US3147590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction motor with nozzle vector control having ablative port means and cooled valve means
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1961-03-16
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Granted: 1964-09-08
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Russell F Thielman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:46
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/82; Y; Y10; Y10S; Y10S60/00; Y10S60/909; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/6416
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A SYSTEM ADAPTED TO CONTROL THE ATTITUDE OF AIR AND SPACE BORNE VEHICLES PROPELLED BY THE THRUST PRODUCED BY EXHAUST GASES GENERATED IN A REACTION MOTOR AND DISCHARGING THROUGH AN EXHAUST NOZZLE COMPRISING: MEANS COMMUNICATING AN OUTLET PORT FORMED IN THE NOZZLE WALL WITH A PLURALITY OF SECOND PORTS FORMED IN THE NOZZLE WALL DOWNSTREAM OF THE OUTLET PORT FOR SUPPLYING A PORTION OF EXHAUST GASES IN AN OBLIQUELY IMPINGING STREAM ON THE PRIMARY BODY OF EXHAUST GASES FLOWING THROUGH THE NOZZLE TO THEREBY CAUSE CHANGES IN THE DIRECTION OF THE THRUST VECTOR OF THE PRIMARY BODY OF FLOWING EXHAUST GASES AND TO CONTROL THE ATTITUDE OF THE VEHICLE IN THE PITCH AND YAW PLANES, MEANS FOR FILTERING THE EXHAUST GASES BETWEEN SAID OUTLET PORT AND SAID SECOND PORTS, SAID SECOND PORTS CONTAINING A LAMINATED PORT INSERT SEATED IN A GROOVE FORMED IN THE NOZZLE WALL AND CAPABLE OF REGRESSIVELY ABLATING AT SUBSTANTIALLY THE SAME RATE AS THE NOZZLE WALL, SAID INSERT INCLUDING A PLURALITY OF DISKS OF REFRACTORY MATERIAL, A PLURALITY OF DISKS OF INSULATING PLASTIC MATERIAL INTERPOSED
Claim 2
Independent Claim
179 words
A SYSTEM ADAPTED TO CONTROL THE ATTITUDE OF AIR AND SPACE BORNE VEHICLES PROPELLED BY THE THRUST PRODUCED BY EXHAUST GASES GENERATED IN A REACTION MOTOR AND DISCHARGING THROUGH AN EXHAUST NOZZLE COMPRISING: MEANS COMMUNICATING AN OUTLET PORT FORMED IN THE NOZZLE WALL WITH A PLURALITY OF SECOND PORTS FORMED IN THE NOZZLE WALL DOWNSTREAM OF THE OUTLET PORT FOR SUPPLYING A PORTION OF EXHAUST GASES IN AN OBLIQUELY IMPINGING STREAM ON THE PRIMARY BODY OF EXHAUST GASES FLOWING THROUGH THE NOZZLE TO THEREBY CAUSE CHANGES IN THE DIRECTION OF THE THRUST VECTOR OF THE PRIMARY BODY OF FLOWING EXHAUST GASES AND TO CONTROL THE ATTITUDE OF THE VEHICLE IN THE PITCH AND YAW PLANES, MEANS FOR FILTERING THE EXHAUST GASES BETWEEN SAID OUTLET PORT AND SAID SECOND PORTS, SAID SECOND PORTS CONTAINING A LAMINATED PORT INSERT SEATED IN A GROOVE FORMED IN THE NOZZLE WALL AND CAPABLE OF REGRESSIVELY ABLATING AT SUBSTANTIALLY THE SAME RATE AS THE NOZZLE WALL, SAID INSERT INCLUDING A PLURALITY OF DISKS OF REFRACTORY MATERIAL, A PLURALITY OF DISKS OF INSULATING PLASTIC MATERIAL INTERPOSED
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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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |