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Patent US3155801A successfully refreshed from Google Patents.
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US3155801A Expired / Lapsed US ⏱️ 0.0 years remaining

Arc chute side with encapsulated face wound blowout coil

Assignee: ABB Inc USA
•
Filing: 1960-12-21
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Granted: 1964-11-03
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Expires: 1980-12-21
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Abstract

No abstract record available.

Inventors

  • 👤 Frank J Pokorny

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 06:04
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/44

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 244 words
AN ARC CHUTE FOR INTERRUPTING AN ELECTRIC ARC COMPRISED OF A PAIR OF SHELLS; EACH OF SAID SHELLS BEING MADE OF A MATERIAL HAVING HIGH DIELECTRIC STRENGTH AND HAVING A PLURALITY OF APERTURES SPACED ALONG ITS PERIMETER; FASTENING MEANS INSERTED THROUGH SAID APERTURES FOR SECURING SAID SHELLS TO ONE ANOTHER TO THEREBY FORM A PARTIALLY ENCLOSED SUBSTANTIALLY RECTANGULAR HOUSING; EACH OF SAID SHELLS HAVING AN INNER AND OUTER FACE; SAID OUTER FACES OF EACH OF SAID SHELLS HAVING FIRST AND SECOND EXTENDING PORTIONS PROJECTING OUTWARD FROM SAID OUTER FACE OF SAID SHELLS; SAID FIRST AND SECOND EXTENDING PORTIONS FORMING AN ANNULAR SHAPED TROUGH THEREBETWEEN; BLOWOUT MEANS FOR URGING AN ELECTRIC ARC INTO SAID HOUSING; SAID BLOWOUT MEANS INCLUDING FIRST AND SECOND COILS EACH HAVING AT LEAST ONE TURN; SAID FIRST COIL BEING POSITIONED IN SAID TROUGH OF ONE OF SAID SHELLS AND SAID SECOND COIL BEING POSITIONED IN SAID TROUGH OF THE OTHER OF SAID SHELLS; EACH OF SAID COILS FORMED TO GENERATE MAGNETIC FLUX IN BOTH THE REGION OF COOPERATING CONTACTS AND SUBSTANTIALLY THE ENTIRE REGION OF SAID ARC CHUTE; SAID INNER FACE OF EACH OF SAID SHELLS HAVING A PAIR OF SPACED PARALLEL RIBS VERTICALLY ALIGNED IN SAID SHELL; A PLURALITY OF SPACED PARALLEL ARC PLATES; SAID ARC PLATES BEING POSITIONED BETWEEN SAID RIBS AND WITHIN THE HOUSING FORMED BY SAID PAIR OF SHELLS; FILLER MATERIAL CONTAINED IN EACH OF SAID TROUGHS TO RIGIDLY SECURE SAID COILS TO THEIR ASSOCIATED SAID SHELLS.
Claim 2
Dependent Claim 244 words
AN ARC CHUTE FOR INTERRUPTING AN ELECTRIC ARC COMPRISED OF A PAIR OF SHELLS; EACH OF SAID SHELLS BEING MADE OF A MATERIAL HAVING HIGH DIELECTRIC STRENGTH AND HAVING A PLURALITY OF APERTURES SPACED ALONG ITS PERIMETER; FASTENING MEANS INSERTED THROUGH SAID APERTURES FOR SECURING SAID SHELLS TO ONE ANOTHER TO THEREBY FORM A PARTIALLY ENCLOSED SUBSTANTIALLY RECTANGULAR HOUSING; EACH OF SAID SHELLS HAVING AN INNER AND OUTER FACE; SAID OUTER FACES OF EACH OF SAID SHELLS HAVING FIRST AND SECOND EXTENDING PORTIONS PROJECTING OUTWARD FROM SAID OUTER FACE OF SAID SHELLS; SAID FIRST AND SECOND EXTENDING PORTIONS FORMING AN ANNULAR SHAPED TROUGH THEREBETWEEN; BLOWOUT MEANS FOR URGING AN ELECTRIC ARC INTO SAID HOUSING; SAID BLOWOUT MEANS INCLUDING FIRST AND SECOND COILS EACH HAVING AT LEAST ONE TURN; SAID FIRST COIL BEING POSITIONED IN SAID TROUGH OF ONE OF SAID SHELLS AND SAID SECOND COIL BEING POSITIONED IN SAID TROUGH OF THE OTHER OF SAID SHELLS; EACH OF SAID COILS FORMED TO GENERATE MAGNETIC FLUX IN BOTH THE REGION OF COOPERATING CONTACTS AND SUBSTANTIALLY THE ENTIRE REGION OF SAID ARC CHUTE; SAID INNER FACE OF EACH OF SAID SHELLS HAVING A PAIR OF SPACED PARALLEL RIBS VERTICALLY ALIGNED IN SAID SHELL; A PLURALITY OF SPACED PARALLEL ARC PLATES; SAID ARC PLATES BEING POSITIONED BETWEEN SAID RIBS AND WITHIN THE HOUSING FORMED BY SAID PAIR OF SHELLS; FILLER MATERIAL CONTAINED IN EACH OF SAID TROUGHS TO RIGIDLY SECURE SAID COILS TO THEIR ASSOCIATED SAID SHELLS.

References Cited (Backward Citations)

US2147430A Cited
US2381637A Cited
US2564178A Cited
US2777036A Cited
US3024331A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-11-03 1968-05-04 1968-11-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-11-03 1972-05-04 1972-11-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-11-03 1976-05-04 1976-11-03 $7700.00 Window Closed / Lapsed

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