Internal combustion engine with a methanol reforming system

Details Internal combustion engine with a methanol reforming system Internal combustion engine with a methanol reforming system

1979-04-18

1980-10-28

Myhre, Charles J.

Internal-combustion engines

Miscellaneous

Fuels, lubricants and additives

123 3, 123575, F02B 4308, F02M 1306

Patent

active

042300720

ABSTRACT:
An internal combustion engine has a primary fuel circuit for producing a lean mixture of air and hydrocarbon fuel to be fed into a combustion chamber and a secondary fuel circuit which includes a secondary carburetor for producing a mixture of air and methanol at an air-methanol ratio of less than 2.0. The air-methanol mixture is fed into a reactor vessel having therein a catalyst bed which is heated to facilitate reaction between the components of the air-methanol mixture. By the reaction the air-methanol mixture is converted into a reformed gaseous mixture rich with hydrogen which is then mixed with an air-hydrocarbon fuel mixture to form a composite mixture to be supplied into the combustion chamber. The existence of hydrogen in the composite mixture assures reliable spark-ignition and stable combustion of the composite mixture which is of a very large air-fuel ratio as calculated in terms of air-gasoline ratio, to thereby reduce the emission of harmful components of engine exhaust gas and improve the fuel consumption.

REFERENCES:
patent: 1966345 (1934-07-01), Harrell
patent: 3908606 (1975-09-01), Toyoda et al.
patent: 3915125 (1975-10-01), Henkel et al.
patent: 3976034 (1976-08-01), Shinohara et al.
patent: 3977366 (1976-08-01), Yamaguchi et al.
patent: 3986350 (1976-10-01), Schmidt
patent: 4037568 (1977-07-01), Schreiber

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