Apparatus and method for measuring both suspension displacement

Details Apparatus and method for measuring both suspension displacement Apparatus and method for measuring both suspension displacement

1996-08-28

1998-12-08

Biegel, Ronald L.

Measuring and testing

Dynamometers

Responsive to force

73862627, 73862632, 177137, G01L 500

Patent

active

058472908

ABSTRACT:
An apparatus and a method for measuring both a suspension displacement and a spring force in a vehicle simultaneously measure a suspension displacement and a suspension spring force by attaching a strain gage to a suspension spring. The apparatus for measuring both a suspension displacement and a spring force in a vehicle includes: first to fourth strain gages whose resistance values are varied when a strain is applied thereto; a suspension spring for varying resistances of said strain gages attached thereto; and Wheatstone bridge circuit having a first resistor to fourth resistor, for measuring the suspension displacement and the spring force by using an output voltage to an input voltage which is varied according to a resistance variation outputted from said strain gages.

REFERENCES:
patent: 2582886 (1952-01-01), Ruge
patent: 2813709 (1957-11-01), Brier
patent: 4215454 (1980-08-01), Hagedorn et al.
patent: 4800751 (1989-01-01), Kobayashi et al.
patent: 5127277 (1992-07-01), Forrester et al.
patent: 5327791 (1994-07-01), Walker

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