Balance with one or several wire strain gauge weighing cells

Details Balance with one or several wire strain gauge weighing cells Balance with one or several wire strain gauge weighing cells

1996-03-27

1997-03-11

Chilcot, Richard

Measuring and testing

Dynamometers

Responsive to force

73862621, 73862627, 177210R, G01L 100

Patent

active

056103433

ABSTRACT:
It is suggested for a balance with one or several weighing cells (1-4, 31) with a total of at least eight wire strain gauges (D.sub.1 -D.sub.4, S.sub.1 -S.sub.4), four of which (D.sub.1 -D.sub.4) are expanded under load and four (S.sub.1 -S.sub.4) compressed under load, in which the eight wire strain gauges are connected together circularly in series so as to form a single Wheatstone bridge which is supplied with voltage along a diagonal (12, 13) (vertical diagonal) and the output signal is taken off along the other diagonal (14, 15) (horizontal diagonal) that a signal is additionally tapped off along the upper horizontal chord (16, 17) and along the lower horizontal chord (18, 19). This makes possible a corner-load adjustment for the balance utilizing the additional signals.

REFERENCES:
patent: 4261195 (1981-04-01), Lockery
patent: 4574899 (1986-03-01), Griffen
patent: 4733571 (1988-03-01), Ormond
patent: 5357189 (1994-10-01), Egami
patent: 5369226 (1994-11-01), Griffen et al.

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