Flexure two shell with separate axial, six component balance

Details Flexure two shell with separate axial, six component balance Flexure two shell with separate axial, six component balance

1991-11-19

1993-04-13

Woodiel, Donald O.

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

73862044, 73862045, 338 2, G01M 900

Patent

active

052012182

ABSTRACT:
An improved wind tunnel six component balance having an outer shell assembly that receives a tubular inner rod and an axial member that is received within the interior of the tubular inner rod. The forward and aft ends of the outer shell assembly are connected to the inner rod. The loads imposed on the forward and aft ends of the outer shell assembly are transferred to the inner rod and into the tunnel support system. The central annular section of the outer shell assembly is connected to the axial adapters (four each and into the central disk of the axial member. The principal areas of the axial element are the central disk member, the flexures (two sets forward and two sets aft), the forward and aft gauged sections, and the forward and aft disk members. Normal force, side force, and rolling moment are carried by the outer forward webs of the outer shell assembly. The axial member will transfer the majority of the axial force then the forward and aft outer shell webs. The central disk member transfers the axial force induced by the axial adapters to the forward and aft flexures into the forward and aft gauged sections and finally to the forward and aft disk members which transfers the axial force to the tunnel support system. A plurality of strain gauges are mounted on the respective gauged sections of the axial member and also on the connecting webs of the outer shell assembly.

REFERENCES:
patent: 2918816 (1959-12-01), Ormond
patent: 3100990 (1963-08-01), Dimeff
patent: 3878713 (1975-04-01), Mole
patent: 4074567 (1978-02-01), Horanoff
patent: 4938059 (1990-07-01), Faucher et al.

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