US3100647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid seal
Assignee: Consolidation Coal Co
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Filing: 1960-11-17
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Granted: 1963-08-13
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Expires: 1980-11-17
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Lee
- 👤 Arthur B Coval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:35
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3464; F16J15/3488; Y; Y10; Y10S; Y10S277/00; Y10S277/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A ROTARY FLUID SEAL FOR IMPEDING THE PASSAGE OF FLUID BETWEEN FIRST AND SECOND RELATIVELY ROTATABLE MEMBERS, SAID FIRST MEMBER HAVING A CYLINDRICAL EXTERNAL SURFACE AND BEING POSITIONED COAXIALLY WITHIN A CYLINDRICAL INTERNAL SURFACE FORMED IN SAID SECOND MEMBER, SAID SEAL COMPRISING AN ANNULAR RECESS FORMED IN SAID FIRST MEMBER CYLINDRICAL EXTERNAL SURFACE, SAID ANNULAR RECESS HAVING A PLANAR END WALL, A SEAL RING HAVING A CYLINDRICAL EXTERNAL SURFACE, AN INTERNAL SURFACE, A PLANAR SEALING SURFACE EXTENDING RADIALLY BETWEEN SAID RING EXTERNAL AND INTERNAL SURFACES AND A PLANAR FLUID CONTACTING SURFACE, SAID SEAL RING BEING POSITIONED WITHIN SAID FIRST MEMBER ANNULAR RECESS WITH SAID RING CYLINDRICAL EXTERNAL SURFACE IN FRICTIONAL, NONROTATING AND SEALING ENGAGEMENT WITH SAID SECOND MEMBER CYLINDRICAL INTERNAL SURFACE, SAID RING SEALING SURFACE BEING IN SLIDING SEALING RELATION WITH SAID SECOND MEMBER ANNULAR RECESS PLANAR END WALL, AND MEANS INCLUDING RADIAL RECESSES IN SAID PLANAR FLUID CONTACTING SURFACE TO ADMIT FLUID FOR LUBRICATION TO SAID RING SEALING SURFACE FROM SAID RING CYLINDRICAL EXTERNAL SURFACE.
Claim 2
Dependent Claim
166 words
A ROTARY FLUID SEAL FOR IMPEDING THE PASSAGE OF FLUID BETWEEN FIRST AND SECOND RELATIVELY ROTATABLE MEMBERS, SAID FIRST MEMBER HAVING A CYLINDRICAL EXTERNAL SURFACE AND BEING POSITIONED COAXIALLY WITHIN A CYLINDRICAL INTERNAL SURFACE FORMED IN SAID SECOND MEMBER, SAID SEAL COMPRISING AN ANNULAR RECESS FORMED IN SAID FIRST MEMBER CYLINDRICAL EXTERNAL SURFACE, SAID ANNULAR RECESS HAVING A PLANAR END WALL, A SEAL RING HAVING A CYLINDRICAL EXTERNAL SURFACE, AN INTERNAL SURFACE, A PLANAR SEALING SURFACE EXTENDING RADIALLY BETWEEN SAID RING EXTERNAL AND INTERNAL SURFACES AND A PLANAR FLUID CONTACTING SURFACE, SAID SEAL RING BEING POSITIONED WITHIN SAID FIRST MEMBER ANNULAR RECESS WITH SAID RING CYLINDRICAL EXTERNAL SURFACE IN FRICTIONAL, NONROTATING AND SEALING ENGAGEMENT WITH SAID SECOND MEMBER CYLINDRICAL INTERNAL SURFACE, SAID RING SEALING SURFACE BEING IN SLIDING SEALING RELATION WITH SAID SECOND MEMBER ANNULAR RECESS PLANAR END WALL, AND MEANS INCLUDING RADIAL RECESSES IN SAID PLANAR FLUID CONTACTING SURFACE TO ADMIT FLUID FOR LUBRICATION TO SAID RING SEALING SURFACE FROM SAID RING CYLINDRICAL EXTERNAL SURFACE.
References Cited (Backward Citations)
US2162218A
Cited
US2265953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |