US3173260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid coupling
Assignee: Voith Getriebe KG
•
Filing: 1962-07-19
•
Granted: 1965-03-16
•
Expires: 1982-07-19
Abstract
No abstract record available.
Inventors
- 👤 Kugel Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:18
CPC Classifications
F; F16; F16D; F16D33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN COMBINATION IN A FLUID COUPLING: A BLADED PUMP WHEEL AND A BLADED TURBINE WHEEL CONFINING WITH EACH OTHER AN ANNULAR WORKING CHAMBER OPERABLE WHEN THE WHEELS ARE ROTATING FOR SUBJECTING A FLUID THEREIN TO A CIRCULATORY TORQUE TRANSMITTING FLOW AND THE CORE AREA OF SAID WORKING CHAMBER PROVIDING FOR SUBSTANTIALLY UNIMPEDED CIRCULAR FLOW OF THE FLUID IN ANY OF THE POSSIBLE COUPLING SLIP CONDITIONS, THE RADIALLY INNER EDGE OF THAT PART OF THE WORKING CHAMBER WHICH IS LOCATED WITHIN THE PUMP WHEEL BEING DISPOSED FARTHER FROM THE AXIS OF ROTATION OF THE COUPLING THAN THE RADIALLY INNER EDGE OF THAT PART OF THE WORKING CHAMBER WHICH IS LOCATED WITHIN THE TURBINE WHEEL, AN ANNULAR FLUID RECEIVING CHAMBER IN THE PUMP WHEEL LOCATED RADIALLY INWARDLY OF SAID INNER EDGE OF THE WORKING CHAMBER PART LOCATED IN THE PUMP WHEEL AND HAVING AN OPEN END FACE FACIG THAT PORTION OF THE
Claim 2
Dependent Claim
150 words
IN COMBINATION IN A FLUID COUPLING: A BLADED PUMP WHEEL AND A BLADED TURBINE WHEEL CONFINING WITH EACH OTHER AN ANNULAR WORKING CHAMBER OPERABLE WHEN THE WHEELS ARE ROTATING FOR SUBJECTING A FLUID THEREIN TO A CIRCULATORY TORQUE TRANSMITTING FLOW AND THE CORE AREA OF SAID WORKING CHAMBER PROVIDING FOR SUBSTANTIALLY UNIMPEDED CIRCULAR FLOW OF THE FLUID IN ANY OF THE POSSIBLE COUPLING SLIP CONDITIONS, THE RADIALLY INNER EDGE OF THAT PART OF THE WORKING CHAMBER WHICH IS LOCATED WITHIN THE PUMP WHEEL BEING DISPOSED FARTHER FROM THE AXIS OF ROTATION OF THE COUPLING THAN THE RADIALLY INNER EDGE OF THAT PART OF THE WORKING CHAMBER WHICH IS LOCATED WITHIN THE TURBINE WHEEL, AN ANNULAR FLUID RECEIVING CHAMBER IN THE PUMP WHEEL LOCATED RADIALLY INWARDLY OF SAID INNER EDGE OF THE WORKING CHAMBER PART LOCATED IN THE PUMP WHEEL AND HAVING AN OPEN END FACE FACIG THAT PORTION OF THE
References Cited (Backward Citations)
US2074346A
Cited
US2299883A
Cited
US2301645A
Cited
US2487250A
Cited
US2466356A
Cited
GB692286A
Cited
US2875581A
Cited
US3023582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |