Communications: electrical – Selective – Having indication or alarm
Patent
1980-04-28
1981-08-04
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340 27R, 340 58, 340682, B60C 2300
Patent
active
042825083
ABSTRACT:
A conductor for transmitting an electrical signal from a signal generator on a rotating member to a signal detector on a relatively stationary member across the motion interface between the two members comprises at least one solid carbon graphite ring mounted coaxially between the two members and having a first annular surface in intimate contact with a mating conductive surface on the signal generator and having a second annular surface in intimate contact with a mating conductive surface on the stationary member that is electrically connected to the signal detector, said carbon graphite ring functioning as an electrical interconnection between the two members.
REFERENCES:
patent: 2063452 (1936-12-01), McDonnell
patent: 2797273 (1957-06-01), Brodsky
patent: 2966650 (1960-12-01), Earnest
patent: 4063786 (1977-12-01), Rall
patent: 4151655 (1979-05-01), Makarainen
Bowyer John M.
Raffel Bernard D.
Germain L. A.
Goodyear Aerospace Corporation
Milliken P. E.
Waring Alvin H.
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