Elastic fluid apparatus

• US 3,275,294 A
• Filed: 11/14/1963
• Issued: 09/27/1966
• Est. Priority Date: 11/14/1963
• Status: Expired due to Term

• Current Assignee: Augustine J. Scalzo, James M. Allen
• Original Assignee: Augustine J. Scalzo, James M. Allen
• Inventors: Allen, James M., Scalzo, Augustine J.
• Application Number:
  US04/323,737
• Time in Patent Office: 1,048 Days
• US Class Current: 415/115
• CPC Class Codes: F01D 5/081 Cooling fluid being directed on the side of the rotor disc or at the roots of the blades F01D5/087 takes precedence
• CPC Class Codes: F01D 9/041 using blades F01D5/148 takes precedence

Claims

1. A BLADED DIAPHRAGM STRUCTURE FOR AN AXIAL FLOW ELASTIC FLUID UTILIZING MACHINE, COMPRISING AN ANNULAR ROW OF RADIALLY EXTENDING BLADES, SAID BLADES HAVING A VANE PORTION, A RADIALLY OUTERMOST TIP PORTION AND A RADIALLY INNERMOST BASE PORTION, AN ANNULAR SHROUD STRUCTURE COOPERATIVELY ASSOCIATED WITH SAID PORTIONS FOR SUPPORTING SAID BLADES, SAID BASE PORTIONS BEING SIMILARLY SHAPED AND HAVING COMPLEMENTARY INTERLOCKING PORTIONS, AND AN ANNULAR BAND IN THE FORM OF A RELATIVELY THIN STRIP RIGIDLY CONNECTED TO EACH OF SAID BASE PORTIONS AND MAINTAINING SAID BASE PORTIONS IN FRICTIONALLY INTERLOCKING RELATION WITH EACH OTHER, SAID BAND BEING OF SUFFICIENT FLEXIBILITY TO PERMIT RADIAL EXPANSION AN D BENDING OF SAID BLADES IN CIRCUMFERENTIAL DIRECTION AND TO EFFECT VIBRATION DAMPING OF SAID BLADES.