Patent DE431474C successfully refreshed from Google Patents.
US3126149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamed aluminum honeycomb motor
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/08; F01D11/12; F01D11/122; F01D11/125; F05; F05D; F05D2300/00; F05D2300/60; F05D2300/612; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49323; Y10T29/49826; Y10T29/49861; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24157
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN AXIAL-FLOW COMPRESSOR FOR USE IN A TURBOJET ENGINE, SAID COMPRESSOR COMPRISING, A ROTOR ASSEMBLY HAVING A PLURALITY OF CIRCUMFERENTIALLY EXTENDING ROWS OF BLADES THEREON, AN OUTER CASING SURROUNDING SAID ROTOR ASSEMBLY, SAID OUTER CASING BEING PROVIDED WITH A PLURALITY OF ANNULAR SHROUD SECTIONS ON THE INNER WALL THEREOF, EACH OF SAID SHROUD SECTIONS FORMING A LINING IN AXIAL ALIGN-/ MENT WITH A CORRESPONDING ROW OF ROTOR BLADES, SAID LINING HAVING A SKELETAL FRAMEWORK OF HONEYCOMB CONFIGURATION ON HE INNER FACE THEREOF, A FOAMED MATERIAL CONSISTING OF A MIXTURE OF SODIUM SILICATE AND ALUMINUM INSERTABLE INTO OPENINGS IN SAID HONEYCOMB LINING TO FORM AN ABRADING SURFACE THEREON, SAID FOAMED MATERIAL HAVING A MELTING POINT HIGHER THAN THE TEMPERATURES GENERATED DURING OPERATIONS OF SAID TURBOJET ENGINE, EACH OF SAID ANNULAR SHROUD SECTIONS BEING COMPRISED OF A SERIES OF ARCUATE MEMBERS JOINED TOGETHER AT THEIR TERMINAL ENDS, EACH OF SAID ARCUATE MEMBERS HAVING AN UPSOTANDING OPEN RECTANGULAR CROSS SECTION BRACKET FIXEDLY ATTACHED TO ONE
Claim 2
Dependent Claim
162 words
AN AXIAL-FLOW COMPRESSOR FOR USE IN A TURBOJET ENGINE, SAID COMPRESSOR COMPRISING, A ROTOR ASSEMBLY HAVING A PLURALITY OF CIRCUMFERENTIALLY EXTENDING ROWS OF BLADES THEREON, AN OUTER CASING SURROUNDING SAID ROTOR ASSEMBLY, SAID OUTER CASING BEING PROVIDED WITH A PLURALITY OF ANNULAR SHROUD SECTIONS ON THE INNER WALL THEREOF, EACH OF SAID SHROUD SECTIONS FORMING A LINING IN AXIAL ALIGN-/ MENT WITH A CORRESPONDING ROW OF ROTOR BLADES, SAID LINING HAVING A SKELETAL FRAMEWORK OF HONEYCOMB CONFIGURATION ON HE INNER FACE THEREOF, A FOAMED MATERIAL CONSISTING OF A MIXTURE OF SODIUM SILICATE AND ALUMINUM INSERTABLE INTO OPENINGS IN SAID HONEYCOMB LINING TO FORM AN ABRADING SURFACE THEREON, SAID FOAMED MATERIAL HAVING A MELTING POINT HIGHER THAN THE TEMPERATURES GENERATED DURING OPERATIONS OF SAID TURBOJET ENGINE, EACH OF SAID ANNULAR SHROUD SECTIONS BEING COMPRISED OF A SERIES OF ARCUATE MEMBERS JOINED TOGETHER AT THEIR TERMINAL ENDS, EACH OF SAID ARCUATE MEMBERS HAVING AN UPSOTANDING OPEN RECTANGULAR CROSS SECTION BRACKET FIXEDLY ATTACHED TO ONE
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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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |