Measuring and testing – Dynamometers – Responsive to force
Patent
1993-04-27
1996-03-12
Chilcot, Richard
Measuring and testing
Dynamometers
Responsive to force
7386257, G01L 500
Patent
active
054976693
ABSTRACT:
Force measuring device including a rigid, piston-type inner element (2) and a rigid, cylindrical outer element (4) having an interior conture complementary to the peripheral surfaces of the inner element (2); a narrow annular gap (3, 3a, 3b) between surfaces of the inner and outer elements facing each other; elastomeric, essential bubblefree material (5) provided in annular gap (3, 3a, 3b) and fixedly adhering to the contact surfaces; a ring space (6) formed between the inner and outer elements (2, 4) and filled with the elastomeric material (5) as well; and at least one pressure sensor (9) being in pressure transmission contact to the elastomeric material (5) in ring space (6), characterized in that the pressure sensor (9) is arranged eccentrically in respect of the central axis (10) and is designed for detecting both axial force components (A) and radial force components (B) acting at a force introduction position (11) and thereby forming a moment rotational pole (M) on the central axis ( 10).
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Biegel Ronald L.
Chilcot Richard
Linden Gerald E.
Pfister Messtechnik GmbH
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