Piston cooling system for an internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 18, 2003
Grant Date -
Nov 22, 2001
app pub date -
May 17, 2001
filing date -
May 17, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A piston cooling system is provided for an internal combustion engine having a crankshaft, a plurality of pistons connected to the crankcase shaft, and a crankcase housing partitioned by a plurality of partition walls into a plurality of partitioned sections, and a pressurized lubrication fluid circuit integrated with the crankcase housing for the circulation of lubricant therethrough. The piston cooling system includes a plurality of bores each formed in a respective partition wall and communicated with the pressurized lubricant fluid circuit. The piston cooling system also includes a plurality of spray nozzles, each spray nozzle being mounted in a longitudinal bore formed in a respective partition wall. Each spray nozzle is oriented for spraying lubricant onto the underside of a piston. Each spray nozzle is formed by a lathe process.
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