US3261165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet thrust reverser
Assignee: Pratt and Whitney Canada Corp
•
Filing: 1964-07-01
•
Granted: 1966-07-19
•
Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Smith James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:28
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/54; F02K1/56; F02K1/60; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A JET PROPULSION POWER PLANT HAVING A JET PIPE AND NOZZLE FOR THE REARWARD DISCHARGE OF A PROPULSIVE JET STREAM; LOUVER MEANS FIXEDLY SECURED ON SAID JET PIPE REARWARDLY AND OUTWARDLY OF SAID NOZZLE; SHROUD MEANS ON SAID JET PIPE, SAID SHROUD MEANS COMPRISING A PAIR OF SHELL ELEMENTS PIVOTALLY MOUNTED ON MUTUALLY PARALLEL AXES OF ROTATION OUTWARDLY OF SAID NOZZLE, SAID SHELL ELEMENTS INCLUDING A FORWARD EDGE NORMALLY BLENDING WITH THE OUTER SURFACE OF SAID JET PIPE AND ENCLOSING A PORTION OF SAID FIXED LOUVERS THEREIN, SAID SHELLS INCLUDING A TRAILING EDGE DISPOSED OUTWARDLY OF SAID JET NOZZLE DURING NORMAL ENGINE OPERATION, AND POWER MEANS OPERATIVELY CONNECTED TO SAID SHELLS FOR PIVOTING THEM INTO CONFRONTING RELATION WITH RESPECT TO SAID NOZZLE AND POSITIONING SAID TRAILING SHELL EDGES IN JUXTAPOSED RELATION.
Claim 2
Dependent Claim
132 words
IN A JET PROPULSION POWER PLANT HAVING A JET PIPE AND NOZZLE FOR THE REARWARD DISCHARGE OF A PROPULSIVE JET STREAM; LOUVER MEANS FIXEDLY SECURED ON SAID JET PIPE REARWARDLY AND OUTWARDLY OF SAID NOZZLE; SHROUD MEANS ON SAID JET PIPE, SAID SHROUD MEANS COMPRISING A PAIR OF SHELL ELEMENTS PIVOTALLY MOUNTED ON MUTUALLY PARALLEL AXES OF ROTATION OUTWARDLY OF SAID NOZZLE, SAID SHELL ELEMENTS INCLUDING A FORWARD EDGE NORMALLY BLENDING WITH THE OUTER SURFACE OF SAID JET PIPE AND ENCLOSING A PORTION OF SAID FIXED LOUVERS THEREIN, SAID SHELLS INCLUDING A TRAILING EDGE DISPOSED OUTWARDLY OF SAID JET NOZZLE DURING NORMAL ENGINE OPERATION, AND POWER MEANS OPERATIVELY CONNECTED TO SAID SHELLS FOR PIVOTING THEM INTO CONFRONTING RELATION WITH RESPECT TO SAID NOZZLE AND POSITIONING SAID TRAILING SHELL EDGES IN JUXTAPOSED RELATION.
References Cited (Backward Citations)
US2735264A
Cited
US3024602A
Cited
US3002342A
Cited
US2960822A
Cited
GB800770A
Cited
FR1150556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |