US3085400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling fluid impeller for elastic fluid turbines
Assignee: General Electric Co
•
Filing: 1959-03-23
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Granted: 1963-04-16
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Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 Sonder Gerhard
- 👤 Leis Robert Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:37
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/16; F02C7/18; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/321
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
162 words
A COOLING FLUID VANE FOR USE IN AN ELASTIC FLUID TURBINE ENGINE OF THE TYPE COMPRISING A BLADED HOLLOW COMPRESSOR ROTOR HAVING AN INTERIOR CONCAVE SURFACE OF REVOLUTION, COMBUSTION PRODUCTS GENERATION MEANS, AND A TURBINE WHEEL, ARRANGED IN SERIAL FLUID FLOW RELATION; SAID TURBINE WHEEL CONSTRUCTED AND ARRANGED TO ROTATIVELY DRIVE SAID COMPRESSOR, BLEED OPENINGS IN SAID COMPRESSOR ROTOR FOR BLEEDING COOLING FLUID THEREFROM, AND DUCT MEANS IN FLUID COMMUNICATION WITH SAID BLEED OPENINGS TO CONDUCT COOLING FLUID TO SAID TURBINE WHEEL; SAID COOLING FLUID VANE BEING FORMED WITH A PLANAR PORTION AND A MOUNTING WEB EXTENDING TRANSVERSELY TO SAID PLANAR PORTION, SAID MOUNTING WEB BEING FORMED WITH A CONVEX SURFACE OF REVOLUTION CONFORMING TO SAID INTERIOR SURFACE OF SAID HOLLOW COMPRESSOR ROTOR, AND FASTENING MEANS LOCATING SAID SURFACE OF SAID MOUNTING WEB IN ABUTMENT UPON SAID INTERNAL SURFACE, WHEREBY SAID VANE PROJECTS INTO SAID HOLLOW ROTOR TO PREVENT FREE VORTEX FLOW OF SAID COOLING FLUID ABOUT THE INTERIOR OF SAID ROTOR.
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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) | 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 |