US3239193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid machines
Assignee: English Electric Co Ltd
•
Filing: 1963-06-20
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Granted: 1966-03-08
•
Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 Kerensky Gleb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:18
CPC Classifications
F; F03; F03B; F03B11/00; F03B11/006; Y; Y02; Y02E; Y02E10/00; Y02E10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A ROTARY FLUID MACHINE INCLUDING A RUNNER HAVING A HIGH-PRESSURE END AND A LOW-PRESSURE END, RUNNER BLADES, A SHROUD AT THE PERIPHERY OF SAID BLADES, AND STATOR STRUCTURE SURROUNDING SAID SHROUD TO DEFINE THEREWITH AN ANNULAR SPACE, SAID RUNNER AND STATOR STRUCTURE DEFINING A WORKING FLUID PASSAGE THERETHROUGH, IN COMBINATION, SEALING MEANS BETWEEN SAID RUNNER AND SAID STATOR STRUCTURE AT THE END OF SAID ANNULAR SPACE ADJACENT SAID LOW-PRESSURE END OF THE RUNNER, SAID SEALING MEANS COMPRISING COOPERATING PARTS ON SAID RUNNER AND ON SAID STATOR STRUCTURE AND CONDUIT MEANS TO SUPPLY LIQUID UNDER PRESSURE TO SAID CO-OPERATING PARTS WHEREBY TO PREVENT THE ESCAPE OF GAS FROM SAID SPACE BETWEEN SAID CO-OPERATING PARTS, MEANS TO SUPPLY GAS UNDER PRESSURE TO SAID SPACE, SAID STATOR STRUCTURE INCLUDING MEANS DEFINING AN ANNULAR COLLECTOR CHAMBER ADJACENT SAID HIGH-PRESSURE END OF THE RUNNER AND FURTHER DEFINING A DEFLECTOR LIP WHICH CLOSELY SURROUNDS AND RADIALLY OVERLAPS SAID SHROUD, WHEREBY TO DEFLECT LEAKAGE FLUID FLOWING BETWEEN SAID SHROUD AND
Claim 2
Dependent Claim
164 words
IN A ROTARY FLUID MACHINE INCLUDING A RUNNER HAVING A HIGH-PRESSURE END AND A LOW-PRESSURE END, RUNNER BLADES, A SHROUD AT THE PERIPHERY OF SAID BLADES, AND STATOR STRUCTURE SURROUNDING SAID SHROUD TO DEFINE THEREWITH AN ANNULAR SPACE, SAID RUNNER AND STATOR STRUCTURE DEFINING A WORKING FLUID PASSAGE THERETHROUGH, IN COMBINATION, SEALING MEANS BETWEEN SAID RUNNER AND SAID STATOR STRUCTURE AT THE END OF SAID ANNULAR SPACE ADJACENT SAID LOW-PRESSURE END OF THE RUNNER, SAID SEALING MEANS COMPRISING COOPERATING PARTS ON SAID RUNNER AND ON SAID STATOR STRUCTURE AND CONDUIT MEANS TO SUPPLY LIQUID UNDER PRESSURE TO SAID CO-OPERATING PARTS WHEREBY TO PREVENT THE ESCAPE OF GAS FROM SAID SPACE BETWEEN SAID CO-OPERATING PARTS, MEANS TO SUPPLY GAS UNDER PRESSURE TO SAID SPACE, SAID STATOR STRUCTURE INCLUDING MEANS DEFINING AN ANNULAR COLLECTOR CHAMBER ADJACENT SAID HIGH-PRESSURE END OF THE RUNNER AND FURTHER DEFINING A DEFLECTOR LIP WHICH CLOSELY SURROUNDS AND RADIALLY OVERLAPS SAID SHROUD, WHEREBY TO DEFLECT LEAKAGE FLUID FLOWING BETWEEN SAID SHROUD AND
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |