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US4307741A Expired / Lapsed US ⏱️ 0.0 years remaining

Probe cleaner

Assignee: Bethlehem Steel Corp
•
Filing: 1980-08-01
•
Granted: 1981-12-29
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Expires: 2000-08-01
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Abstract

Abstract Apparatus for an automatic system for cleaning a process monitoring probe inserted into a process stream for monitoring said stream. The apparatus comprises a flushing water supply, a high pressure water jet mixed with a cleansing agent and sequential timing apparatus for selectively applying the water jet to the process monitoring probe.

Inventors

  • 👤 Gregory R. Rossi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:42
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 172 words
Apparatus for cleaning a process monitoring probe inserted into a sample process stream for monitoring thereof, comprising: (a) a sample container having an inlet side and a discharge side and mounted for collection of a sample of said process, (b) a cannister for a cleansing agent having discharge means and mounted adjacent said sample container, (c) flushing water supply means connected to said inlet side of said sample container and to said cannister, (d) sump means connected to said discharge side of said sample container, (e) pump means having a suction side connected to said sump means and a discharge side, (f) a nozzle having an inlet end connected to said discharge side of said pump and a jet spray end inserted into said sample container adjacent said monitoring probe, (g) a first valve mounted in said flushing water supply means, (h) a second valve connected to said cleansing agent cannister and said suction side of said pump, and (i) a third valve mounted on said discharge side of said sample container.
Claim 2
Dependent Claim 172 words
Apparatus for cleaning a process monitoring probe inserted into a sample process stream for monitoring thereof, comprising: (a) a sample container having an inlet side and a discharge side and mounted for collection of a sample of said process, (b) a cannister for a cleansing agent having discharge means and mounted adjacent said sample container, (c) flushing water supply means connected to said inlet side of said sample container and to said cannister, (d) sump means connected to said discharge side of said sample container, (e) pump means having a suction side connected to said sump means and a discharge side, (f) a nozzle having an inlet end connected to said discharge side of said pump and a jet spray end inserted into said sample container adjacent said monitoring probe, (g) a first valve mounted in said flushing water supply means, (h) a second valve connected to said cleansing agent cannister and said suction side of said pump, and (i) a third valve mounted on said discharge side of said sample container.
Claim 3
Dependent Claim 25 words
Apparatus for cleaning a process monitoring probe according to claim 1 wherein said first valve, said second valve and said third valve are solenoid valves.
Claim 4
Dependent Claim 33 words
Apparatus for cleaning a process monitoring probe according to claim 2 further including: (j) control logic means including a sequential timer connected to said first valve, said second valve and said third valve.

References Cited (Backward Citations)

US2732502A Cited
US2038260A Cited
US2621673A Cited
US3120326A Cited
US3830248A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-12-28 1985-06-29 1985-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-12-28 1989-06-29 1989-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-12-28 1993-06-29 1993-12-29 $7700.00 Window Closed / Lapsed

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