Expansible chamber devices – Piston – With enclosed insulating space in piston part
Patent
1988-06-01
1990-07-10
Price, Carl D.
Expansible chamber devices
Piston
With enclosed insulating space in piston part
92212, 92224, 123193P, 123279, 29888045, F16J 101, F02F 326, F02F 314
Patent
active
049399845
ABSTRACT:
Pistons for internal combustion engines, particularly compression ignition engines. The pistons have insulating crowns and include a crown having a cap thereon, extending over the crown surface area, the crown cap being composed of an iron-based or a nickel-based alloy and having on the underside thereof ribs which are encast into an aluminium alloy which forms the piston body. The crown cap further includes a ceramic insert encapsulated therein. The ceramic insert may also be leached out by chemical means to leave a void in the cap.
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AE PLC
Hinds William R.
Kapsalas George
Price Carl D.
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