As cast and trimmed bores in a front head member of an air...

Details As cast and trimmed bores in a front head member of an air... As cast and trimmed bores in a front head member of an air...

2006-05-30

2006-05-30

Kerns, Kevin (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S132000

Reexamination Certificate

active

07051785

ABSTRACT:
The subject invention provides a method of manufacturing an air conditioning compressor assembly for a vehicle having a front head member. A forming die having a cover half and an ejector half is shaped to define the features of the front head member. A conventional casting process is used to form the front head member. The front head member is cast to include a plurality of sealing surfaces, each concentric with a bore. A fastener passes through the bore to secure the front head member to the compressor housing such that a head portion of the fastener is in sealing engagement with the sealing surface as cast into the front head member to provide a pressure tight seal therebetween.

REFERENCES:
patent: 4790727 (1988-12-01), Steele
patent: 5878488 (1999-03-01), Muirhead
patent: 2001065457 (2001-05-01), None

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