Dispensing – With recorder – register – indicator – signal or exhibitor – Audible
Patent
1981-07-13
1984-04-03
Reeves, Robert B.
Dispensing
With recorder, register, indicator, signal or exhibitor
Audible
137 99, 13710119, 13710131, 222 55, 222 61, 222134, 222135, 366160, B67D 532, B67D 552, G01F 500, G05D 1100
Patent
active
044403143
ABSTRACT:
In order to increase the dosing precision it is proposed to control the flow of the main component and thereby the measured flow of the main component is used as a variable desired value, and with the control of the flow of the secondary component the control value (the actual value) of the flow of the main component is used for determining or defining the desired value of the flow of the secondary component (which latter-mentioned value is proportional to this control value); as well as to use for this purpose a geared pump (P.sub.8) for the feeding of the main component to a servo controlled member or system (the geared pump being arranged between a pressure vessel (D.sub.S) and a measuring transducer (12)), an electrical machine M.sub.8, which is operable as a motor and drives the pump (P.sub.8) for the main component, which with the electrical machine M.sub.8 which is associated with it forms a regulating element, an electronic four-quadrant controller (16) for the machine (M.sub.8) which is coordinated to the main component and two tacho-generators (T.sub.8, T.sub.10) which are coupled with respectively each one of the two electrical machines (M.sub.8, M.sub.10). The method and apparatus are provided for the principal use with the mixing of a hardener of a two-component lacquer with its mother lacquer.
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Schweiker Werner
Vetter Kurt
Farber Martin A.
Reeves Robert B.
Wacyra Edward M.
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