Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1987-06-25
1989-08-01
Goldstein, Herbert
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340671, B60Q 900
Patent
active
048536890
ABSTRACT:
A warning for a vehicular air brake system, which system is powered by air compressed by a rotary compressor. A sensor senses rotation of some part of the compressor, and if a signal respective to rotation is not sensed during a predetermined increment of time, an alarm is caused to alert the operator of an impending lack of compressed air.
REFERENCES:
patent: 3550108 (1970-12-01), Orlando
patent: 3701139 (1972-10-01), Creuz
patent: 4090181 (1978-05-01), Ansari et al.
patent: 4264905 (1981-04-01), Shapiro
patent: 4418288 (1983-11-01), Imai et al.
Gray William M.
Otteman John H.
Goldstein Herbert
Mon Donald D.
Tumm Brian R.
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