US3235043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic transmission
Assignee: Valeo SE
•
Filing: 1963-04-10
•
Granted: 1966-02-15
•
Expires: 1983-04-10
Abstract
No abstract record available.
Inventors
- 👤 Maurice Jean
- 👤 Brise Raymond Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:30
CPC Classifications
F; F16; F16H; F16H45/00; F16H2045/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A HYDRAULIC TRANSMISSION COMPRISING A DRIVING SHAFT AND AT LEAST ONE DRIVEN SHAFT, MEANS DEFINING A WORKING CHAMBER AND A CLUTCH CHAMBER, IMPELLER MEANS IN THE WORKING CHAMBER FIXED FOR ROTATION WITH THE DRIVING SHAFT, CLUTCH MEANS IN THE CLUTCH CHAMBER COMPRISING AT LEAST A PAIR OF PLATES DISPOSED IN CYLINDER AND PISTON RELATIONSHIP, ONE OF SAID PLATES BEING MOUNTED FOR AXIAL SLIDING MOVEMENT RELATIVE TO THE OTHER OF SAID PLATES, FRICTION DISC MEANS DISPOSED BETWEEN SAID PLATES AND FIXED FOR ROTATION WITH SAID DRIVEN SHAFT, TURBINE MEANS IN SAID WORKING CHAMBER FIXED FOR ROTATION WITH SAID CLUTCH MEANS, AT LEAST ONE OF THE INNER WALLS OF SAID CLUTCH CHAMBER BEING IN UNITARY ASSEMBLY WITH THE DRIVING SHAFT, PUMP MEANS HAVING AN OUTLET FOR SUPPLYING LIQUID UNDER PRESSURE TO THE TRANSMISSION, AND CONDUIT MEANS COMMUNICATING BETWEEN SAID PUMP OUTLET AND THAT PORTION OF THE INTERIOR OF THE CLUTCH CHAMBER WHICH IS ADJACENT TO SAID WALL OF THE CLUTCH CHAMBER AND BYPASSING SAID WORKING CHAMBER, WHEREBY LIQUID IS DELIVERED FROM THE PUMP TO THE CLUTCH CHAMBER IN BYPASS RELATIONSHIP WITH THE WORKING CHAMBER.
Claim 2
Dependent Claim
182 words
A HYDRAULIC TRANSMISSION COMPRISING A DRIVING SHAFT AND AT LEAST ONE DRIVEN SHAFT, MEANS DEFINING A WORKING CHAMBER AND A CLUTCH CHAMBER, IMPELLER MEANS IN THE WORKING CHAMBER FIXED FOR ROTATION WITH THE DRIVING SHAFT, CLUTCH MEANS IN THE CLUTCH CHAMBER COMPRISING AT LEAST A PAIR OF PLATES DISPOSED IN CYLINDER AND PISTON RELATIONSHIP, ONE OF SAID PLATES BEING MOUNTED FOR AXIAL SLIDING MOVEMENT RELATIVE TO THE OTHER OF SAID PLATES, FRICTION DISC MEANS DISPOSED BETWEEN SAID PLATES AND FIXED FOR ROTATION WITH SAID DRIVEN SHAFT, TURBINE MEANS IN SAID WORKING CHAMBER FIXED FOR ROTATION WITH SAID CLUTCH MEANS, AT LEAST ONE OF THE INNER WALLS OF SAID CLUTCH CHAMBER BEING IN UNITARY ASSEMBLY WITH THE DRIVING SHAFT, PUMP MEANS HAVING AN OUTLET FOR SUPPLYING LIQUID UNDER PRESSURE TO THE TRANSMISSION, AND CONDUIT MEANS COMMUNICATING BETWEEN SAID PUMP OUTLET AND THAT PORTION OF THE INTERIOR OF THE CLUTCH CHAMBER WHICH IS ADJACENT TO SAID WALL OF THE CLUTCH CHAMBER AND BYPASSING SAID WORKING CHAMBER, WHEREBY LIQUID IS DELIVERED FROM THE PUMP TO THE CLUTCH CHAMBER IN BYPASS RELATIONSHIP WITH THE WORKING CHAMBER.
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |