Measuring and testing – Wind tunnel: aerodynamic wing and propeller study
Patent
1986-07-22
1987-10-20
Woodiel, Donald O.
Measuring and testing
Wind tunnel: aerodynamic wing and propeller study
7386204, 177DIG9, G01L 516, G01M 900
Patent
active
047005661
ABSTRACT:
A device for dividing vector forces into their X- and/or Y- and Z-components comprising a main body having a flat upper surface inclined to the horizontal; a wedge having a bottom surface inclined to the horizontal engaging essentially friction-free the upper surface of the main body, and a flat horizontal upper surface; at least one first force measuring element acting in a direction of the wedge action and being provided in a fixed relationship to the main body; an upper element having a flat bottom side bearing essentially friction-free in horizontal directions on the horizontal upper surface of the wedge and receiving a vector force to be measured; and at least one second force measuring element each acting in the at least one of the X- and Y-direction, limiting any movement of the upper element and being arranged in fixed relationship to the main body.
REFERENCES:
patent: 4112752 (1978-09-01), Hafner et al.
patent: 4466297 (1984-08-01), Hafner
patent: 4480707 (1984-11-01), Hafner
patent: 4644802 (1987-02-01), Hafner
Pfister GmbH
Woodiel Donald O.
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