US3082997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid transfer device
Assignee: Air Products and Chemicals Inc
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Filing: 1960-05-03
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Granted: 1963-03-26
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Expires: 1980-05-03
Abstract
No abstract record available.
Inventors
- 👤 Edward F Kurzinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:17
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
251 words
A FLUID TRANSFER DEVICE FOR INTRODUCING A FLUID INTO THE HIGH TEMPERATURE COMBUSTION ZONE OF A METALLURGICAL FURNACE FROM A POINT EXTERIOR TO THE FURNACE COMPRISING A FLUID INLET END LOCATED OUTSIDE THE FURNACE AND A FLUID DISCHARGE END LOCATED WITHIN THE FURNACE, THE FLUID INLET END INCLUDING FLUID INLET MEANS, COOLANT INLET MEANS, AND COOLANT DISCHARGE MEANS, AN ELONGATED INNER TUBULAR MEMBER AND AN ELONGATED OUTER TUBULAR MEMBER, WITH THE ELONGATED OUTER TUBULAR MEMBER BEING IN OVERLAPPING RELATIONSHIP WITH THE ELONGATED INNER TUBULAR MEMBER BETWEEN THE FLUID INLET END AND THE FLUID DISCHARGE END OF THE TRANSFER DEVICE, THE ELONGATED INNER TUBULAR MEMBER DEFINING A COOLANT INLET PASSAGE LOCATED WITHIN THE ELONGATED INNER TUBULAR MEMBER, THE OUTER SURFACE OF THE INNER TUBULAR MEMBER BEING SPACED FROM THE INNER SURFACE OF THE ELONGATED OUTER TUBULAR MEMBER TO DEFINE THEREBETWEEN A SINGLE ELONGATED CHAMBER, MEANS CONNECTING THE COOLANT INLET MEANS AT THE FLUID INLET END OF THE TRANSFER DEVICE TO THE COOLANT INLET PASSAGE, A PLURALITY OF ELONGATED FLUID INLET TUBES LOCATED IN SPACED RELATIONSHIP WITHIN THE ELONGATED CHAMBER DEFINED BY THE OUTER SURFACE OF THE INNER TUBULAR MEMBER AND THE INNER SURFACE OF THE OUTER TUBULAR MEMBER AND EXTENDING LONGITUDINALLY THROUGH THE ELONGATED CHAMBER BETWEEN THE FLUID INLET END AND THE FLUID DISCHARGE END OF THE DEVICE, THE TOTAL CROSS SECTIONAL AREA OF THE ELONGATED FLUID INLET TUBES BEING SUBSTANTIALLY LESS THAN THE CROSS SECTIONAL AREA OF THE ELONGATED CHAMBER SO AS TO DEFINE A COOLANT RETURN PASSAGE WITHIN THE ELONGATED
Claim 2
Dependent Claim
251 words
A FLUID TRANSFER DEVICE FOR INTRODUCING A FLUID INTO THE HIGH TEMPERATURE COMBUSTION ZONE OF A METALLURGICAL FURNACE FROM A POINT EXTERIOR TO THE FURNACE COMPRISING A FLUID INLET END LOCATED OUTSIDE THE FURNACE AND A FLUID DISCHARGE END LOCATED WITHIN THE FURNACE, THE FLUID INLET END INCLUDING FLUID INLET MEANS, COOLANT INLET MEANS, AND COOLANT DISCHARGE MEANS, AN ELONGATED INNER TUBULAR MEMBER AND AN ELONGATED OUTER TUBULAR MEMBER, WITH THE ELONGATED OUTER TUBULAR MEMBER BEING IN OVERLAPPING RELATIONSHIP WITH THE ELONGATED INNER TUBULAR MEMBER BETWEEN THE FLUID INLET END AND THE FLUID DISCHARGE END OF THE TRANSFER DEVICE, THE ELONGATED INNER TUBULAR MEMBER DEFINING A COOLANT INLET PASSAGE LOCATED WITHIN THE ELONGATED INNER TUBULAR MEMBER, THE OUTER SURFACE OF THE INNER TUBULAR MEMBER BEING SPACED FROM THE INNER SURFACE OF THE ELONGATED OUTER TUBULAR MEMBER TO DEFINE THEREBETWEEN A SINGLE ELONGATED CHAMBER, MEANS CONNECTING THE COOLANT INLET MEANS AT THE FLUID INLET END OF THE TRANSFER DEVICE TO THE COOLANT INLET PASSAGE, A PLURALITY OF ELONGATED FLUID INLET TUBES LOCATED IN SPACED RELATIONSHIP WITHIN THE ELONGATED CHAMBER DEFINED BY THE OUTER SURFACE OF THE INNER TUBULAR MEMBER AND THE INNER SURFACE OF THE OUTER TUBULAR MEMBER AND EXTENDING LONGITUDINALLY THROUGH THE ELONGATED CHAMBER BETWEEN THE FLUID INLET END AND THE FLUID DISCHARGE END OF THE DEVICE, THE TOTAL CROSS SECTIONAL AREA OF THE ELONGATED FLUID INLET TUBES BEING SUBSTANTIALLY LESS THAN THE CROSS SECTIONAL AREA OF THE ELONGATED CHAMBER SO AS TO DEFINE A COOLANT RETURN PASSAGE WITHIN THE ELONGATED
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |