US3098036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Classifying apparatus
Assignee: Babcock International Ltd
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Filing: 1960-08-18
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Granted: 1963-07-16
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Expires: 1980-08-18
Abstract
No abstract record available.
Inventors
- 👤 Neumann Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:03
CPC Classifications
B; B04; B04C; B04C5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
APPARATUS FOR SEPARATING THE COARSE PARTICLES FROM AN AIR-BORNE STREAM OF MIXED FINE AND COARSE PARTICLE MATERIALS WHICH COMPRISES A SEOPARATOR HAVING A CYLINDRICAL WALL FORMING AN UPPER END PORTION MERGING WITH THE OF AN INVERTED FRUSTO-CONCIAL WALL FORMING A LOWER PORTION THEREOF, SAID CYLINDRICAL AND INVERTED FRUSTO-CONCILA WALL PORTIONS HAVING A COMMON SUBSTANTIALLY UPRIGHT AXIS, A CYLINDRICAL OUTLET DUCT COAXIAL WITH AND OF LESSER DIAMETER THAN THE CYLINDRICAL PORTION OF SAID SEPARATOR, SAID OUTLET DUCT EXTENDING THROUGH CYLINDRICAL PORTION AND OPENING INTO THE FRUSTO-CONCIAL PORTION OF SAID SEPARATOR, MEANS FOR THE ADMISSION OF SAID AIR-BORNE MATERIAL INTO SAID SEPARATOR WITH A TANGENTIAL COMPONENT OF MOTION TO EFFECT A WHIRLING MOTION THEREIN, MEANS FOR INTERRUPTING THE PERIPHERAL PORTIONS OF SAID WHIRLING STREAM OF AIR-BORNE MATERIAL ONLY IN AND TO DIRECT THE COARSER PARTICLES OF SAID MATERIAL ONLY ALONG THE WALL OF SAID FRUSTOCONICAL PORTION AND OUT OF THE WHIRLING STREAM OF THE FINER AIR-BORNE MATERIAL MOVING TOWARD SAID OUTLET DUCT, AND ANNULAR SEALING DISCHARGE MEANS AT THE LOWER END OF SAID INVERTED FRUSTO-CONCIAL PORTION FOR THE DISCHARGE OF COARSE MATERIAL FROM SAID SEPARATOR.
Claim 2
Dependent Claim
183 words
APPARATUS FOR SEPARATING THE COARSE PARTICLES FROM AN AIR-BORNE STREAM OF MIXED FINE AND COARSE PARTICLE MATERIALS WHICH COMPRISES A SEOPARATOR HAVING A CYLINDRICAL WALL FORMING AN UPPER END PORTION MERGING WITH THE OF AN INVERTED FRUSTO-CONCIAL WALL FORMING A LOWER PORTION THEREOF, SAID CYLINDRICAL AND INVERTED FRUSTO-CONCILA WALL PORTIONS HAVING A COMMON SUBSTANTIALLY UPRIGHT AXIS, A CYLINDRICAL OUTLET DUCT COAXIAL WITH AND OF LESSER DIAMETER THAN THE CYLINDRICAL PORTION OF SAID SEPARATOR, SAID OUTLET DUCT EXTENDING THROUGH CYLINDRICAL PORTION AND OPENING INTO THE FRUSTO-CONCIAL PORTION OF SAID SEPARATOR, MEANS FOR THE ADMISSION OF SAID AIR-BORNE MATERIAL INTO SAID SEPARATOR WITH A TANGENTIAL COMPONENT OF MOTION TO EFFECT A WHIRLING MOTION THEREIN, MEANS FOR INTERRUPTING THE PERIPHERAL PORTIONS OF SAID WHIRLING STREAM OF AIR-BORNE MATERIAL ONLY IN AND TO DIRECT THE COARSER PARTICLES OF SAID MATERIAL ONLY ALONG THE WALL OF SAID FRUSTOCONICAL PORTION AND OUT OF THE WHIRLING STREAM OF THE FINER AIR-BORNE MATERIAL MOVING TOWARD SAID OUTLET DUCT, AND ANNULAR SEALING DISCHARGE MEANS AT THE LOWER END OF SAID INVERTED FRUSTO-CONCIAL PORTION FOR THE DISCHARGE OF COARSE MATERIAL FROM SAID SEPARATOR.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |