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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0628905 (1990-12-18) |
우선권정보 | JP-0327763 (1989-12-18) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 23 인용 특허 : 0 |
An intake-exhaust control system includes a mechanism for changing timings at which the open periods of intake and/or exhaust valves overlap. A control unit cooperates with the valve timing changing mechanism to cause it to change the timing stepwise so as to vary the valve overlap in time, or in de
An intake and exhaust control system for changing a valve overlap, in degrees, of an internal combustion engine having intake and exhaust valves, comprising: . timing means for changing a valve operation timing of at least one of the intake and exhaust valves of the engine; monitoring means for moni
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