Engine piston

Details Engine piston Engine piston

1994-04-01

1995-10-03

Kamen, Noah P.

Internal-combustion engines

Cooling

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

F02F 318

Patent

active

054543517

ABSTRACT:
Described herein is an engine piston that incorporates reciprocating heat pipes for temperature reduction in the upper section of the piston. The reciprocating heat pipes are arranged circumferentially, close to the piston ring grooves, and extend from the region of the top ring groove to the piston skirt region. Since the reciprocating heat pipe has a very high thermal conductance, excessive heat in the top ring groove region can be transferred to the heat pipe section corresponding to the piston skirt region, where accessibility to the cooling oil is much greater, and heat can be dissipated via oil splash/mist or jet impingement cooling. Also, the heat dissipation area in contact with the cooling oil is significantly increased. As a result, the temperature in the upper section of the piston can be considerably decreased. The temperature reduction in the upper section of the piston, including the top ring groove region, would significantly improve engine thermal efficiency and performance of the piston assembly.

REFERENCES:
patent: 4470375 (1984-09-01), Showalter

Affiliated with

Also associated with

Rating

Engine piston does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Engine piston, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Engine piston will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1072200