Internal combustion engine with a secondary air-fuel supply

Details Internal combustion engine with a secondary air-fuel supply Internal combustion engine with a secondary air-fuel supply

1994-01-27

1996-08-13

Heyman, Leonard E.

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60284, 60289, 60303, 60307, F01N 336

Patent

active

055444830

ABSTRACT:
An internal combustion engine has a temperature-dependent exhaust gas converter arranged to receive a secondary air supply from a secondary air pump, and the engine has a fuel vapor accumulator to collect fuel vapors from the fuel supply for the engine. During cold-starting of the engine, the air pump is operated to draw fuel vapors from the accumulator into the secondary air supply to regenerate the accumulator and provide a flammable secondary air-fuel mixture to the exhaust gas converter.

REFERENCES:
patent: 3050376 (1962-08-01), Bishop
patent: 3131533 (1964-05-01), Vandenberg
patent: 3263412 (1966-08-01), Thompson
patent: 3306035 (1967-02-01), Morrell
patent: 3446011 (1969-05-01), Ohno
patent: 3618314 (1971-11-01), Krebs
patent: 3716996 (1973-02-01), Maruoka
patent: 3908371 (1975-09-01), Nagai
patent: 3911675 (1975-10-01), Mondt
patent: 4926816 (1990-05-01), Kita et al.
patent: 5239824 (1993-08-01), Matsumoto
patent: 5272873 (1993-12-01), Hamazaki
patent: 5353590 (1994-10-01), Pettit et al.

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