US3142260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump seal
Assignee: Borg Warner Corp
•
Filing: 1961-10-09
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Granted: 1964-07-28
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Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Delbert S Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:57
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F03; F03C; F03C2/00; F03C2/08; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026; F16; F16J; F16J9/00; F16J9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A HYDRAULIC APPARATUS COMPRISING: A HOUSING HAVING A CAVITY AND A PAIR OF END WALLS, INCLUDING AN END COVER CLOSING OFF SAID CAVITY; ROTATABLE MEANS HAVING SIDES THEREON DISPOSED IN SAID CAVITY; MEANS DEFINING AN INLET AND AN OUTLET IN SAID HOUSING LEADING RESPECTIVELY TO AND FROM SAID ROTATABLE MEANS WHEREBY SAID ROTATABLE MEANS RECEIVES FLUID FROM SAID INLET AND DELIVERS THE SAME OUT SAID OUTLET; AXIALLY MOVABLE JOURNAL BEARING MEANS DISPOSED IN SAID CAVITY ROTATABLY SUPPORTING SAID ROTATABLE MEANS; A THIN METALLIC MEMBER OF A GENERALLY RIGHT ANGULAR CROSS-SECTIONAL CONFIGURATION HAVING A FIRST SURFACE IN ENGAGEMENT WITH SAID JOURNAL BEARING AND HAVING A SECOND SURFACE IN ENGAGEMENT WITH SAID HOUSING, AND A RESILIENT MEMBER ACTING AGAINST SAID FIRST SURFACE TO MAINTAIN SAID FIRST SURFACE ENGAGEMENT WITH SAID JOURNAL BEARING AND ACTING AGAINST SAID SECOND SURFACE TO MAINTAIN SAID SECOND SURFACE IN ENGAGEMENT WITH SAID HOUSING SUCH THAT SAID THIN METALLIC MEMBER FORMS A SEAL BETWEEN SAID HOUSING AND SAID JOURNAL BEARING AND DEFINES A PRESSURE CAVITY BETWEEN SAID HOUSING AND SAID JOURNAL BEARING IN COMMUNICATION WITH SAID OUTLET WHEREBY FLUID IN SAID PRESSURE CAVITY MAINTAINS SAID AXIALLY MOVABLE JOURNAL BEARING IN ENGAGEMENT WITH SAID ROTATABLE MEANS.
Claim 2
Dependent Claim
197 words
A HYDRAULIC APPARATUS COMPRISING: A HOUSING HAVING A CAVITY AND A PAIR OF END WALLS, INCLUDING AN END COVER CLOSING OFF SAID CAVITY; ROTATABLE MEANS HAVING SIDES THEREON DISPOSED IN SAID CAVITY; MEANS DEFINING AN INLET AND AN OUTLET IN SAID HOUSING LEADING RESPECTIVELY TO AND FROM SAID ROTATABLE MEANS WHEREBY SAID ROTATABLE MEANS RECEIVES FLUID FROM SAID INLET AND DELIVERS THE SAME OUT SAID OUTLET; AXIALLY MOVABLE JOURNAL BEARING MEANS DISPOSED IN SAID CAVITY ROTATABLY SUPPORTING SAID ROTATABLE MEANS; A THIN METALLIC MEMBER OF A GENERALLY RIGHT ANGULAR CROSS-SECTIONAL CONFIGURATION HAVING A FIRST SURFACE IN ENGAGEMENT WITH SAID JOURNAL BEARING AND HAVING A SECOND SURFACE IN ENGAGEMENT WITH SAID HOUSING, AND A RESILIENT MEMBER ACTING AGAINST SAID FIRST SURFACE TO MAINTAIN SAID FIRST SURFACE ENGAGEMENT WITH SAID JOURNAL BEARING AND ACTING AGAINST SAID SECOND SURFACE TO MAINTAIN SAID SECOND SURFACE IN ENGAGEMENT WITH SAID HOUSING SUCH THAT SAID THIN METALLIC MEMBER FORMS A SEAL BETWEEN SAID HOUSING AND SAID JOURNAL BEARING AND DEFINES A PRESSURE CAVITY BETWEEN SAID HOUSING AND SAID JOURNAL BEARING IN COMMUNICATION WITH SAID OUTLET WHEREBY FLUID IN SAID PRESSURE CAVITY MAINTAINS SAID AXIALLY MOVABLE JOURNAL BEARING IN ENGAGEMENT WITH SAID ROTATABLE MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |