer, Russell D.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

Responsive to absence or inattention of operator, or...

3404573, 340500, 123339, B60K 2800, B60Q 900, F02M 300

Patent

active

052194132

ABSTRACT:
A controller for preventing unnecessary idling of a vehicle engine, such as when the vehicle is left unattended with the engine idling. The controller includes a motion detector having a predetermined detection pattern directed to the driver's position within the vehicle. The motion detector is preferably a passive infrared motion detector. When the motion detector fails to detect the presence of the driver for a preselected time, the engine is shut down by a control circuit. The engine idle shut-down controller may also include various sensors, such as a vehicle speed sensor, and engine load and temperature sensors, to determine that the vehicle is not moving before shutting down the engine.

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