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US3258568A Expired / Lapsed US ⏱️ 0.0 years remaining

Discharge filter for circuit interrupter

Assignee: Westinghouse Electric Corp
•
Filing: 1965-04-26
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Granted: 1966-06-28
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Expires: 1985-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Calvin C Patterson
  • 👤 Russell E Frink

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 17:44
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/38; H01H85/42; H01H33/00; H01H33/02; H01H33/53; H01H33/57; H01H33/70; H01H33/76; H01H33/77

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 148 words
A CIRCUIT INTERRUPTER INCLUDING MEANS FOR ESTABLISHING AN ARC, A DISCHARGE FILTER CHAMBER FOR RECEIVING THE EXHAUST ARC GASES AND FOR COOLING AND DEIONIZING THE SAME, SAID DISCHARGE FILTER CHAMBER HAVING A MAIN BODY PORTION AND A FLOW-DIRECTING NOZZLE AT THE INLET END THEREOF, AN APERTURED DEFLECTOR MEMBER DISPOSED ADJACENT THE INLET END OF THE FILTER CHAMBER, AND SAID APERTURED DEFFLECTOR MEMBER HAVING A CENTRAL CONE-SHAPED DEFLECTING PORTION POINTED UPSTREAM OF SAID FLOW-DIRECTING NOZZLE AND A PLURALITY OF SPACED APERTURES DISPOSED ONLY AROUND THE OUTER PERIPHERY OF SAID DEFLECTOR MEMBER, A NOZZLE SUPPORT SECURED TO SAID FLOW-DIRECTING NOZZLE AND HAVING AN INNER SURFACE OF BOWL-SHAPED CONFIGURATION, SAID NOZZLE SUPPORT BEING INTERPOSED BETWEEN SAID NOZZLE AND THE APERTURED DEFLECTOR MEMBER, WHEREBY THE AXIALLY-DIRECTED EXHAUST GASES ENTERING THE FILTER CHAMBER THROUGH SAID FLOW-DIRECTING NOZZLE WILL BE DIVERTED OUTWARDLY AND WILL THEREBY BE PREVENTED FROM BLASTING AXIALLY ALONG THE FILTER CHAMBER.
Claim 2
Dependent Claim 148 words
A CIRCUIT INTERRUPTER INCLUDING MEANS FOR ESTABLISHING AN ARC, A DISCHARGE FILTER CHAMBER FOR RECEIVING THE EXHAUST ARC GASES AND FOR COOLING AND DEIONIZING THE SAME, SAID DISCHARGE FILTER CHAMBER HAVING A MAIN BODY PORTION AND A FLOW-DIRECTING NOZZLE AT THE INLET END THEREOF, AN APERTURED DEFLECTOR MEMBER DISPOSED ADJACENT THE INLET END OF THE FILTER CHAMBER, AND SAID APERTURED DEFFLECTOR MEMBER HAVING A CENTRAL CONE-SHAPED DEFLECTING PORTION POINTED UPSTREAM OF SAID FLOW-DIRECTING NOZZLE AND A PLURALITY OF SPACED APERTURES DISPOSED ONLY AROUND THE OUTER PERIPHERY OF SAID DEFLECTOR MEMBER, A NOZZLE SUPPORT SECURED TO SAID FLOW-DIRECTING NOZZLE AND HAVING AN INNER SURFACE OF BOWL-SHAPED CONFIGURATION, SAID NOZZLE SUPPORT BEING INTERPOSED BETWEEN SAID NOZZLE AND THE APERTURED DEFLECTOR MEMBER, WHEREBY THE AXIALLY-DIRECTED EXHAUST GASES ENTERING THE FILTER CHAMBER THROUGH SAID FLOW-DIRECTING NOZZLE WILL BE DIVERTED OUTWARDLY AND WILL THEREBY BE PREVENTED FROM BLASTING AXIALLY ALONG THE FILTER CHAMBER.

References Cited (Backward Citations)

US3178537A Cited
US720087A Cited
US748157A Cited
DE622970C Cited
US2091423A Cited
FR787348A Cited
US2017491A Cited
US2223975A Cited
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FR914756A Cited
FR918431A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-27 1969-12-27 1970-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-27 1973-12-27 1974-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-27 1977-12-27 1978-06-28 $7700.00 Window Closed / Lapsed

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