Centrifugal pumps

Centrifugal pumps

CN
  • CN 1,270,280 A
  • Filed: 03/28/2000
  • Published: 10/18/2000
  • Est. Priority Date: 03/31/1999
  • Status: Abandoned Application
First Claim
Patent Images

1. centrifugal pumping apparatus, the one flow switch is arranged in the flow channel of the transmission fluid in the pump case, and basically by an electromagentic switching apparatus and one or two arm, the bar of installing that pivots is formed, one arm of this bar stretches in this flow channel, another arm is equipped with a magnet, this magnet is that contactless excitation is connected with this switch gear, wherein, this switch gear is arranged in the terminal box that is installed on this device housings, wherein, the part that this bar of this magnet is housed is at least surrounded by a switch case, and this switch case seals airtightly to the outside, and separate, and be located at the contiguous place of this terminal box with this terminal box.

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