US3103325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radial jet engine
Assignee: Individual
•
Filing: 1960-06-13
•
Granted: 1963-09-10
•
Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Leutzinger Rudolph Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:31
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C39/00; B64C39/001; F; F02; F02C; F02C3/00; F02C3/04; F02C3/08; F02C3/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
386 words
A DOUBLE ENTRY RADIAL GAS TURBINE SUPPORTED IN THE WING PLANE OF AN AIRFRAME, SAID PLANE CONSTITUTING THE RADIAL FLOW PLANE OF THE ENGINE, SAID ENGINE PROVIDED WITH DUAL INTAKE PASSAGES BOTH TOP AND BOTTOM FROM THE WING LEADING EDGE AND FROM INTAKES ELSEWHERE IN THE AIRFRAME, A COMPRESSOR, SAID COMPRESSOR BEING OF THE DOUBLE ENTRY DUAL SECTION TYPE, UPPER AND LOWER SECTIONS BEING CONNECTED AND DRIVEN THROUGH A FINAL TURBINE BLADING STAGE DISTRIBUTED CONCENTRICALLY AROUND THE PERIPHERY BETWEEN THE UPPER AND LOWER SECTIONS OF THE CENTRIFUGAL COMPRESSOR AND ATTACHED TO THE INNER RUNNERS, SAID RUNNERS BEING CONCENTRIC RINGS EXTENDING RADIALLY OUTBOARD FROM THE COMPRESSOR INLET MEANS AND SLOPING OUTBOARD TOWARD EACH OTHER AND TOWARD THE CENTRAL RADIAL WING PLANE, THERE BEING TWO INNER RUNNERS AND TWO OUTER RUNNERS PROVIDED TO CONTAIN THE VANES IN BOTH THE UPPER AND LOWER SECTIONS OF THE COMPRESSOR, SAID VANES BETWEEN RUNNERS HAVING A SPIRAL TYPE CURVATURE FOR TURNING THE FLOW IN THE FORWARD ROTATIONAL DIRECTION AND DISCHARGING IT FORWARDLY AND OUTBOARDLY INTO THE UPPER AND LOWER SECTIONS OF A CONCENTRIC PAIR OF INNER AND OUTER COUNTER-ROTATING BLADE RING ASSEMBLIES, EACH SAID ASSEMBLY COMPRISING A TURBINE SECTION CONTAINING TURBINE BLADES, EACH BLADE SET VERTICALLY BETWEEN TWO VERTICALLY SPACED INTERIOR HORIZONTAL MOUNTING RINGS, AND JOINED AT EACH END THROUGH SAID MOUNTING RINGS TO TWO DIFFUSER BLADES, UPPER AND LOWER SECTIONS, MOUNTED VERTICALLY BETWEEN TWO VERTICALLY SPACED EXTERIOR HORIZONTAL MOUNTING RINGS, SAID EXTERIOR MOUNTING RINGS BEING SET IN BEARINGS, TOP AND BOTTOM, EACH BLADE HAVING ITS LONGITUDINAL AXIS APPROXIMATELY VERTICAL AND APPROXIMATELY PARALLEL TO THE ENGINE CENTER LINE ABOUT WHICH IT ROTATES, SAID INTERIOR MOUNTING RINGS BEING PARALLEL TO EACH OTHER AND SELF EQUILIBRATING AND SEPARATING THE OUTFLOW DIFFUSER SECTIONS, TOP AND BOTTOM, FROM THE CENTRAL INFLOW TURBINE SECTION, EACH OF SAID BLADE RING ASSEMBLIES BEING FREE TO ROTATE IN SAID BEARINGS WITH NO EXTERNAL POWER DRIVE REQUIRED, CONSTANT SPEED REGULATION BEING OBTAINED BY BLADE PITCH ADJUSTMENTS, VARIABLE PITCH ADJUSTMENT BEING A ROTATION OF EACH INDIVIDUAL BLADE ABOUT ITS OWN AXIS BY ITS ECCENTRIC CENTER OF GRAVITY BEING IN THE CENTRIFUGAL FORCE FIELD OF THE ROTATING RING WHICH FIELD ACTS IN PLANES NORMAL TO THE BLADE AXIS AND IS PROPORTIONAL TO THE SPEED OF ROTATION, A FIXED SECTION JOINED TO THE ROTATING RINGS THROUGH LABYRINTHS WHICH EFFECT A SEPARATION OF THE OUT-
