System and method for controlling butterfat content in standardi

Details System and method for controlling butterfat content in standardi System and method for controlling butterfat content in standardi

1989-05-16

1991-04-23

Dawson, Robert A.

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

99452, 137 93, 210 961, 210745, 356436, 426231, 426491, 364176, A23C 900

Patent

active

050097946

ABSTRACT:
System and method for controlling the content of a fluid product such as milk. The entire product stream is monitored continuously with an optical density meter, and the a signal corresponding to actual content of the stream is compared with the desired content. A correction signal which varies in accordance with the difference between the actual content signal and the desired content signal is provided, and the content of the product is adjusted in response to the correction signal by an amount which decreases as the content approaches the desired level.

REFERENCES:
patent: 2752815 (1956-07-01), Batchelor
patent: 3932040 (1976-01-01), Warncke
patent: 4017643 (1977-04-01), Lester
patent: 4144804 (1979-03-01), O'Keefe et al.
patent: 4145450 (1979-03-01), Winder et al.
patent: 4330828 (1982-05-01), Smith et al.
patent: 4544274 (1985-10-01), Cremers et al.

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