Monitoring coupling status with process lockout feedback

Details Monitoring coupling status with process lockout feedback Monitoring coupling status with process lockout feedback

2007-04-24

2007-04-24

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S691700, C340S679000, C340S685000, C285S012000, C285S332400

Reexamination Certificate

active

11149281

ABSTRACT:
A monitoring system includes a porthole in a tank or conduit that includes threads on an end thereof. A piece of processing equipment is mounted within the porthole by a threaded coupling collar. The threads of the coupling collar engage the threads of the porthole. A sensor collar is mounted in fixed relationship to the porthole at a predetermined distance from an end of the porthole and includes a status sensor mounted thereto. The status sensor detects a position of the threaded coupling collar to ensure that the piece of processing equipment is properly mounted in the porthole.

REFERENCES:
patent: 4058792 (1977-11-01), Soltesz
patent: 4063482 (1977-12-01), Pizzey et al.
patent: 4566168 (1986-01-01), Stromberg
patent: 4573359 (1986-03-01), Carstensen
patent: 5282653 (1994-02-01), LaFleur et al.
patent: 5471739 (1995-12-01), Fetzer
patent: 5909904 (1999-06-01), Shea
patent: 6490939 (2002-12-01), Sargent
patent: 6748771 (2004-06-01), Nitschmann et al.

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