US3190542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure exchangers
Assignee: Power Jets Research and Development Ltd
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Filing: 1962-01-15
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Granted: 1965-06-22
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Vickery John Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:53
CPC Classifications
F; F04; F04F; F04F13/00; F02; F02B; F02B33/00; F02B33/32; F02B33/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
A PRESSURE EXCHANGER, INCLUDING: (A) AN OPEN-ENDED CELL RING; (B) A STATIONARY STRUCTURE EFFECTIVE TO CLOSE THE ENDS OF THE CELLS BUT HAVING THEREIN PASSAGES, EACH WITH AN ENTRY OPENING AT ONE END AND AN EXIT OPENING AT THE OTHER, TO PROVIDE MEANS OF COMMUNICATION WITH THE CELLS; (C) MEANS TO ROTATE THE CELL RING; (D) MEANS DEFINING EXTERNAL DUCTS, EACH WITH AN ENTRY OPENING AT ONE END AND AN EXIT OPENING AT THE OTHER, MOUNTED ON THE STATIONARY STRUCTURE IN COMMUNICATION WITH THE PASSAGES; (E) MEANS DEFINING A PAIR OF CO-AXIAL CYLINDRICAL SEALING SURFACES ON THE STATIONARY STRUCTURE ARRANGED AROUND THE AXIS THEREOF AND SPACED APART AXIALLY THEREALONG WITH AN OPENING OF A PASSAGE IN BETWEEN; (F) MEANS DEFINING A PAIR OF CO-AXIAL CYLINDRICAL SEALING SURFACES ON AT LEAST ONE OF THE INTERNAL DUCT DEFINING MEANS ADJACENT ONE END THEREOF AND WITH THE OPENING AT SID END IN BETWEEN THE SEALING SURFACES FORMING THE PAIR; (G) THE SEALING SURFACES ON THE STATIONARY STRUCTURES AND ON THE EXTERNAL DUCT DEFINING MEANS CO-OPERATING TO PERMIT RELATIVE ADJUSTMENT BETWEEN THE EXTERNAL DUCT DEFINING MEANS AND THE STATIONARY STRUCTURE BOTH IN THE DIRECTION OF AND ANGULARLY ABOUT THE AXIS OF THE STATIONARY STRUCTURE, WHILST MAINTAINING AN EFFECTIVE SEAL BETWEEN THE SURFACES.
Claim 2
Dependent Claim
208 words
A PRESSURE EXCHANGER, INCLUDING: (A) AN OPEN-ENDED CELL RING; (B) A STATIONARY STRUCTURE EFFECTIVE TO CLOSE THE ENDS OF THE CELLS BUT HAVING THEREIN PASSAGES, EACH WITH AN ENTRY OPENING AT ONE END AND AN EXIT OPENING AT THE OTHER, TO PROVIDE MEANS OF COMMUNICATION WITH THE CELLS; (C) MEANS TO ROTATE THE CELL RING; (D) MEANS DEFINING EXTERNAL DUCTS, EACH WITH AN ENTRY OPENING AT ONE END AND AN EXIT OPENING AT THE OTHER, MOUNTED ON THE STATIONARY STRUCTURE IN COMMUNICATION WITH THE PASSAGES; (E) MEANS DEFINING A PAIR OF CO-AXIAL CYLINDRICAL SEALING SURFACES ON THE STATIONARY STRUCTURE ARRANGED AROUND THE AXIS THEREOF AND SPACED APART AXIALLY THEREALONG WITH AN OPENING OF A PASSAGE IN BETWEEN; (F) MEANS DEFINING A PAIR OF CO-AXIAL CYLINDRICAL SEALING SURFACES ON AT LEAST ONE OF THE INTERNAL DUCT DEFINING MEANS ADJACENT ONE END THEREOF AND WITH THE OPENING AT SID END IN BETWEEN THE SEALING SURFACES FORMING THE PAIR; (G) THE SEALING SURFACES ON THE STATIONARY STRUCTURES AND ON THE EXTERNAL DUCT DEFINING MEANS CO-OPERATING TO PERMIT RELATIVE ADJUSTMENT BETWEEN THE EXTERNAL DUCT DEFINING MEANS AND THE STATIONARY STRUCTURE BOTH IN THE DIRECTION OF AND ANGULARLY ABOUT THE AXIS OF THE STATIONARY STRUCTURE, WHILST MAINTAINING AN EFFECTIVE SEAL BETWEEN THE SURFACES.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |