US2743898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic valve for control of fluid or fluidized solids flow
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-10-30
•
Granted: 1956-05-01
•
Expires: 1973-10-30
Abstract
No abstract record available.
Inventors
- 👤 Jr William H King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:52
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN CONDUIT DEFINING A FLOW PATH FOR FLUIDS AND FOR SUBSTANTIALLY NON-MAGNETIZABLE FLUIDIZED SOLIDS, A MEANS FOR CONTROLLING FLOW THROUGH SAID CONDUIT, COMPRISING A LONGITUDINALLY LIMITED SECTION OF SAID CONDUIT, A SERIES OF AT LEAST TWO MAGNETS DISPOSED EXTERIORLY OF SAID CONDUIT IN SPACED RELATION ONE TO ANOTHER LONGITUDINALLY OF SAID CONDUIT SECTION AND INTERMEDIATE THE ENDS THEREOF, EACH OF SAID MAGNETS ADAPTED TO ESTABLISH A MAGNETIC FIELD THROUGH SAID SECTION, A PLURALITY OF DISCRETE, MAGNETIZABLE, SOLID PARTICLES DISPOSED WITHIN SAID CONDUIT SECTION, AND SUBSTANTIALLY MAINTAINED THEREIN SUBJECT TO THE FORCE FIELDS OF SAID MAGNETS, AND MEANS FOR VARYING THE TOTAL FORCE OF SAID MAGNETIC FIELDS AND OF THE INDIVIDUAL MAGNETIC FIELDS SO AS TO VARY THE DISTRIBUTION PATTERN OF SAID PARTICLES BETWEEN A SUBSTANTIALLY ANNULAR PATTERN ADAPTED TO PASS FLUIDS AND FLUIDIZED NON-MAGNETIC SOLIDS THROUGH SAID SECTION, AND A SUBSTANTIALLY DIAMETRIC PATTERN ADAPTED TO INTERCEPT SAID FLUIDS AND FLUIDIZED SOLIDS.
Claim 2
Dependent Claim
151 words
IN CONDUIT DEFINING A FLOW PATH FOR FLUIDS AND FOR SUBSTANTIALLY NON-MAGNETIZABLE FLUIDIZED SOLIDS, A MEANS FOR CONTROLLING FLOW THROUGH SAID CONDUIT, COMPRISING A LONGITUDINALLY LIMITED SECTION OF SAID CONDUIT, A SERIES OF AT LEAST TWO MAGNETS DISPOSED EXTERIORLY OF SAID CONDUIT IN SPACED RELATION ONE TO ANOTHER LONGITUDINALLY OF SAID CONDUIT SECTION AND INTERMEDIATE THE ENDS THEREOF, EACH OF SAID MAGNETS ADAPTED TO ESTABLISH A MAGNETIC FIELD THROUGH SAID SECTION, A PLURALITY OF DISCRETE, MAGNETIZABLE, SOLID PARTICLES DISPOSED WITHIN SAID CONDUIT SECTION, AND SUBSTANTIALLY MAINTAINED THEREIN SUBJECT TO THE FORCE FIELDS OF SAID MAGNETS, AND MEANS FOR VARYING THE TOTAL FORCE OF SAID MAGNETIC FIELDS AND OF THE INDIVIDUAL MAGNETIC FIELDS SO AS TO VARY THE DISTRIBUTION PATTERN OF SAID PARTICLES BETWEEN A SUBSTANTIALLY ANNULAR PATTERN ADAPTED TO PASS FLUIDS AND FLUIDIZED NON-MAGNETIC SOLIDS THROUGH SAID SECTION, AND A SUBSTANTIALLY DIAMETRIC PATTERN ADAPTED TO INTERCEPT SAID FLUIDS AND FLUIDIZED SOLIDS.
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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |