Internal-combustion engines – Lubricators – Crankcase – pressure control
Reexamination Certificate
2007-04-03
2007-04-03
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Lubricators
Crankcase, pressure control
C184S015200
Reexamination Certificate
active
11373121
ABSTRACT:
A lubrication system for an internal combustion engine a lubricant source, a first lubricant passage that conducts lubricant from the lubricant source to a portion of the engine beneath the piston, and a second lubricant passage that conducts lubricant a space above the piston. The first lubricant passage may include a spray nozzle that sprays lubricant onto a crankshaft bearing and/or onto a wall of the cylinder. The second lubricant passage may conduct airborne lubricant from a crankcase of the engine to the space above the piston.
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Harris Katrina
Oliff & Berridg,e PLC
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