US3423942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Standing detonation wave rocket engine
Assignee: United States Department of the Navy
•
Filing: 1963-09-20
•
Granted: 1969-01-28
•
Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
- 👤 Clinton L Spindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:22
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A METHOD OF ROCKER PROPULSION COMPRISING THE STEPS OF: (A) REACTING A NONSTOICHIOMETRIC RATIO MIXTURE OF A PLURALITY OF CHEMICALLY REACTIVE INGREDIENTS; (B) PASSING THE REACTED NONSTOICHIOMETRIC MIXTURE THROUGH A SONIC THROAT PORTION AND THEREAT SIMULTANEOUSLY ADDING THE INGREDIENT NECESSARY TO BRING THE OVER-ALL MIXTURE RATIO UP TO STOICHIOMETRIC; (C) EXPANDING THE STOICHIOMETRIC MIXTURE IN A FIRST DIVERGING NOZZLE PORTION; (D) PASSING THE EXPANDED STIOCHIOMETRIC MIXTURE THROUGH A DETONATION ZONE AND THEREBY CAUSING IGNITION AND REACTION OF THE UNREACTED INGREDIENTS; AND (E) EXPANDING THE REACTED STIOCHIOMETRIC MIXTURE IN A SECONDS DIVERGING NOZZLE PORTION.
Claim 2
Independent Claim
93 words
A METHOD OF ROCKER PROPULSION COMPRISING THE STEPS OF: (A) REACTING A NONSTOICHIOMETRIC RATIO MIXTURE OF A PLURALITY OF CHEMICALLY REACTIVE INGREDIENTS; (B) PASSING THE REACTED NONSTOICHIOMETRIC MIXTURE THROUGH A SONIC THROAT PORTION AND THEREAT SIMULTANEOUSLY ADDING THE INGREDIENT NECESSARY TO BRING THE OVER-ALL MIXTURE RATIO UP TO STOICHIOMETRIC; (C) EXPANDING THE STOICHIOMETRIC MIXTURE IN A FIRST DIVERGING NOZZLE PORTION; (D) PASSING THE EXPANDED STIOCHIOMETRIC MIXTURE THROUGH A DETONATION ZONE AND THEREBY CAUSING IGNITION AND REACTION OF THE UNREACTED INGREDIENTS; AND (E) EXPANDING THE REACTED STIOCHIOMETRIC MIXTURE IN A SECONDS DIVERGING NOZZLE PORTION.
References Cited (Backward Citations)
DE1019867B
Cited
US2952123A
Cited
US3010280A
Cited
US3040516A
Cited
US3095694A
Cited
US3182445A
Cited
US3034294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |