Rotary spiral wall pump with pivotably connected guide means and

Details Rotary spiral wall pump with pivotably connected guide means and Rotary spiral wall pump with pivotably connected guide means and

1983-08-24

1985-07-02

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 59, F04C 204

Patent

active

045265216

ABSTRACT:
A positive displacement rotary pump based on the spiral principle in which the piston is given a complex orbital motion by a crankshaft drive, the piston being also pivoted to a second guide element, this pivot point reciprocating along an open path. The second guide element is constructed to provide compactness and ease of manufacture.

REFERENCES:
patent: 15641 (1856-09-01), Carmichael
patent: 2783714 (1957-03-01), Straatveit
patent: 2841089 (1958-07-01), Jones

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