Patent US3082603A successfully refreshed from Google Patents.
US3082603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion chamber with primary and secondary air flows
Assignee: Safran Aircraft Engines SAS
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Filing: 1956-10-02
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Granted: 1963-03-26
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Expires: 1976-10-02
Abstract
No abstract record available.
Inventors
- 👤 Hering Hans
- 👤 Menz Lothar
- 👤 Caffier Edouard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:08
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A COMBUSTION CHAMBER COMPRISING A FLAME-TUBE EXTENDING THEREIN IN A FORE-AND-AFT DIRECTION AND BOUNDING AN INNER SPACE SEPARATED FROM A SURROUNDING OUTER SPACE OF SAID CHAMBER, SAID FLAME-TUBE HAVING, IN AN INTERMEDIATE ZONE THEREOF, A SUDDEN CONSTRICTION SMOOTHLY CONNECTED WITH A DIVERGENT DOWNSTREAM SECTION, THE PORTION OF SAID INNER SPACE UPSTREAM OF SAID CONSTRICTION BEING GASTIGHTLY SEPARATED FROM THE SURROUNDING OUTER SPACE WHEREAS THE PORTION OF SAID INNER SPACE DOWNSTREAM OF SAID CONSTRICTION COMMUNICATES WITH SAID OUTER SPACE THROUGH PORTS FORMED IN THE DIVERGENT SECTION OF THE FLAME-TUBE.
Claim 2
Dependent Claim
88 words
A COMBUSTION CHAMBER COMPRISING A FLAME-TUBE EXTENDING THEREIN IN A FORE-AND-AFT DIRECTION AND BOUNDING AN INNER SPACE SEPARATED FROM A SURROUNDING OUTER SPACE OF SAID CHAMBER, SAID FLAME-TUBE HAVING, IN AN INTERMEDIATE ZONE THEREOF, A SUDDEN CONSTRICTION SMOOTHLY CONNECTED WITH A DIVERGENT DOWNSTREAM SECTION, THE PORTION OF SAID INNER SPACE UPSTREAM OF SAID CONSTRICTION BEING GASTIGHTLY SEPARATED FROM THE SURROUNDING OUTER SPACE WHEREAS THE PORTION OF SAID INNER SPACE DOWNSTREAM OF SAID CONSTRICTION COMMUNICATES WITH SAID OUTER SPACE THROUGH PORTS FORMED IN THE DIVERGENT SECTION OF THE FLAME-TUBE.
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |