Fluid handling – Processes
Patent
1999-09-01
2000-11-14
Chambers, A. Michael
Fluid handling
Processes
137554, 137558, F16K 3100
Patent
active
061455296
ABSTRACT:
A method of monitoring the status of a plurality of steam traps includes sensing with a monitor at least one process condition in each of a plurality of steam traps, transmitting radio frequency signals responsive to the sensed process condition of each steam trap with transmitters associated with the steam traps, and receiving the signals generated by the transmitters with a receiver. In one embodiment of the invention, the signals from at least some steam traps are received and retransmitted by a repeater positioned between the steam traps and the receiver.
REFERENCES:
patent: 4630633 (1986-12-01), Vallery
patent: 4665385 (1987-05-01), Henderson
Drenick Andrew F.
Hellman Michael Paul
Hume Donald J.
Sajkowski Anthony
Washburn James F.
Armstrong International Inc.
Chambers A. Michael
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