US3298176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method adding oxygen to re-cycle power plant exhaust gases
Assignee: Vinters Armstrongs Ltd
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Filing: 1965-03-04
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Granted: 1967-01-17
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Forsyth George Howard
- 👤 Braithwaite John Cannon
- 👤 Grant Andrew Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:35
CPC Classifications
F; F42; F42B; F42B19/00; F42B19/12; F42B19/14; F42B19/20; F02; F02D; F02D25/00; F02D9/00; F02D9/04; F02D2700/00; F02D2700/04; F02D2700/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF OPERATING A POWER PLANT, COMPRISING BURNING FUEL IN A COMBUSTION CHAMBER, SUPPLYING GASES OF COMBUSTION FROM SAID COMBUSTION CHAMBER TO AN ENGINE TO DRIVE THE ENGINE, RECYCLING TO THE COMBUSTION CHAMBER A PART OF THE EXHAUST GASES OF THE ENGINE BY MEANS OF A COMPRESSOR, AND MIXING SUBSTANTIALLY PURE OXYGEN WITH SAID PART BEFORE SAID PART REACHES SAID COMBUSTION CHAMBER.
Claim 2
Independent Claim
63 words
A METHOD OF OPERATING A POWER PLANT, COMPRISING BURNING FUEL IN A COMBUSTION CHAMBER, SUPPLYING GASES OF COMBUSTION FROM SAID COMBUSTION CHAMBER TO AN ENGINE TO DRIVE THE ENGINE, RECYCLING TO THE COMBUSTION CHAMBER A PART OF THE EXHAUST GASES OF THE ENGINE BY MEANS OF A COMPRESSOR, AND MIXING SUBSTANTIALLY PURE OXYGEN WITH SAID PART BEFORE SAID PART REACHES SAID COMBUSTION CHAMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |