US3221797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial burner
Assignee: Selas Corp of America
•
Filing: 1963-11-18
•
Granted: 1965-12-07
•
Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Fraser M Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:52
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/12; F23D14/125; F23D11/00; F23D11/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A BURNER, THE COMBINATION OF A HOLLOW, CYLINDRICAL DISTRIBUTOR MEMBER HAVING A CLOSED END TO FORM A CHAMBER THEREIN, SAID MEMBER BEING PROVIDED WITH A PLURALITY OF SUBSTANTIALLY RADIAL PASSAGES EXTENDING FROM SAID CHAMBER ADJACENT TO SAID END TO THE EXTERIOR OF SAID MEMBER, THE INTERIOR OF SAID CHAMBER HAVING THE SHAPE OF A UNOBSTRUCTED VENTURI WITH THE LARGE END THEREOF TERMINATING AT SAID PASSAGES AND THE THROAT THEREOF BEING SPACED FROM SAID END OF SAID CHAMBER, A LIQUID FUEL ATOMIZER HAVING A PREDETERMINED ANGLE OF SPRAY, MEANS TO MOUNT SAID ATOMIZER ADJACENT TO SAID THROAT AND CENTRALLY OF SAID CHAMBER AND DIRECTED AXIALLY TOWARD AND CLOSED END, SAID ATOMIZER BEING LOCATED A DISTANCE FROM SAID CLOSED END SUCH THAT THE SPRAY FROM THE ATOMIZER WILL STRIKE THE INTERIOR OF SAID CHAMBER ADJACENT TO SAID LARGE END OF SAID VENTURI AND THE EDGES OF SAID PASSAGES, AND MEANS TO SUPPLY COMBUSTION AIR AXIALLY TO SAID CHAMBER FROM A LOCATION UPSTREAM OF SAID ATOMIZER WHEREBY SAID COMBUSTION AIR WILL CROSS THE SPRAY OF ATOMIZED FUEL TO MIX THEREWITH PRIOR TO BEING DISCHARGE THROUGH SAID PASSAGES.
Claim 2
Dependent Claim
185 words
IN A BURNER, THE COMBINATION OF A HOLLOW, CYLINDRICAL DISTRIBUTOR MEMBER HAVING A CLOSED END TO FORM A CHAMBER THEREIN, SAID MEMBER BEING PROVIDED WITH A PLURALITY OF SUBSTANTIALLY RADIAL PASSAGES EXTENDING FROM SAID CHAMBER ADJACENT TO SAID END TO THE EXTERIOR OF SAID MEMBER, THE INTERIOR OF SAID CHAMBER HAVING THE SHAPE OF A UNOBSTRUCTED VENTURI WITH THE LARGE END THEREOF TERMINATING AT SAID PASSAGES AND THE THROAT THEREOF BEING SPACED FROM SAID END OF SAID CHAMBER, A LIQUID FUEL ATOMIZER HAVING A PREDETERMINED ANGLE OF SPRAY, MEANS TO MOUNT SAID ATOMIZER ADJACENT TO SAID THROAT AND CENTRALLY OF SAID CHAMBER AND DIRECTED AXIALLY TOWARD AND CLOSED END, SAID ATOMIZER BEING LOCATED A DISTANCE FROM SAID CLOSED END SUCH THAT THE SPRAY FROM THE ATOMIZER WILL STRIKE THE INTERIOR OF SAID CHAMBER ADJACENT TO SAID LARGE END OF SAID VENTURI AND THE EDGES OF SAID PASSAGES, AND MEANS TO SUPPLY COMBUSTION AIR AXIALLY TO SAID CHAMBER FROM A LOCATION UPSTREAM OF SAID ATOMIZER WHEREBY SAID COMBUSTION AIR WILL CROSS THE SPRAY OF ATOMIZED FUEL TO MIX THEREWITH PRIOR TO BEING DISCHARGE THROUGH SAID PASSAGES.
References Cited (Backward Citations)
GB191027183A
Cited
US2292664A
Cited
US2333531A
Cited
US2980171A
Cited
US3000435A
Cited
US2821246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |