Measuring and testing – Speed – velocity – or acceleration – Structural installation or mounting means
Patent
1992-05-29
1993-08-24
Williams, Hezron E.
Measuring and testing
Speed, velocity, or acceleration
Structural installation or mounting means
73496, 73430, 248562, 248603, 248636, G01P 102
Patent
active
052378713
ABSTRACT:
The present invention features a vibration attenuation assembly designed for the protection of single axis instruments such as accelerometers. The assembly includes an inner cylinder housing one or more single axis accelerometers co-aligned with a principle axis of the cylinder. The inner cylinder is suspended by three or more equally spaced springs at each end. The springs also function as electrical conductors for transmitting power and signals to the accelerometer. The inner cylinder is longitudinally shiftable within the outer cylinder and a main fluid cavity exists between the exterior surface of the inner cylinder and the inner surface of the outer cylinder. A rigid outer cap is provided at both ends of the outer cylinder and a rigid inner cap is provided at both ends of the inner cylinder. A damping fluid end cavity is provided between an end cap of the inner cylinder and an adjacent end cap of the outer cylinder and at least one longitudinally extending vent passageway, formed either on the inner or outer cylinder, opens into the damping fluid end cavity. The vent passageway or passageways extend the longitudinal length of the inner cylinder when they are integrally formed with the inner cylinder.
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Henderson Frederick H.
Whitehead Roy D.
Finley Rose M.
Teledyne Industries Incorporated
Williams Hezron E.
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