US3614945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for admitting fuel into intake manifolds of internal combustion engines during starting
Assignee: Robert Bosch GmbH
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Filing: 1969-07-22
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Granted: 1971-10-26
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Expires: 1989-07-22
Abstract
Abstract AN INTERNAL COMBUSTION ENGINE WITH FUEL INJECTION INTO THE INTAKE MANIFOLD WHEREIN AN ELECTROMAGNETIC VALVE ADMITS ADDITIONAL FUEL INTO THE INTAKE MANIFOLD IN RESPONSE TO ACTUATION OF THE STARTER. THE VALVE CAN ADMIT FUEL CONTINUOUSLY OR INTERMITTENTLY, EITHER DURING THE TIME OF ACTUATION OF THE STARTER OR DURING THIS TIME AND FOR AN ADDITIONAL PREDETERMINED INTERVAL OF TIME FOLLOWING TERMINATION OF SUCH ACTUATION. THE COIL OF THE VALVE IS ENERGIZED ON CLOSING OF THE STARTER SWITCH WHEREBY THE FUEL CAN FLOW THROUGH A PASSAGE OF PREDETERMINED VOLUME AND ISSUES FROM THE ORIFICE OF AN ATOMIZING NOZZLE WHICH IS INSTALLED IN THE INTAKE MANIFOLD.
Inventors
- 👤 Walter Schlagmuller
- 👤 Hans Zeller
- 👤 Rudolf Babitzka
- 👤 Otto Glockler
- 👤 Dieter Eichler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:03
CPC Classifications
F; F02; F02D; F02D41/00; F02D41/30; F02D41/3094; F02M; F02M51/00; F02M51/005; F02M51/02; F02M51/06; F02M51/061; F02M51/0614; F02M51/0625; F02M51/0664; F02M51/0667; F02M51/08; F02M61/00; F02M61/16; F02M61/162; F02M69/00; F02M69/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |