Controllable vacuum source

Details Controllable vacuum source Controllable vacuum source

2011-02-15

2011-02-15

Nguyen, T. (Department: 3644)

Animal husbandry

Milkers

With signals, indicators, registers, and timers

C119S014080, C119S014430

Reexamination Certificate

active

07886692

ABSTRACT:
The present invention relates to a vacuum source for providing vacuum to at least a first vacuum drain through conduits, comprising at least a first and a second vacuum pump. The vacuum source comprises a control system adapted to detect the consumed airflow, and to control the operation of each of the first and second vacuum pump based on the detected airflow.

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US 5,878,691, 03/1999, Ludington et al. (withdrawn)
International Search Report (PCT/ISA/210), Oct. 30, 2006.

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