F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
121/88, 121/95
F16J 1/00 (2006.01) F02F 3/00 (2006.01) F04B 39/00 (2006.01) F04B 39/02 (2006.01) F16C 5/00 (2006.01) F16J 1/02 (2006.01) F16J 1/14 (2006.01)
Patent
CA 1037801
OIL COOLED PISTON ABSTRACT OF THE DISCLOSURE An improved piston assembly including a generally cylind- rical piston body having a crown, a depending relatively short ring land and a central cavity comprising inner and outer chambers. Seal receiving grooves are disposed in the ring land and are adapted to receive sealing rings, one of the grooves being specif- ically adapted to receive an oil ring. A generally cylindrical skirt body is provided and has an end in proximity to the piston body adjacent the ring land and is aligned with the piston body. An annular groove in the end of the skirt body opens into the outer chamber of the central cavity for receiving cooling oil draining from the cavity and for splashing the cooling oil against the interior of the piston body, to cool the same. Bores from the oil ring receiving groove convey oil from such groove to the annular groove. - 1 -
260451
Jacobson Wayne D.
Kamman Kenneth R.
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