US2535140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal separator
Assignee: Universal Oil Products Co
•
Filing: 1946-09-13
•
Granted: 1950-12-26
•
Expires: 1966-09-13
Abstract
No abstract record available.
Inventors
- 👤 Louis S Kassel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:36
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/005; B01J8/0055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
APPARATUS OF THE TYPE DESCRIBED COMPRISING IN COMBINATION A CONTACE CHAMBER, SAID CHAMBER HAVING INLET AND OUTLET MEANS AND BEING ARRANGED FOR CONTACTING GASES AND FINELY DIVIDED SOLID PARTICLES, A CENTRIFUGAL TYPE SEPARATOR AT THE GAS OUTLET OF SAID CONTACT CHAMBER, A SOLID PARTICLE RETURN LINE PASSING FROM SAID SEPARATOR TO THE INTERIOR OF SAID CONTACT CHAMBER, A STANDPIPE COMMUNICATING AT AN INTERMEDIATE POINT IN THE HEIGHT THEREOF WITH THE LOWER END OF SAID SOLID PARTICLE RETURN LINE, JET PUMPING MEANS MOUNTED ACROSS THE UPPER END OF SAID STANDPIPE, A CONDUIT CONNECTING TO SAID PUMPING MEANS WITH THE LATTER ADAPTED TO RECEIVE AND PASS A FLOW STREAM THERETHROUGH AND OPERATING TO WITHDRAW GAS FLOWING UPWARDLY THROUGH SAID SOLID PARTICLE RETURN LINE WHILE PERMITTING GRAVITY DESCENT OF SOLID PARTICLES THROUGH SAID RETURN LINE AND SAID STANDPIPE TO THE INTERIOR FROM SAID CONTACT CHAMBER.
Claim 2
Dependent Claim
142 words
APPARATUS OF THE TYPE DESCRIBED COMPRISING IN COMBINATION A CONTACE CHAMBER, SAID CHAMBER HAVING INLET AND OUTLET MEANS AND BEING ARRANGED FOR CONTACTING GASES AND FINELY DIVIDED SOLID PARTICLES, A CENTRIFUGAL TYPE SEPARATOR AT THE GAS OUTLET OF SAID CONTACT CHAMBER, A SOLID PARTICLE RETURN LINE PASSING FROM SAID SEPARATOR TO THE INTERIOR OF SAID CONTACT CHAMBER, A STANDPIPE COMMUNICATING AT AN INTERMEDIATE POINT IN THE HEIGHT THEREOF WITH THE LOWER END OF SAID SOLID PARTICLE RETURN LINE, JET PUMPING MEANS MOUNTED ACROSS THE UPPER END OF SAID STANDPIPE, A CONDUIT CONNECTING TO SAID PUMPING MEANS WITH THE LATTER ADAPTED TO RECEIVE AND PASS A FLOW STREAM THERETHROUGH AND OPERATING TO WITHDRAW GAS FLOWING UPWARDLY THROUGH SAID SOLID PARTICLE RETURN LINE WHILE PERMITTING GRAVITY DESCENT OF SOLID PARTICLES THROUGH SAID RETURN LINE AND SAID STANDPIPE TO THE INTERIOR FROM SAID CONTACT CHAMBER.
References Cited (Backward Citations)
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US2414641A
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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) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |