Screw propeller device and aircraft

Screw propeller device and aircraft

  • CN 104,401,488 A
  • Filed: 11/17/2014
  • Published: 03/11/2015
  • Est. Priority Date: 11/17/2014
  • Status: Active Application
First Claim
Patent Images

1. a propeller arrangement, comprise the screw propeller be made up of multiple blade, it is characterized in that, be provided with outer fluid passage and internal layer fluid passage in blade housing successively, outer fluid passage and internal layer fluid passage communicate with the outside of blade housing respectively by respective multiple vent.

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