US3347553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid seal
Assignee: General Electric Co
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Filing: 1966-05-23
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Granted: 1967-10-17
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Frank A Schweiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3404; F16J15/3408; F16J15/3412; F16J15/342; F01; F01D; F01D11/00; F01D11/02; F01D11/04; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
MEANS FOR PROVIDING A SEAL BETWEEN TWO RELATIVELY ROTATING MEMBERS, SAID SEALING MEANS COMPRISING, A RING MOUNTED ON ONE OF SAID MEMBERS FOR AXIAL MOVEMENT TOWARDS AND AWAY FROM THE OTHER OF SAID MEMBERS, SAID RING AND THE OTHER OF SAID MEMBERS HAVING OPPOSED RADIAL SEALING SURFACES, AN ANNULAR MEANS DEFINING A CHAMBER ON THE SIDE OF SAID RING OPPOSITE ITS SEALING SURFACE, INNER AND OUTER MEANS FOR CIRCUMFERENTIALLY SEALING SAID CHAMBER BETWEEN SAID RING AND SAID ONE MEMBER SO THAT THE CHAMBER MAY BE PRESSURIZED AND THE RING MAY BE AXIALLY DISPLACED, SAID RING MEMBER HAVING INTERRUPTED CIRCUMFERENTIAL GROOVES DEFINING INNER AND OUTER ANNULAR LANDS ON ITS SEALING SURFACE, PASSAGEWAY MEANS EXTENDING THROUGH SAID RING AND CONNECTING SAID GROOVES WITH SAID CHAMBER, MEANS FOR PRESSURIZING SAID CHAMBER TO PROVIDE A FORCE YIELDINGLY URGING SAID RING TO SAID OTHER MEMBER AND FURTHER PRESSURIZING THE GROOVES FOR URGING SAID RING
Claim 2
Dependent Claim
149 words
MEANS FOR PROVIDING A SEAL BETWEEN TWO RELATIVELY ROTATING MEMBERS, SAID SEALING MEANS COMPRISING, A RING MOUNTED ON ONE OF SAID MEMBERS FOR AXIAL MOVEMENT TOWARDS AND AWAY FROM THE OTHER OF SAID MEMBERS, SAID RING AND THE OTHER OF SAID MEMBERS HAVING OPPOSED RADIAL SEALING SURFACES, AN ANNULAR MEANS DEFINING A CHAMBER ON THE SIDE OF SAID RING OPPOSITE ITS SEALING SURFACE, INNER AND OUTER MEANS FOR CIRCUMFERENTIALLY SEALING SAID CHAMBER BETWEEN SAID RING AND SAID ONE MEMBER SO THAT THE CHAMBER MAY BE PRESSURIZED AND THE RING MAY BE AXIALLY DISPLACED, SAID RING MEMBER HAVING INTERRUPTED CIRCUMFERENTIAL GROOVES DEFINING INNER AND OUTER ANNULAR LANDS ON ITS SEALING SURFACE, PASSAGEWAY MEANS EXTENDING THROUGH SAID RING AND CONNECTING SAID GROOVES WITH SAID CHAMBER, MEANS FOR PRESSURIZING SAID CHAMBER TO PROVIDE A FORCE YIELDINGLY URGING SAID RING TO SAID OTHER MEMBER AND FURTHER PRESSURIZING THE GROOVES FOR URGING SAID RING
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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |