US3226037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aspirating nozzle
Assignee: Gulf Research and Development Co
•
Filing: 1963-12-11
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Granted: 1965-12-28
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Expires: 1983-12-11
Abstract
No abstract record available.
Inventors
- 👤 Biber Albert
- 👤 Sr Orvis A Davis
- 👤 Bruce R Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:52
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10; F23D11/101; F23D11/105; F02; F02M; F02M37/00; F02M37/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN ASPIRATING NOZZLE COMPRISING AN ENCLOSED SWIRL CHAMBER HAVING A SUBSTANTIALLY CIRCULAR CROSS SECTION, A NOZZLE AXIAL DISCHARGE OPENING AT THE FORWARD END OF SAID SWIRL CHAMBER THE NARROWEST PORTION OF WHICH CONSTITUTES A DISCHARGE ORIFICE, SWIRLING MEANS AT THE REAR OF SAID SWIRL CHAMBER, A PLURALITY OF CONCENTRIC TURUBLAR DUCTS EXTENDING AXIALLY FROM THE REAR OF SAID SWIRL CHAMBER EACH TERMINATING WITH A TUBULAR DUCT AXIAL OPENING AT AN INTERMEDIATE AXIAL POSITION IN SAID SWIRL CHAMBER BETWEEN SAID SWIRLING MEANS AND SAID DISCHARGE ORIFICE, THE DIAMETER OF SAID DISCHARGE ORIFICE BEING LARGER THAN THE INTERNAL DIAMETER OF THE OUTERMOST OF SAID TUBULAR DUCTS, THE OUTER SURFACE OF SAID TUBULAR DUCTS HAVING A CYLINDRICAL CONFIGURATION, SAID NOZZLE BEING FREE OF MEANS FOR IMPARTING SWIRLING TO FLUID FLOWING WITHIN SID TUBULAR DUCTS, SAID SWIRL CHAMBER WALL SURFACE CONVERGING SUBSTANTIALLY CONICALLY FROM SAID SWIRLING MEANS DISPOSED TO THE REAR OF THE AXIAL TERMINUS OF EACH OF SAID TUBULAR DUCTS TO SAID DISCHARGE ORIFICE, SAID SWIRL CHAMBER HAVING REAR ENCLOSURE MEANS EXTENDING BETWEEN THE EXTERIOR OF THE OUTER-
Claim 2
Dependent Claim
175 words
IN ASPIRATING NOZZLE COMPRISING AN ENCLOSED SWIRL CHAMBER HAVING A SUBSTANTIALLY CIRCULAR CROSS SECTION, A NOZZLE AXIAL DISCHARGE OPENING AT THE FORWARD END OF SAID SWIRL CHAMBER THE NARROWEST PORTION OF WHICH CONSTITUTES A DISCHARGE ORIFICE, SWIRLING MEANS AT THE REAR OF SAID SWIRL CHAMBER, A PLURALITY OF CONCENTRIC TURUBLAR DUCTS EXTENDING AXIALLY FROM THE REAR OF SAID SWIRL CHAMBER EACH TERMINATING WITH A TUBULAR DUCT AXIAL OPENING AT AN INTERMEDIATE AXIAL POSITION IN SAID SWIRL CHAMBER BETWEEN SAID SWIRLING MEANS AND SAID DISCHARGE ORIFICE, THE DIAMETER OF SAID DISCHARGE ORIFICE BEING LARGER THAN THE INTERNAL DIAMETER OF THE OUTERMOST OF SAID TUBULAR DUCTS, THE OUTER SURFACE OF SAID TUBULAR DUCTS HAVING A CYLINDRICAL CONFIGURATION, SAID NOZZLE BEING FREE OF MEANS FOR IMPARTING SWIRLING TO FLUID FLOWING WITHIN SID TUBULAR DUCTS, SAID SWIRL CHAMBER WALL SURFACE CONVERGING SUBSTANTIALLY CONICALLY FROM SAID SWIRLING MEANS DISPOSED TO THE REAR OF THE AXIAL TERMINUS OF EACH OF SAID TUBULAR DUCTS TO SAID DISCHARGE ORIFICE, SAID SWIRL CHAMBER HAVING REAR ENCLOSURE MEANS EXTENDING BETWEEN THE EXTERIOR OF THE OUTER-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |