Method of manufacturing a pump with a modular cam profile liner

Details Method of manufacturing a pump with a modular cam profile liner Method of manufacturing a pump with a modular cam profile liner

1994-02-28

1995-04-04

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

2988802, 29463, B23P 1500

Patent

active

054025699

ABSTRACT:
An improved method for manufacturing a sophisticated cam profile liner used in pumps and compressors. A non-circular cam profile liner is fabricated from multiple parts, preferably two identical cam liner halves mated together. Each cam profile liner half is generally crescent-shaped, and is manufactured from a single mold using conventional molding techniques. Window openings are formed in the cam profile liner without the need for hand-placing inserts in the mold. Further, no taper is formed in the cam profile liner. Accordingly, the present invention is suitable for use in precision sliding vane pumps, as well as flexible and roller-type pumps. Since each cam profile liner half is identical to the other, a symmetrical cam chamber is defined by the cam profile liner.

REFERENCES:
patent: 4466785 (1984-08-01), Biswas
patent: 4782569 (1988-11-01), Wood
patent: 5040946 (1991-08-01), Caoduro

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