Cyclone type nozzle high-pressure blowing circuit breakers with groove

Cyclone type nozzle high-pressure blowing circuit breakers with groove

  • CN 101,162,663 A
  • Filed: 10/22/2007
  • Published: 04/16/2008
  • Est. Priority Date: 10/22/2007
  • Status: Active Application
First Claim
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1. the cyclone type nozzle high-pressure blowing circuit breakers that has groove, include piston, pneumatic cylinder, moving main contact, moving arcing contact, quiet main contact, quiet arc contact, moving arcing contact outer cover and spout, it is characterized in that in the airflow pipeline of forming jointly by spout and moving arcing contact outer cover, or evenly arrange spiral groove vertically at the spout inner surface, or cover outer surface is evenly arranged spiral groove vertically outside moving arcing contact, or simultaneously spout inner surface and moving arcing contact outside cover outer surface evenly arrange spiral groove vertically, the gas area is revolved in formation.

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