US3171601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle construction
Assignee: Individual
•
Filing: 1962-02-16
•
Granted: 1965-03-02
•
Expires: 1982-02-16
Abstract
No abstract record available.
Inventors
- 👤 John F Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:34
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24; F23D11/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A NOZZLE HAVING A FLUID INLET END, AN EXIT ORIFICE END, A FLOW PASSAGE EXTENDING THEREBETWEEN AND MEANS DEFINING A SPIN CHAMBER UPSTREAM OF SAID ORIFICE END, A SPRING CLOSED, FLUID PRESSURE ACTUATED VALVE MEMBER MOUNTED FOR MOVEMENT IN SAID NOZZLE TO OPEN AND CLOSE FLUID COMMUNICATION THROUGH SAID NOZZLE, SAID VALVE MEMBER HAVING OPPOSITE SIDES THEREOF EXPOSED TO FLUID UNDER PRESSURE IN SAID INLET END AND SUCH SPIN CHAMBER AND BEING FORMED WITH GENERALLY HELICAL SLOTS THROUGH WHICH FLUID FLOWS FROM SAID INLET END INTO SUCH SPIN CHAMBER WHEN SAID VALVE MEMBER IS IN OPEN POSITION; AND MEANS AT THE INLET END OF SAID VALVE MEMBER OPERATIVE TO PROVIDE A VARIABLE CONSTRICTION FOR THE PASSAGE OF FLUID INTO SAID INLET END ACCORDING TO THE EXTENT OF MOVEMENT OF SAID VALVE MEMBER TO OPEN POSITION.
Claim 2
Dependent Claim
136 words
IN A NOZZLE HAVING A FLUID INLET END, AN EXIT ORIFICE END, A FLOW PASSAGE EXTENDING THEREBETWEEN AND MEANS DEFINING A SPIN CHAMBER UPSTREAM OF SAID ORIFICE END, A SPRING CLOSED, FLUID PRESSURE ACTUATED VALVE MEMBER MOUNTED FOR MOVEMENT IN SAID NOZZLE TO OPEN AND CLOSE FLUID COMMUNICATION THROUGH SAID NOZZLE, SAID VALVE MEMBER HAVING OPPOSITE SIDES THEREOF EXPOSED TO FLUID UNDER PRESSURE IN SAID INLET END AND SUCH SPIN CHAMBER AND BEING FORMED WITH GENERALLY HELICAL SLOTS THROUGH WHICH FLUID FLOWS FROM SAID INLET END INTO SUCH SPIN CHAMBER WHEN SAID VALVE MEMBER IS IN OPEN POSITION; AND MEANS AT THE INLET END OF SAID VALVE MEMBER OPERATIVE TO PROVIDE A VARIABLE CONSTRICTION FOR THE PASSAGE OF FLUID INTO SAID INLET END ACCORDING TO THE EXTENT OF MOVEMENT OF SAID VALVE MEMBER TO OPEN POSITION.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |