Curved spiral pump

Details Curved spiral pump Curved spiral pump

1978-06-05

1980-08-26

Vrablik, John J.

Rotary expansible chamber devices

Non-metallic working member, cylinder or partition

Resilient

418220, 415 72, F01C 502, F01C 2108, F04C 500, F04C 2900

Patent

active

042193168

ABSTRACT:
A pumping or compressing geometry is being disclosed. Several turns of deformable spiral are fitted in a curved housing to form line contacts between turns of the spiral by allowing it to bend. These line contacts separate the inlet and the outlet ports in a pump or form the compressing chamber in a compressor.

REFERENCES:
patent: 1711193 (1929-04-01), Wunderlich
patent: 2045757 (1936-06-01), Constantin
patent: 2505125 (1950-04-01), List
patent: 2695694 (1954-11-01), Seinfeld
patent: 3307683 (1967-03-01), Pleasants
patent: 3360108 (1967-12-01), Voss
patent: 3951576 (1976-04-01), Lofquist, Jr.

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