Low profile hydraulic seat weight sensor

Details Low profile hydraulic seat weight sensor Low profile hydraulic seat weight sensor

1998-01-07

1999-11-16

Dickson, Paul N.

Land vehicles

Wheeled

Attachment

2972172, 340667, B60R 2132

Patent

active

059843497

ABSTRACT:
A hydrostatic weight sensor comprises one or more fluid containing bladders in fluid communication with one another and with a pressure sensor, each constructed from a plurality of sheets of semi-rigid material sealably connected at the periphery thereof so as to form one or more enclosed volumes, and filled with a fluid so as to cause deformation of the bladder faces. The hydrostatic weight sensor is located within the seat, and the pressure of the fluid contained therein is responsive to the applied load. In another embodiment, a plurality of sheets of semi-rigid material are sealed at a periphery and are secured to one another at a plurality of locations within the periphery so as to create a plurality of fluid containing zones which can hinge with respect to one another. The sensing fluid is either a liquid, a Bingham plastic, or a thixotropic material.

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patent: 5430275 (1995-07-01), Braunisch
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