[특허]Internal combustion engine cylinder head variable swirl siamese type intake port structure, with auxiliary straight pass

[미국특허] Internal combustion engine cylinder head variable swirl siamese type intake port structure, with auxiliary straight pass 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-015/00
출원번호	US-0887658 (1986-07-21)
우선권정보	JP-0163149 (1985-07-24); JP-0186886 (1985-08-26)
발명자 / 주소	Okumura Takeshi (Toyota JPX) Iwashita Yoshihiro (Toyota JPX)
출원인 / 주소	Toyota Jidosha Kabushiki Kaisha (Aichi JPX 03)
인용정보	피인용 횟수 : 19 인용 특허 : 1

초록 ▼

A variable swirl siamese type intake port structure for an internal combustion engine cylinder head includes a first generally straight intake passage which leads to a first intake port and a second generally helical intake passage which leads to a second intake port which is formed with a helical end vortex portion. A control valve is fitted in the first generally straight intake passage at an upstream portion thereof so as to control its flow resistance. A substantially straight auxiliary passage, opening from a point upstream of the control valve to a point near the downstream end of the first intake port and bypassing the control valve, points through the first intake port, when open, generally at the ignition point of the engine spark plug. Thereby, when the control valve is closed, even then an air-fuel mixture stream is directed straight at the spark plug, and this prevents local weakening of mixture due to centrifugal effects. Thus good ignition characteristics are obtained, the limit for weakening the air-fuel mixture can be extended, and the engine volumetric efficiency and the maximum attainable engine output power are increased.

대표청구항 ▼

A variable swirl siamese type intake port structure for an internal combustion engine cylinder head formed with a combustion chamber to which a spark plug having an ignition point is provided, comprising: a first generally straight intake passage which leads to a first intake port opening to said combustion chamber and a second generally helical intake passage which leads to a second intake port, also opening to said combustion chamber, formed with a helical end vortex portion; a control valve fitted in said first generally straight intake passage at an upstream portion thereof so as to control its flow resistance; and: a substantially straight auxiliary passage, opening from a point upstream of said control valve to a point near the downstream end of said first intake port and bypassing said control valve; said substantially straight auxiliary passage pointing through said first intake port, when open, generally at said ignition point of said spark plug.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Kawai, Taiyo; Habu, Nobuo; Matsumoto, Shinichi, Internal combustion engine with two intake valves.
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이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Gagnon James J. (Carrollton TX), 4-stroke, stratified gas engine.
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Ohsuga Minoru (Hitachinaka JPX) Yamaguchi Jun\ichi (Hitachinaka JPX) Komuro Ryoichi (Hitachi JPX) Momono Masakichi (Hitachinaka JPX), Air intake equipment for internal combustion engine.
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Ohsuga Minoru,JPX ; Yamaguchi Jun'ichi,JPX ; Komuro Ryoichi,JPX ; Momono Masakichi,JPX, Air intake equipment for internal combustion engine.
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Junichi Yamaguchi JP; Minoru Ohsuga JP; Ryoichi Komuro JP, Control device and device for generating swirls in internal combustion engine.
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Niizato Tomonori (Saitama JPX) Noguchi Katsumi (Saitama JPX) Tsukimura Kiyoshi (Saitama JPX), Cylinder head structure for multiple cylinder engines.
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Tanaka, Tamon; Nishihara, Setsuo, Direct injection diesel engine.
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Kabat, Daniel Michael; Tang, Xiaoguo; Stockhausen, William Francis, Gaseous-fuel injection system and method.
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Tsuzuku Hiroyuki (Iwata JPX), Induction control system for multi-valve engine.
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Oldani Emilio (Cerro Maggiore ITX) Rosa Riccardo (Milan ITX) Truzzi Sergio (Cislano ITX), Induction device for multi-cylinder internal combustion engine.
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Tada Atsushi (Iwata JPX), Induction system and method of operating an engine.
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Suzuki Mitso (Iwata JPX) Ito Masahiro (Iwata JPX) Higaki Yoshiyuki (Iwata JPX), Intake control valve.
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Kirk, William H., Internal combustion engine cycle.
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Zimmermann, Helmut, Internal combustion engine for a handheld portable work apparatus.
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Gustafson, Richard, Low cost variable swirl.
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Shannon Ben ; Vrsek Gary A., Modular intake port for an internal combustion engine.
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Peter Fledersbacher DE; Siegfried Sumser DE; Friedrich Wirbeleit DE, Spark-ignition internal combustion engine.
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Vijayaraghavan, Shriram; Montgomery, David, Stratified charge port injection engine and method.
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Rowells, Robert Lawrence, Swirl-inducing intake valve arrangement.
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Isaka Yoshiharu,JPX, Tumble valve for multi-valve engine.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Internal combustion engine cylinder head variable swirl siamese type intake port structure, with auxiliary straight pass 원문보기