CONTROLLER AND CONTROL METHOD FOR ENGINES
First Claim
Patent Images
1. A controller for an engine having:
- a sensor that detects an actuation state of a service brake;
a sensor that detects the actuation state of a parking brake;
a sensor that detects a gear shift state of a transmission, anda control unit that controls an engine at a vehicle stopping time, according to output signals of the sensors, whereinthe control unit executesa first engine stopping;
process of stopping the engine when a first condition that the service brake is released, the parking brake is actuated, and the transmission is shifted into neutral has been established, anda second engine stopping process of stopping the engine when a second condition that the service brake is actuated and the transmission is shifted to an ahead stage ha been established.
1 Assignment
0 Petitions
Accused Products
Abstract
A control unit decides whether or not a first condition that a service brake is released, a parking brake is actuated, and a transmission is shifted into neutral is established at a vehicle stopping time. In addition, the control unit decides whether or not a second condition that the service brake is actuated, and the transmission is shifted to an ahead stage is established at the vehicle stopping time. Then, the control unit stops the engine when the first condition or the second condition is established.
11 Citations
12 Claims
-
1. A controller for an engine having:
-
a sensor that detects an actuation state of a service brake; a sensor that detects the actuation state of a parking brake; a sensor that detects a gear shift state of a transmission, and a control unit that controls an engine at a vehicle stopping time, according to output signals of the sensors, wherein the control unit executes a first engine stopping;
process of stopping the engine when a first condition that the service brake is released, the parking brake is actuated, and the transmission is shifted into neutral has been established, anda second engine stopping process of stopping the engine when a second condition that the service brake is actuated and the transmission is shifted to an ahead stage ha been established. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A control method for an engine, wherein
a control, unit that is capable of reading respective output signals of a sensor that detects an actuation state of a service brake, a sensor that detects the actuation state of a parking brake, and a sensor that detects a gear shift state of a transmission executes a first engine stopping process of stopping the engine, when a first condition that the service brake is released, the parking brake is actuated, and the transmission is shifted into neutral has been established at a vehicle stopping time and executes a second engine stopping process of stopping, the engine, when a second condition that the service brake is actuated, and the transmission is shifted to an ahead stage has been established at the vehicle stopping time.
Specification