Liquid purification or separation – Structural installation – Closed circulating system
Patent
1984-02-10
1985-05-28
Fisher, Richard V.
Liquid purification or separation
Structural installation
Closed circulating system
210173, 210174, 210DIG8, 99408, B01D 3500
Patent
active
045199043
ABSTRACT:
A food chopper pump is connected by a conduit to an outlet opening at the bottom of a frying well which contains cooking oil used in the frying of various foods. The chopper pump contains a motor-driven rotor having a plurality of radially movable vanes spaced about the periphery which chop large food particles entering the chopper pump from the frying well. The rotor is mounted eccentrically, whereby the vanes are movable radially inwardly to prevent large food particles from stopping the motor in one portion of the pump yet which provides a sealing effect when moving through another portion of the chopper pump. The comminuted food particles and oil pass through a coarse filter which removes most of the food particles from the oil before passing through a fine filter which removes any smaller remaining food particles, after which the filtered oil is returned to the frying well. A valved bypass line enables the system to continue to operate during the replacement of the filters. The motor shaft is separated by a thermal barrier from the chopper pump to reduce the transfer of heat from the hot oil in the chopper pump to the motor.
REFERENCES:
patent: 2639096 (1953-05-01), Hinerfeld
patent: 2903197 (1959-09-01), Willems
patent: 3280722 (1966-10-01), Rahauser
patent: 3524487 (1970-08-01), Paoli
patent: 3667374 (1972-06-01), Holmes
patent: 3685433 (1972-08-01), Cunningham
patent: 3968741 (1976-07-01), Hunt
patent: 3977973 (1976-08-01), Anderson
patent: 4428534 (1984-01-01), Maijala et al.
Cohen Sharon T.
Fisher Richard V.
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