Communications: electrical – Selective – Having indication or alarm
Patent
1976-06-25
1978-03-07
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340267C, 340285, G08B 2100
Patent
active
040782247
ABSTRACT:
A roll warning system to alert a vehicle operator of the amount of transverse weight shift or roll of the vehicle. The warning system includes a pair of strain sensing units mounted to opposing suspension units of the vehicle, voltage generating circuitry responsive to the strain measuring units, and output circuitry responsive to the voltage generating circuitry for providing the warning indicia to the operator. Each strain sensing unit responds to the distortion induced by the weight of the vehicle in the suspension unit to which the sensing unit is attached by generating a signal representative of such distortion. The voltage generating circuitry receives these distortion representative signals, amplifies their difference, and generates a voltage representative of the difference in weight supported by each of the opposing suspension units. A number of individual warning devices, included in the output circuitry, are operated in response to predetected levels of the magnitude of the weight difference representative voltage to inform the operator of the transverse weight shift of the vehicle from one side to the other.
REFERENCES:
patent: 3009056 (1961-11-01), Bone et al.
patent: 3713129 (1973-01-01), Buchholz
patent: 3824578 (1974-07-01), Harders
patent: 3993166 (1976-11-01), Sendur
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