| US 7,597,612 B2 | ||
| Device and method of closed-loop level control and for the controlled evacuation of paste masses | ||
| Bernd Maile, Oggelshausen (Germany); and Martin Staudenrausch, Biberach (Germany) | ||
| Assigned to Albert H. Handtmann Maschinenfabrik GmbH & Co. KG, Biberach (Germany) | ||
| Filed on Feb. 23, 2007, as Appl. No. 11/710,113. | ||
| Claims priority of application No. 06004867 (EP), filed on Mar. 09, 2006. | ||
| Prior Publication US 2007/0254570 A1, Nov. 01, 2007 | ||
| Int. Cl. A22C 11/00 (2006.01) | ||
| U.S. Cl. 452—30 | 27 Claims |
| 1. Vacuum hopper for sausage production comprising
an inlet for feeding paste mass to the hopper;
an outlet for ejecting the paste mass; and
an inlet valve, which is arranged at the inlet, wherein a negative pressure can be produced in the vacuum hopper; and wherein,
in an open state, the inlet valve forms an inlet gap for the paste mass, and a gap height of the inlet gap in the open state
being closed-loop controlled to influence the degree of evacuation of the paste mass.
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