US3322336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clarifying centrifuge
Assignee: Sulzer Escher Wyss AG
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Filing: 1965-06-16
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Granted: 1967-05-30
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Expires: 1985-06-16
Abstract
No abstract record available.
Inventors
- 👤 Lohse Wilhelm
- 👤 Ettishofen Post
- 👤 Gene Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:08
CPC Classifications
B; B04; B04B; B04B11/00; B04B11/02; B04B1/00; B04B1/20; B04B11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A CENTRIFUGE ROTOR FOR SEPARATING A SUSPENSION INTO LIQUID AND SOLID COMPRISING A SHAFT; A FLARING SOLID SURFACE DRUM MOUNTED ON SAID SHAFT COAXIALLY THEREWITH; AT LEAST TWO ANNULAR PARTITIONS ARRANGED WITHIN SAID DRUM COAXIALLY THEREWITH; SAID PARTITIONS FORMING CONSECUTIVE SEPARATING CHAMBERS FOR THE SUSPENSION WITHIN SAID DRUM; EACH OF SAID PARTITIONS LEAVING BETWEEN ITS OUTER BOUNDARY AND THE DRUM A GAP FOR THE DISCHARGED OF DEPOSITED SOLID ALONG THE INNER DRUM SURFACE TOWARD THE WIDER END OF THE DRUM AND HAVING AN OVERFLOW FOR THE LIQUID AT A POINT SITUATED CLOSER TO THE DRUM AXIS THAN SAID DISCHARGE GAP; MEANS FOR SUPPLYING THE SUSPENSION TO THE SEPARATING CHAMBER SITUATED NEAREST TO THE OTHER END OF SAID DRUM; AND MEANS FOR DISCHARGCLARIFIED LIQUID FROM THE SEPARATING CHAMBER SITUATED NEAREST TO THE OTHER END OF SAID DRUM; AND MEANS FOR DISCHARGING THE DEPOSITED SOLID FROM THE WIDER END OF THE FLARING DRUM.
Claim 2
Dependent Claim
151 words
A CENTRIFUGE ROTOR FOR SEPARATING A SUSPENSION INTO LIQUID AND SOLID COMPRISING A SHAFT; A FLARING SOLID SURFACE DRUM MOUNTED ON SAID SHAFT COAXIALLY THEREWITH; AT LEAST TWO ANNULAR PARTITIONS ARRANGED WITHIN SAID DRUM COAXIALLY THEREWITH; SAID PARTITIONS FORMING CONSECUTIVE SEPARATING CHAMBERS FOR THE SUSPENSION WITHIN SAID DRUM; EACH OF SAID PARTITIONS LEAVING BETWEEN ITS OUTER BOUNDARY AND THE DRUM A GAP FOR THE DISCHARGED OF DEPOSITED SOLID ALONG THE INNER DRUM SURFACE TOWARD THE WIDER END OF THE DRUM AND HAVING AN OVERFLOW FOR THE LIQUID AT A POINT SITUATED CLOSER TO THE DRUM AXIS THAN SAID DISCHARGE GAP; MEANS FOR SUPPLYING THE SUSPENSION TO THE SEPARATING CHAMBER SITUATED NEAREST TO THE OTHER END OF SAID DRUM; AND MEANS FOR DISCHARGCLARIFIED LIQUID FROM THE SEPARATING CHAMBER SITUATED NEAREST TO THE OTHER END OF SAID DRUM; AND MEANS FOR DISCHARGING THE DEPOSITED SOLID FROM THE WIDER END OF THE FLARING DRUM.
References Cited (Backward Citations)
US1640707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |