US3106057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic starting system having a source with a decaying pressure characteristic
Assignee: New York Air Brake LLC
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Filing: 1961-02-27
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Granted: 1963-10-08
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Edward V Manning
- 👤 Jolm P Mentink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:25
CPC Classifications
F; F02; F02N; F02N7/00; F02N7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD OF ACCELERATING AN ENGINE TO STARTER CUT-OUT SPEED DURING A STARTING CYCLE USING A VARIABLE DISPLACEMENT MOTOR COMPRISING SUPPLYING FLUID TO THE MOTOR AT A PRESSURE THAT DECREASES AS THE TIME OF OPERATION OF THE MOTOR INCREASES; OPERATING THE MOTOR AT MAXIMUM DISPLACEMENT FROM THE BEGINNING OF THE STARTING CYCLE UNTIL SUPPLY PRESSURE REDUCES TO A PREDETERMINED VALUE; AND THEREAFTER REDUCING MOTOR DISPLACEMENT TOWARD ZERO.
Claim 2
Independent Claim
67 words
THE METHOD OF ACCELERATING AN ENGINE TO STARTER CUT-OUT SPEED DURING A STARTING CYCLE USING A VARIABLE DISPLACEMENT MOTOR COMPRISING SUPPLYING FLUID TO THE MOTOR AT A PRESSURE THAT DECREASES AS THE TIME OF OPERATION OF THE MOTOR INCREASES; OPERATING THE MOTOR AT MAXIMUM DISPLACEMENT FROM THE BEGINNING OF THE STARTING CYCLE UNTIL SUPPLY PRESSURE REDUCES TO A PREDETERMINED VALUE; AND THEREAFTER REDUCING MOTOR DISPLACEMENT TOWARD ZERO.
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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |