Weighing scales – Structural installation – Vehicle
Patent
1993-04-22
1995-04-25
Miller, Jr., George H.
Weighing scales
Structural installation
Vehicle
364567, 177199, G01G 1912
Patent
active
054101093
ABSTRACT:
An apparatus and method is disclosed for a vehicle on-board weighing system. The system includes sensor housings which may be placed between elements of a load-bearing unit such as the axle and the spring assembly of trucks and tractor-trailers or between the frame and the air-ride housing assembly of vehicles so equipped. A sensor housing is preferably placed at each spring assembly of the vehicle. Each sensor housing contains a weight sensor in the form of a transducer. The electrical output signal of each of the transducers, which is proportional in amplitude to the weight-generated applied, is connected to a monitor module. Total weight of the vehicle load as well as weight distribution of each axle may be indicated by a display on the monitor module. The monitor module contains an eprom that stores information of unsprung weight, installation weight-force, and tare weight of the vehicle. It may also store data from one or more previous readings. The monitor module contains a microprocessor that calculates the weight distribution and total weight in response to a keypad input query. The keypad is used for manual interrogation of system performance as well as for manual inputs of system characteristics. The monitor module may also be interrogated by, and send data and readings of weight and other information to, a remote monitor.
REFERENCES:
patent: 4728922 (1988-03-01), Christen et al.
patent: 4839835 (1989-06-01), Hagenbuch
patent: 4860587 (1989-08-01), Keller
Gerstbauer Timothy M.
Tarter Ralph E.
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