Food pump

Details Food pump Food pump

1994-09-02

1995-11-07

Nguyen, Khanh P.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Feed control of material en route to shaping area

264 407, 4253823, 425447, 425DIG228, 426512, B29C 4792, A22C 700

Patent

active

054643384

ABSTRACT:
A twin-piston food pump includes a hydraulic cylinder coupled with each piston for driving the pistons and a linear transducer coupled with each cylinder for determining the positions thereof. Control circuitry coupled with the transducers determines the velocity of the cylinders and thereby the pistons and controls the application of hydraulic fluid through the cylinders to maintain a constant food product flow rate.

REFERENCES:
patent: 4097962 (1978-07-01), Alley et al.
patent: 4700899 (1987-10-01), Powers et al.
patent: 4735564 (1988-04-01), Sasaki et al.
patent: 4806089 (1989-02-01), Neko
patent: 4846651 (1989-07-01), Matsuda et al.
patent: 4850839 (1989-07-01), Cowley et al.
patent: 4954301 (1990-09-01), Saeki et al.
patent: 5102587 (1992-04-01), Kumamura et al.
patent: 5232764 (1993-08-01), Kohno et al.
Balluff, Inc. Brochure re BTL Linear Displacement Transducer Analog Series A, B, C, E, Digital and Series P, Catalog No. 507E, Edition 9001.
Hydro-Line Manufacturing Company Brochure, Jul. 1990, Linear Actuator Sensing and Feedback Systems.

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