Pumps – Expansible chamber type – Oscillating pumping member
Patent
1976-10-13
1977-11-29
Croyle, Carlton R.
Pumps
Expansible chamber type
Oscillating pumping member
417900, F04C 2100, F04B 1502
Patent
active
040603490
ABSTRACT:
The invention relates to a continuous flow meat pump which is in the form of a hollow cylindrical chamber enclosed by a top wall, a bottom wall and a side wall. There is an inlet opening in the top wall and an outlet opening in the side wall, and a movable blocking means is disposed over the inlet opening and can be moved to block, alternately, a first portion or a second portion of the inlet opening. A V-shaped wall is included in the chamber to define a V-shaped chamber portion, and the V-shaped chamber portion is disposed underneath the inlet opening. Openings extend through each of the legs of the V-shaped wall, and flap means, freely movable from one leg to another, are included between the legs in the V-shaped chamber portion. The flap means will cover the opening in one leg at any one time. A vane is disposed in the chamber outside of the V-shaped chamber portion and is movable from the outside surface of one leg to the outside surface of the other leg and back again. A vacuum is drawn behind the vane in the direction of travel of the vane. In one stroke of the operation, meat is fed into the chamber between the vane and the leg which the vane is moving away from. When the motion of the vane is reversed, the vane will now be pushing against the meat which had previously been fed into the chamber to push it out through the opening in the leg which the vane is approaching. At the same time, meat will be inserted in that portion of the chamber between the vane and the leg that the vane is moving away from. Thus, in any one stroke, meat is both being fed into the chamber and expelled from the chamber at the same time so that the pumping action is continuous.
REFERENCES:
patent: 41091 (1864-01-01), Reid
patent: 1404116 (1922-01-01), Hafkesbrink
patent: 3807908 (1974-04-01), Rossi
patent: 3909160 (1975-09-01), Sherrod
Croyle Carlton R.
L. P. Machinery Ltd.
Ross Thomas I.
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