US3150708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforated tube combustion apparatus and process
Assignee: Gulf Research and Development Co
•
Filing: 1961-11-10
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Granted: 1964-09-29
•
Expires: 1981-11-10
Abstract
No abstract record available.
Inventors
- 👤 Sr Orvis A Davis
- 👤 Michael G Frankoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:21
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10; F23D11/101; F23D11/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
COMBUSTION APPARATUS COMPRISING PERFORATED TUBULAR FLAME HOLDER MEANS HAVING A LONGITUDINAL AXIS, LIQUID FUEL OIL ASPIRATING NOZZLE MEANS COAXIALLY POSITIONED AT ONE END OF THE FLAME HOLDER MEANS, THE OTHER END OF THE FLAME HOLDER MEANS COMPRISING A DISCHARGE OPENING MEANS, SAID FLAME HOLDER MEANS HAVING PERFORATIONS ALONG ITS AXIAL EXTENT TO THE DISCHARGE END THEREOF, SAID NOZZLE MEANS ADAPTED FOR SPRAYING LIQUID FUEL WITHIN THE HOLDER MEANS TOWARD SAID DISCHARGE OPENING MEANS, AND FLAME SPREADER BAFFLE MEANS NEAR SAID DISCHARGE OPENING MEANS, THE SURFACE OF SAID BAFFLE MEANS FACING SAID DISCHARGE OPENING MEANS BEING FLAT AND LYING ON A PLANE NORMAL TO SAID LONGITUDINAL AXIS AND SPACED APART FROM SAID DISCHARGE OPENING MEANS, THE AXIAL DISTANCE BETWEEN SAID BAFFLE MEANS AND SAID DISCHARGE OPENING MEANS BEING SUFFICIENTLY SMALL TO PARTIALLY CLOSE SAID DISCHARGE OPENING MEANS BY AN AMOUNT WHICH INDUCES A VACUUM EFFECT AT THE PERFORATIONS NEAR THE DISCHARGE END OF SAID FLAME HOLDER MEANS.
Claim 2
Dependent Claim
156 words
COMBUSTION APPARATUS COMPRISING PERFORATED TUBULAR FLAME HOLDER MEANS HAVING A LONGITUDINAL AXIS, LIQUID FUEL OIL ASPIRATING NOZZLE MEANS COAXIALLY POSITIONED AT ONE END OF THE FLAME HOLDER MEANS, THE OTHER END OF THE FLAME HOLDER MEANS COMPRISING A DISCHARGE OPENING MEANS, SAID FLAME HOLDER MEANS HAVING PERFORATIONS ALONG ITS AXIAL EXTENT TO THE DISCHARGE END THEREOF, SAID NOZZLE MEANS ADAPTED FOR SPRAYING LIQUID FUEL WITHIN THE HOLDER MEANS TOWARD SAID DISCHARGE OPENING MEANS, AND FLAME SPREADER BAFFLE MEANS NEAR SAID DISCHARGE OPENING MEANS, THE SURFACE OF SAID BAFFLE MEANS FACING SAID DISCHARGE OPENING MEANS BEING FLAT AND LYING ON A PLANE NORMAL TO SAID LONGITUDINAL AXIS AND SPACED APART FROM SAID DISCHARGE OPENING MEANS, THE AXIAL DISTANCE BETWEEN SAID BAFFLE MEANS AND SAID DISCHARGE OPENING MEANS BEING SUFFICIENTLY SMALL TO PARTIALLY CLOSE SAID DISCHARGE OPENING MEANS BY AN AMOUNT WHICH INDUCES A VACUUM EFFECT AT THE PERFORATIONS NEAR THE DISCHARGE END OF SAID FLAME HOLDER MEANS.
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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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |