US3325978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaners for fluids, particularly gases
Assignee: Federal Mogul Sealing Systems Slough Ltd
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Filing: 1964-07-27
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Granted: 1967-06-20
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Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 Rymer Jesse Talbot
- 👤 Witchell Stanley Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:28
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/24; B01D46/2403; B01D46/2411; B01D46/0039; B01D46/0041; B01D46/0043; B01D46/42; B01D46/4272; B01D46/52; B01D46/521; B01D46/66; B01D46/70; B01D46/71; B01D46/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
232 words
A CLEANER FOR THE REMOVAL OF IMPURITIES FROM A FLUID STREAM, COMPRISING, IN COMBINATION, A FILTER ELEMENT HAVING A TUBULAR MEMBER CONSISTING OF A CONTINUOUS PERVIOUS FILTER WALL HAVING A CENTRAL AXIS FORMED WITH SPACED RADIAL LONGITUDINALLY EXTENDING PLEATS, TWO CAPS MOULDED RESPECTIVELY TO THE ENDS OF SAID TUBULAR MEMBER TO COVER THE ENDS OF SAID PLEATS, AND A PLURALITY OF SCOOPS DISTRIBUTED AROUND THE INSIDE OF SAID TUBULAR MEMBER SO AS TO COVER ONE FACE THEREOF, EACH OF SID SCOOPS EXTENDING LONGITUDINALLY FROM ONE OF SAID CAPS SUBSTANTIALLY TO THE OTHER OF SAID CAPS AND BEING OPEN TO SAID WALL ALONG ITS LENGTH FOR COMMUNICATION THEREBETWEEN, AND EACH OF SAID SCOOPS BEING OPEN AT ONE END CLOSED AT THE OTHER END, AND TAPERED SO THAT ITS CROSS-SECTIONAL AREA DIMINISHES CONTINUOUSLY FROM ITS OPEN END TO ITS CLOSED END, THE CLEANER FURTHER INCLUDING A NOZZLE MOUNTED FOR ROTATION ABOUT SAID CENTRAL AXIS UPSTREAM OF SAID SCOOPS, SAID NOZZLE HAVING AN INLET END AND SAID NOZZLE HAVING AN OUTLET END OF SUBSTANTIALLY THE SAME SHAPE AND SIZE AS THE OPEN END OF EACH OF SAID SCOOPS, MEANS ROTATABLY MOUNTING SAID NOZZLE FOR ROTATION TO SUCCESSIVELY TRAVERSE THE OPEN ENDS OF SAID SCOOPS, A MOTOR MEANS CONNECTED TO SAID NOZZLE OPERATE TO TRAVERSE SAID NOZZLE SUCCESSIVELY INTO ALIGNMENT WITH EACH SCOOP AND MEANS ADAPTED TO CONTROL THE DELIVERY OF FLUID PULSES THROUGH SAID NOZZLE
Claim 2
Dependent Claim
232 words
A CLEANER FOR THE REMOVAL OF IMPURITIES FROM A FLUID STREAM, COMPRISING, IN COMBINATION, A FILTER ELEMENT HAVING A TUBULAR MEMBER CONSISTING OF A CONTINUOUS PERVIOUS FILTER WALL HAVING A CENTRAL AXIS FORMED WITH SPACED RADIAL LONGITUDINALLY EXTENDING PLEATS, TWO CAPS MOULDED RESPECTIVELY TO THE ENDS OF SAID TUBULAR MEMBER TO COVER THE ENDS OF SAID PLEATS, AND A PLURALITY OF SCOOPS DISTRIBUTED AROUND THE INSIDE OF SAID TUBULAR MEMBER SO AS TO COVER ONE FACE THEREOF, EACH OF SID SCOOPS EXTENDING LONGITUDINALLY FROM ONE OF SAID CAPS SUBSTANTIALLY TO THE OTHER OF SAID CAPS AND BEING OPEN TO SAID WALL ALONG ITS LENGTH FOR COMMUNICATION THEREBETWEEN, AND EACH OF SAID SCOOPS BEING OPEN AT ONE END CLOSED AT THE OTHER END, AND TAPERED SO THAT ITS CROSS-SECTIONAL AREA DIMINISHES CONTINUOUSLY FROM ITS OPEN END TO ITS CLOSED END, THE CLEANER FURTHER INCLUDING A NOZZLE MOUNTED FOR ROTATION ABOUT SAID CENTRAL AXIS UPSTREAM OF SAID SCOOPS, SAID NOZZLE HAVING AN INLET END AND SAID NOZZLE HAVING AN OUTLET END OF SUBSTANTIALLY THE SAME SHAPE AND SIZE AS THE OPEN END OF EACH OF SAID SCOOPS, MEANS ROTATABLY MOUNTING SAID NOZZLE FOR ROTATION TO SUCCESSIVELY TRAVERSE THE OPEN ENDS OF SAID SCOOPS, A MOTOR MEANS CONNECTED TO SAID NOZZLE OPERATE TO TRAVERSE SAID NOZZLE SUCCESSIVELY INTO ALIGNMENT WITH EACH SCOOP AND MEANS ADAPTED TO CONTROL THE DELIVERY OF FLUID PULSES THROUGH SAID NOZZLE
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |