Cooled ring carrier assembly

Details Cooled ring carrier assembly Cooled ring carrier assembly

1998-11-06

2000-08-22

Wolfe, Willis R.

Internal-combustion engines

Cooling

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

F02F 318

Patent

active

061055409

ABSTRACT:
A cooled ring carrier assembly for the piston of an internal combustion engine, comprising a metal-sheet cooling duct welded to a ring carrier. The cooling duct is press-fit into the inwardly-pointing surfaces of the ring carrier prior to welding. The angle between the inwardly pointing surface of the ring carrier, to which surface metal-sheet cooling duct is welded, and the metal-sheet cooling duct is smaller than 45.degree.. This allows the cooling duct to be press fit into the ring carrier rather than being shrunk in by temperature differences between the ring carrier and cooling duct.

REFERENCES:
patent: 4067307 (1978-01-01), Hofle et al.
patent: 4120081 (1978-10-01), Rosch et al.
patent: 4907545 (1990-03-01), Mills
patent: 5771776 (1998-06-01), Itoh
patent: 5947065 (1999-09-01), Bing et al.

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