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Patent Searching and Data


Title:
計量ポンプの電動モータを駆動制御する方法
Document Type and Number:
Japanese Patent JP4171299
Kind Code:
B2
Abstract:
The methods serves for activating an electric motor of a metering pump with which the fluid quantity (Vnom) to be delivered is set by an external impulse trigger, wherein a predetermined delivery quantity (Vnom) is allocated to each impulse (t). The control detects the temporal interval (Deltat) of the two last-received impulses and activates the electric motor such that the fluid quantity to be delivered, taking the previously evaluated interval as a basis, is distributed over the subsequent impulse interval.

Inventors:
Curu Sorgoa
Bokler Jerun
Application Number:
JP2002509650A
Publication Date:
October 22, 2008
Filing Date:
July 11, 2001
Export Citation:
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Assignee:
Brunfoss-/S
International Classes:
F04B49/00; F04B13/00; F04B49/06; G01F11/02; G01F13/00
Domestic Patent References:
JP60196819A
JP57020589U
Foreign References:
US4767279
US4124146
DE19623537A1
Attorney, Agent or Firm:
Kiyoji Sawa