US2732943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing impurities
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:21
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/28; B01; B01D; B01D35/00; B01D35/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
APPARATUS FOR REMOVING IMPURITIES FROM LIQUIDS COMPRISING A VANED ROTOR, A CASING FOR THE ROTOR HAVING AN INLET AND AN OUTLET FOR THE LIQUID, SAID ROTOR BEING ROTATABLY MOUNTED ON A CENTRAL VERTICAL SHAFT IN THE CASING, SAID INLET OPENING INTO THE CASING IN A TANGENTIAL DIRECTION AT THE UPPER PART OF THE VANE CIRCLE, A SLEEVE ARRANGED AT A DISTANCE AROUND THE HUB OF THE ROTOR THEREBY TO ESTABLISH AN ANNULAR CHANNEL BETWEEN THE HUB WALL AND THE CONFRONTING INNER WALL OF SAID SLEEVE, THE OUTER WALL OF SAID SLEEVE BEING LOCATED ADJACENT THE RADIALLY INNER EDGES OF THE VANES ON SAID ROTOR, SAID OUTLET BEING ARRANGED ABOVE THE SLEEVE, AND A COVER PLATE ARRANGED AT THE TOP OF THE VANE CIRCLE OUTWARDLY IN THE RADIAL DIRECTION OF THE SLEEVE SO THAT THE LIQUID ENTERING THE CASING BETWEEN THE OUTER PART OF THE VANES WILL BE CONVEYED DOWNWARDS IN THE CASING UNDER ROTATION, BEING SUBSEQUENTLY CONVEYED UPWARDS IN THE RISING CHANNELS BETWEEN THE HUB OF THE ROTOR AND THE SLEEVE TO THE OUTLET, A FINE-MESHED FILTER AT THE INLET TO THE CHANNEL, ONE OF SAID WALLS FORMING SAID CHANNEL BEING MAGNETIZED FOR THE PURPOSE OF ATTRACTING MAGNETIC IMPURITIES PASSING THROUGH THE FILTER.
Claim 2
Dependent Claim
203 words
APPARATUS FOR REMOVING IMPURITIES FROM LIQUIDS COMPRISING A VANED ROTOR, A CASING FOR THE ROTOR HAVING AN INLET AND AN OUTLET FOR THE LIQUID, SAID ROTOR BEING ROTATABLY MOUNTED ON A CENTRAL VERTICAL SHAFT IN THE CASING, SAID INLET OPENING INTO THE CASING IN A TANGENTIAL DIRECTION AT THE UPPER PART OF THE VANE CIRCLE, A SLEEVE ARRANGED AT A DISTANCE AROUND THE HUB OF THE ROTOR THEREBY TO ESTABLISH AN ANNULAR CHANNEL BETWEEN THE HUB WALL AND THE CONFRONTING INNER WALL OF SAID SLEEVE, THE OUTER WALL OF SAID SLEEVE BEING LOCATED ADJACENT THE RADIALLY INNER EDGES OF THE VANES ON SAID ROTOR, SAID OUTLET BEING ARRANGED ABOVE THE SLEEVE, AND A COVER PLATE ARRANGED AT THE TOP OF THE VANE CIRCLE OUTWARDLY IN THE RADIAL DIRECTION OF THE SLEEVE SO THAT THE LIQUID ENTERING THE CASING BETWEEN THE OUTER PART OF THE VANES WILL BE CONVEYED DOWNWARDS IN THE CASING UNDER ROTATION, BEING SUBSEQUENTLY CONVEYED UPWARDS IN THE RISING CHANNELS BETWEEN THE HUB OF THE ROTOR AND THE SLEEVE TO THE OUTLET, A FINE-MESHED FILTER AT THE INLET TO THE CHANNEL, ONE OF SAID WALLS FORMING SAID CHANNEL BEING MAGNETIZED FOR THE PURPOSE OF ATTRACTING MAGNETIC IMPURITIES PASSING THROUGH THE FILTER.
References Cited (Backward Citations)
US1301544A
Cited
US2317774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |