Patent US3306336A successfully refreshed from Google Patents.
US3306336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressurized fluid fuel burner
Assignee: Individual
•
Filing: 1965-04-26
•
Granted: 1967-02-28
•
Expires: 1985-04-26
Abstract
No abstract record available.
Inventors
- 👤 Zenkner Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:02
CPC Classifications
F; F23; F23C; F23C99/00; F23D; F23D11/00; F23D11/001; F23D14/00; F23D14/34; F23D14/36; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/142; F23K5/145; F23C2700/00; F23C2700/02; F23C2700/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
AN OIL, GAS, OR OTHER FLUID FUEL BURNER WITH AIR ADMIXING BLOWER MEANS, COMPRISING A MOTOR HAVING A ROTATING DRIVE SHAFT; A TRANSVERSE-FLOW BLOWER WITH AIR INLET AND OUTLET TERMINAL ORIFICES; A BLAST TUBE CONNECTED TO THE OUTLET TERMINAL ORIFICE; A FUEL NOZZLE WITHIN THE OPEN END OF THE BLAST TUBE; THE BLOWER HAVING AT LEAST TWO BLOWER STAGES; EACH OF SAID AT LEAST TWO STAGES INCLUDING A ROTOR IN AXIAL ALIGNMENT WITH AND DRIVINGLY CONNECTED TO SAID DRIVE SHAFT; THE FIRST OF THE ROTORS HAVING A PERIPHERAL AIR OUTLET ORIFICE, THE SUCCESSIVE ROTOR HAVING A PERIPHERAL AIR INLET ORIFICE ADJOINING THE OUTLET ORIFICE OF THE PREVIOUS ROTOR; ONE AIR DEFLECTING HOUSING OF THE AIR OUTLET AND INLET ORIFICES ATTACHED FROM THE OUTSIDE FOR EVERY PAIR OF ROTORS; A SEGMENT OF A RING STRUCTURE OF A BULBOUS CROSS SECTION OF AN AERODYNAMIC SHAPE OF A LARGE RADIUS OF CURVATURE IN THE FLOW OF AIR BETWEEN EVERY PAIR OF ROTORS TO AVOID AIR TURBULENCE, SAID RING STRUCTURE INTERPOSED BETWEEN THE AIR OUTLET OF ONE ROTOR AND THE AIR INLET OF THE SUCCESSIVE ROTOR WITHIN SAID HOUSING; SAID BLAST TUBE AXIALLY ALIGNED WITH RESPECT TO SAID DRIVE SHAFT; SAID FUEL NOZZLE COAXIAL WITH SAID BLAST TUBE; SAID BLAST TUBE HAVING A LARGE RADIUS OF CURVATURE BETWEEN SAID OUTLET TERMINAL ORIFICE AND SAID FUEL NOZZLE TO AVOID TURBULENCE.
Claim 2
Dependent Claim
225 words
AN OIL, GAS, OR OTHER FLUID FUEL BURNER WITH AIR ADMIXING BLOWER MEANS, COMPRISING A MOTOR HAVING A ROTATING DRIVE SHAFT; A TRANSVERSE-FLOW BLOWER WITH AIR INLET AND OUTLET TERMINAL ORIFICES; A BLAST TUBE CONNECTED TO THE OUTLET TERMINAL ORIFICE; A FUEL NOZZLE WITHIN THE OPEN END OF THE BLAST TUBE; THE BLOWER HAVING AT LEAST TWO BLOWER STAGES; EACH OF SAID AT LEAST TWO STAGES INCLUDING A ROTOR IN AXIAL ALIGNMENT WITH AND DRIVINGLY CONNECTED TO SAID DRIVE SHAFT; THE FIRST OF THE ROTORS HAVING A PERIPHERAL AIR OUTLET ORIFICE, THE SUCCESSIVE ROTOR HAVING A PERIPHERAL AIR INLET ORIFICE ADJOINING THE OUTLET ORIFICE OF THE PREVIOUS ROTOR; ONE AIR DEFLECTING HOUSING OF THE AIR OUTLET AND INLET ORIFICES ATTACHED FROM THE OUTSIDE FOR EVERY PAIR OF ROTORS; A SEGMENT OF A RING STRUCTURE OF A BULBOUS CROSS SECTION OF AN AERODYNAMIC SHAPE OF A LARGE RADIUS OF CURVATURE IN THE FLOW OF AIR BETWEEN EVERY PAIR OF ROTORS TO AVOID AIR TURBULENCE, SAID RING STRUCTURE INTERPOSED BETWEEN THE AIR OUTLET OF ONE ROTOR AND THE AIR INLET OF THE SUCCESSIVE ROTOR WITHIN SAID HOUSING; SAID BLAST TUBE AXIALLY ALIGNED WITH RESPECT TO SAID DRIVE SHAFT; SAID FUEL NOZZLE COAXIAL WITH SAID BLAST TUBE; SAID BLAST TUBE HAVING A LARGE RADIUS OF CURVATURE BETWEEN SAID OUTLET TERMINAL ORIFICE AND SAID FUEL NOZZLE TO AVOID TURBULENCE.
References Cited (Backward Citations)
US1379179A
Cited
US1855339A
Cited
US1846379A
Cited
US2390509A
Cited
US2753929A
Cited
US2814254A
Cited
US2965284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |