[특허]Engine starting apparatus

Denso Corporation

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Engine starting apparatus

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60L-001/00
미국특허분류(USC)	307/010.6; 307/009.1
출원번호	US-0576335 (2009-10-09)
등록번호	US-8110939 (2012-02-07)
우선권정보	JP-2008-264516 (2008-10-10)
발명자 / 주소	Itou, Akito
출원인 / 주소	Denso Corporation
대리인 / 주소	Nixon & Vanderhye PC
인용정보	피인용 횟수 : 6 인용 특허 : 1

초록
▼

The engine starting apparatus operates on battery voltage when the battery voltage is higher than a predetermined voltage to control starting of an engine of a vehicle. The engine starting apparatus includes a relay control section configured to output a drive signal individually to first and second relays of a starter of the vehicle engine to drive the first and second relays when predetermined engine start conditions are satisfied, the starter being configured to operate when the first and second relays are driven, and an inter-relay switch configured to make electrical connection between the first and second relays when the first relay is applied with the battery voltage, the second relay being applied with the battery voltage when the electrical connection is made. The first relay is configured to be applied with the battery voltage when a manual start switch is operated.

대표
청구항
▼

1. An engine starting apparatus comprising: a microcomputer that operates on a control-use voltage generated by stepping down a battery voltage of a vehicle battery, and is configured to output a drive signal individually to first and second relays of a starter of said vehicle engine to drive said first and second relays to thereby cause said starter to operate when predetermined engine start conditions are satisfied, and to be reset when said control-use voltage decreases below a predetermined reset voltage; andan inter-relay switch configured to make electrical connection between said first and second relays when said first relay is applied with said battery voltage, said second relay being applied with said battery voltage when said electrical connection is made;said first relay being configured to be applied with said battery voltage when a manual start switch is operated. 2. The engine starting apparatus according to claim 1, further comprising a delay circuit configured to output a connection permission signal after elapse of a predetermined delay time from a time when said battery voltage is applied to said first relay, said inter-relay switch being configured to make said electrical connection upon receiving said connection permission signal from said delay circuit. 3. The engine starting apparatus according to claim 2, wherein said delay circuit is constituted of an integrating circuit and a comparator, said integrating circuit including a reference voltage generating circuit generating a reference voltage, a series connection of a resistor and a capacitor, said integrating circuit being applied with said battery voltage through a connection node between said resistor and said capacitor when said first relay is applied with said battery voltage to output a voltage gradually increasing up to said battery voltage at a slope depending on a time constant determined by a resistance of said resistor and a capacitance of said capacitor,said comparator outputting said connection permission signal when said voltage outputted from said integrating circuit becomes higher than said reference voltage. 4. The engine starting apparatus according to claim 3, wherein said inter-relay switch includes a discharge circuit configured to forcibly discharge charge in said capacitor when application of said battery voltage to said delay circuit is stopped. 5. The engine starting apparatus according to claim 2, wherein said inter-relay switch includes a latch circuit for latching said connection permission signal outputted from said delay circuit. 6. The engine starting apparatus according to claim 5, wherein said latch circuit is constituted of discrete transistors and discrete resistors. 7. The engine starting apparatus according to claim 5, wherein said inter-relay switch includes a first disconnection section configured to release latch of said connection permission signal by said latch circuit to thereby cause said inter-relay switch to break said electrical connection when application of said battery voltage to said delay circuit is stopped. 8. The engine starting apparatus according to claim 5, wherein said delay circuit is configured to output a low-level voltage signal as said connection permission signal, and said latch circuit includes first and second resistors, and first and second transistors, said first resistor being connected to an output terminal of said latch circuit at one end thereof and applied with said control-use voltage,said first transistor being connected to an output terminal of said delay circuit at a base thereof, grounded at an emitter thereof, and connected to said output terminal of said latch circuit at a collector thereof,said second resistor being connected to said output terminal of said delay circuit at one end thereof, and applied with said control-use voltage at the other end thereof,said second transistor being connected to said output terminal of said latch circuit at a base thereof, grounded at an emitter thereof, and connected to said output terminal of said delay circuit at a collector thereof;said first transistor being held in an off-state irrespective of variation of output level of said delay circuit after said delay circuit outputs said low-level voltage signal as said connection permission signal, causing said first transistor to turn off, causing said output signal of said latch circuit to become a high-level voltage signal, and causing said second transistor to turn on,said inter-relay switch being configured to make said electrical connection while said latch circuit outputs said high-level voltage signal. 9. The engine starting apparatus according to claim 1, wherein said vehicle is provided with an interlock switch configured to be turned on when a gear of a transmission of said vehicle is switched to a specific range of said transmission, said battery voltage being applied to said first relay through said manual start switch through said interlock switch. 10. The engine starting apparatus according to claim 1, further comprising an engine stop section configured to temporarily stop said engine when predetermined engine stop conditions are satisfied, said microcomputer being configured to drive said first and second relays to restart said engine being temporarily stopped when predetermined engine restart conditions are satisfied. 11. The engine starting apparatus according to claim 10, further comprising a second disconnection section configured to cause said inter-relay switch to break said electrical connection in response to a disconnection command outputted from said microcomputer, said microcomputer being configured to output said disconnection command to said second disconnection section to restart said engine temporarily stopped by said engine stop function. 12. The engine starting apparatus according to claim 11, wherein said microcomputer is configured not to output said disconnection command when said microcomputer malfunctions. 13. The engine starting apparatus according to claim 1, wherein said first relay is applied with said battery voltage through a diode connected to an input side of said first relay at a cathode thereof, and said inter-relay section is applied with said battery voltage from an anode side of said diode, said drive signal outputted from said microcomputer being inputted to said first relay through said cathode of said diode. 14. The engine starting apparatus according to claim 1, wherein said second relay is constituted of a motor relay and a torque transmission relay, said motor relay being configured to be driven to apply said battery voltage to a starter motor of said starter to cause said starter motor to operate, said torque transmission relay being configured to be driven to cause a torque transmission mechanism of said vehicle to operate so that torque generated by said starter motor is transmitted to said engine.

이 특허에 인용된 특허 (1)

Karlheinz Boegner DE. Solenoid switch for starters. USP2002036360707.

이 특허를 인용한 특허 피인용횟수: 6

IPC 상위 출원인

내보내기

상세정보
내보내기 구분	파일저장 인쇄 메일전송
구성항목	관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
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특허 상세정보

Engine starting apparatus

초록
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대표
청구항
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이 특허에 인용된 특허 (1)

이 특허를 인용한 특허 피인용횟수: 6

IPC 상위 출원인

과제정보

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IPC 상세정보(version : 201201)

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특허 상세정보

Engine starting apparatus

초록 ▼

대표청구항 ▼

이 특허에 인용된 특허 (1)

이 특허를 인용한 특허 피인용횟수: 6

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

참여연구원의 다른 문헌(0)

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잠시만 기다려주세요.

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