Internal combustion engine

Details Internal combustion engine Internal combustion engine

1977-05-27

1977-11-29

Lazarus, Ronald H.

Internal-combustion engines

Noncompression

123 32E, 123 75B, 123119A, 123193P, F02B 900, F02B 7510, F02B 3300, F02F 314

Patent

active

040600599

ABSTRACT:
An internal combustion engine with greatly reduced emission of pollutants includes a piston having a piston chamber communicating through orifices with the working chamber of the cylinder and an annular balancing chamber communicating with the working chamber through balancing slots when the piston is between 20.degree. to 30.degree. from its bottom center position. Breathing holes are provided at the opposite end of the balancing chamber. Air from the balancing chamber flows into the working chamber in response to the vacuum therein during the intake stroke, flows from the working chamber into the piston chamber during the compression stroke, and from the piston chamber into the working chamber during the power stroke to stratify the combustion process and inhibit the emission of hydrocarbon and carbon monoxide pollutants. Some exhaust gases are admitted to the balancing chamber during the exhaust stroke to be readmitted to the working chamber during the next intake stroke. Under conditions of higher engine speed or vehicle loading, greater quantities of exhaust gases are recirculated in this manner, thereby inhibiting the emission of nitrogen oxide pollutants.

REFERENCES:
patent: 861711 (1907-07-01), Croft
patent: 1165086 (1915-12-01), Ford
patent: 1649700 (1927-11-01), Jobes
patent: 2076030 (1937-04-01), Kallenberger
patent: 2173081 (1939-09-01), Barkeij
patent: 2185254 (1940-01-01), Kliesrath
patent: 2446280 (1948-08-01), Hancock
patent: 2758576 (1956-08-01), Schlamann
patent: 2807250 (1957-09-01), Mallory
patent: 3092089 (1963-06-01), Docza
patent: 3507261 (1970-04-01), Myers et al.

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