Two cycle engine provided with catalyst

Details Two cycle engine provided with catalyst Two cycle engine provided with catalyst

1996-11-26

1999-07-13

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Engine speed reduction by partial or complete omission of...

123 73V, 123198D, 123337, F02D 908

Patent

active

059212179

ABSTRACT:
An internal combustion engine having at least one variable volume combustion chamber with an intake passage leading thereto, an ignition element for igniting an air/fuel mixture in the chamber, an exhaust passage leading therefrom and including a catalyst in communication therewith, and an emission control for controlling the emission content is disclosed. Preferably, the emission control comprises a mechanism for closing the intake passage leading to the chamber in the event an engine abnormality is detected and an engine ignition misfire mode is employed, thereby preventing the emission of unburned air and fuel into the exhaust passage leading to the catalyst.

REFERENCES:
patent: 2904025 (1959-09-01), Scherenberg et al.
patent: 3371634 (1968-03-01), Lalande
patent: 4323040 (1982-04-01), Blocki
patent: 4861291 (1989-08-01), Koike
patent: 4971006 (1990-11-01), Imaeda
patent: 4995370 (1991-02-01), Imaeda et al.
patent: 5020492 (1991-06-01), Kanno
patent: 5346417 (1994-09-01), Isogawa
patent: 5387163 (1995-02-01), Sakamoto et al.

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