Method for the manufacture of a cooled engine piston head

Details Method for the manufacture of a cooled engine piston head Method for the manufacture of a cooled engine piston head

1991-04-19

1993-07-27

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29888044, 92208, B23P 1510

Patent

active

052301486

ABSTRACT:
A method for the manufacture of a cooled piston head in which the upper and lower portions of the piston head are made separately; a metal plate is placed on the lower side of the upper portion; the upper portion incorporating the metal plate is joined to the lower portion by friction welding. The metal plate is provided with a central hole for the passage of cooling oil onto the undercrown, and means of communication with a closed cooling chamber defined by a circumferential groove on the head upper portion and the peripheral outer surface of the metal plate.

REFERENCES:
patent: 1667202 (1928-04-01), Ford
patent: 2478179 (1949-08-01), Brockmeyer
patent: 3424138 (1969-01-01), Dreisin
patent: 4377967 (1983-03-01), Pelizzoni
patent: 4603617 (1987-08-01), Barth et al.
patent: 4709621 (1987-12-01), Matsui et al.
patent: 4727795 (1987-12-01), Murray et al.
patent: 4847964 (1989-07-01), Adams et al.
patent: 4941397 (1990-07-01), Kawai et al.

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