Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...
Patent
1995-10-17
1996-10-08
McMahon, Marguerite
Internal-combustion engines
Engine speed regulator
Having condition responsive means with engine being part of...
F02B 2506
Patent
active
055620876
ABSTRACT:
An oil separator for blow-by gases formed in internal combustion engines includes a nozzle that has a plurality of holes located in the air flow path of the blow-by gases. The diameter of the holes and the thickness of the nozzle results in the flow of blow-by gases being accelerated as the gases flow through the nozzle so that small droplets of oil in the blow-by gases tend to be formed into fewer and larger oil droplets. A portion of the oil droplets will coalesce on the outer surface of the nozzle and drain to an oil drain. The remainder of the accelerated blow-by gas flows through an air gap adjacent the outer surface of the nozzle onto an impervious impingement plate or surface. At least a substantial portion of the remaining oil droplets in the blow-by gases will coalesce on the impingement surface and flow along the impingement surface to the oil drain for reintroduction into the oil reservoir of the engine. The cleansed blow-by gases then flow out of the oil separator through an outlet. The nozzle and the impingement surface can be generally flat plates or have a generally right cylindrical shape. In at least one embodiment of the present invention, the blow-by gases flow through a circuitous path after impinging on the impingement surface to further extract oil from the gases.
REFERENCES:
patent: 4409950 (1983-10-01), Goldberg
patent: 4627406 (1986-12-01), Namiki et al.
patent: 5201301 (1993-04-01), Re
patent: 5243950 (1993-09-01), Dalupan
patent: 5487371 (1996-01-01), Beckman et al.
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