Rotary piston compressor

Details Rotary piston compressor Rotary piston compressor

1982-09-30

1984-12-11

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

F04C 1822

Patent

active

044875614

ABSTRACT:
A rotary piston compressor with a dual-arc trochoidal casing surface runway or path. The corners of a piston having three flanks or sides and rotating on an eccentric of an eccentric shaft are provided with radial sealing strips which are in continuous sliding contact with the runway. Overflow or transfer recesses are provided in a housing via which the already closed-off following or trailing working chamber, which is created in the region of the dead center position, is connected briefly with the preceding compression chamber. The leading corners of each of three flanks of the piston are bevelled or chamfered radially inwardly and toward the grooves of the radial sealing strips. The leading corners of each of the three flanks of the piston are cut off in planes which intersect in a straight line that lies in the radial central plane of the piston externally of the piston, and at right angles to a straight line which extends in the radial central plane of the piston through the axis of rotation of the piston, and through the sealing strip, which passes through the planes.

REFERENCES:
patent: 3185387 (1965-05-01), Paschke
patent: 3405695 (1968-10-01), Jones et al.
patent: 4150926 (1979-04-01), Eiermann

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