Wave cam type compressor

Details Wave cam type compressor Wave cam type compressor

1995-06-07

1997-02-11

Freay, Charles G.

Pumps

Three or more cylinders arranged in parallel, radial, or...

92 71, 74 56, F04B 112

Patent

active

056014163

ABSTRACT:
A wave cam type compressor is described. Cylindroid blocks are provided to support a drive shaft and to contain a plurality of cylinder bores centered around the drive shaft. A wave cam attached to the drive shaft has cam surfaces on the front side and the rear side. The cam surfaces are composed of convex surfaces only. Pistons in the cylindroid blocks are operated by the wave cam through shoes. Each shoe has a spherical surface and a flat surface. The spherical surface is fitted in a recess formed on the piston, while the flat surface makes line contact with the cam surface of the wave cam. The shoes move relative to the wave cam on a predetermined circular path on the cam surfaces. The rotation of the wave cam together with the drive shaft is converted to reciprocating motions of the pistons in the cylinder bores with the aid of the shoes and wave cam, thus achieving compression of a fluid supplied to the cylinder bores.

REFERENCES:
patent: 2176300 (1937-12-01), Fette
patent: 4756239 (1988-07-01), Hattori et al.
patent: 5452647 (1995-09-01), Murakami et al.

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