US3383052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner end cone having two different types of vanes
Assignee: Union Oil Company of California
•
Filing: 1966-06-28
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Granted: 1968-05-14
•
Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Wilson D Dysart
- 👤 William J Zollinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:35
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/40; F23D11/408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A BURNER END CONE COMPRISING AN ANNULAR BODY MEMBER HAVING A FLUID INLET OPENING AT ONE END, A FLUID OUTLET OPENING OF REDUCED SIZE AT THE OPPOSITE END, AND AN INTERNAL FLOW PASSAGE EXTENDING THE LENGTH OF SAID BODY MEMBER COMMUNICATING SAID INLET WITH SAID OUTLET; A PLURALITY OF FIRST FLOW DIRECTING VANES PROTRUDING FROM THE INTERIOR SURFACE OF SAID BODY MEMBER INTO SAID FLOW PASSAGE AND EXTENDING THE LENGTH OF SAID BODY MEMBER FROM SAID INLET OPENING TO SAID OUTLET OPENINGS, SAID VANES BEING ANGULARLY DISPLACED FROM A LINE PARALLEL WITH THE CENTER AXIS OF SAID BODY MEMBER; AND A PLURALITY OF SECOND FLOW DIRECTING PARTIAL VANES PROTRUDING FROM THE INTERIOR SURFACE OF SAID BODY MEMBER, SAID SECOND VANES BEING ALTERNATELY DISPOSED BETWEEN SAID FIRST VANES AND EXTENDING FROM A POINT ON THE INTERIOR SURFACE OF SAID BODY MEMBER INTERMEDIATE SAID ENDS TO SAID FLUID OUTLET.
Claim 2
Dependent Claim
147 words
A BURNER END CONE COMPRISING AN ANNULAR BODY MEMBER HAVING A FLUID INLET OPENING AT ONE END, A FLUID OUTLET OPENING OF REDUCED SIZE AT THE OPPOSITE END, AND AN INTERNAL FLOW PASSAGE EXTENDING THE LENGTH OF SAID BODY MEMBER COMMUNICATING SAID INLET WITH SAID OUTLET; A PLURALITY OF FIRST FLOW DIRECTING VANES PROTRUDING FROM THE INTERIOR SURFACE OF SAID BODY MEMBER INTO SAID FLOW PASSAGE AND EXTENDING THE LENGTH OF SAID BODY MEMBER FROM SAID INLET OPENING TO SAID OUTLET OPENINGS, SAID VANES BEING ANGULARLY DISPLACED FROM A LINE PARALLEL WITH THE CENTER AXIS OF SAID BODY MEMBER; AND A PLURALITY OF SECOND FLOW DIRECTING PARTIAL VANES PROTRUDING FROM THE INTERIOR SURFACE OF SAID BODY MEMBER, SAID SECOND VANES BEING ALTERNATELY DISPOSED BETWEEN SAID FIRST VANES AND EXTENDING FROM A POINT ON THE INTERIOR SURFACE OF SAID BODY MEMBER INTERMEDIATE SAID ENDS TO SAID FLUID OUTLET.
References Cited (Backward Citations)
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US2181527A
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US2265904A
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US2657741A
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US2796923A
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US3033278A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |