US3295751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor stator shroud arrangement
Assignee: RTX Corp
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Filing: 1965-04-21
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Granted: 1967-01-03
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Elton J Sceggel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:15
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/541
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A STATOR CONSTRUCTION FOR A MULTISTAGE AXIAL FLOW COMPRESSOR INCLUDING A PLURALITY OF ROWS OF STATOR VANES, A PLURALITY OF SHROUD RINGS AT THE OUTER ENDS OF THE VANES, ONE FOR EACH ROW OF VANES AND IN WHICH THE VANES ARE POSITIONED TO DEFINE STATOR RING ASSEMBLIES, FOR SUPPORTING THE ROWS OF VANES IN SPACED AXIAL RELATION, SAID RINGS BEING ARRANGED IN END-TO-END RELATION AND IN ENGAGEMENT ONE WITH ANOTHER, AND A TWO-PART CASING SURROUNDING THE RINGS, ONE PART BEING SUBSTANTIALLY CYLINDRICAL WITH AN END SHOULDER AT ONE END FOR ENGAGEMENT WITH THE OUTER END OF ONE END RING, AND THE OTHER CASING PART HAVING A FLANGE ADJACENT TO THE OUTER END OF THE OTHER END SHROUD RING, SAID OTHER END SHROUD RING HAVING A COOPERATING RADIAL SURFACE ADJACENT TO AND IN AXIAL ALIGNMENT WITH SAID FLANGE, AN AXIALLY-ACTING SPRING BETWEEN SAID FLANGE AND SAID RADIAL SURFACE TO URGE SAID RINGS INTO ENDWISE CONTACT AND MEANS FOR HOLDING SAID CASING PARTS TOGETHER AXIALLY, SAID SPRING BEING LOCATED SUBSTANTIALLY IN AXIAL ALIGNMENT WITH THE SHROUD RINGS.
Claim 2
Dependent Claim
175 words
A STATOR CONSTRUCTION FOR A MULTISTAGE AXIAL FLOW COMPRESSOR INCLUDING A PLURALITY OF ROWS OF STATOR VANES, A PLURALITY OF SHROUD RINGS AT THE OUTER ENDS OF THE VANES, ONE FOR EACH ROW OF VANES AND IN WHICH THE VANES ARE POSITIONED TO DEFINE STATOR RING ASSEMBLIES, FOR SUPPORTING THE ROWS OF VANES IN SPACED AXIAL RELATION, SAID RINGS BEING ARRANGED IN END-TO-END RELATION AND IN ENGAGEMENT ONE WITH ANOTHER, AND A TWO-PART CASING SURROUNDING THE RINGS, ONE PART BEING SUBSTANTIALLY CYLINDRICAL WITH AN END SHOULDER AT ONE END FOR ENGAGEMENT WITH THE OUTER END OF ONE END RING, AND THE OTHER CASING PART HAVING A FLANGE ADJACENT TO THE OUTER END OF THE OTHER END SHROUD RING, SAID OTHER END SHROUD RING HAVING A COOPERATING RADIAL SURFACE ADJACENT TO AND IN AXIAL ALIGNMENT WITH SAID FLANGE, AN AXIALLY-ACTING SPRING BETWEEN SAID FLANGE AND SAID RADIAL SURFACE TO URGE SAID RINGS INTO ENDWISE CONTACT AND MEANS FOR HOLDING SAID CASING PARTS TOGETHER AXIALLY, SAID SPRING BEING LOCATED SUBSTANTIALLY IN AXIAL ALIGNMENT WITH THE SHROUD RINGS.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |