Piston having a tube to deliver oil for cooling a crown

Details Piston having a tube to deliver oil for cooling a crown Piston having a tube to deliver oil for cooling a crown

1998-07-16

2000-03-07

Wolfe, Willis R.

Internal-combustion engines

Cooling

Internal cooling of moving parts; e.g., hollow valves,...

F01P 104

Patent

active

060326190

ABSTRACT:
A piston (20) for an engine having a crown portion (22) that contains a generally closed cooling chamber (58) that communicates with a cooling fluid source by a cooling bore (74) formed in a pin ear (60, 62). A tube portion (80) is located along the cooling bore (74) and cooperates with the cooling bore (74) to provide a continuous inlet passageway (88) to the cooling chamber (58).

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