US3225589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing the principles of detonation combustion
Assignee: Garrett Corp
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Filing: 1961-04-10
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Granted: 1965-12-28
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Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Selden B Spangler
- 👤 James L Munier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:27
CPC Classifications
F; F02; F02C; F02C7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A TEST APPARATUS FOR SIMULATING THE AIR FLOW CONDITIONS IN HYPERSONIC FLIGHT FOR TESTING THE PRINCIPLES OF DETEONATION COMBUSTION, COMPRISING: AN ELONGATED AEROTHERMODYNAMIC DUCT; MEANS FOR SUPPLYING AIR AT HIGH PRESSURE TO SAID DUCT; MEANS FOR PREHEATING SUCH AIR WHILE AT THE SME TIME REGULATING THE AMOUNT OF OXYGEN THEREIN; MEANS FOR ESTABLISHING AND MAINTAINING A SHOCKWAVE IN SAID DUCT; AND MEANS FOR INJECTING FUEL INTO THE AIRSTREAM IN SAID DUCT SO THAT DETONATION MAY TAKE PLACE ACROSS SUCH SHOCKWAVE.
Claim 2
Dependent Claim
80 words
A TEST APPARATUS FOR SIMULATING THE AIR FLOW CONDITIONS IN HYPERSONIC FLIGHT FOR TESTING THE PRINCIPLES OF DETEONATION COMBUSTION, COMPRISING: AN ELONGATED AEROTHERMODYNAMIC DUCT; MEANS FOR SUPPLYING AIR AT HIGH PRESSURE TO SAID DUCT; MEANS FOR PREHEATING SUCH AIR WHILE AT THE SME TIME REGULATING THE AMOUNT OF OXYGEN THEREIN; MEANS FOR ESTABLISHING AND MAINTAINING A SHOCKWAVE IN SAID DUCT; AND MEANS FOR INJECTING FUEL INTO THE AIRSTREAM IN SAID DUCT SO THAT DETONATION MAY TAKE PLACE ACROSS SUCH SHOCKWAVE.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |