Engine block casing and insert member diecast from permanent mol

Details Engine block casing and insert member diecast from permanent mol Engine block casing and insert member diecast from permanent mol

1999-02-05

2000-10-10

Kamen, Noah P.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 4174, 2988801, F02F 110

Patent

active

061290572

ABSTRACT:
An engine block includes a unitary engine block casing having a cylinder wall and an upper peripheral wall spaced from the cylinder wall to define an open channel therebetween. The channel has a bottom formed by a portion of the engine block casing and an open top formed between the cylinder wall and the peripheral wall. An independent insert member is disposed in the open top of the channel extending between the cylinder wall and the peripheral wall for providing structural support between the cylinder wall and the peripheral wall. The invention further includes a method for diecasting the engine block using permanent molds. The steps of the method include: providing a first permanent mold; diecasting a unitary engine block casing in the first permanent mold, the casing including a cylinder wall and an upper peripheral wall spaced from the cylinder wall to define an open channel therebetween, the channel including a bottom formed by a portion of the engine block casing and an open top formed between the cylinder wall and the peripheral wall; providing a second permanent mold; diecasting an independent insert member in the second permanent mold; and fixing the insert member in the open top of the channel for providing structural support between the cylinder wall and the peripheral wall.

REFERENCES:
patent: 4493359 (1985-01-01), Bostater et al.

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