System for extracting liquids from fruit and the like

Details System for extracting liquids from fruit and the like System for extracting liquids from fruit and the like

1979-10-22

1981-03-03

Feldman, Peter

Presses

Automatic or material triggered control

Of material addition, deposition, or discharging

100 48, 100 70R, 100117, 100139, 100148, 99638, B30B 912, B30B 918

Patent

active

042533902

ABSTRACT:
A system for extracting liquids from fruit, vegetables, or other similar materials with particular application to dejuicing grapes. The system provides a destemmer for receiving picked grapes and for removing stems and leaves therefrom. The destemmer partially crushes the grapes during the destemming operation producing free run juice in the resulting grape must. The must is transferred to a predrainer screw press which separates and collects the free run juice and a preselected portion of the residual juice by means of a gentle pressing action augmented by centrifugal force. The partially dewatered must is then transferred to one or more final screw presses which apply heavy compression to extract the remainder of usable juice from the predrained must. The predrainer press and final presses have throughput control means to provide a continuous feed of grapes through the system for maximum efficiency of juice extraction. The control system may be manually operated, or must volume sensors and must moisture sensors added with control circuits for automatically adjusting the system as the input of grapes to the destemmer varies. The system is adaptable to a wide variety of grapes and other produce for materials by preselection of the variable and controllable operating parameters.

REFERENCES:
patent: 641266 (1900-01-01), Bussells
patent: 2340009 (1944-01-01), Meakin
patent: 3085502 (1963-04-01), Hurtig
patent: 3135193 (1964-06-01), Hunt
patent: 3256807 (1966-06-01), Hunt
patent: 3276353 (1966-10-01), Burner et al.
patent: 4117776 (1978-10-01), Hunt

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