2557127

Information

• Patent Grant
• 2557127

• References
• Source

• Patent Number

  2,557,127

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1951
  73 years ago

• CPC

  • B64C27/10 - arranged coaxially
  • B64C11/30 - Blade pitch-changing mechanisms
  • B64C27/18 - the means being jet-reaction apparatus
  • B64C27/26 - characterised by provision of fixed wings
  • B64C27/28 - with forward-propulsion propellers pivotable to act as lifting rotors
  • B64D27/023 - of rocket type
  • F02K7/005 - the engine comprising a rotor rotating under the actions of jets issuing from this rotor
  • G01N23/16 - the material being a moving sheet or a sheet or tube examined by a scanning probe
  • B64D2700/62736 - jet propulsion
  • B64D2700/62745 - combined with propellers
  • Y02T50/671 - Measures to reduce the propulsor weight

• US Classifications

  • 416 - Fluid reaction surfaces