Patent US3118277A successfully refreshed from Google Patents.
US3118277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ramjet gas turbine
Assignee: —
•
Filing: —
•
Granted: 1964-01-21
•
Expires: 1981-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:16
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/14; F02C3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A RAMJET AXIAL FLOW GAS TURBINE COMPRISING A ROTOR HUB, MEANS SUPPORTING SAID ROTOR HUB FOR ROTATION ABOUT ITS CENTER, MEANS FORMING A CHANNEL HAVING A BOUNDED CROSS SECTION EXTENDING DIAGONALLY AROUND AND ACROSS THE PERIPHERY OF SAID ROTOR HUB, SAID MEANS INCLUDING A SINGLE UPSTANDING BLADE FORMED ON THE PERIPHERY OF SAID ROTOR HUB AND EXTENDING HELICALLY AROUND THE PERIPHERY OF SAID ROTOR HUB FOR MORE THAN 360*, SAID CHANNEL BEING FORMED BY THE OVERLAPPING PORTIONS OF SAID BLADE AND INCLUDING IN SERIES FLOW RELATIONSHIP AN AIR INLET, A DIFFUSER, A COMBUSTION CHAMBER AND A NOZZLE, SAID AIR INLET BEING OF SUBSTANTIALLY CONSTANT CROSS SECTION IN THE DIRECTION OF AIR FLOW, SAID DIFFUSER INCREASING IN CROSS SECTION IN THE DIRECTION IN THE DIRECTION OF AIR FLOW; AN INLET SCROLL FOR SAID AIR INLET, SAID INLET SCROLL EXTENDING ABOUT THE EDGE OF SAID ROTOR HUB FOR SUBSTANTIALLY 360* AND BEING FORMED BY ONE SURFACE OF SAID BLADE.
Claim 2
Dependent Claim
157 words
A RAMJET AXIAL FLOW GAS TURBINE COMPRISING A ROTOR HUB, MEANS SUPPORTING SAID ROTOR HUB FOR ROTATION ABOUT ITS CENTER, MEANS FORMING A CHANNEL HAVING A BOUNDED CROSS SECTION EXTENDING DIAGONALLY AROUND AND ACROSS THE PERIPHERY OF SAID ROTOR HUB, SAID MEANS INCLUDING A SINGLE UPSTANDING BLADE FORMED ON THE PERIPHERY OF SAID ROTOR HUB AND EXTENDING HELICALLY AROUND THE PERIPHERY OF SAID ROTOR HUB FOR MORE THAN 360*, SAID CHANNEL BEING FORMED BY THE OVERLAPPING PORTIONS OF SAID BLADE AND INCLUDING IN SERIES FLOW RELATIONSHIP AN AIR INLET, A DIFFUSER, A COMBUSTION CHAMBER AND A NOZZLE, SAID AIR INLET BEING OF SUBSTANTIALLY CONSTANT CROSS SECTION IN THE DIRECTION OF AIR FLOW, SAID DIFFUSER INCREASING IN CROSS SECTION IN THE DIRECTION IN THE DIRECTION OF AIR FLOW; AN INLET SCROLL FOR SAID AIR INLET, SAID INLET SCROLL EXTENDING ABOUT THE EDGE OF SAID ROTOR HUB FOR SUBSTANTIALLY 360* AND BEING FORMED BY ONE SURFACE OF SAID BLADE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |