US3149465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic coupling with thermosensitive control means
Assignee: Motors Liquidation Co
•
Filing: 1960-08-19
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Granted: 1964-09-22
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Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 Jesse E Eshbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:47
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F01P7/042; F04; F04D; F04D25/00; F04D25/02; F04D25/022; F16; F16D; F16D35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A VARIABLE SPEED DRIVE COMPRISING A ROTATABLE POWER INPUT SHAFT, A POWER DELIVERY HOUSING SUPPORTED UPON SAID SHAFT FOR ROTATION AT VARIABLE SPEEDS OF ROTATION WITH RESPECT THERETO, SAID ROTATABLE POWER DELIVERY HOUSING FORMING A WORKING CHAMBER, WORKING FLUID IN SAID CHAMBER, AN IMPELLER DRIVEN BY SAID SHAFT AND A TURBINE ROTATABLE WITH SAID HOUSING DISPOSED IN SAID CHAMBER IN FIXED SPACED RELATIONSHIP WITH RESPECT TO EACH OTHER, SAID IMPELLER AND TURBINE EACH INCLUDING A SERIES OF OPEN-FACED RECESSES DISPOSED IN CONCENTRIC RELATIONSHIP WITH RESPECT TO EACH OTHER AND WITH THE OPEN FACES OF THE IMPELLER AND TURBINE ADJACENT TO EACH OTHER, A ROTATABLE VARIABLE CAPACITY RESERVOIR FORMED BY SAID ROTATABLE POWER DELIVERY HOUSING INCLUDING A DIAPHRAGM CARRIED BY SAID DRIVEN HOUSING AND FORMING AN AXIALLY MOVABLE WALL OF SAID RESERVOIR,
Claim 2
Dependent Claim
131 words
A VARIABLE SPEED DRIVE COMPRISING A ROTATABLE POWER INPUT SHAFT, A POWER DELIVERY HOUSING SUPPORTED UPON SAID SHAFT FOR ROTATION AT VARIABLE SPEEDS OF ROTATION WITH RESPECT THERETO, SAID ROTATABLE POWER DELIVERY HOUSING FORMING A WORKING CHAMBER, WORKING FLUID IN SAID CHAMBER, AN IMPELLER DRIVEN BY SAID SHAFT AND A TURBINE ROTATABLE WITH SAID HOUSING DISPOSED IN SAID CHAMBER IN FIXED SPACED RELATIONSHIP WITH RESPECT TO EACH OTHER, SAID IMPELLER AND TURBINE EACH INCLUDING A SERIES OF OPEN-FACED RECESSES DISPOSED IN CONCENTRIC RELATIONSHIP WITH RESPECT TO EACH OTHER AND WITH THE OPEN FACES OF THE IMPELLER AND TURBINE ADJACENT TO EACH OTHER, A ROTATABLE VARIABLE CAPACITY RESERVOIR FORMED BY SAID ROTATABLE POWER DELIVERY HOUSING INCLUDING A DIAPHRAGM CARRIED BY SAID DRIVEN HOUSING AND FORMING AN AXIALLY MOVABLE WALL OF SAID RESERVOIR,
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |