Communications: electrical – Selective – Having indication or alarm
Patent
1980-04-28
1981-06-23
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340 27R, 340 58, 340682, B60C 2300
Patent
active
042753767
ABSTRACT:
A signal communicator for transmitting an electrical signal from one member rotating relative to another member is in the configuration of a journal bearing and comprises at least one conically shaped annular graphite ring supported by inner and outer electrically conductive races. While one race is insulatively mounted on the rotating member and electrically connected to a condition sensor, the other race is insulatively mounted on the relatively stationary member and electrically connected to a signal detector, and the graphite ring is an electrical conductor interconnecting the sensor and detector via the two races. Alternatively, two opposing and contacting graphite rings are mounted in nonconducting carriers, one of the carriers keyed for rotation with the sensor while the other is mounted on the relatively stationary member. Electrical connections are made directly from the sensor to one of the graphite rings and from the detector to the other of the graphite rings and the rings therefore function as the electrical interconnection between the rotating sensor and the relatively stationary detector.
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
Alexander William C.
Kirk Richard L.
Thomsen Kenneth A.
Germain L. A.
Goodyear Aerospace Corporation
Milliken P. E.
Waring Alvin H.
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