US3195564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum-insulated valve for cryogenic fluids
Assignee: Union Carbide Corp
•
Filing: 1962-10-01
•
Granted: 1965-07-20
•
Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Richard R Carney
- 👤 Jr Frank D Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:13
CPC Classifications
F; F16; F16K; F16K49/00; F16K51/00; F16K51/02; Y; Y10; Y10S; Y10S285/00; Y10S285/904; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
A VACUUM-INSULATED VALVE FOR CRYOGENIC FLUIDS AT TEMPERATURES BELOW 200*K., COMPRISING AN INNER VALVE BODY PROVIDED WITH PASSAGE MEANS HAVING AN INLET AND OUTLET FOR FLOW OF SAID CRYOGENIC FLUIDS THROUGH SAID INNER VALVE BODY; A VALVE SEAT IN SAID INNER VALVE BODY AND POSITIONED IN SAID PASSAGE MEANS; AN ELONGATED OUTER TUBULAR MEMBER ATTACHED AT ONE END TO SAID INNER VALVE BODY; AN EXTENDED VALVE MEMBER HAVING A BACK SECTION AND A HOLLOW FRONT SECTION, SAID FRONT SECTION DEFINING WITH SAID OUTER TUBULAR MEMBER A PURGABLE ANNULAR CHAMBER AND BEING ADAPTED TO REGISTER WITH SAID VALVE SEAT TO CAUSE POSITIVE SHUT-OFF OF THE FLOW OF FLUIDS THROUGH SAID PASSAGE MEANS; SAID PASSAGE MEANS COMMUNICATING WITH SAID PURGABLE ANNULAR CHAMBER EVEN WHEN SAID FRONT SECTION IS IN REGISTRY WITH SAID VALVE SEAT; A FIRST EXTENSION TUBE CONNECTED TO SAID INLET OF SAID PASAGE MEANS; A SECOND EXTENSION TUBE CONNECTED TO SAID OUTLET OF SAID PASSAGE MEANS; A VACUUM JACKET SURROUNDDING AND DEFINING A VACUUM SPACE WITH SAID INNER VALVE BODY, SUBSTANTIALLY THE ENTIRE LENGTH OF SAID EXTENDED VALVE MEMBER AND AT LEAST PARTIALLY SAID FIRST AND SECOND EXTENSION TUBES; AND MOTION TRANSMITTING MEANS CONNECTED TO SAID EXTENDED VALVE MEMBER AT SAID BACK SECTION OF SAID EXTENDED VALVE MEMBER.
Claim 2
Dependent Claim
208 words
A VACUUM-INSULATED VALVE FOR CRYOGENIC FLUIDS AT TEMPERATURES BELOW 200*K., COMPRISING AN INNER VALVE BODY PROVIDED WITH PASSAGE MEANS HAVING AN INLET AND OUTLET FOR FLOW OF SAID CRYOGENIC FLUIDS THROUGH SAID INNER VALVE BODY; A VALVE SEAT IN SAID INNER VALVE BODY AND POSITIONED IN SAID PASSAGE MEANS; AN ELONGATED OUTER TUBULAR MEMBER ATTACHED AT ONE END TO SAID INNER VALVE BODY; AN EXTENDED VALVE MEMBER HAVING A BACK SECTION AND A HOLLOW FRONT SECTION, SAID FRONT SECTION DEFINING WITH SAID OUTER TUBULAR MEMBER A PURGABLE ANNULAR CHAMBER AND BEING ADAPTED TO REGISTER WITH SAID VALVE SEAT TO CAUSE POSITIVE SHUT-OFF OF THE FLOW OF FLUIDS THROUGH SAID PASSAGE MEANS; SAID PASSAGE MEANS COMMUNICATING WITH SAID PURGABLE ANNULAR CHAMBER EVEN WHEN SAID FRONT SECTION IS IN REGISTRY WITH SAID VALVE SEAT; A FIRST EXTENSION TUBE CONNECTED TO SAID INLET OF SAID PASAGE MEANS; A SECOND EXTENSION TUBE CONNECTED TO SAID OUTLET OF SAID PASSAGE MEANS; A VACUUM JACKET SURROUNDDING AND DEFINING A VACUUM SPACE WITH SAID INNER VALVE BODY, SUBSTANTIALLY THE ENTIRE LENGTH OF SAID EXTENDED VALVE MEMBER AND AT LEAST PARTIALLY SAID FIRST AND SECOND EXTENSION TUBES; AND MOTION TRANSMITTING MEANS CONNECTED TO SAID EXTENDED VALVE MEMBER AT SAID BACK SECTION OF SAID EXTENDED VALVE MEMBER.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |