Patent US2091068A successfully refreshed from Google Patents.
Patent US3327477A successfully refreshed from Google Patents.
US3327477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable torque converter
Assignee: Individual
•
Filing: 1965-10-22
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Granted: 1967-06-27
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Sterling O Stageberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:10
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/34; F16H39/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A TORQUE CONVERTER HAVING A DRIVE MEMBER, A DRIVEN MEMBER AND A VARIABLE SPEED MEMBER ACTUATED SO THAT THE SPEED OF ROTATION OF SAID DRIVEN MEMBER RELATIVE TO THE SPEED OF ROTATION OF SAID DRIVE MEMBER IS PROPORTIONAL TO THE SPEED OF SAID VARIABLE SPEED MEMBER; MEANS TO CONTROL THE SPEED OF SAID VARIABLE SPEED MEMBER RELATIVE TO SAID DRIVEN MEMBER COMPRISING, HYDRAULIC FLUID PUMP MEANS HAVING A FLUID INLET AND A FLUID DISCHARGE AND OPERATED BY COOPERATION OF SAID DRIVEN MEMBER AND SAID VARIABLE SPEED MEMBER, A HYDRAULIC FLUID MOTOR HAVING A FLUID INLET AND BEING DRIVINGLY CONNECTED WITH SAID DRIVE MEMBER, MEANS FORMING A RELATIVELY UNRESTRICTED PASSAGEWAY FROM THE DISCHARGE OF SAID PUMP MEANS TO THE INTAKE OF SAID MOTOR MEANS FOR CONDUCTING FLUID FROM THE OUTLET OF SAID PUMP TO THE INLET OF SAID MOTOR, AND MEANS FOR CONTROLLING THE FLUID PRESSURE IN SAID PASSAGEWAY.
Claim 2
Dependent Claim
149 words
IN A TORQUE CONVERTER HAVING A DRIVE MEMBER, A DRIVEN MEMBER AND A VARIABLE SPEED MEMBER ACTUATED SO THAT THE SPEED OF ROTATION OF SAID DRIVEN MEMBER RELATIVE TO THE SPEED OF ROTATION OF SAID DRIVE MEMBER IS PROPORTIONAL TO THE SPEED OF SAID VARIABLE SPEED MEMBER; MEANS TO CONTROL THE SPEED OF SAID VARIABLE SPEED MEMBER RELATIVE TO SAID DRIVEN MEMBER COMPRISING, HYDRAULIC FLUID PUMP MEANS HAVING A FLUID INLET AND A FLUID DISCHARGE AND OPERATED BY COOPERATION OF SAID DRIVEN MEMBER AND SAID VARIABLE SPEED MEMBER, A HYDRAULIC FLUID MOTOR HAVING A FLUID INLET AND BEING DRIVINGLY CONNECTED WITH SAID DRIVE MEMBER, MEANS FORMING A RELATIVELY UNRESTRICTED PASSAGEWAY FROM THE DISCHARGE OF SAID PUMP MEANS TO THE INTAKE OF SAID MOTOR MEANS FOR CONDUCTING FLUID FROM THE OUTLET OF SAID PUMP TO THE INLET OF SAID MOTOR, AND MEANS FOR CONTROLLING THE FLUID PRESSURE IN SAID PASSAGEWAY.
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 |