Fan-type fluid transportation and power propulsion propeller

Fan-type fluid transportation and power propulsion propeller

  • CN 100,484,831 C
  • Filed: 07/13/2000
  • Issued: 05/06/2009
  • Est. Priority Date: 07/13/2000
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of screw propeller, wheel hub (2) is arranged, a plurality of blades (3), it is characterized in that blade (3) end of blade has bilateral arc limb (1) or monolateral arc limb (9), described bilateral arc limb (1) or monolateral arc limb (9) are circular arc or involute-type, described circular arc is and the circular arc of screw propeller concentric that this circular arc is identical with screw propeller radius of rotation cylindrical at the appearance profile line of screw propeller axis projection;

  • Described involute-type is and the concentric involute-type of screw propeller.

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