Timing signal generator
Abstract
Abstract A TIMING SIGNAL GENERATOR FOR PRODUCING ELECTRICAL PULSES TO CONTROL THE ACTUATION OF FUEL-INJECTION VALVES IN A DIESEL ENGINE SYSTEM AND TO PROVIDE AUTOMATIC TIMING ADVANCE. A ROTATING APERTURED MASK IS DRIVEN BY THE ENGINE THROUGH A CENTRIGUAL ADVANCE-RETARD DEVICE, AND PHOTOELECTRIC MEANS PRODUCE A TIMING PULSE EACH TIME SAID APERTURED MASK ATTAINS A PREDETERMINED ANGULAR POSITION WITH RESPECT TO THE PHOTOELECTRIC MEANS. THE PHOTOELECTRIC MEANS ARE ANGULARLY POSITIONABLE IN RESPONSE TO MOTION OF THE FUEL CONTROL OF THE ENGINE, WHEREBY THE PHOTOELECTRICALLY PRODUCED PULSES HAVE TIME PHASES WHICH VARY NOT ONLY WITH SPEED OF THE ENGINE BUT ALSO WITH THE RATE OF FUEL SUPPLY THERETO, AND PRODUCE CORRESPONDING VARIATIONS IN TIMING ADVANCE.
Inventors
- 👤 John A Kimberley
- 👤 Russell B Hussey
Bibliographic Details
Claims Analysis
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |