Injection nozzle for piston cooling in an internal combustion en

Details Injection nozzle for piston cooling in an internal combustion en Injection nozzle for piston cooling in an internal combustion en

1997-07-22

1999-06-29

Kamen, Noah P.

Internal-combustion engines

Cooling

Internal cooling of moving parts; e.g., hollow valves,...

F01P 104

Patent

active

059153458

ABSTRACT:
The injection nozzle according to the invention for cooling the pistons of an internal combustion engine serves to produce a sharply bundled solid stream. In order to prevent separation of the oil stream at high oil temperatures and the associated low viscosity of the lubricating oil, it is proposed to provide at least two exit channels approximately parallel to one another, whose spacing is less than twice the diameter of the larger exit channel. With this design of two exit channels that are located very close together, an oil stream is produced that is a coherent solid stream a short time after leaving the exit channels.

REFERENCES:
patent: 3423029 (1969-01-01), Demaison
patent: 5267534 (1993-12-01), Berlinger
Turbo Diesel 300 SD (116.120) USA, 978, Mercedes-Benz Service, Daimler-Benz Aktiengesellschaft,; eingeg. Apr. 10, 1981; pp. 3, 33, 34.

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