Claim 2
Dependent Claim
386 words
A DOUBLE ENTRY RADIAL GAS TURBINE SUPPORTED IN THE WING PLANE OF AN AIRFRAME, SAID PLANE CONSTITUTING THE RADIAL FLOW PLANE OF THE ENGINE, SAID ENGINE PROVIDED WITH DUAL INTAKE PASSAGES BOTH TOP AND BOTTOM FROM THE WING LEADING EDGE AND FROM INTAKES ELSEWHERE IN THE AIRFRAME, A COMPRESSOR, SAID COMPRESSOR BEING OF THE DOUBLE ENTRY DUAL SECTION TYPE, UPPER AND LOWER SECTIONS BEING CONNECTED AND DRIVEN THROUGH A FINAL TURBINE BLADING STAGE DISTRIBUTED CONCENTRICALLY AROUND THE PERIPHERY BETWEEN THE UPPER AND LOWER SECTIONS OF THE CENTRIFUGAL COMPRESSOR AND ATTACHED TO THE INNER RUNNERS, SAID RUNNERS BEING CONCENTRIC RINGS EXTENDING RADIALLY OUTBOARD FROM THE COMPRESSOR INLET MEANS AND SLOPING OUTBOARD TOWARD EACH OTHER AND TOWARD THE CENTRAL RADIAL WING PLANE, THERE BEING TWO INNER RUNNERS AND TWO OUTER RUNNERS PROVIDED TO CONTAIN THE VANES IN BOTH THE UPPER AND LOWER SECTIONS OF THE COMPRESSOR, SAID VANES BETWEEN RUNNERS HAVING A SPIRAL TYPE CURVATURE FOR TURNING THE FLOW IN THE FORWARD ROTATIONAL DIRECTION AND DISCHARGING IT FORWARDLY AND OUTBOARDLY INTO THE UPPER AND LOWER SECTIONS OF A CONCENTRIC PAIR OF INNER AND OUTER COUNTER-ROTATING BLADE RING ASSEMBLIES, EACH SAID ASSEMBLY COMPRISING A TURBINE SECTION CONTAINING TURBINE BLADES, EACH BLADE SET VERTICALLY BETWEEN TWO VERTICALLY SPACED INTERIOR HORIZONTAL MOUNTING RINGS, AND JOINED AT EACH END THROUGH SAID MOUNTING RINGS TO TWO DIFFUSER BLADES, UPPER AND LOWER SECTIONS, MOUNTED VERTICALLY BETWEEN TWO VERTICALLY SPACED EXTERIOR HORIZONTAL MOUNTING RINGS, SAID EXTERIOR MOUNTING RINGS BEING SET IN BEARINGS, TOP AND BOTTOM, EACH BLADE HAVING ITS LONGITUDINAL AXIS APPROXIMATELY VERTICAL AND APPROXIMATELY PARALLEL TO THE ENGINE CENTER LINE ABOUT WHICH IT ROTATES, SAID INTERIOR MOUNTING RINGS BEING PARALLEL TO EACH OTHER AND SELF EQUILIBRATING AND SEPARATING THE OUTFLOW DIFFUSER SECTIONS, TOP AND BOTTOM, FROM THE CENTRAL INFLOW TURBINE SECTION, EACH OF SAID BLADE RING ASSEMBLIES BEING FREE TO ROTATE IN SAID BEARINGS WITH NO EXTERNAL POWER DRIVE REQUIRED, CONSTANT SPEED REGULATION BEING OBTAINED BY BLADE PITCH ADJUSTMENTS, VARIABLE PITCH ADJUSTMENT BEING A ROTATION OF EACH INDIVIDUAL BLADE ABOUT ITS OWN AXIS BY ITS ECCENTRIC CENTER OF GRAVITY BEING IN THE CENTRIFUGAL FORCE FIELD OF THE ROTATING RING WHICH FIELD ACTS IN PLANES NORMAL TO THE BLADE AXIS AND IS PROPORTIONAL TO THE SPEED OF ROTATION, A FIXED SECTION JOINED TO THE ROTATING RINGS THROUGH LABYRINTHS WHICH EFFECT A SEPARATION OF THE OUT-
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |