Compound helicopter

• US 3,105,659 A
• Filed: 03/30/1962
• Issued: 10/01/1963
• Est. Priority Date: 03/30/1962
• Status: Expired due to Term

• Current Assignee: Richard G. Stutz
• Original Assignee: Richard G. Stutz
• Inventors: Stutz, Richard G.
• Application Number:
  US04/183,970
• Time in Patent Office: 550 Days
• US Class Current: 244/7.00R
• CPC Class Codes: B64C 27/26 characterised by provision of fixed wings
• CPC Class Codes: B64C 27/32 Rotors

Claims

7. IN A COMPOUND AIRCRAFT HAVING A HELICOPTER MODE OF OPERATION AND AN AIRPLANE MODE OF OPERATION, (A) A FUSELAGE, (B) A ROTOR MOUNTED THEREON, (C) SAID ROTOR HAVING BLADES, (D) MEANS FOR ROTATING SAID ROTOR AT A FIRST PREDETERMINED R.P.M. DURING HELICOPTER MODE OF OPERATION, (E) AND AUTOMATIC MEANS FOR MAINTAINING SAID ROTOR AT A SECOND PREDETERMINED R.P.M. DURING AIRPLANE MODE OF OPERATION, (F) SAID AUTOMATIC MEANS INCLUDING MEANS FOR CHANGING THE PITCH OF SAID BLADES CYCLICALLY.