US3110320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid flow control valve
Assignee: Rockwell Manufacturing Co
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Filing: 1960-11-22
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Granted: 1963-11-12
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Expires: 1980-11-22
Abstract
No abstract record available.
Inventors
- 👤 Albert J Rosenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:34
CPC Classifications
F; F16; F16K; F16K25/00; F16K25/04; F01; F01K; F01K9/00; F01K9/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
IN COMBINATION, A SUPPLY SOURCE OF LIQUID HAVING SUFFICIENT INTERNAL HEAT THAT AT LEAST A PORTION THEREOF VAPORIZES UPON A PREDETERMINED SLIGHT REDUCTION IN PRESSURE, AND A LIQUID FLOW CONTROL VALVE ASSEMBLY CONNECTED TO SAID SUPPLY SOURCE TO RECEIVE SAID LIQUID IN THE FORM OF A STREAM AND COMPRISING A VALVE BODY, AN ANNULAR VALVE SEAT DISPOSED IN SAID BODY IN FLUID COMMUNICATION WITH SAID SOURCE OF SUPPLY, A VALVE MEMBER HAVING A PORTION OF VARYING CROSS SECTION EXTENDING INTO THE OPENING OF SAID SEAT AND BEING AXIALLY MOVABLE RELATIVE TO SAID SEAT TO VARY THE EFFECTIVE FLOW AREA THROUGH SAID SEAT, OUTLET FLUID FLOW PASSAGE MEANS INCLUDING A DISCHARGE PASSAGE FORMED IN SAID VALVE BODY POSTERIOR TO AND COAXIALLY ALIGNED WITH SAID SEAT AND A DISCHARGE CONDUIT CONNECTED TO SAID BODY TO CONDUCT LIQUID AWAY FROM SAID DISCHARGE PASSAGE AND SAID VALVE BODY, SAID SEAT BEING EFFECTIVE IN COOPERATION WITH SAID VALVE MEMBER TO INCREASE THE VELOCITY OF THE LIQUID STREAM ISSUING FROM SAID SEAT WHEREBY THE PRESSURE OF SAID ISSUING STREAM IS REDUCED TO CREATE POCKETS OF VAPOR IN SAID ISSUING STREAM FROM A FIRST REGION IMMEDIATELY ADJACENT THE DOWNSTREAM SIDE OF SAID SEAT TO A SECOND PREDETERMINED REGION FURTHER DOWNSTREAM THEREOF WHERE THE PRESSURE OF SAID ISSU-
Claim 2
Dependent Claim
210 words
IN COMBINATION, A SUPPLY SOURCE OF LIQUID HAVING SUFFICIENT INTERNAL HEAT THAT AT LEAST A PORTION THEREOF VAPORIZES UPON A PREDETERMINED SLIGHT REDUCTION IN PRESSURE, AND A LIQUID FLOW CONTROL VALVE ASSEMBLY CONNECTED TO SAID SUPPLY SOURCE TO RECEIVE SAID LIQUID IN THE FORM OF A STREAM AND COMPRISING A VALVE BODY, AN ANNULAR VALVE SEAT DISPOSED IN SAID BODY IN FLUID COMMUNICATION WITH SAID SOURCE OF SUPPLY, A VALVE MEMBER HAVING A PORTION OF VARYING CROSS SECTION EXTENDING INTO THE OPENING OF SAID SEAT AND BEING AXIALLY MOVABLE RELATIVE TO SAID SEAT TO VARY THE EFFECTIVE FLOW AREA THROUGH SAID SEAT, OUTLET FLUID FLOW PASSAGE MEANS INCLUDING A DISCHARGE PASSAGE FORMED IN SAID VALVE BODY POSTERIOR TO AND COAXIALLY ALIGNED WITH SAID SEAT AND A DISCHARGE CONDUIT CONNECTED TO SAID BODY TO CONDUCT LIQUID AWAY FROM SAID DISCHARGE PASSAGE AND SAID VALVE BODY, SAID SEAT BEING EFFECTIVE IN COOPERATION WITH SAID VALVE MEMBER TO INCREASE THE VELOCITY OF THE LIQUID STREAM ISSUING FROM SAID SEAT WHEREBY THE PRESSURE OF SAID ISSUING STREAM IS REDUCED TO CREATE POCKETS OF VAPOR IN SAID ISSUING STREAM FROM A FIRST REGION IMMEDIATELY ADJACENT THE DOWNSTREAM SIDE OF SAID SEAT TO A SECOND PREDETERMINED REGION FURTHER DOWNSTREAM THEREOF WHERE THE PRESSURE OF SAID ISSU-
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |