Idle Stop System
First Claim
Patent Images
1. An idle stop system for a motor vehicle having an onboard computer, the idle stop system comprising:
- components added to the vehicle to communicate with the onboard computer;
the added components being arranged to respond to a driver idle stop request by implementing an idle stop when the vehicle is stopped and the engine is warm;
the added components being arranged to implement the idle stop by killing an engine ignition system or stopping flow of fuel to the engine;
the added components being arranged to respond to a driver restart request by restarting the engine whenever a driver'"'"'s seat is occupied;
the added components accomplishing the engine restart by operating a starter motor while turning on the engine ignition system or by operating a starter motor while re-establishing flow of fuel to the engine.
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Abstract
An idle stop controller connects to a vehicle computer so as to implement an idle stop on request of the driver from a signal derived from a foot brake, a parking brake, or a voice-activated switch. It also implements an engine restart on request of the driver, and this can be done in several ways.
53 Citations
12 Claims
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1. An idle stop system for a motor vehicle having an onboard computer, the idle stop system comprising:
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components added to the vehicle to communicate with the onboard computer; the added components being arranged to respond to a driver idle stop request by implementing an idle stop when the vehicle is stopped and the engine is warm; the added components being arranged to implement the idle stop by killing an engine ignition system or stopping flow of fuel to the engine; the added components being arranged to respond to a driver restart request by restarting the engine whenever a driver'"'"'s seat is occupied; the added components accomplishing the engine restart by operating a starter motor while turning on the engine ignition system or by operating a starter motor while re-establishing flow of fuel to the engine. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An idle stop system comprising
an idle stop controller added to a motor vehicle having a computer so that the idle stop controller communicates with the vehicle computer; -
the idle stop controller cooperating with the vehicle computer to respond to a driver signal to initiate an idle stop whenever the vehicle is motionless and the engine is warm; the idle stop controller cooperating with the vehicle computer to implement an idle stop by killing an engine ignition system or stopping flow of fuel to the engine; the idle stop controller cooperating with the engine computer to respond to a driver signal to restart the engine whenever a driver'"'"'s seat is occupied; and the idle stop controller cooperating with the engine computer to restart the engine by actuating a starter motor while turning on the engine ignition or restoring flow of fuel to the engine. - View Dependent Claims (9, 10, 11, 12)
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Specification