[특허]Throttle valve control apparatus of internal combustion engine and automobile using the same

[미국특허] Throttle valve control apparatus of internal combustion engine and automobile using the same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-009/10 F02D-009/08 F02D-001/00
출원번호	US-0501069 (2006-08-09)
등록번호	US-7367315 (2008-05-06)
우선권정보	JP-2000-110540(2000-04-06)
발명자 / 주소	Wayama,Eisuke Usui,Toshifumi Hashimoto,Yoshikatsu Tokumoto,Shigeru Saito,Yasuo
출원인 / 주소	Hitachi, Ltd. Hitachi Car Engineering Co., Ltd.
대리인 / 주소	Crowell & Moring LLP
인용정보	피인용 횟수 : 0 인용 특허 : 19

초록 ▼

The invention provides a throttle valve control apparatus provided with a throttle sensor which is in trouble at a low possibility and has a long service life, whereby an accurate output of a throttle opening degree can be obtained. The throttle valve control apparatus of an internal combustion engi

대표청구항 ▼

What is claimed: 1. A throttle valve control apparatus of an internal combustion engine comprising: a throttle valve axis; a final gear fixed to said throttle valve axis and transmitting a driving force of a motor to said throttle valve axis; a throttle body supporting said throttle valve axis; a throttle sensor detecting a rotation angle of said throttle valve axis; and a cover attached to said throttle body and covering said final gear, wherein said throttle sensor is of a magnetic type having a magnet and a Hall element detecting a change of a magnetic flux of said magnet, and wherein said magnet and said Hall element are arranged between a surface in a side in which a gear fixed to said throttle valve axis faces to said throttle body, and an inner surface of said cover. 2. A throttle valve control apparatus of an internal combustion engine as claimed in claim 1, wherein said magnet is attached to said throttle valve axis, and said Hall element is attached to said cover. 3. A throttle valve control apparatus of an internal combustion engine as claimed in claim 1, wherein an output of said Hall element is a function of an opening degree of said throttle valve. 4. A throttle valve control apparatus of an internal combustion engine as claimed in claim 1, wherein a command value of said motor is regulated on the basis of an electric signal output by said throttle sensor. 5. A throttle valve control apparatus of an internal combustion engine as claimed in claim 1, wherein said gear is constituted by a metal plate fixed to said throttle valve axis, and a synthetic resin portion forming teeth, and said synthetic resin portion is integrally formed with said metal plate by insert molding said metal plate. 6. A throttle valve control apparatus of an internal combustion engine as claimed in claim 1, wherein a rotation axis of said motor is arranged in parallel to said throttle valve axis, a rotation of the rotation axis of said motor is transmitted to said throttle valve axis via a reduction gear, and a support axis of an intermediate gear positioned at the midpoint of a torque transmission path between the rotation axis of said motor and said throttle valve axis. 7. A throttle valve control apparatus of an internal combustion engine as claimed in claim 1, wherein said Hall element and a signal processing circuit converting an output of said Hall element into a predetermined electric signal are operatively attached to said cover. 8. A throttle valve control apparatus of an internal combustion engine as claimed in claim 1, wherein a spring holding said magnet at a predetermined opening degree position at a time of shutting off the current of said motor is installed at a periphery of said throttle valve shaft. 9. A throttle valve control apparatus of an internal combustion engine as claimed in claim 1, wherein said Hall element comprises two elements arranged under a magnetic effect of said magnet and backed up mutually.

이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

Kawamura Yuji,JPX ; Ida Masao,JPX ; Uchida Makoto,JPX, Actuator.
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Takashi Hamaoka JP; Takamitsu Kubota JP; Kunio Nanba JP; Akira Shimazu JP; Kunio Tanaka JP, Angular position detection apparatus.
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Peter Apel DE, Angular rotation sensor.
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Satoshi Saito JP; Tomohiro Ikeda JP, Battery connection plate and a manufacturing method therefor.
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Peter Apel DE; Klaus Wilczek DE, Hall effect rotation sensor for a throttle valve unit.
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Oudet Claude (Besancon FRX) Prudham Daniel (Thise FRX), Magnetic position and speed sensor with hall probe in an air gap.
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Hirofumi Hagio JP; Takashi Hamaoka JP; Yoshiyuki Kono JP; Takamitsu Kubota JP; Tomokazu Kondo JP, Rotation angle detector having first molded member integrating magnetic sensing element and output terminal and second molded member integrating stator core and first molded member.
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Yoshiyuki Kono JP; Takashi Hamaoka JP; Takamitsu Kubota JP; Katsuya Torii JP; Kunio Tanaka JP, Rotation-angle-detection device having magnetic sensor fixed to cover with detection direction transverse to cover longitudinal direction.
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Eguchi Osamu (Anjo JPX) Hattori Mitsutoshi (Okazaki JPX) Hanaoka Takatsugu (Kariya JPX), Rotational angle detecting apparatus.
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Toru Sakurai JP; Tsutomu Nishitani JP; Sunao Kitamura JP; Takashi Tsuge JP, Throttle control apparatus for internal combustion engine.
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Kato Hideki,JPX, Throttle device for engines having shaft positioning part.
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Schaefer Wolfgang (Grossbottwar DEX) Kaiser Klaus (Markgroeningen DEX) Benda Martin (Heilbronn DEX) Reiling Eckard (Eisingen DEX), Throttle valve adjusting unit.
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Wayama, Eisuke; Usui, Toshifumi; Hashimoto, Yoshikatsu; Tokumoto, Shigeru; Saito, Yasuo, Throttle valve control apparatus of internal combustion engine and automobile using the same.
상세보기
Wayama,Eisuke; Usui,Toshifumi; Hashimoto,Yoshikatsu; Tokumoto,Shigeru; Saito,Yasuo, Throttle valve control apparatus of internal combustion engine and automobile using the same.
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Kensuke Imada JP; Mikihiko Suzuki JP; Takeshi Sugiyama JP, Throttle valve control device for an internal combustion engine.
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Takagi Katsunari,JPX ; Nakao Kenji,JPX ; Sugiyama Takeshi,JPX, Throttle valve controller for an internal combustion engine.
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Yamada Hiroyuki,JPX ; Kamimura Yasuhiro,JPX ; Ono Kenji,JPX ; Isozaki Norihiro,JPX, Throttle valve device for an internal combustion engine.
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Sato Hisaaki,JPX ; Kumagai Masato,JPX ; Kudo Munehiro,JPX ; Kai Keiichi,JPX, Valve actuator arrangement for internal combustion engine.
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Saito Yasushi,JPX ; Nakamura Yoshihiro,JPX, Vehicle speed control system.
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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] Throttle valve control apparatus of internal combustion engine and automobile using the same 원문보기

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이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

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[미국특허] Throttle valve control apparatus of internal combustion engine and automobile using the same 원문보기

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이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

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