US3090629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid seal
Assignee: Consolidation Coal Co
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Filing: 1960-03-16
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Granted: 1963-05-21
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Expires: 1980-03-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Lee
- 👤 Arthur B Coval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:31
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3496; F16J15/3464; F16J15/348; F16J15/3484
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A FLUID SEAL ADAPTED TO PREVENT LEAKAGE OF FLUID BETWEEN A FIXED HOUSING MEMBER AND A ROTATING SHAFT, SAID SEAL COMPRISING FIRST AND SECOND ANNULAR MEMBERS DISPOSED ABOUT SAID SHAFT, SAID FIRST AND SECOND ANNULAR MEMBERS BEING AXIALLY SPACED FROM EACH OTHER ON SAID SHAFT, STOP MEANS ON SAID SHAFT TO LIMIT AXIAL MOVEMENT OF SAID ANNULAR MEMBERS AWAY FROM EACH OTHER, FIRST AND SECOND RESILIENT STATIC SEAL MEANS DISPOSED BETWEEN SAID SHAFT AND SAID FIRST AND SECOND ANNULAR MEMBERS RESPECTIVELY TO NONROTATABLY SECURE SAID ANNULAR MEMBERS TO SAID SHAFT AND TO SEALING ENGAGE SAID ANNULAR MEMBERS TO SAID SHAFT TO THEREBY PROVIDE A FLUID SEAL BETWEEN SAID ANNULAR MEMBERS AND SAID SHAFT, EACH OF SAID ANNULAR MEMBERS HAVING A RADIALLY EXTENDING, POLISHED, PLANAR SURFACE, SAID ANNULAR MEMBER POLISHED, PLANAR SURFACES FACING EACH OTHER AND BEING AXIALLY SPACED FROM EACH OTHER, A FIRST SEAL RING DISPOSED BETWEEN SAID FIRST AND SECOND SHAFT ENGAGING ANNULAR MEMBERS AND ABUTTING SAID FIRST ANNULAR MEMBER POLISHED, PLANAR SURFACE, A SECOND SEAL RING DISPOSED BETWEEN SAID FIRST AND SECOND SHAFT ENGAGING ANNULAR MEMBERS AND ABUTTING SAID SECOND ANNULAR MEMBER POLISHED, PLANAR SURFACE, SAID FIRST AND
Claim 2
Dependent Claim
190 words
A FLUID SEAL ADAPTED TO PREVENT LEAKAGE OF FLUID BETWEEN A FIXED HOUSING MEMBER AND A ROTATING SHAFT, SAID SEAL COMPRISING FIRST AND SECOND ANNULAR MEMBERS DISPOSED ABOUT SAID SHAFT, SAID FIRST AND SECOND ANNULAR MEMBERS BEING AXIALLY SPACED FROM EACH OTHER ON SAID SHAFT, STOP MEANS ON SAID SHAFT TO LIMIT AXIAL MOVEMENT OF SAID ANNULAR MEMBERS AWAY FROM EACH OTHER, FIRST AND SECOND RESILIENT STATIC SEAL MEANS DISPOSED BETWEEN SAID SHAFT AND SAID FIRST AND SECOND ANNULAR MEMBERS RESPECTIVELY TO NONROTATABLY SECURE SAID ANNULAR MEMBERS TO SAID SHAFT AND TO SEALING ENGAGE SAID ANNULAR MEMBERS TO SAID SHAFT TO THEREBY PROVIDE A FLUID SEAL BETWEEN SAID ANNULAR MEMBERS AND SAID SHAFT, EACH OF SAID ANNULAR MEMBERS HAVING A RADIALLY EXTENDING, POLISHED, PLANAR SURFACE, SAID ANNULAR MEMBER POLISHED, PLANAR SURFACES FACING EACH OTHER AND BEING AXIALLY SPACED FROM EACH OTHER, A FIRST SEAL RING DISPOSED BETWEEN SAID FIRST AND SECOND SHAFT ENGAGING ANNULAR MEMBERS AND ABUTTING SAID FIRST ANNULAR MEMBER POLISHED, PLANAR SURFACE, A SECOND SEAL RING DISPOSED BETWEEN SAID FIRST AND SECOND SHAFT ENGAGING ANNULAR MEMBERS AND ABUTTING SAID SECOND ANNULAR MEMBER POLISHED, PLANAR SURFACE, SAID FIRST AND
References Cited (Backward Citations)
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Cited
US2000341A
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US2104355A
Cited
US2467960A
Cited
GB632957A
Cited
US2831713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |