Electrically controlled fuel injection arrangement for internal combustion engines
Abstract
Abstract A FUEL INJECTION ARRANGEMENT IN WHICH A MONOSTABLE MULTIVIBRATOR APPLIES CONTROL PULSES TO ELECTROMAGNETICALLY ACTUATED FUEL INJECTION VALVES OF THE ENGINES. A SWITCHING CIRCUIT IS LINKED TO THE THROTTLE OF THE ENGINE FOR THE PURPOSE OF APPLYING AUXILIARY INJECTION BETWEEN EACH TWO SUCCESSIVELY OCCURRING PULSES FROM THE MULTIVIBRATOR WHICH IS ACTUATED SYNCHRONOUSLY WITH THE ROTATIONAL SPEED OF THE ENGINE. THE SWITCHING CIRCUIT INCLUDES A CAM MEMBER WHICH IS COUPLED TO THE THROTTLE THROUGH AN OVERRUNNING SLIP CLUTCH. THE CAM MEMBER IS ROTATED WITH THE THROTTLE ONLY DURING THE OPENING MOTIRON THEREOF, WHEREAS THE CLUTCH DISENGAGES THE CAM MEMBER FROM THE THROTTLE WHEN THE LATTER EXECUTES CLOSING MOTIONS.
Inventors
- 👤 Hans Joachim Helle
Bibliographic Details
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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) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |