US3097795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spill type fuel injection nozzle
Assignee: Parker Hannifin Corp
•
Filing: 1960-11-01
•
Granted: 1963-07-16
•
Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Harold C Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:12
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24; F23D11/26; F23D11/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A SPILL-TYPE FUEL INJECTION NOZZLE COMPRISING A HOLDER FORMED WITH FUEL INLET AND RETURN PASSAGES LEADING THEREINTO; AND A COAXIAL SERIES OF INTERFITTING AND ABUTTING NOZZLE PARTS CLAMPED IN SAID HOLDER AND FORMING THEREBETWEEN A SPIN CHAMBER HAVING TANGENTIAL PASSAGES LEADING INTO THE PERIPHERY THEREOF FROM SUCH INLET, A CENTRAL FUEL DISCHARGE ORIFICE AT ONE END OF SUCH CHAMBER, A CENTRAL SPILL PASSAGE AT THE OTHER END OF SUCH CHAMBER, AND AN ANNULAR DIFFUSION CHAMBER INTO WHICH FUEL PASSES FROM SUCH SPILL PASSAGE AND FROM THE PERIPHERY OF WHICH FUEL PASSES TO SUCH RETURN PASSAGE; SAID HOLDER AND NOZZLE PARTS BEING MADE OF HEAT-RESISTING ALLOY TO ENABLE USE OF THE NOZZLE IN NUCLEAR AIRCRAFT AND THE LIKE WHEREIN SAID HOLDER AND NOZZLE PARTS BECOME HIGHLY HEATED, THE ALLOY EMPLOYED FOR SAID NOZZLE PARTS HAVING A COEFFICIENT OF THERMAL EXPANSION OF ABOUT 9.20 MICRO-IN./IN./*F. AT 68 TO 1800* F. AS COMPARED WITH ABOUT 10.14 MICRO-IN./IN./*F. AT 68 TO 1830*F. FOR THE ALLOY EMPLOYED FOR SAID HOLDER WHEREBY INITIAL CLAMPING STRESSES OF SAID NOZZLE PARTS IN SAID HOLDER ARE RELIEVED AT ELEVATED TEMPERATURES AND STRESSES INTRO-
Claim 2
Dependent Claim
184 words
A SPILL-TYPE FUEL INJECTION NOZZLE COMPRISING A HOLDER FORMED WITH FUEL INLET AND RETURN PASSAGES LEADING THEREINTO; AND A COAXIAL SERIES OF INTERFITTING AND ABUTTING NOZZLE PARTS CLAMPED IN SAID HOLDER AND FORMING THEREBETWEEN A SPIN CHAMBER HAVING TANGENTIAL PASSAGES LEADING INTO THE PERIPHERY THEREOF FROM SUCH INLET, A CENTRAL FUEL DISCHARGE ORIFICE AT ONE END OF SUCH CHAMBER, A CENTRAL SPILL PASSAGE AT THE OTHER END OF SUCH CHAMBER, AND AN ANNULAR DIFFUSION CHAMBER INTO WHICH FUEL PASSES FROM SUCH SPILL PASSAGE AND FROM THE PERIPHERY OF WHICH FUEL PASSES TO SUCH RETURN PASSAGE; SAID HOLDER AND NOZZLE PARTS BEING MADE OF HEAT-RESISTING ALLOY TO ENABLE USE OF THE NOZZLE IN NUCLEAR AIRCRAFT AND THE LIKE WHEREIN SAID HOLDER AND NOZZLE PARTS BECOME HIGHLY HEATED, THE ALLOY EMPLOYED FOR SAID NOZZLE PARTS HAVING A COEFFICIENT OF THERMAL EXPANSION OF ABOUT 9.20 MICRO-IN./IN./*F. AT 68 TO 1800* F. AS COMPARED WITH ABOUT 10.14 MICRO-IN./IN./*F. AT 68 TO 1830*F. FOR THE ALLOY EMPLOYED FOR SAID HOLDER WHEREBY INITIAL CLAMPING STRESSES OF SAID NOZZLE PARTS IN SAID HOLDER ARE RELIEVED AT ELEVATED TEMPERATURES AND STRESSES INTRO-
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |