1
Shinichi Takeshima, Kiyoshi Nakanishi, Satoshi Iguchi, Toshiaki Tanaka, Yasushi Araki, Shinya Hirota, Kiyoshi Kobashi: Exhaust purification device of internal combustion engine. Toyota Jidosha Kabushiki Kaisha, Kenyon & Kenyon, December 12, 1995: US05473887 (138 worldwide citation)

An NO.sub.x absorbent (18) is disposed in an exhaust passage of an internal combustion engine and the exhaust gas is constantly made to circulate through the NO.sub.x absorbent (18) during the operation of the engine. The NO.sub.x absorbent (18) absorbs the NO.sub.x when the air-fuel ratio of the ex ...


2
Kotaro Hayashi, Tokuta Inoue, Sumio Ito, Kiyoshi Kobashi, Shinichi Takeshima: Exhaust emission control device for a diesel engine. Toyota Jidosha Kabushiki Kaisha, Oliff & Berridge, June 19, 1990: US04934142 (90 worldwide citation)

An exhaust emission gas control device having a first filter trapping particulates contained in an exhaust gas, and a second filter removing offensive odor components in the exhaust gas. The first filter is a honeycomb type having a cordierite substrate on which .tau.-alumina is coated. The second f ...


3
Shunsuke Ban, Youichi Nagai, Kiyoshi Kobashi, Hiromichi Yanagihara: Particulate trap for diesel engine. Sumitomo Electric, Toyota Jidosha Kabushiki Kaisha, Wenderoth Lind & Ponack L, June 1, 1999: US05908480 (74 worldwide citation)

A particulate trap for use in a diesel engine which is inexpensive, and which is high in particulate trapping efficiency, regeneration properties and durability, and low in pressure loss due to particulates trapped. An even number of flat filters made from a non-woven fabric of heat-resistant metall ...


4
Kiyohiko Oishi, Yoshihiro Suzuki, Kiyoshi Kobashi, Shinichi Matsumoto, Takashi Yoshida, Takeshi Kogiso: Method of and apparatus for reducing emitted amount of particulates contained in exhaust gas of diesel engine. Toyota Jidosha Kogyo Kabushiki Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho, Parkhurst & Oliff, September 20, 1983: US04404795 (72 worldwide citation)

This invention provides improvements in method of and apparatus for reducing an emitted amount of particulates by collecting the particulates contained in the exhaust gas from a diesel engine by a trapper. According to the invention, firstly, an excess amount of the particulates which have adhered t ...


5
Kotaro Hayashi, Tokuta Inoue, Sumio Ito, Kiyoshi Kobashi, Shinichi Takeshima: Exhaust gas purifying apparatus built-in to a muffler for a diesel engine. Toyota Jidosha Kabushiki Kaisha, Oliff & Berridge, April 17, 1990: US04916897 (65 worldwide citation)

An exhaust gas purifying apparatus comprising a first and a second casings having expansion chambers, respectively, a third casing arranged between the first and second casings to form a passage therebetween, an inlet pipe introducing the exhaust gas into the first expansion chamber, and an outlet p ...


6
Shinya Hirota, Yasushi Araki, Kiyoshi Kobashi, Tomohiro Oda, Fumitada Murakami: Exhaust gas purification device for an engine. Toyota Jidosha Kabushiki Kaisha, Kenyon & Kenyon, April 18, 1995: US05406790 (64 worldwide citation)

A NO.sub.x absorbent which absorbs NO.sub.x in exhaust gas when the air-fuel ratio of the exhaust gas is lean and releases absorbed NO.sub.x when the oxygen concentration of the exhaust gas is lowered, is disposed in an exhaust passage of an engine. When the amount of the NO.sub.x absorbed by the NO ...


7
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 (45 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 ...


8
Kiyoshi Kobashi: Soot catcher purgative diesel engine fuel supply method and apparatus. Toyota Jidosha Kabushiki Kaisha, Stevens Davis Miller & Mosher, June 5, 1984: US04452040 (40 worldwide citation)

A diesel engine is provided with a soot particle catcher. When the soot particle catcher is heavy with accumulation of soot, while the engine is operating a combustion chamber thereof is supplied with a purging supply of diesel fuel at a timing point at which heat produced by combustion of this dies ...


9
Shigeru Takagi, Yukihisa Takeuchi, Shigeru Kamiya, Masahiro Tomita, Kiyohiko Oishi, Kiyoshi Kobashi: Exhaust gas cleaning device for internal combustion engine. Nippon Soken, Toyota Jidosha Kogyo Kabushiki Kaisha, Cushman Darby & Cushman, December 4, 1984: US04485622 (38 worldwide citation)

An exhaust gas cleaning device comprises at least one exhaust gas flowing passage, at least one particulates collecting member composed of two filter elements having different heat capacity, which is disposed within the exhaust gas flowing passage and heating means which is interposed between the fi ...


10
Syunsuke Ban, Tomohiko Ihara, Yoichi Nagai, Kiyoshi Kobashi, Hiromichi Yanagihara: Particulate trap. Sumitomo Electric, Wenderoth Lind & Ponack, October 5, 1999: US05961931 (29 worldwide citation)

A particulate trap for use with a diesel engine is high in particulate trapping capacity and regenerating capacity and low in pressure drop, and yet is compact and inexpensive. This trap has a filter element made up of a plurality of tapered filter members formed from a fabric of heat-resistant meta ...