Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element responds proportionally to a variable signal...
Patent
1992-02-19
1996-04-02
McMahon, Timothy M.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element responds proportionally to a variable signal...
60284, 60286, 60300, 422174, F01N 310, F01N 318
Patent
active
055038042
ABSTRACT:
A catalyzer control apparatus for purifying exhaust gas from an internal combustion engine has an electrically heated catalyzer that is heated by a battery which battery is isolated from the conventionally provided engine battery. The temperature of the catalyzer is detected by a sensor and a control circuit located with an engine control unit selectively applies power to heat the catalyzer. The catalyzer is arranged to be pre-heated prior to engine start and by isolating the battery for heating the catalyzer from the normally provided engine battery so, because the catalyzer takes a great power, engine starting is enhanced by virtue of having separate batteries.
REFERENCES:
patent: 3768982 (1973-10-01), Kitzner et al.
patent: 3816805 (1974-06-01), Terry
patent: 3886739 (1975-06-01), Lee
patent: 3889464 (1975-06-01), Gardner
patent: 4045718 (1977-08-01), Gray
patent: 4102127 (1978-07-01), Saiki et al.
patent: 4651081 (1987-03-01), Nishimura et al.
patent: 5146743 (1992-09-01), Maus et al.
patent: 5155995 (1992-10-01), Kinnear et al.
patent: 5163290 (1992-11-01), Kinnear
patent: 5184463 (1993-02-01), Becker et al.
patent: 5191763 (1993-05-01), Yuuki
patent: 5194229 (1993-03-01), Abe et al.
patent: 5201802 (1993-04-01), Hirota et al.
patent: 5204066 (1993-04-01), Fumio et al.
patent: 5216880 (1993-06-01), Aoki et al.
patent: 5229080 (1993-07-01), Abe et al.
SAE Technical Paper 90053, "Recent Developments in Electrically Heated Metal Monoliths", by W. A. Whittenberger & J. Kubsh, pp. 230-239, 1990.
Patent Abstracts of Japan, vol. 3, No. 144 (M-82) 28 Nov. 1979 & JP-A-54 121 324 (Toyota) 20 Sep. 1979.
Atago Takeshi
Fujishita Masakatsu
Mashino Keiichi
Shibukawa Suetaro
Yoshihara Shigeyuki
Carpenter Robert
Hitachi , Ltd.
Hitachi Automotive Engineering Co. Ltd.
McMahon Timothy M.
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