US3185176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for valves
Assignee: Individual
•
Filing: 1962-06-20
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Granted: 1965-05-25
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/078; Y; Y10; Y10S; Y10S251/00; Y10S251/90; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86549; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
IN A HYDRAULICALLY BALANCED MIXING VALVE ASSEMBLY INCLUDING A VALVE BODY HAVING AN AXIAL BORE, A PAIR OF FLUID INLETS COMMUNICATING WITH THE BORE, AN INLET PASSAGE IN THE BODY FOR THE MIXED FLUID, A VALVE SLEEVE MEMBER IN THE BORE CLOSING ONE END THEREOF AND HAVING OPENINGS THEREIN IN REGISTER WITH THE RESPECTIVE FLUID INLETS, A VALVE ELEMENT SLIDEABLE AND ROTATABLE ALONG AND ABOUT A SINGLE AXIS WITHIN SAID SLEEVE MEMBER, O-RING SEALS CARRIED IN THE INLET OPENINGS OF THE SLEEVE MEMBER AND SURROUNDING THE FLUID INLETS, AND STATIC SEAL MEANS INTERPOSED AND SUPPORTED BETWEEN THE SLEEVE MEMBER AND THE BORE OF THE VALVE BODY, THE DIAMETERS OF THE O-RING SEALS WITH RESPECT TO THEIR ASSOCIATED INLET OPENINGS OF THE SLEEVE MEMBER AND THE CROSS-SECTIONAL AREAS OF THE O-RING SEALS WITH RESPECT TO THE THICKNESS OF THE SLEEVE MEMBER BEING SUCH THAT THE SEALS WILL BE SUBJECTED TO A BUILD-UP OF FLUID PRESSURE IN RESPONSE TO THE SEAL EFFECTED BY SAID STATIC SEAL MEANS TO EFFECTIVELY SEAL AGAINST FLUID LEAKAGE BETWEEN THE OUTER PERIPHERAL SURFACE OF THE VALVE ELEMENT AND THE INLET OPENINGS IN THE SLEEVE.
Claim 2
Dependent Claim
187 words
IN A HYDRAULICALLY BALANCED MIXING VALVE ASSEMBLY INCLUDING A VALVE BODY HAVING AN AXIAL BORE, A PAIR OF FLUID INLETS COMMUNICATING WITH THE BORE, AN INLET PASSAGE IN THE BODY FOR THE MIXED FLUID, A VALVE SLEEVE MEMBER IN THE BORE CLOSING ONE END THEREOF AND HAVING OPENINGS THEREIN IN REGISTER WITH THE RESPECTIVE FLUID INLETS, A VALVE ELEMENT SLIDEABLE AND ROTATABLE ALONG AND ABOUT A SINGLE AXIS WITHIN SAID SLEEVE MEMBER, O-RING SEALS CARRIED IN THE INLET OPENINGS OF THE SLEEVE MEMBER AND SURROUNDING THE FLUID INLETS, AND STATIC SEAL MEANS INTERPOSED AND SUPPORTED BETWEEN THE SLEEVE MEMBER AND THE BORE OF THE VALVE BODY, THE DIAMETERS OF THE O-RING SEALS WITH RESPECT TO THEIR ASSOCIATED INLET OPENINGS OF THE SLEEVE MEMBER AND THE CROSS-SECTIONAL AREAS OF THE O-RING SEALS WITH RESPECT TO THE THICKNESS OF THE SLEEVE MEMBER BEING SUCH THAT THE SEALS WILL BE SUBJECTED TO A BUILD-UP OF FLUID PRESSURE IN RESPONSE TO THE SEAL EFFECTED BY SAID STATIC SEAL MEANS TO EFFECTIVELY SEAL AGAINST FLUID LEAKAGE BETWEEN THE OUTER PERIPHERAL SURFACE OF THE VALVE ELEMENT AND THE INLET OPENINGS IN THE SLEEVE.
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |