Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1991-09-23
1993-07-27
Mullen, Thomas
Communications: electrical
Condition responsive indicating system
Specific condition
310232, 324706, 340521, 361399, 439 24, G08B 2100, H01R 3908, H05K 500
Patent
active
052313743
ABSTRACT:
A slip ring includes a rotor and a stator. Stator contacts are connected to a data acquisition unit. The rotor contacts are connected to an amplifier circuit mounted in a housing connected to and rotatable with a rotating member. A sensor mounted on the rotating member to which the rotor is also fixedly mounted generates an electrical output signal corresponding to a sensed operating parameter of the rotating member. The sensor output signal is amplified by the amplifier in the housing before being transmitted through the slip ring to the data acquisition unit. Vibration isolation is provided when required for the slip ring and the circuit board in the housing carrying the amplifier to dampen vibrations generated by the rotating member. Resilient pads are mounted on the circuit board and engage the housing attached to the rotor.
REFERENCES:
patent: 4068909 (1978-01-01), Jacobson et al.
patent: 4294500 (1981-10-01), Wilson
patent: 4418342 (1983-11-01), Aschoff et al.
patent: 4728834 (1988-03-01), Kumar et al.
patent: 4870311 (1989-09-01), Chase et al.
Hoffer David A.
Larsen Hugh W.
Larsen Ralph W.
Michigan Scientific Corporation
Mullen Thomas
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