Seat cushion pressure sensing system and method

Details Seat cushion pressure sensing system and method Seat cushion pressure sensing system and method

1997-11-18

2000-03-28

Raevis, Robert

Measuring and testing

Fluid pressure gauge

Combined

G01L 702

Patent

active

060416580

ABSTRACT:
A method and system for sensing pressure in a seat cushion are embodied in a pressure sensing system including a bag positioned within the seat cushion and a pressure sensor which is mounted to an outer surface of the bag. The bag is filled with a fluid and includes a plurality of fluidically connected sections formed to restrict a flow of fluid between the sections. The pressure sensor includes a diaphragm and is mounted to the bag with the diaphragm being positioned against the outer surface of the bag such that the pressure sensor provides an indication of a pressure of the fluid in response to movements of the outer surface toward the diaphragm.

REFERENCES:
patent: 4179939 (1979-12-01), Price
patent: 4194401 (1980-03-01), Claassen et al.
patent: 4741214 (1988-05-01), Vidmantas
patent: 5024099 (1991-06-01), Lee
patent: 5357804 (1994-10-01), Wesemann et al.

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