US3094828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal dust separator
Assignee: Sharples Corp
•
Filing: 1958-08-11
•
Granted: 1963-06-25
•
Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 Robert E Payne
- 👤 Fred P Gooch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:16
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B01D45/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
APPARATUS COMPRISING A ROTOR, SAID ROTOR BEING BELLSHAPED, VANES ON THE OUTER SURFACES OF SAID ROTOR ARRANGED GENERALLY LONGITUDINALLY THEREOF, MEANS FOR ROTATING SAID ROTOR, SAID VANES BEING INCLINED TOWARD THE DIRECTION OF ROTATION OF SAID ROTOR, A BELL-SHAPED HOUSING SURROUNDING SAID VANES, SAID HOUSING HAVING AN INLET AND AN OUTLET, AN ANNULAR OUTLET FOR PARTICLES AROUND THE OUTLET FOR SAID HOUSING AND POSITIONED IN THE PATH OF SEPARATED PARTICLES EJECTED BY SAID ROTOR, A SECOND HOUSING DOWNSTREAM FROM AND SURROUNDING SAID FIRST HOUSING FOR THE FLOW THERETHROUGH OF SAID GAS, A PLURALITY OF SPACED STATIONARY GENERALLY FLAT ANNULI ARRANGED LONGITUDINALLY OF AND AROUND THE PATH OF FLOW OF GAS THROUGH SAID SECOND HOUSING, SAID ANNULI PROGRESSIVELY DECREASING IN INNER
Claim 2
Dependent Claim
120 words
APPARATUS COMPRISING A ROTOR, SAID ROTOR BEING BELLSHAPED, VANES ON THE OUTER SURFACES OF SAID ROTOR ARRANGED GENERALLY LONGITUDINALLY THEREOF, MEANS FOR ROTATING SAID ROTOR, SAID VANES BEING INCLINED TOWARD THE DIRECTION OF ROTATION OF SAID ROTOR, A BELL-SHAPED HOUSING SURROUNDING SAID VANES, SAID HOUSING HAVING AN INLET AND AN OUTLET, AN ANNULAR OUTLET FOR PARTICLES AROUND THE OUTLET FOR SAID HOUSING AND POSITIONED IN THE PATH OF SEPARATED PARTICLES EJECTED BY SAID ROTOR, A SECOND HOUSING DOWNSTREAM FROM AND SURROUNDING SAID FIRST HOUSING FOR THE FLOW THERETHROUGH OF SAID GAS, A PLURALITY OF SPACED STATIONARY GENERALLY FLAT ANNULI ARRANGED LONGITUDINALLY OF AND AROUND THE PATH OF FLOW OF GAS THROUGH SAID SECOND HOUSING, SAID ANNULI PROGRESSIVELY DECREASING IN INNER
References Cited (Backward Citations)
US66370A
Cited
US162498A
Cited
DE375082C
Cited
US1480685A
Cited
US1941449A
Cited
FR856743A
Cited
DE750303C
Cited
US2465625A
Cited
US2593294A
Cited
US2661076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |