Turbomachine rotor assembly

• US 3,266,770 A
• Filed: 12/22/1961
• Issued: 08/16/1966
• Est. Priority Date: 12/22/1961
• Status: Expired due to Term

• Current Assignee: Jean Harlow Doris
• Original Assignee: Jean Harlow Doris
• Inventors: JEAN HARLOW DORIS
• Application Number:
  US04/161,736
• Time in Patent Office: 1,698 Days
• US Class Current: 416/92
• CPC Class Codes: F01D 11/006 Sealing the gap between rotor blades or blades and rotor
• 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 5/187 Convection cooling
• CPC Class Codes: F01D 5/22 Blade-to-blade connections, e.g. for damping vibrations
• CPC Class Codes: F01D 5/3015 with side plates
• CPC Class Codes: Y02T 50/60 Efficient propulsion technologies, e.g. for aircraft

Claims

1. A ROTOR ASSEMBLY FOR AN AXIAL FLOW TURBOMACHINE, COMPRISING A ROTOR WHEEL, A PLURALITY OF BLADES HAVING SHANK AND VANE PORTIONS WITH A PLATFORM THEREBETWEEN, SAID BLADES POSITIONED TO EXTEND RADIALLY FROM SAID ROTOR WHEEL WITH THE SHANK PORTIONS ATTACHED TO SAID WHEEL AND ADJACENT PLATFORMS, ABUTTING, FIRST AND SECOND BAFFLE PLATES POSITIONED ON THE UPSTREAM AND DOWNSTREAM SIDES OF SAID BLADE SHANKS RESPECTIVELY TO PREVENT THE AXIAL FLOW OF GAS BETWEEN SAID SHANKS, SAID BAFFLE PLATES INCLUDING RADIALLY EXTENDING SLOTS ADJACENT WHERE SAID PLATFORMS ABUT, DAMPER PINS SUPPORTED FROM SAID SLOTS AND CONNECTING SAID PLATES IN A MANNER TO ALLOW LIMITED RADIAL MOVEMENT OF SAID PINS AND HOLD SAID PLATES IN POSITION, SAID DAMPER PINS POSITIONED TO RUB AGAINST THE JOINT FORMED BY ADJACENT BLADE PLATFORMS TO SEAL SAID JOINT SAID BLADES HAVING INTERNAL COOLING FLUID PASSAGES OPENING INTO CHAMBERS FORMED BY THE BLADES SHANKS AND BAFFLE PLATES, AND MEANS TO INTRODUCE COOLING FLUID INTO THESE CHAMBERS FOR CIRCULATION THROUGH SAID BLADES.