Piston for an internal combustion engine

Details Piston for an internal combustion engine Piston for an internal combustion engine

2005-11-28

2009-10-13

Lazo, Thomas E (Department: 3745)

Expansible chamber devices

Piston

With ported chamber in piston part for circulating heat...

C092S216000

Reexamination Certificate

active

07600465

ABSTRACT:
Disclosed is a piston (1) for a combustion engine, comprising an annular grooved reinforcement (4) that is screwed onto an externally threaded (13) collar (12) located in the piston head area via an internal thread (19) which is mounted on the inside of the grooved reinforcement (4). The grooved reinforcement (4) blocks a recess (14) so as to form an annular, closed cooling duct (21). In order to provide the screwed connection between the collar (12) and the grooved reinforcement (4) with sufficient stability, a radially outward area of the collar (12) is equipped with a bend that points towards the hub. Furthermore, the collar (12) is embodied in an elastically resilient manner so as to bend in the direction of the piston head when the grooved reinforcement is screwed in, thus prestressing the screwed connection.

REFERENCES:
patent: 4375782 (1983-03-01), Schieber
patent: 4488522 (1984-12-01), Jones
patent: 6003479 (1999-12-01), Evans
patent: 7308850 (2007-12-01), Scharp
patent: 2006/0243131 (2006-11-01), Scharp
patent: 722 1644 (1972-08-01), None
patent: 123 962 (1977-01-01), None
patent: 27 36 815 (1978-03-01), None
patent: 29 14 456 (1980-10-01), None
patent: 29 16 441 (1980-11-01), None
patent: 32 31 998 (1983-03-01), None
patent: 37 19 469 (1988-12-01), None
patent: 103 49 291 (2005-04-01), None
patent: 0 178 747 (1986-04-01), None
International Search Report.

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