Patent US3188097A successfully refreshed from Google Patents.
US3188097A
Expired / Lapsed
US
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Pressure sensitive sealing device
Assignee: Combustion Engineering Inc
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Filing: 1963-03-04
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Granted: 1965-06-08
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Wendell G Cott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:25
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3404; F16J15/3408; F16J15/3412; F16J15/342; Y; Y10; Y10S; Y10S277/00; Y10S277/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A SEALING MEMBER FOR A ROTARY SHAFT THAT EXTENDS THROUGH A FIXED CASING BETWEEN HIGH AND LOW PRESSURE ZONES COMPRISING IN COMBINATION, A SEAL COVER SECURED TO SAID CASING AND APERTURED TO FREELY RECEIVE THE ROTARY SHAFT, A FLANGE INTEGRAL WITH SAID ROTARY SHAFT LYING IN AXIAL ALIGNMENT WITH SAID SEAL COVER, A FLEXIBLE SEAL MEMBER CARRIED BY SAID FLANGE IN THE HIGH PRESSURE ZONE TO LATERALLY ABUT SAID SEAL COVER, ANNULAR GROOVE MEANS FORMED IN THE FACE OF THE SEAL COVER THAT ABUTS THE FLEXIBLE SEAL MEMBER, AND DUCT MEANS CONNECTING EACH GROOVE MEANS WITH THE LOW PRESSURE ZONE WHEREBY HIGH AND LOW PRESSURE FLUIDS WILL HAVE DIRECT ACCESS TO OPPOSITE SIDES OF THE FLEXIBLE SEAL MEMBER TO PRODUCE A MAXIMUM SEALING EFFECT THEREON.
Claim 2
Dependent Claim
125 words
A SEALING MEMBER FOR A ROTARY SHAFT THAT EXTENDS THROUGH A FIXED CASING BETWEEN HIGH AND LOW PRESSURE ZONES COMPRISING IN COMBINATION, A SEAL COVER SECURED TO SAID CASING AND APERTURED TO FREELY RECEIVE THE ROTARY SHAFT, A FLANGE INTEGRAL WITH SAID ROTARY SHAFT LYING IN AXIAL ALIGNMENT WITH SAID SEAL COVER, A FLEXIBLE SEAL MEMBER CARRIED BY SAID FLANGE IN THE HIGH PRESSURE ZONE TO LATERALLY ABUT SAID SEAL COVER, ANNULAR GROOVE MEANS FORMED IN THE FACE OF THE SEAL COVER THAT ABUTS THE FLEXIBLE SEAL MEMBER, AND DUCT MEANS CONNECTING EACH GROOVE MEANS WITH THE LOW PRESSURE ZONE WHEREBY HIGH AND LOW PRESSURE FLUIDS WILL HAVE DIRECT ACCESS TO OPPOSITE SIDES OF THE FLEXIBLE SEAL MEMBER TO PRODUCE A MAXIMUM SEALING EFFECT THEREON.
References Cited (Backward Citations)
US2095842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |