Apparatus and method for controlling automatic stop of internal combustion engine
First Claim
1. An automatic stop controlling apparatus for automatically stopping an engine, the engine being mounted on a vehicle and coupled to an automatic transmission, wherein the automatic transmission has a plurality of shift positions, the apparatus comprising:
- a sensor for detecting the state of the vehicle; and
a controller for controlling the engine, wherein, when it is judged that predetermined automatic stop conditions are satisfied based on the state of the vehicle, the controller stops the engine, and wherein the controller changes the automatic stop conditions in accordance with the shift position of the automatic transmission, the automatic stop condition to be changed being related to at least one of traveling historical data of the vehicle and the road condition.
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Accused Products
Abstract
An electric control apparatus (ECU) permits an automatic stop of an engine if there is vehicle speed historical data after the start of the engine when a predetermined automatic stop condition is satisfied. Even if there is no vehicle speed historical data, the ECU permits the automatic stop of the engine when the shift position of an automatic transmission is the parking position. Therefore, the frequency of the automatic stop of the engine is increased, which improves fuel efficiency.
24 Citations
30 Claims
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1. An automatic stop controlling apparatus for automatically stopping an engine, the engine being mounted on a vehicle and coupled to an automatic transmission, wherein the automatic transmission has a plurality of shift positions, the apparatus comprising:
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a sensor for detecting the state of the vehicle; and
a controller for controlling the engine, wherein, when it is judged that predetermined automatic stop conditions are satisfied based on the state of the vehicle, the controller stops the engine, and wherein the controller changes the automatic stop conditions in accordance with the shift position of the automatic transmission, the automatic stop condition to be changed being related to at least one of traveling historical data of the vehicle and the road condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An automatic stop controlling apparatus for automatically stopping an engine, the engine being mounted on a vehicle and coupled to an automatic transmission, wherein the automatic transmission has a plurality of shift positions, the apparatus comprising:
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a sensor for detecting the state of the vehicle; and
a controller for controlling the engine, wherein, when it is judged that predetermined automatic stop conditions are satisfied based on the state of the vehicle, the controller stops the engine, wherein the automatic stop conditions include a first condition related to the current state of the vehicle and a second condition related to at least one of traveling historical data of the vehicle and the road condition, and wherein, when the shift position of the automatic transmission is a predetermined shift position, the controller excludes the second condition from the automatic stop conditions. - View Dependent Claims (14, 15)
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16. A method for controlling an automatic stop of an engine, the engine being mounted on a vehicle and coupled to an automatic transmission, wherein the automatic transmission has a plurality of shift positions, the method comprising:
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detecting the state of the vehicle;
stopping the engine when it is judged that predetermined automatic stop conditions are satisfied based on the detected state of the vehicle; and
changing the automatic stop conditions in accordance with the shift position of the automatic transmission, the automatic stop condition to be changed being related to at least one of traveling historical data of the vehicle and the road condition. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A medium, which is readable by a computer and has within it a program for automatically stopping an engine, the engine being mounted on a vehicle and coupled to an automatic transmission, wherein the automatic transmission has a plurality of shift positions, and wherein the program causes the computer to execute the following procedures:
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detecting the state of the vehicle;
stopping the engine when it is judged that predetermined automatic stop conditions are satisfied based on the detected state of the vehicle; and
changing the automatic stop conditions in accordance with the shift position of the automatic transmission, the automatic stop condition to be changed being related to at least one of traveling historical data of the vehicle and the road condition. - View Dependent Claims (28, 29, 30)
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Specification