1
Hidetaka Nohira: Device for varying a valve timing and lift for an internal combustion engine. Toyota Jidosha Kabushiki Kaisha, Cushman Darby & Cushman, September 29, 1987: US04696265 (51 worldwide citation)

A device for varying a valve timing and lift for an internal combustion engine comprises a first valve lifter and a second valve lifter, and an oil pressure chamber being defined between the first valve lifter and the second valve lifter. The flow of oil from the oil pressure chamber is continuously ...


2
Kenji Katoh, Tokuta Inoue, Hidetaka Nohira, Kiyoshi Nakanishi, Satoshi Iguchi, Tetsuro Kihara, Masato Gotoh, Takamitsu Asanuma, Hiroshi Okano, Jun Harada, Shinichi Takeshima, Masahiko Sugiyama, Shigenori Sakurai, Kenji Ohkubo, Mikio Murachi: Exhaust purification device of internal combustion engine. Toyota Jidosha Kabushiki Kaisha, Kenyon & Kenyon, January 16, 1996: US05483795 (46 worldwide citation)

An NO.sub.x absorber (18) is arranged in an exhaust passage of an internal combustion engine. The NO.sub.x absorber (18) absorbs the NO.sub.x when the air-fuel ratio of the exhaust gas flowing into the NO.sub.x absorber (18) is lean while releases the absorbed NO.sub.x when the air-fuel ratio of the ...


3
Kenji Katoh, Tokuta Inoue, Hidetaka Nohira, Kiyoshi Nakanishi, Satoshi Iguchi, Tetsuro Kihara, Hideaki Muraki: Exhaust purification device of an internal combustion engine. Kabushiki Kaisha Toyota Cho Kenkusho, Toyota Jidosha Kabushiki Kaisha, Kenyon & Kenyon, May 9, 1995: US05412945 (40 worldwide citation)

A NO.sub.x absorbent (18) which absorbs the NO.sub.x when the air-fuel ratio of the exhaust gas flowing into the NO.sub.x absorbent (18) is lean and releases the absorbed NO.sub.x when the oxygen concentration of the exhaust gas flowing into the NO.sub.x absorbent (18) is lowered, is arranged in the ...


4
Hidetaka Nohira, Kiyoshi Kobashi, Jiro Nakano: Exhaust gas recirculation control system for an internal combustion engine. Toyota Jidosha Kogyo Kabushiki Kaisha, Stevens Davis Miller & Mosher, July 24, 1979: US04161929 (33 worldwide citation)

An exhaust gas recirculation control system for an internal combustion engine including a diaphragm type exhaust gas recirculation control valve provided at a middle portion of a passage for conducting exhaust gases to be recirculated, the control valve being controlled by the fluid pressure supplie ...


5
Hidetaka Nohira, Toshiaki Konomi, Hideaki Matsui: Intake system of an internal combustion engine of a counter-flow type. Toyota Jidosha Kogyo Kabushiki Kaisha, Kenyon & Kenyon, March 3, 1981: US04253432 (33 worldwide citation)

A multi-cylinder engine comprising an intake manifold equipped with a carburetor. A secondary throttle valve is provided for each cylinder. Each of the secondary throttle valves is arranged in the respective manifold branch and fixed onto a common throttle shaft. An auxiliary intake passage is branc ...


6
Hidetaka Nohira, Masaaki Tanaka: Flow control valve assembly for exhaust gas recirculation system. Toyota Jidosha Kogyo Kabushiki Kaisha, Toren McGeady and Stanger, August 17, 1976: US03974807 (23 worldwide citation)

Herein disclosed is a flow control valve assembly for use in an exhaust gas recirculation system in which engine exhaust gases are recirculated from the exhaust system to the intake system of an internal combustion engine so as to clean the engine exhaust gases. The flow control valve assembly compr ...


7
Hidetaka Nohira, Sumio Ito, Hisashi Oki: Internal combustion engine injected accumulation chamber. Toyota Jidosha Kogyo Kabushiki Kaisha, Kenyon & Kenyon, July 1, 1980: US04210105 (22 worldwide citation)

Disclosed is an internal combustion engine comprising a combustion chamber and an accumulation chamber which are interconnected to each other via an accumulation valve. The opening operation of the accumulation valve is controlled so that the accumulation valve remains opened during the compression ...


8
Hidetaka Nohira, Kiyoshi Kobashi, Jiro Nakano: Computer control of an exhaust gas recirculation device for an internal combustion engine. Toyota Jidosha Kogyo Kabushiki Kaisha, Stevens Davis Miller & Mosher, August 7, 1979: US04164032 (22 worldwide citation)

Disclosed herein is a computer control system of an exhaust gas recirculation device for an internal combustion engine, wherein values of the parameters of desired EGR ratios when various conditions in the engine intake system exist are preliminarily stored in the memory of the computer, and wherein ...


9
Hidetaka Nohira, Masaaki Tanaka: Exhaust gas recirculation system in an internal combustion engine. Toyota Jidosha Kogyo Kabushiki Kaisha, Stevens Davis Miller & Mosher, June 6, 1978: US04092960 (21 worldwide citation)

A back pressure-controlled EGR system in an internal combustion engine comprising an EGR valve means with a pressure control chamber disposed in an EGR conduit connecting an exhaust pipe to an intake pipe of the engine, and a back pressure transducer having a sub-atmospheric pressure chamber connect ...


10
Hidetaka Nohira, Masaaki Tanaka: Apparatus for recirculating exhaust gases. Toyota Jidosha Kogyo Kabushiki Kaisha, Blanchard Flynn Thieh Boutell & Tanis, January 24, 1978: US04069797 (21 worldwide citation)

An apparatus for recirculating exhaust gases, wherein an exhaust gas recirculating passage provides communication between the intake and exhaust passages of an internal combustion engine. A constriction is provided in the passage, and a control valve is provided in the passage downstream of the cons ...



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