Rotary expansible chamber devices – Interconnected abutments
Patent
1996-10-08
1998-01-13
Vrablik, John J.
Rotary expansible chamber devices
Interconnected abutments
418247, F04C 200
Patent
active
057072248
ABSTRACT:
A liquid pump comprises generally a base, an annular ring including a pair of ingresses and a pair of egresses alternately formed on opposing circumferential walls aside a pair of rectangular recesses therebetween and defining a fluid channel between the base and itself, first and second swivel disks including a rotary plunger and a pushing rod on their under sides and rotating inversely inside the pump. An elongate slider sliding to and fro in a rectangular groove coactes with the rotary plunger for repeatedly changing the vacuum circumstances in the channel to synchronously suck and discharge the liquid material from one container to another.
REFERENCES:
patent: 619434 (1899-02-01), Phifer
patent: 4451214 (1984-05-01), Kagamiyama
patent: 5350287 (1994-09-01), Secord
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