US3131533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Afterburner and method for purifying polluted exhaust gases
Assignee: North American Aviation Corp
•
Filing: 1961-02-13
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Granted: 1964-05-05
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Vandenberg Cornelius Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:36
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN AN AFTERBURNER WHICH IS OPERATIVELY CONNECTED TO AN INTERNAL COMBUSTION TYPE ENGINE, SAID ENGINE HAVING AN INTAKE MANIFOLD FOR INDUCTING PRIMARY AIR THEREIN IN ACCORDANCE WITH THE VARYING PRESSURES OCCASIONED BY THE OUTPUT OF SAID ENGINE, SAID AFTERBURNER HAVING CONTROL MEANS COMPRISING FIRST MEANS FOR RECEIVING COMBUSTION GASES FROM SAID ENGINE AND FOR INDUCING AND DISCHARGING SECONDARY AIR INTO SAID COMBUSTION GASES AND SECOND MEANS OPERATIVELY CONNECTED TO SAID INTAKE MANIFOLD AND FURTHER OPERATIVELY CONNECTED TO SAID AFTERBURNER TO PROVIDE FLUID COMMUNICATION THEREBETWEEN FOR DIRECTLY VARYING THE PRESSURE DOWNSTREAM OF SAID FIRST MEANS.
Claim 2
Dependent Claim
94 words
IN AN AFTERBURNER WHICH IS OPERATIVELY CONNECTED TO AN INTERNAL COMBUSTION TYPE ENGINE, SAID ENGINE HAVING AN INTAKE MANIFOLD FOR INDUCTING PRIMARY AIR THEREIN IN ACCORDANCE WITH THE VARYING PRESSURES OCCASIONED BY THE OUTPUT OF SAID ENGINE, SAID AFTERBURNER HAVING CONTROL MEANS COMPRISING FIRST MEANS FOR RECEIVING COMBUSTION GASES FROM SAID ENGINE AND FOR INDUCING AND DISCHARGING SECONDARY AIR INTO SAID COMBUSTION GASES AND SECOND MEANS OPERATIVELY CONNECTED TO SAID INTAKE MANIFOLD AND FURTHER OPERATIVELY CONNECTED TO SAID AFTERBURNER TO PROVIDE FLUID COMMUNICATION THEREBETWEEN FOR DIRECTLY VARYING THE PRESSURE DOWNSTREAM OF SAID FIRST 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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |