Diesel engine with blowby scavenging

Details Diesel engine with blowby scavenging Diesel engine with blowby scavenging

1981-02-17

1982-12-14

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123573, 123 4186, F02B 3300

Patent

active

043633102

ABSTRACT:
In preferred embodiments, the pistons of a 4-stroke cycle diesel engine are provided with blowby storage chambers between two upper piston rings and a scavenging system to flush out blowby gases from the storage chambers when the pistons are at or near their bottom positions of piston motion. The scavenged blowby gas is recirculated to the engine induction system or may be conducted directly to the associated combustion chambers. The system reduces contamination of the engine lubricating oil with sooty particulates and other products in the blowby gases.

REFERENCES:
patent: 1042888 (1912-10-01), Butsch
patent: 1642494 (1927-09-01), Hartzell
patent: 1846282 (1932-02-01), Summers
patent: 2185254 (1940-01-01), Kliesrath
patent: 2224229 (1940-10-01), Miller
patent: 2497781 (1950-02-01), Logashkin
patent: 2963006 (1960-12-01), Karde
patent: 3875914 (1975-04-01), Villedella
patent: 4256064 (1981-03-01), Thorn

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