GB1276614A - Fuel injection system - Google Patents
Fuel injection systemInfo
- Publication number
- GB1276614A GB1276614A GB1508270A GB1508270A GB1276614A GB 1276614 A GB1276614 A GB 1276614A GB 1508270 A GB1508270 A GB 1508270A GB 1508270 A GB1508270 A GB 1508270A GB 1276614 A GB1276614 A GB 1276614A
- Authority
- GB
- United Kingdom
- Prior art keywords
- engine
- voltage
- gates
- generator
- characteristic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/32—Controlling fuel injection of the low pressure type
- F02D41/36—Controlling fuel injection of the low pressure type with means for controlling distribution
- F02D41/365—Controlling fuel injection of the low pressure type with means for controlling distribution with means for controlling timing and distribution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3005—Details not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
1276614 Fuel injection systems BENDIX CORP 31 March 1970 [14 April 1969] 15082/70 Heading G1N [Also in Division H3] In an I.C. engine fuel injection control system pulses released in accordance with the engine crank angle are used to sequentially apply signals to AND gates 422 of respective injectors and to initiate pulses of the required injection duration from a device 26, which pulses are also applied to all the AND gates 422. The device 26 includes a generator which provides a signal having a time varying characteristic and a threshold detector which detects when the characteristic reaches a selected valve which is set in dependence upon engine operating parameter e.g. intake pressure, engine temperature &c. During the period the characteristic is below the selected value a pulse is applied to each of the AND gates. In one embodiment, Fig.4 (not shown), the generator comprises a ramp voltage generator (222) and the threshold detector (224) includes an emitter coupled transistor pair (248), (250), the base of one transistor having applied thereto the ramp voltage and the base of the other a voltage dependent on the engine parameters. A switching device is connected in the emitter circuit such that when the ramp voltage is below the engine parameter voltage an output is applied to the AND gates. In an alternative, Fig.5 (not shown), a capacitor which is connected to the gate electrode of a F.E.T. is charged, and the F.E.T. has applied to its base electrodes a voltage dependent upon engine parameters, such that the F.E.T. becomes conductive when the charge on the capacitor reaches a value sufficient to overcome the voltage. Any number of AND gates may be provided and each AND gate may be arranged to operate a group of injectors. Fluctuations in battery voltage which effect energization of the injectors automatically vary the time-varying characteristic of the generator.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81580069A | 1969-04-14 | 1969-04-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1276614A true GB1276614A (en) | 1972-06-07 |
Family
ID=25218869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1508270A Expired GB1276614A (en) | 1969-04-14 | 1970-03-31 | Fuel injection system |
Country Status (7)
Country | Link |
---|---|
BR (1) | BR7018186D0 (en) |
CA (1) | CA936939A (en) |
DE (1) | DE2016167B2 (en) |
ES (1) | ES378553A1 (en) |
FR (1) | FR2046189A5 (en) |
GB (1) | GB1276614A (en) |
SE (1) | SE357798B (en) |
-
1969
- 1969-11-21 CA CA068085A patent/CA936939A/en not_active Expired
-
1970
- 1970-03-31 GB GB1508270A patent/GB1276614A/en not_active Expired
- 1970-04-04 DE DE19702016167 patent/DE2016167B2/en active Pending
- 1970-04-10 FR FR7013016A patent/FR2046189A5/fr not_active Expired
- 1970-04-13 BR BR21818670A patent/BR7018186D0/en unknown
- 1970-04-13 SE SE499770A patent/SE357798B/xx unknown
- 1970-04-14 ES ES378553A patent/ES378553A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR7018186D0 (en) | 1973-02-27 |
ES378553A1 (en) | 1972-07-16 |
SE357798B (en) | 1973-07-09 |
DE2016167B2 (en) | 1972-08-31 |
FR2046189A5 (en) | 1971-03-05 |
CA936939A (en) | 1973-11-13 |
DE2016167A1 (en) | 1970-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |