US3083947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: RTX Corp
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Filing: 1960-03-03
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Granted: 1963-04-02
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Expires: 1980-03-03
Abstract
No abstract record available.
Inventors
- 👤 Rex A Horrocks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:56
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; F01D5/066; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A ROTOR ASSEMBLY OF THE COMPRESSOR-TURBINE TYPE MOUNTED FOR ROTATION ABOUT AN AXIS AND GENERATING UNIDIRECTIONAL GAS PRESSURE CHANGE THROUGHOUT ITS LENGTH AXIALLY SPACED ROTOR DISCS POSITIONED ALONG SAID AXIS TO BE SUBJECTED TO SEPARATING FORCES DUE TO DISSIMILAR GAS PRESSURE CAUSED BY THE UNIDIRECTIONAL GAS PRESSURE CHANGE, A SPACER UNIT EXTENDING THEREBETWEEN AND INCLUDING A FIRST SLEEVE OF CIRCULAR CROSS-SECTION AND A SECOND SLEEVE OF CIRCULAR CROSS-SECTION POSITIONED RADIALLY FROM SAID FIRST SLEEVE, SAID SLEEVES BEING CONCENTRIC ABOUT SAID AXIS AND EACH HAVING RADIAL END FLANGES WITH THE RESPECTIVE END FLANGES OF EACH SLEEVE EXTENDING IN OPPOSITE RADIAL DIRECTIONS AND OVERLAPPING RADIALLY AND ABUTTING EACH OTHER AND SAID ROTOR DISCS AXIALLY SO THAT SAID SPACER UNIT IS OF BOX-SHAPED CROSS SECTION, AND MEANS JOINING
Claim 2
Dependent Claim
126 words
IN A ROTOR ASSEMBLY OF THE COMPRESSOR-TURBINE TYPE MOUNTED FOR ROTATION ABOUT AN AXIS AND GENERATING UNIDIRECTIONAL GAS PRESSURE CHANGE THROUGHOUT ITS LENGTH AXIALLY SPACED ROTOR DISCS POSITIONED ALONG SAID AXIS TO BE SUBJECTED TO SEPARATING FORCES DUE TO DISSIMILAR GAS PRESSURE CAUSED BY THE UNIDIRECTIONAL GAS PRESSURE CHANGE, A SPACER UNIT EXTENDING THEREBETWEEN AND INCLUDING A FIRST SLEEVE OF CIRCULAR CROSS-SECTION AND A SECOND SLEEVE OF CIRCULAR CROSS-SECTION POSITIONED RADIALLY FROM SAID FIRST SLEEVE, SAID SLEEVES BEING CONCENTRIC ABOUT SAID AXIS AND EACH HAVING RADIAL END FLANGES WITH THE RESPECTIVE END FLANGES OF EACH SLEEVE EXTENDING IN OPPOSITE RADIAL DIRECTIONS AND OVERLAPPING RADIALLY AND ABUTTING EACH OTHER AND SAID ROTOR DISCS AXIALLY SO THAT SAID SPACER UNIT IS OF BOX-SHAPED CROSS SECTION, AND MEANS JOINING
References Cited (Backward Citations)
US2618463A
Cited
US2662685A
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US2869820A
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FR1077667A
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US2847184A
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US2868439A
Cited
US2973938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |