Pipe identifying apparatus

Details Pipe identifying apparatus Pipe identifying apparatus

1990-08-14

1992-08-11

Pitts, Harold

Registers

Systems controlled by data bearing records

235464, 235472, G06F 1520

Patent

active

051381397

ABSTRACT:
The present invention is directed to a pipe identifying apparatus in use for a pneumatic force type device for transporting powdered materials, a dryer and the like. The pipe identifying apparatus comprises a plurality of magnetic rings and non-magnetic rings which magnetic rings and non-magnetic rings form specific identifying codes for each of a plurality of pipes and proximity switches provided on the side of receiving part of the pipe and associating with the magnetic rings to form a magnetic circuit, so that the magnetic circuit is closed to generate electric signals between each proximity switches and each of the plurality of magnetic rings and non-magnetic rings, thereby identifying specific connected pipes by means of the generated electric signals.

REFERENCES:
patent: 3931524 (1976-01-01), Herrin
patent: 4764879 (1988-08-01), Campbell
patent: 4902244 (1990-02-01), Endo et al.

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