US4756293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection apparatus
Assignee: Bosch Corp
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Filing: 1987-02-20
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Granted: 1988-07-12
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Expires: 2007-02-20
Abstract
Abstract A fuel injection apparatus for injecting fuel adjusted in quantity in response to at least one of engine load and engine speed by utilization of the pressure of compressed air has the characteristic that the supplying time of the compressed air is set longer at at least one of low engine load and low engine speed that at at least one of high engine load and high engine speed.
Inventors
- 👤 Yuji Suzuki
- 👤 Yoshio Kuroda
- 👤 Kiyotaka Ogata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:14
CPC Classifications
F; F02; F02D; F02D35/00; F02D35/0007; F02D41/00; F02D41/30; F02D41/3005; F02M; F02M69/00; F02M69/08; F02D2041/3088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A fuel injection apparatus for injecting fuel responsive to a rotary speed of an engine by utilizing the pressure of compressed air, said apparatus comprising means for regulating the supplying time of the compressed air responsive to at least one of the rotary speed of the engine and the load of the engine, and said regulating means including means for supplying the compressed air for a longer time at at least one of low rotary speed and low load of the engine than at at least one of high rotary speed and high load of the engine.
Claim 2
Dependent Claim
97 words
A fuel injection apparatus for injecting fuel responsive to a rotary speed of an engine by utilizing the pressure of compressed air, said apparatus comprising means for regulating the supplying time of the compressed air responsive to at least one of the rotary speed of the engine and the load of the engine, and said regulating means including means for supplying the compressed air for a longer time at at least one of low rotary speed and low load of the engine than at at least one of high rotary speed and high load of the engine.
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) | 1991-07-12 | 1992-01-11 | 1992-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-12 | 1996-01-11 | 1996-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-12 | 2000-01-11 | 2000-07-12 | $7700.00 | Window Closed / Lapsed |