Displacement machine employing a plurality of intermeshing spira

Details Displacement machine employing a plurality of intermeshing spira Displacement machine employing a plurality of intermeshing spira

1991-06-20

1992-10-13

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 553, 418 554, 418 555, 418 57, 418 59, 418 60, 418178, F01C 104, F01C 1100, F01C 1706, F01C 1908

Patent

active

051545918

ABSTRACT:
A displacement machine for compressible media includes a stationary housing, and a plurality of disks mounted for eccentric movement within the housing. Each of the disks has two symmetrically disposed spiral displacement bodies that are offset from one another by substantially 180.degree. mounted on at least one side thereof so that the spiral displacement bodies move in an orbital fashion within the housing during operation. The disks are positioned with respect to one another such that each of the spiral displacement bodies intermeshes with another spiral distribution body to define pairs of cooperating spiral displacement bodies. The spiral displacement bodies have a curvature that is dimensioned such that opposed surfaces of cooperating spiral displacement bodies substantially contact one another at at least one sealing line that progresses continuously during operation. The cooperating spiral displacement bodies of each pair of cooperating spiral displacement bodies have a different wrap angle so that the spiral displacement body having the greater wrap angle has spiral portions lying radially inwardly and radially outwardly of the cooperating spiral displacement body.

REFERENCES:
patent: 801182 (1905-10-01), Creux
patent: 3989422 (1976-11-01), Guttinger

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