F - Mech Eng,Light,Heat,Weapons – 02 – F
Patent
F - Mech Eng,Light,Heat,Weapons
02
F
123/245
F02F 7/00 (2006.01) F02B 47/02 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1285837
STEAM PURGE OF A PISTON/CYLINDER GAP IN A DIESEL ENGINE Abstract of the Disclosure An improvement for a diesel engine uses a vapor to purge a gap between a piston and cylinder wall. The diesel engine includes at least one cylinder, a piston recipro- catingly mounted in the cylinder, and means for establishing a compression seal between the piston sidewall surface and cylinder wall surface. A chamber is disposed in the piston crown. Means are provided for conducting a liquid into the chamber and containing the liquid under pressure in the chamber. Further provided are means situated in the piston sidewall surface for conducting a vapor between the chamber and the gap between the piston and cylinder wall. In operation, a liquid such as water is conducted into the chamber disposed in the piston crown. The heat generated in the cylinder during the normal operation of the engine is absorbed through the piston crown by the liquid in the chamber. The liquid subsequently turns to a vapor and, being contained in the chamber under pressure, seeps through the vapor conducting means to purge the gap between the piston and cylinder wall.
527546
Correa Sanjay M.
Leonard Gary L.
Company General Electric
Correa Sanjay M.
Leonard Gary L.
Oldham And Wilson
LandOfFree
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