Patent US3328094A successfully refreshed from Google Patents.
US3328094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial bearings of the pump type
Assignee: US Philips Corp
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Filing: 1965-01-21
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Granted: 1967-06-27
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Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Muijderman Everhardus Albertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:01
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/106; F16C33/107; F16C17/00; F16C17/04; F16C17/045; F16C17/08; F16C33/72; F16C33/74; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3404; F16J15/3408; F16J15/3412; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A FLUID LUBRICATED AXIAL BEARING COMPRISING A ROTATABLE PRESSURE MEMBER; A SHAFT INTEGRAL WITH AND CONCENTRIC TO SAID PRESSURE MEMBER; SUPPORT MEANS CONCENTRIC WITH SAID SHAFT AND HAVING A FACE IN CONFRONTING RELATION TO A FACE ON SAID PRESSURE MEMBER, SAID CONFRONTING FACES PROVIDING BEARING SURFACES WHEN PRESSURIZED LUBRICANT IS PASSED THEREBETWEEN; AND A SEAL ASSEMBLY COMPRISING AN ANNULAR BODY IN NARROWLY GAPPED SPACED RELATION WITH SAID SHAFT AND LOCATED IN A GROOVE ON THE INTERNAL DIAMETRAL SURFACE OF SAID SUPPORT MEANS AND RADIALLY MOVABLE THEREIN, AND A RING SEAL POSITIONED BETWEEN THE FACE OF SAID ANNULAR BODY REMOTE FROM SAID CONFRONTING FACES AND A SIDEWALL OF SAID GROOVE, WHICH IS ADAPTED TO SEALINGLY ENGAGE SAID ANNULAR BODY AND SAID SIDEWALL WHEN SAID PRESSURIZED FLUID ACTS ON SAID ANNULAR BODY FACE OPPOSITE SAID SEALING FACE.
Claim 2
Dependent Claim
135 words
A FLUID LUBRICATED AXIAL BEARING COMPRISING A ROTATABLE PRESSURE MEMBER; A SHAFT INTEGRAL WITH AND CONCENTRIC TO SAID PRESSURE MEMBER; SUPPORT MEANS CONCENTRIC WITH SAID SHAFT AND HAVING A FACE IN CONFRONTING RELATION TO A FACE ON SAID PRESSURE MEMBER, SAID CONFRONTING FACES PROVIDING BEARING SURFACES WHEN PRESSURIZED LUBRICANT IS PASSED THEREBETWEEN; AND A SEAL ASSEMBLY COMPRISING AN ANNULAR BODY IN NARROWLY GAPPED SPACED RELATION WITH SAID SHAFT AND LOCATED IN A GROOVE ON THE INTERNAL DIAMETRAL SURFACE OF SAID SUPPORT MEANS AND RADIALLY MOVABLE THEREIN, AND A RING SEAL POSITIONED BETWEEN THE FACE OF SAID ANNULAR BODY REMOTE FROM SAID CONFRONTING FACES AND A SIDEWALL OF SAID GROOVE, WHICH IS ADAPTED TO SEALINGLY ENGAGE SAID ANNULAR BODY AND SAID SIDEWALL WHEN SAID PRESSURIZED FLUID ACTS ON SAID ANNULAR BODY FACE OPPOSITE SAID SEALING FACE.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |