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US3620008A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for removing air pollutants from the exhaust stream of a combustion process

Assignee: ROBERT M NEWBOLD
•
Filing: 1970-07-23
•
Granted: 1971-11-16
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Expires: 1990-07-23
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Abstract

Abstract AN APPARATUS FOR REMOVING POLLUTANTS FROM A COMBUSTION EXHAUST STREAM COMPRISES A CHAMBER HAVING AN INLET FOR RECEIVING THE EXHAUST STREAM LINED WITH HEAT RESISTANT MATERIAL AND SURROUNDED BY ELECTRICAL MEANS PROVIDING A HIGH FREQUENCY ELECTRICAL FIELD WITHIN THE CHAMBER THAT PRODUCES AN IGNITION PLASMA REACTION TO IONIZE THE GASES IN THE EXHAUST STREAM THAT FLOWS INTO THE CHAMBER. THE PLASMA OF IONIZED GASES WITHIN THE CHAMBER IS AT A HIGH TEMPERATURE AND FREE FROM AIR-POLLUTING COMPOUNDS WHICH ARE CONSUMED OR DISASSOCIATED. NEAR THE EXIT OF THE CHAMBER THE IONIZED GASES ARE COOLED AND RECOMBINED TO FORM HARMLESS COMPOUNDS SUCH AS THE NORMAL AIR GASES OF NITROGEN AND OXYGEN. IN AN AUTOMOBILE INSTALLATION THE HIGH FREQUENCY ELECTRICAL POWER IS PROVIDED THROUGH A CLOSED SYSTEM FROM A STANDARD BATTERY AND HEAT REMOVED FROM THE IONIZED GASES IS UTILIZED FOR AUXILIARY POWER.

Inventors

  • 👤 Robert M Newbold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 09:23
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; B; B03; B03C; B03C3/00; B03C3/34; B03C3/38

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-11-15 1975-05-17 1975-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-15 1979-05-17 1979-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-15 1983-05-17 1983-11-16 $7700.00 Window Closed / Lapsed

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