US3253403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle having ablative coating
Assignee: ZF Active Safety US Inc
•
Filing: 1962-05-24
•
Granted: 1966-05-31
•
Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Edward J Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:36
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/974; Y; Y10; Y10S; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN A VEHICLE PROPULSIVELY DRIVEN BY HOT GASES, A DISCHARGE NOZZLE ASSEMBLY COMPRISING A NOZZLE MEMBER HAVING AN INLET END AND AN OUTLET END, MEANS AT SAID INLET END FOR SECURING SAID NOZZLE MEMBER TO THE VEHICLE, A REDUCED SECTION THROAT PORTION ON SAID NOZZLE MEMBER DISPOSED BETWEEN SAID INLET AND SAID OUTLET ENDS, A GENERALLY RADIALLY OUTWARDLY FLARING, CONICALLY SHAPED PORTION ON SAID NOZZLE CONNECTED AT ONE END TO SAID THROAT PORTION AND TERMINATING AT ITS OTHER END IN SAID OUTLET END AND WITH SAID OTHER END DEFINING AN OPENING HAVING AN AREA OF A PRESELECTED DESIRED RATION RELATIVE TO THE AREA OF THE OPENING DEFINED BY SAID THROAT PORTION FOR ONE FLIGHT CONDITION, A LINING COMPOSED OF AN ABLATIVE MATERIAL DISPOSED INTERNALLY, PERIPHERALLY ON SAID CONICALLY SHAPED PORTION AND EXTENDING SUBSTANTIALLY FROM SAID ONE END TO SAID OTHER END AND WITH SAID LINING DEFINING AN OPENING AT SAID OTHER END HAVING AN AREA OF A PRESELECTED DIFFERENT RATIO RELATIVE TO THE AREA OF THE OPENING DEFINED BY SAID
Claim 2
Dependent Claim
170 words
IN A VEHICLE PROPULSIVELY DRIVEN BY HOT GASES, A DISCHARGE NOZZLE ASSEMBLY COMPRISING A NOZZLE MEMBER HAVING AN INLET END AND AN OUTLET END, MEANS AT SAID INLET END FOR SECURING SAID NOZZLE MEMBER TO THE VEHICLE, A REDUCED SECTION THROAT PORTION ON SAID NOZZLE MEMBER DISPOSED BETWEEN SAID INLET AND SAID OUTLET ENDS, A GENERALLY RADIALLY OUTWARDLY FLARING, CONICALLY SHAPED PORTION ON SAID NOZZLE CONNECTED AT ONE END TO SAID THROAT PORTION AND TERMINATING AT ITS OTHER END IN SAID OUTLET END AND WITH SAID OTHER END DEFINING AN OPENING HAVING AN AREA OF A PRESELECTED DESIRED RATION RELATIVE TO THE AREA OF THE OPENING DEFINED BY SAID THROAT PORTION FOR ONE FLIGHT CONDITION, A LINING COMPOSED OF AN ABLATIVE MATERIAL DISPOSED INTERNALLY, PERIPHERALLY ON SAID CONICALLY SHAPED PORTION AND EXTENDING SUBSTANTIALLY FROM SAID ONE END TO SAID OTHER END AND WITH SAID LINING DEFINING AN OPENING AT SAID OTHER END HAVING AN AREA OF A PRESELECTED DIFFERENT RATIO RELATIVE TO THE AREA OF THE OPENING DEFINED BY SAID
References Cited (Backward Citations)
US2206057A
Cited
FR991228A
Cited
US2835107A
Cited
US3069845A
Cited
US3048970A
Cited
US3073111A
Cited
US2995011A
Cited
US3022190A
Cited
US3103784A
Cited
US3079752A
Cited
US3142960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |