Expansible chamber devices – With lubricating means – Piston has lubricant retaining or conducting means
Patent
1995-05-26
1996-01-16
Denion, Thomas E.
Expansible chamber devices
With lubricating means
Piston has lubricant retaining or conducting means
92158, 92189, 92 10, 92219, 1231936, F01B 3110
Patent
active
054838690
ABSTRACT:
The design and construction of past articulated pistons include an open space between a head portion and an independent skirt portion. The open space allows excess cooling fluid, such as oil, to exit the piston and flow toward the cylinder, increasing oil consumption and carbon deposits within the engine. The present invention overcomes these problems by positioning a sealing means within an open space between a head portion and a skirt portion of an articulated piston. The sealing means completely blocks the oil from exiting the piston while being adequately conformable to allow the necessary articulation between the head and skirt portions.
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Bock Allyn P.
Kelly Stephen V.
McLaughlin Samuel L.
Weller Brian R.
Caterpillar Inc.
Charlton Diana L.
Denion Thomas E.
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