Patent US3137477A successfully refreshed from Google Patents.
US3137477A
Expired / Lapsed
US
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Gas turbine having adjustable nozzle flow means
Assignee: Geratebau Eberspacher OHG
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Filing: 1961-10-24
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Granted: 1964-06-16
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Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Kofink Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:00
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/165; F01D17/141; F01D9/00; F01D9/02; F01D9/04; F01D9/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A GAS TURBINE COMPRISING A CASING HAVING AN OUTER WALL DEFINING AN INLET FOR OPERATING GASES AND A VOLUTE FOR DELIVERING OPERATING GASES IN AN INWARDLY SPIRALING DIRECTION, A TURBINE WHEEL ROTATABLY MOUNTED IN SAID CASING ARRANGED FOR RECEIVING GASES DIRECTED INWARDLY BY SAID CASING AND FOR DISCHARGING GASES AXIALLY, AN INNER WALL EXTENDING FROM SAID INLET INTO SAID CASING AND DIVIDING THE OPERATING GAS FLOWING INTO SAID CASING AND TERMINATING IN A WIDENED AREA AND FORMING A FIRST NOZZLE RING COVER, SAID OUTER WALL HAVING A WIDENED AREA ADJACENT SAID INLET FORMING A SECOND NOZZLE RING COVER, AND A NOZZLE RING CONCENTRICALLY MOUNTED WITHIN SAID CASING AND SURROUNDING THE PERIPHERY OF SAID TURBINE WHEEL AND INCLUDING VANES DEFINING NOZZLES FOR DIRECTING OPERATING GASES TO SAID TURBINE WHEEL AND INCLUDING SOME AREAS WHICH ARE COVERED FOR PREVENTING OPERATING GAS FLOW
Claim 2
Dependent Claim
140 words
A GAS TURBINE COMPRISING A CASING HAVING AN OUTER WALL DEFINING AN INLET FOR OPERATING GASES AND A VOLUTE FOR DELIVERING OPERATING GASES IN AN INWARDLY SPIRALING DIRECTION, A TURBINE WHEEL ROTATABLY MOUNTED IN SAID CASING ARRANGED FOR RECEIVING GASES DIRECTED INWARDLY BY SAID CASING AND FOR DISCHARGING GASES AXIALLY, AN INNER WALL EXTENDING FROM SAID INLET INTO SAID CASING AND DIVIDING THE OPERATING GAS FLOWING INTO SAID CASING AND TERMINATING IN A WIDENED AREA AND FORMING A FIRST NOZZLE RING COVER, SAID OUTER WALL HAVING A WIDENED AREA ADJACENT SAID INLET FORMING A SECOND NOZZLE RING COVER, AND A NOZZLE RING CONCENTRICALLY MOUNTED WITHIN SAID CASING AND SURROUNDING THE PERIPHERY OF SAID TURBINE WHEEL AND INCLUDING VANES DEFINING NOZZLES FOR DIRECTING OPERATING GASES TO SAID TURBINE WHEEL AND INCLUDING SOME AREAS WHICH ARE COVERED FOR PREVENTING OPERATING GAS FLOW
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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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |