US4500794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for automatically starting and stopping engine
Assignee: Mitsubishi Electric Corp
•
Filing: 1983-11-28
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Granted: 1985-02-19
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Expires: 2003-11-28
Abstract
Abstract This invention relates to an apparatus for automatically starting and stopping an engine comprising a clutch switch for detecting that the depression of a clutch pedal of a vehicle is completely performed, a neutral switch for detecting the neutral position of a transmission, a vehicle speed sensor for generating a travel signal by detecting the travel of the vehicle, condition detecting means for detecting the operation maintaining condition of the engine, and control means for automatically stopping the engine by interrupting the energization of an ignition circuit when receiving a detection signal of the neutral switch and not receiving the detection signals of the vehicle speed sensor and the condition detecting means and automatically starting the engine by energizing the ignition circuit and a starter when receiving a detection signal of the clutch switch and not receiving the detection signals of the neutral switch, said vehicle speed sensor and the condition detecting means.
Inventors
- 👤 Isao Hamano
- 👤 Akira Morishita
- 👤 Yoshifumi Akae
- 👤 Toshinori Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:33
CPC Classifications
F; F02; F02N; F02N11/00; F02N11/08; F02N11/0814; F02N11/0818; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/40
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
149 words
An apparatus for automatically starting and stopping an engine comprising: a clutch switch for detecting that the depression of a clutch pedal of a vehicle is completely performed, a neutral switch for detecting the neutral position of a transmission, a vehicle speed sensor for generating a travel signal by detecting the travel of the vehicle, condition detecting means for detecting the operation maintaining condition of the engine, and control means for automatically stopping the engine by interrupting the energization of an ignition circuit when receiving a detection signal of said neutral switch and not receiving the detection signals of said vehicle speed sensor and said condition detecting means and automatically starting the engine by energizing the ignition circuit and a starter when receiving a detection signal of said clutch switch and not receiving the detection signals of said neutral switch, said vehicle speed sensor and said condition detecting means.
Claim 2
Independent Claim
149 words
An apparatus for automatically starting and stopping an engine comprising: a clutch switch for detecting that the depression of a clutch pedal of a vehicle is completely performed, a neutral switch for detecting the neutral position of a transmission, a vehicle speed sensor for generating a travel signal by detecting the travel of the vehicle, condition detecting means for detecting the operation maintaining condition of the engine, and control means for automatically stopping the engine by interrupting the energization of an ignition circuit when receiving a detection signal of said neutral switch and not receiving the detection signals of said vehicle speed sensor and said condition detecting means and automatically starting the engine by energizing the ignition circuit and a starter when receiving a detection signal of said clutch switch and not receiving the detection signals of said neutral switch, said vehicle speed sensor and said condition detecting means.
Claim 3
Independent Claim
166 words
An apparatus for automatically starting and stopping an engine comprising: a first clutch switch for detecting that a clutch pedal of a vehicle is depressed, a second clutch switch for detecting that the depression of a clutch pedal is completed, a neutral switch for detecting the neutral position of a transmission, a vehicle speed sensor for generating a travel signal by detecting the travel of the vehicle, condition detecting means for detecting the operation maintaining condition of the engine, and control means for automatically stopping the engine by interrupting the energization of an ignition circuit when receiving a detection signal of said neutral switch and not receiving the detection signals of said first clutch switch, said vehicle speed sensor and said condition detecting means and automatically starting the engine by energizing the ignition circuit and a starter when receiving a detection signal of said second clutch switch and not receiving the detection signals of said neutral switch, said vehicle speed sensor and said condition detecting means.
Claim 4
Independent Claim
166 words
An apparatus for automatically starting and stopping an engine comprising: a first clutch switch for detecting that a clutch pedal of a vehicle is depressed, a second clutch switch for detecting that the depression of a clutch pedal is completed, a neutral switch for detecting the neutral position of a transmission, a vehicle speed sensor for generating a travel signal by detecting the travel of the vehicle, condition detecting means for detecting the operation maintaining condition of the engine, and control means for automatically stopping the engine by interrupting the energization of an ignition circuit when receiving a detection signal of said neutral switch and not receiving the detection signals of said first clutch switch, said vehicle speed sensor and said condition detecting means and automatically starting the engine by energizing the ignition circuit and a starter when receiving a detection signal of said second clutch switch and not receiving the detection signals of said neutral switch, said vehicle speed sensor and said condition detecting means.
Claim 5
Independent Claim
160 words
An apparatus for automatically starting and stopping an engine comprising: a clutch switch for detecting that the depression of a clutch pedal of a vehicle is completely performed, a neutral switch for detecting the neutral position of a transmission, a brake switch for detecting a brake operation, a vehicle speed sensor for generating a travel signal by detecting the travel of the vehicle, condition detecting means for detecting the operation maintaining condition of the engine, and control means for automatically stopping the engine by interrupting the energization of an ignition circuit when receiving detection signals of said neutral switch and said brake switch and not receiving the detection signals of said vehicle speed sensor and said condition detecting means and automatically starting the engine by energizing the ignition circuit and a starter when receiving a detection signal of said clutch switch and not receiving the detection signals of said neutral switch, said vehicle speed sensor and said condition detecting means.
Claim 6
Independent Claim
160 words
An apparatus for automatically starting and stopping an engine comprising: a clutch switch for detecting that the depression of a clutch pedal of a vehicle is completely performed, a neutral switch for detecting the neutral position of a transmission, a brake switch for detecting a brake operation, a vehicle speed sensor for generating a travel signal by detecting the travel of the vehicle, condition detecting means for detecting the operation maintaining condition of the engine, and control means for automatically stopping the engine by interrupting the energization of an ignition circuit when receiving detection signals of said neutral switch and said brake switch and not receiving the detection signals of said vehicle speed sensor and said condition detecting means and automatically starting the engine by energizing the ignition circuit and a starter when receiving a detection signal of said clutch switch and not receiving the detection signals of said neutral switch, said vehicle speed sensor and said condition detecting means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-19 | 1988-08-20 | 1989-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-19 | 1992-08-20 | 1993-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-19 | 1996-08-20 | 1997-02-19 | $7700.00 | Window Closed / Lapsed |