Title:
ポンプ用制御システム
Document Type and Number:
Japanese Patent JP5017665
Kind Code:
B2
Abstract:
The present invention relates to pumps comprising variable frequency drive means and methods for operating such pumps. The inventive method for operating a pump (1) comprises the steps of obtaining values of operating parameters of the pump (1) indicating pump conditions, communicating said values of operating parameters from variable frequency drive means (2) to a control device (11), determining if a predetermined condition is fulfilled, communicating instructions from the control device (11) to the variable frequency drive means (2), based on the fulfillment of said predetermined condition. Furthermore, a computer program product loadable into a memory of a digital computer device, including software code portions for performing the inventive method, a pump (1), a pump system and a control device (11) for a pump are described.
Inventors:
Song
Mukkander, Jürgen
Mukkander, Jürgen
Application Number:
JP2008518076A
Publication Date:
September 05, 2012
Filing Date:
June 15, 2006
Export Citation:
Assignee:
Xylem IP Holdings LLC
International Classes:
F04D15/00; F04B49/10
Domestic Patent References:
| JP2001082378A |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Hiroyuki Tomita
Osamu Hoshino
Shogo Nakamura
Yasushi Kobayashi
Hiroyuki Tomita
Osamu Hoshino
Shogo Nakamura