Patent US3158007A successfully refreshed from Google Patents.
US3158007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure exchangers
Assignee: Power Jets Research and Development Ltd
•
Filing: 1961-10-16
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Granted: 1964-11-24
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Kentfield John Alan Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:12
CPC Classifications
F; F04; F04F; F04F13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A PRESSURE EXCHANGER INCORPORATING A RING OF OPENENDED CELLS, END-PLATES EFFECTIVE TO CLOSE THE ENDS OF THE CELLS BUT HAVING PORTS THEREIN FOR THE ADMISSION OF FLUID TO AND THE EXTRACTION OF FLUID FROM THE CELLS, MEANS TO EFFECT RELATIVE MOVEMENT BETWEEN THE CELLS AND THE ENDPLATES, AN INLET PORT AND AN OUTLET PORT OF THE SAID PORTS SERVING AS A LOW-PRESSURE SCAVENGING STAGE AND A FURTHER INLET PORT AND A FURTHER OUTLET PORT OF THE SAID PORTS SERVING AS A HIGHER-PRESSURE SCAVENGING STAGE, DUCTING INTERCONNECTING THE LOW-PRESSURE SCAVENGING STAGE OUTLET AND INLET PORTS, THE OPENING EDGE OF THE LOW-PRESSURE SCAVENGING STAGE INLET PORT BEING IN ADVANCE, CONSIDERED IN THE DIRECTION OF RELATIVE MOVEMENT, OF THE OPENING EDGE OF THE LOW-PRESSURE SCAVENGING STAGE OUTLET PORT AND THE LOW-PRESSURE SCAVENGING STAGE INLET PORT PROVIDING FOR A HIGHER VOLUMETRIC FLOW OF FLUID THAN THE LOW-PRESSURE SCAVENGING STAGE OUTLET PORT.
Claim 2
Dependent Claim
147 words
A PRESSURE EXCHANGER INCORPORATING A RING OF OPENENDED CELLS, END-PLATES EFFECTIVE TO CLOSE THE ENDS OF THE CELLS BUT HAVING PORTS THEREIN FOR THE ADMISSION OF FLUID TO AND THE EXTRACTION OF FLUID FROM THE CELLS, MEANS TO EFFECT RELATIVE MOVEMENT BETWEEN THE CELLS AND THE ENDPLATES, AN INLET PORT AND AN OUTLET PORT OF THE SAID PORTS SERVING AS A LOW-PRESSURE SCAVENGING STAGE AND A FURTHER INLET PORT AND A FURTHER OUTLET PORT OF THE SAID PORTS SERVING AS A HIGHER-PRESSURE SCAVENGING STAGE, DUCTING INTERCONNECTING THE LOW-PRESSURE SCAVENGING STAGE OUTLET AND INLET PORTS, THE OPENING EDGE OF THE LOW-PRESSURE SCAVENGING STAGE INLET PORT BEING IN ADVANCE, CONSIDERED IN THE DIRECTION OF RELATIVE MOVEMENT, OF THE OPENING EDGE OF THE LOW-PRESSURE SCAVENGING STAGE OUTLET PORT AND THE LOW-PRESSURE SCAVENGING STAGE INLET PORT PROVIDING FOR A HIGHER VOLUMETRIC FLOW OF FLUID THAN THE LOW-PRESSURE SCAVENGING STAGE OUTLET PORT.
References Cited (Backward Citations)
US2848871A
Cited
US2952982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |