G - Physics – 01 – P
Patent
G - Physics
01
P
73/172, 73/42
G01P 1/00 (2006.01) G01P 1/02 (2006.01)
Patent
CA 1274103
MOUNTING SYSTEM FOR PRECISION TRANSDUCER Abstract Most prior mounting systems for accelerometers have been noncompliant and have therefore resulted in stress being applied to the trans- ducer due to differential thermal expansion. This limitation is overcome by the mounting system of the present invention that is adapted to support a precision transducer (14) in spaced alignment with a supporting case (12). The mounting system comprises a plurality of mounting means (30), each mounting means having a first end (34), a second end (32) and a resilient intermediate por- tion (36). The first end is connected to the transducer, and the second end is connected to the case. The first ends of adjacent mounting means are preferably joined to one Another by bridge sections (38) to form a continuous mounting ring (16), and the second ends of adjacent mounting means are preferably separated by gaps (56). At least the first ends and bridge sections are composedof a substance that has a coefficient of thermal expansion approximately equal to the coefficient of thermal expansion of the transducer. Each intermediate portion is adapted to provide a low resistance to relative movement between the transducer and case in a radial direction, and a high resistance to relative movement in other directions. The mounting system therefore securely mounts the transducer against rotation and overall translation, while being compliant with respect to differential thermal expansion.
496337
Norling Brian L.
Riches Mckenzie & Herbert Llp
Sundstrand Data Control Inc.
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