US3118707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load modified electric distribution system for brakes
Assignee: Siemens Mobility Ltd
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Filing: 1961-05-05
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Granted: 1964-01-21
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Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Simmons Arthur William
- 👤 Washbourn Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:17
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/66; B60T13/665; B60T8/00; B60T8/18; B60T8/1893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A VARIABLE LOAD BRAKE CONTROLLING EQUIPMENT FOR VEHICLES COMPRISING, IN COMBINATION, A BRAKE CYLINDER, A FORCE ACTUATOR INCLUDING A SELF-LAPPING VALVE ACTUABLE THEREBY, MAGNET VALVE MEANS FOR SUPPLYING FLUID PRESSURE TO SAID FORCE ACTUATOR, REMOTE CONTROL MEANS FOR SELECTIVE ENERGIZATION OF SAID MAGNET VALVE MEANS TO PRODUCE A BRAKE CYLINDER PRESSURE IN ACCORDANCE WITH DIFFERENT COMBINATIONS OF ENERGIZATION OF SAID MAGNET VALVE MEANS, AND A VARIABLE LOAD VALVE FOR PROVIDING A PRESSURE IN PROPORTION TO THE VEHICLE LOAD, SAID MAGNET VALVE MEANS BEING SUPPLIED WITH FLUID PRESSURE DELIVERED BY SAID VARIABLE LOAD VALVE SUCH THAT THE RESULTANT BRAKE CYLINDER PRESSURE DELIVERED VIA SAID SELF-LAPPING VALVE IS DEPENDENT PROPORTIONATELY ON THE DEGREE OF REGULATION OF THE REMOTE CONTROL MEANS AND ON THE LOAD OF THE VEHICLE.
Claim 2
Dependent Claim
125 words
A VARIABLE LOAD BRAKE CONTROLLING EQUIPMENT FOR VEHICLES COMPRISING, IN COMBINATION, A BRAKE CYLINDER, A FORCE ACTUATOR INCLUDING A SELF-LAPPING VALVE ACTUABLE THEREBY, MAGNET VALVE MEANS FOR SUPPLYING FLUID PRESSURE TO SAID FORCE ACTUATOR, REMOTE CONTROL MEANS FOR SELECTIVE ENERGIZATION OF SAID MAGNET VALVE MEANS TO PRODUCE A BRAKE CYLINDER PRESSURE IN ACCORDANCE WITH DIFFERENT COMBINATIONS OF ENERGIZATION OF SAID MAGNET VALVE MEANS, AND A VARIABLE LOAD VALVE FOR PROVIDING A PRESSURE IN PROPORTION TO THE VEHICLE LOAD, SAID MAGNET VALVE MEANS BEING SUPPLIED WITH FLUID PRESSURE DELIVERED BY SAID VARIABLE LOAD VALVE SUCH THAT THE RESULTANT BRAKE CYLINDER PRESSURE DELIVERED VIA SAID SELF-LAPPING VALVE IS DEPENDENT PROPORTIONATELY ON THE DEGREE OF REGULATION OF THE REMOTE CONTROL MEANS AND ON THE LOAD OF THE VEHICLE.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |