Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1984-06-04
1986-12-02
Reger, Duane A.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303103, B60T 800
Patent
active
046260412
ABSTRACT:
Strain gauge transducers (15) are fitted to the leading and trailing faces of a vehicle axle between each wheel (14) and the adjacent suspension (13). They have strain gauges (6, 7, 8, 9) in balanced bridge formation and their orientation is such that their outputs can be combined in one circuit (16, 17, 18) to produce an indication of axle loading and in another circuit to produce an indication (26) of torsion, these signals not being influenced by irrelevant strains. The information from the transducers can be combined to indicate individual axle loading, and total loading, and the torsional signal can be used in an anti-skid braking system.
REFERENCES:
patent: 2992860 (1961-07-01), Hirzel
patent: 3203234 (1965-08-01), Westcott, Jr. et al.
patent: 3365689 (1968-01-01), Kutsay
patent: 3655340 (1972-03-01), Bradley
patent: 3695096 (1972-10-01), Kutsay
patent: 3780817 (1973-12-01), Videon
patent: 3800895 (1974-04-01), Gale
patent: 3878908 (1975-04-01), Andersson, et al.
patent: 4166997 (1979-09-01), Kistler
Transducer Tutorial article "Modern Strain Gauge Transducer . . . Their Design and Constructions" Epsilonics, Jul. 1982.
Reger Duane A.
TRW Probe Electronics Co. Ltd.
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