US3085770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft propulsion system
Assignee: Lockheed Martin Corp
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Filing: 1960-09-22
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Granted: 1963-04-16
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Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 James F Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:40
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN AIRCRAFT PROPULSION SYSTEM IN COMBINATION WITH AN AIRFRAME COMPRISING, AT LEAST TWO EJECTOR PASSAGES CONTAINED WITHIN AND EXTENDING DOWNWARD THROUGH THE FUSELAGE AND SYMMETRICALLY PLACED RELATIVE TO THE LONGITUDINAL VERTICAL CENTER OF THE AIRFRAME, EACH OF SAID PASSAGES CANTED AFTERWARDLY IN A DOWNWARD DIRECTION RELATIVE TO THE VERTICAL OF THE AIRFRAME, A PLURALITY OF JET PUMP NOZZLES LOCATED PROXIMATE THE UPPER PORTION OF EACH OF SAID PASSAGES, MEANS PRODUCING PROPULSIVE GAS STREAMS CARRIED BY THE AIRFRAME, AND COMBINED PROPULSIVE NOZZLES AND DUCT MEANS CONNECTED TO BOTH SAID JET PUMP NOZZLES AND PROPULSIVE GAS STREAMS PRODUCING MEANS, SAID COMBINED PROPULSIVE NOZZLE AND DUCT MEANS, CONDUCTING THE PROPULSIVE GAS STREAM FLOW TO SAID JET PUMP NOZZLES FOR DOWNWARD EJECTION FROM SAID EJECTOR PASSAGES FOR VERTICAL THRUST AND TO THE PROPULSIVE NOZZLE FOR EJECTION THEREFROM FOR HORIZONTAL THRUST.
Claim 2
Dependent Claim
85 words
A VERTICAL REACTION FLUID PROPULSION SYSTEM FOR A VEHICLE COMPRISING A VEHICLE BODY, AT LEAST TWO ELONGATE DISCHARGE PASSAGES DIRECTED DOWNWARD FROM SAID BODY, SAID DISCHARGE PASSAGE DISPLACED RELATIVE TO EACH OTHER TO PROVIDE A BASE AREA THEREBETWEEN, A PRESSURIZED FLUID SOURCE CONNECTED TO SAID DISCHARGE PASSAGES FOR DISCHARGE THEREFROM AS EFFLUXES, THE CENTERLINES OF SAID DISCHARGE PASSAGES ANGULATED RELATIVE TO THE VERTICAL AND EACH OTHER SO AS TO FORM A PAIR OF PASSAGES DIVERGING DOWNWARDLY RELATIVE TO EACH OTHER, SAID ANGULATION PROVIDING BOTH A
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |