US3304052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor structure for an elastic fluid utilizing machine
Assignee: Westinghouse Electric Corp
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Filing: 1965-03-30
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Granted: 1967-02-14
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Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Warner
- 👤 Johnsson Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:39
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
AN ELASTIC FLUID UTILIZING MACHINE ROTOR STRUCTURE COMPRISING A ROTOR SHAFT HAVING A PORTION OF CIRCULAR CROSS-SECTION, A DISC MEMBER HAVING A WIDE BASE PROVIDED WITH A CIRCULAR BORE FREELY ENCOMPASSING SAID CIRCULAR SHAFT PORTION AND JOINTLY THEREWITH DEFINING AN ANNULAR CLEARANCE SPACE, SAID DISC MEMBER HAVING AN ANNULAR ROW OF BLADES, AND MEANS FOR DRIVINGLY CONNECTING SAID DISC MEMBER TO SAID SHAFT, SAID MEANS INCLUDING A RADIALLY FLEXIBLE YET TORSION RESISTANT TUBULAR MEMBER DISPOSED IN SPACED CONCENTRIC RELATION WITH SAID SHAFT PORTION AND HAVING ONE END PORTION SECURELY CONNECTED TO SAID DISC MEMBER AND ANOTHER END PORTION SECURELY CONNECTED TO AN INTEGRAL PORTION OF SAID SHAFT, SAID TUBULAR MEMBER HAVING A WIDTH LESS THAN HALF THE WIDTH OF SAID BASE PORTION.
Claim 2
Dependent Claim
122 words
AN ELASTIC FLUID UTILIZING MACHINE ROTOR STRUCTURE COMPRISING A ROTOR SHAFT HAVING A PORTION OF CIRCULAR CROSS-SECTION, A DISC MEMBER HAVING A WIDE BASE PROVIDED WITH A CIRCULAR BORE FREELY ENCOMPASSING SAID CIRCULAR SHAFT PORTION AND JOINTLY THEREWITH DEFINING AN ANNULAR CLEARANCE SPACE, SAID DISC MEMBER HAVING AN ANNULAR ROW OF BLADES, AND MEANS FOR DRIVINGLY CONNECTING SAID DISC MEMBER TO SAID SHAFT, SAID MEANS INCLUDING A RADIALLY FLEXIBLE YET TORSION RESISTANT TUBULAR MEMBER DISPOSED IN SPACED CONCENTRIC RELATION WITH SAID SHAFT PORTION AND HAVING ONE END PORTION SECURELY CONNECTED TO SAID DISC MEMBER AND ANOTHER END PORTION SECURELY CONNECTED TO AN INTEGRAL PORTION OF SAID SHAFT, SAID TUBULAR MEMBER HAVING A WIDTH LESS THAN HALF THE WIDTH OF SAID BASE PORTION.
References Cited (Backward Citations)
DE375363C
Cited
GB219655A
Cited
US1873956A
Cited
US2305768A
Cited
US2623727A
Cited
US2749086A
Cited
US2858101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |