[특허]Secondary air regulating system

Secondary air regulating system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-075/10 F01N-003/10
출원번호	US-0483289 (1974-06-26)
우선권정보	JA-0072678 (1973-06-27)
발명자 / 주소	Ikeura Kenji (Yokohama JA) Hata Yoshitaka (Fujisawa JA)
출원인 / 주소	Nissan Motor Co., Ltd. (Yokohama JA 03)
인용정보	피인용 횟수 : 34 인용 특허 : 0

초록 ▼

A sensor such as an oxygen sensor or a carbon monoxide sensor generates an electrical signal responsive to the oxygen or carbon monoxide concentration in exhaust gases discharged from an exhaust purifying device. Under the control of the electrical signal regulating means the amount of secondary air

대표청구항 ▼

A secondary air regulating system for an exhaust purifying device of an internal combustion engine having an air intake passage and an exhaust passage in which said exhaust purifying device is disposed, which system in combination comprises: secondary air supply means connected to a portion upstream of said exhaust purifying device in said exhaust passage for supplying secondary air into said portion; a sensor disposed downstream of said exhaust purifying device in said exhaust passage for generating a first signal in response to a predetermined concentration of a predetermined component being sensed in exhaust gases discharged from said exhaust purifying device; a controller electrically connected to said sensor for producing a second signal in response to said first signal from said sensor; and regulating means electrically connected to said controller and connected to said secondary air supply means for controlling said secondary air supply means in response to said second signal, whereby said secondary air supply means supplies the optimal amount of secondary air into the portion upstream of said exhaust purifying device in said exhaust passage, said regulating means comprising, a three way solenoid valve electrically connectable and respondable to said controller and communicating with said air passage in response to said second signal from said controller, said three-way solenoid valve including a solenoid coil electrically connected with said controller and provided with a bore inside thereof, said coil being variably energizable by either polarity of said second signal and the energizing magnitude of said second signal, an atmospheric chamber adjacent to said bore and provided with an air inlet port communicating with the atmosphere, a vacuum chamber adjacent to said atmospheric chamber through a partition wall having an opening therethrough and provided with a vacuum inlet port communicating with said air intake passage and a vacuum outlet port communicating with said diaphragm assembLy, an elongate permanent magnet plunger slidably disposed in said bore inside of said solenoid coil, said plunger being reversably movable therein in dependence on the polarity of solenoid coil and in response to the energizing signal magnitude of said solenoid coil, biasing means biasing said plunger at both ends thereof for holding it at neutral position, and a needle valve integrated with said plunger and being movably disposed in said opening of said partition wall so as to determine the opening area of said opening in accordance with the movement of said plunger, a diaphragm assembly communicating with said air intake passage through said three-way solenoid valve for actuation by the vacuum regulated by said solenoid valve, and a relief valve mechanically connected to said diaphragm assembly, said relief valve communicating with said air supply means for control of said air supply means in response to said second signal from said controller.

이 특허를 인용한 특허 (34)

Mitsuda Tadao (Susono JPX) Iwata Minoru (Susono JPX) Sugiura Masatoshi (Obu JPX) Takada Shigetaka (Obu JPX) Watanabe Yukihiro (Nagoya JPX), Apparatus for controlling the amount of secondary air fed into an internal combustion engine.
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Mitsuda Tadao (Susono JPX) Iwata Minoru (Susono JPX) Sugiura Masatoshi (Obu JPX) Takada Shigetaka (Obu JPX) Watanabe Yukihiro (Nagoya JPX), Apparatus for controlling the amount of secondary air fed into an internal combustion engine.
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Miyagi Hideo (Susono JPX), Apparatus for controlling the amount of secondary air injection.
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Miyagi ; Hideo ; Oishi ; Kiyohiko ; Ishida ; Yasuhiko ; Yamaguchi ; Shun zo, Apparatus for introducing secondary air into an exhaust system of an internal combustion engine.
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Hosoya Yasuhiko,JPX ; Kuroda Toshiki,JPX ; Takahashi Tatsuhiko,JPX ; Sekiya Mutsuo,JPX, Apparatus for purifying engine exhaust gas.
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Nethery Stanton K. (Marshalltown IA), Combustion control system and method.
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Hosoya Yasuhiko (Hyogo JPX) Kuroda Toshiki (Hyogo JPX) Katashiba Hideaki (Hyogo JPX), Controlling apparatus for introducing air into an exhaust pipe of an internal combustion engine.
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Hosoya Yasuhiko,JPX ; Kuroda Toshiki,JPX ; Katashiba Hideaki,JPX, Controlling apparatus for introduction air into an exhaust pipe of an internal combustion engine.
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Horikoshi Masafumi (Toyota JPX) Sato Michikatsu (Toyota JPX) Onishi Takanori (Toyota JPX), Device for controlling primary and secondary air/fuel ratios for internal combustion engine.
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Katahira Eturou (Okazaki JPX) Yamaguchi Shunzo (Okazaki JPX) Kida Masashi (Nishio JPX) Ishida Yasuhiko (Susono JPX) Miyagi Hideo (Susono JPX), Device for purifying exhaust gases from internal combustion engine.
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Iwata Minoru (Susono JPX) Yasuda Takeru (Nagoya JPX) Hagiwara Shyoichi (Aichi JPX), Electromagnetic vacuum switching valve for use in an exhaust gas cleaning apparatus.
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Katahira, Eturou; Yamaguchi, Shunzo; Kida, Masashi; Ishida, Yasuhiko, Engine exhaust gas purification system.
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Mitsuda Tadao (Susono JP) Yasuda Takeru (Nagoya JP) Fukumori Yoshiki (Obu JP), Exhaust gas cleaning apparatus for an internal combustion engine.
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Iwata Minoru (Susono JPX) Yasuda Takeru (Nagoya JPX) Hirosawa Hidenori (Obu JPX), Exhaust gas cleaning apparatus of an internal combustion engine.
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Mitsuda Tadao (Susono JPX) Yasuda Takeru (Nagoya JPX) Fukumori Yoshiki (Obu JPX), Exhaust gas cleaning apparatus of an internal combustion engine.
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Mitsuda Tadao (Susono JPX) Yasuda Takeru (Nagoya JPX) Kasuya Kazusato (Kariya JPX), Exhaust gas cleaning apparatus of an internal combustion engine.
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Yamakawa Yoshio (Toyota JPX) Fukumori Yoshiki (Obu JPX), Exhaust gas cleaning apparatus of an internal combustion engine.
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Katahira Eturou (Okazaki JPX) Yamaguchi Shunzo (Okazaki JPX) Kida Masashi (Nishio JPX) Ishida Yasuhiko (Susono JPX), Exhaust gas purification apparatus for an internal combustion engine.
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Kohama Tokio (Nishio JPX) Obayashi Hideki (Hoi JPX) Ozaki Tadashi (Nishio JPX) Nohira Hidetaka (Mishima JPX), Exhaust gas purifying apparatus for internal combustion engine.
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Ujihashi, Michiaki; Kato, Kichiro, Exhaust gas purifying method of an internal combustion engine.
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Nakase Takamichi (Gamagori JPX) Hattori Tadashi (Okazaki JPX) Naito Junichiro (Toyokawa JPX) Kondo Kenji (Aichi JPX), Exhaust gas purifying system for internal combustion engines.
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Takata ; Akira ; Tanahashi ; Toshio ; Oda ; Toshio, First and second air feeding means to regulate a/f ratio wherein second air feed requires two signals for actuation.
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Yoshimura ; Tooru ; Kuroda ; Hiroshi, Internal combustion engine equipped with catalytic converter.
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Masaki Kenji (Yokohama JPX) Saito Zen-ichiro (Yokohama JPX), Internal combustion engine equipped with exhaust gas purifying device.
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Takeda Keiso (Susono JPX) Miyagi Hideo (Toyota JPX), Internal combustion engine secondary air injection compensating system.
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Takeda Keiso (Susono JPX) Miyagi Hideo (Toyota JPX), Internal combustion engine secondary air supply control system.
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Nakase Takamichi (Gamagori JPX) Hattori Tadashi (Okazaki JPX) Naito Junichiro (Toyokawa JPX) Kondo Kenji (Hoi all of JPX), Method of operating a three-way catalyst for internal combustion engines.
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Katashiba Hideaki (Hyogo JPX) Nishiyama Ryoji (Hyogo JPX) Hosoya Yasuhiko (Hyogo JPX) Kuroda Toshiki (Hyogo JPX), Secondary air control apparatus for exhaust gas purifier.
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Miyagi ; Hideo, Secondary air control system in an internal combustion engine.
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Takeda Keisou (Susono JPX), Secondary air control system in an internal combustion engine.
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Watanabe Noboru (Susono JPX), Secondary air feed control device.
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Hattori Kyo (Susono JPX), Secondary air supply system for the exhaust system of an internal combustion engine.
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Miyagi ; Hideo, System for introducing secondary air into an internal combustion engine.
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Miyagi ; Hideo, System for introducing secondary air into an internal combustion engine.
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