Rotor assembly

• US 3,165,294 A
• Filed: 12/28/1962
• Issued: 01/12/1965
• Est. Priority Date: 12/28/1962
• Status: Expired due to Term

• Current Assignee: Bernard J. Anderson
• Original Assignee: Bernard J. Anderson
• Inventors: Anderson, Bernard J.
• Application Number:
  US04/248,038
• Time in Patent Office: 746 Days
• US Class Current: 416/220.00R
• CPC Class Codes: F01D 5/06 Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections F01D5/022, F01D5/023 take precedence
• CPC Class Codes: F01D 5/3038 the slot having inwardly directed abutment faces on both sides
• CPC Class Codes: Y02T 50/60 Efficient propulsion technologies, e.g. for aircraft

Claims

1. A BLADED ROTOR ASSEMBLY FOR AN AXIAL FLUID FLOW MACHINE COMPRISING A GENERALLY CYLINDRICAL BLADE HOLDING MEMBER, SAID BLADE HOLDING MEMBER HAVING CIRCUMFERERTIALLY CONTINUOUS WALLS DEFINING AT LEAST ONE CIRCUMFERENTIALLY EXTENDING DOVETAIL SHAPED SLOT IN THE PERIPHERY THEREOF, A PLURALITY OF BLADES ALL HAVING IDENTICALLY SHAPED DOVETAIL ROOTS SLIDABLY RECEIVED IN SAID SLOT, SAID BLADE ROOTS CIRCUMFERENTIALLY FILLING SAID SLOT WITH ADJACENT ROOTS IN ABUTTING RELATIONSHIP, THE DOVETAIL SHAPES OF SAID SLOT AND SAID BLADE ROOTS BEING SUCH THAT THE ROOTS ARE RESTRAINED AGAINST RADIAL MOVEMENT WITH RESPECT TO SAID BLADE HOLDING MEMBER, A LOADING RECESS IN THE RADIALLY INWARD SURFACE OF THE SLOT, A SELECTED ONE OF SAID BLADE ROOTS POSITIONED IN SAID SLOT RADIALLY OUTWARD OF SAID LOADING RECESS, AND LOCKING MEANS ENGAGING THE RADIALLY INWARD PORTION OF SAID SELECTED BLADE ROOT TO MAINTAIN SAID SELECTED BLADE ROOT IN SAID SLOT AND TO PREVENT CIRCUMFERENTIAL MOVEMENT OF SAID PLURALITY OF BLADE ROOTS IN SAID SLOT.