IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0036493
(2008-02-25)
|
등록번호 |
US-7677216
(2010-04-21)
|
우선권정보 |
JP-2007-052674(2007-03-02) |
발명자
/ 주소 |
- Sugano, Norihiko
- Tadanaga, Tsuyoshi
- Funakoshi, Hiroshi
|
출원인 / 주소 |
- Mitsubishi Jidosha Kogyo Kabushiki Kaisha
|
대리인 / 주소 |
Birch, Stewart, Kolasch & Birch, LLP
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
4 |
초록
▼
An engine start controller having a starter motor that is driven by battery to start engine, an activation switch that sends to the starter motor a START command for starting the engine, an activation circuit that connects the starter motor to the battery to supply a drive current, and an engine sta
An engine start controller having a starter motor that is driven by battery to start engine, an activation switch that sends to the starter motor a START command for starting the engine, an activation circuit that connects the starter motor to the battery to supply a drive current, and an engine start control unit that issues an OPERATE command for operating the activation circuit when receiving the START command from the activation switch, and supplies the drive current to the starter motor. The controller is provided with a bypass circuit that directly sends to the activation circuit the START command that has been sent from the activation switch.
대표청구항
▼
What is claimed is: 1. An engine start controller, comprising: a battery; a starter motor driven by the battery to start an engine; an activation switch that outputs a START command for starting the engine; an engine start control unit directly connected to the activation switch and outputs an OPER
What is claimed is: 1. An engine start controller, comprising: a battery; a starter motor driven by the battery to start an engine; an activation switch that outputs a START command for starting the engine; an engine start control unit directly connected to the activation switch and outputs an OPERATE command when the START command is received from the activation switch; a bypass circuit directly connected to the activation switch, such that both the engine start control unit and the bypass circuit receive the START command simultaneously; an activation circuit connected to the engine start control unit and the bypass circuit, and connects the starter motor to the battery to activate the starter motor when at least one of the OPERATE command output from the engine start control unit and the START command via the bypass circuit is received; and revolution-detecting unit that detects a revolution of the engine, wherein, the engine start control unit outputs the OPERATE command when the engine start control unit receives the START command from the activation switch, and also determines, based on the detected revolution of the engine, that the engine is rotating at a speed less than a predetermined value due to the START command received via the bypass circuit. 2. The engine start controller according to claim 1, further comprising: an intercept unit that intercepts the OPERATE command if the OPERATE command is sent from the engine start control unit to the activation circuit without the START command from the activation switch. 3. The engine start controller according to claim 2, further comprising: a complete explosion start-detecting unit that detects a complete explosion start of the engine on the basis of a detection result of the revolution detecting unit, wherein, the intercept unit intercepts the OPERATE command from the engine start control unit when the complete explosion start-detecting means detects the complete explosion start of the engine. 4. The engine start controller according to claim 1, further comprising: a complete explosion start-detecting unit that detects a complete explosion start of the engine on the basis of a detection result of the revolution-detecting means, wherein, the engine start control unit terminates the OPERATE command when the complete explosion start-detecting unit detects the complete explosion start of the engine. 5. The engine start controller according to claim 2, further comprising: a monitoring unit that monitors the operation of the activation unit; and an error-detecting unit that detects an error of at least either one of the intercept unit and the engine start control unit on the basis of a monitoring result of the monitoring unit. 6. The engine start controller according to claim 5, wherein: the error-detecting unit determines that the intercept unit has an error when the monitoring unit detects the operation of the activation circuit even when the engine start control unit terminates the OPERATE command after the intercept unit intercepts the OPERATE command. 7. The engine start controller according to claim 5, wherein: the error-detecting unit determines that the engine start control unit has an error when the monitoring unit detects the operation of the activation circuit even when the START command is not output from the activation switch in a situation where the intercept unit intercepts the OPERATE command after the engine start control unit outputs the OPERATE command. 8. The engine start controller according to claim 5, further comprising: a storage unit that stores the START command output from the activation switch, wherein, the error-detecting unit alternately detects an error of the intercept unit and an error of the engine start control unit on the basis of a storage result of the storage unit each time the engine is activated by the activation switch. 9. The engine start controller according to claim 5, wherein: the engine start control unit terminates the OPERATE command when the error-detecting unit detects an error of the intercept unit or an error of the engine start control unit at least once. 10. The engine start controller according to claims 2, further comprising: an ignition switch that issues an ENABLE command, when the ignition switch is ON, provided independently of the activation switch, wherein, when the ignition switch is OFF, the intercept unit intercepts the OPERATE command from the engine start control unit to prevent operation of the starter motor. 11. An engine start controller comprising: a battery; a starter motor driven by the battery to start an engine; an activation switch that outputs a START command for starting the engine; an engine start control unit directly connected to the activation switch and outputs an OPERATE command when the START command is received from the activation switch; a bypass circuit directly connected to the activation switch, such that both the engine start control unit and the bypass circuit receive the START command simultaneously; an activation circuit connected to the engine start control unit and the bypass circuit, and connects the starter motor to the battery to activate the starter motor when at least one of the OPERATE command output from the engine start control unit and the START command via the bypass circuit is received; and an intercept unit, connected to the engine start control unit, that intercepts the OPERATE command if the OPERATE command is output to the activation circuit without the START command from the activation switch.
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