US3103129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Motors Liquidation Co
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Filing: 1959-06-19
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Granted: 1963-09-10
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Expires: 1979-06-19
Abstract
No abstract record available.
Inventors
- 👤 Earl L Egbert
- 👤 Carl E Shellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:05
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/10; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A HYDRODYNAMIC BRAKE FOR AN ENGINE DRIVEN VEHICLE; THE COMBINATION OF AN INPUT SHAFT DRIVE CONNECTED TO THE VEHICLE ENGINE; AN OUTPUT SHAFT DRIVE CONNECTED TO THE VEHICLE WHEELS; MEANS FOR DRIVE CONNECTING THE INPUT AND OUTPUT SHAFTS; THE HYDRODYNAMIC BRAKE BEING ARRANGED TO RESIST ROTATION OF ONE OF THE SHAFTS; AND A CONTROL SYSTEM FOR THE HYDRODYNAMIC BRAKE COMPRISING FLUID SUPPLY MEANS OPERATIVE FOR CONTROLLING THE DELIVERY OF FLUID TO THE HYDRODYNAMIC BRAKE, FLUID EXHAUST MEANS OPERATIVE FOR CONTROLLING THE EXHAUST OF FLUID FROM THE HYDRODYNAMIC BRAKE SO AS TO CAUSE FLUID TO BE EXHAUSTED AT DIFFERENT RATES, AND MEANS RESPONSIVE TO THE TORQUE DEMAND ON THE ENGINE FOR RENDERING THE SUPPLY MEANS INOPERATIVE TO DELIVER FLUID TO THE HYDRODYNAMIC BRAKE.
Claim 2
Dependent Claim
123 words
IN A HYDRODYNAMIC BRAKE FOR AN ENGINE DRIVEN VEHICLE; THE COMBINATION OF AN INPUT SHAFT DRIVE CONNECTED TO THE VEHICLE ENGINE; AN OUTPUT SHAFT DRIVE CONNECTED TO THE VEHICLE WHEELS; MEANS FOR DRIVE CONNECTING THE INPUT AND OUTPUT SHAFTS; THE HYDRODYNAMIC BRAKE BEING ARRANGED TO RESIST ROTATION OF ONE OF THE SHAFTS; AND A CONTROL SYSTEM FOR THE HYDRODYNAMIC BRAKE COMPRISING FLUID SUPPLY MEANS OPERATIVE FOR CONTROLLING THE DELIVERY OF FLUID TO THE HYDRODYNAMIC BRAKE, FLUID EXHAUST MEANS OPERATIVE FOR CONTROLLING THE EXHAUST OF FLUID FROM THE HYDRODYNAMIC BRAKE SO AS TO CAUSE FLUID TO BE EXHAUSTED AT DIFFERENT RATES, AND MEANS RESPONSIVE TO THE TORQUE DEMAND ON THE ENGINE FOR RENDERING THE SUPPLY MEANS INOPERATIVE TO DELIVER FLUID TO THE HYDRODYNAMIC BRAKE.
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |