GB1307953A - Fuel feed devices for internal combustion engines - Google Patents
Fuel feed devices for internal combustion enginesInfo
- Publication number
- GB1307953A GB1307953A GB1629271A GB1307953DA GB1307953A GB 1307953 A GB1307953 A GB 1307953A GB 1629271 A GB1629271 A GB 1629271A GB 1307953D A GB1307953D A GB 1307953DA GB 1307953 A GB1307953 A GB 1307953A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diode
- photo
- illuminated
- throttle
- fuel
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
- F02D41/182—Circuit arrangements for generating control signals by measuring intake air flow for the control of a fuel injection device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/02—Fuel-injection apparatus characterised by being operated electrically specially for low-pressure fuel-injection
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
1307953 Controlling fuel injection SOCIETE INDUSTRIELLE DE BREVETS ET D'ETUDES 21 May 1971 [5 June 19701 16296/71 Addition to 1207228 Heading F1B The invention relates to a modification of an I.C. fuel feed device described in Specification 1207228 in which fuel is fed to the intake pipe 1 of an I.C, engine downstream of the main throttle 2, an auxiliary throttle 3 responsive to airflow in the pipe 1 controlling a metering system to regulate the fuel injected to keep the mixture strength substantially constant. The metering system comprises an engine driven disc 18 having apertures 23 through which light can pass from a source 20 to a photo-diode 21, both carried by support 22 connected to auxiliary throttle 3 which moves support 22 towards shaft 19 as throttle 3 opens. The electrical output of the photo-diode 21 and the output from a photo-diode 77 providing a synchronizing signal in conjunction with steps 79 on disc 18 are fed to a pair of AND gates 71 and 72 the signal to gate 72 from photodiode 77 passing through an inverter 80. The outputs from AND gates 71 and 72 pass to amplifier 28 and then to electromagnets 17. The arrangement is such that when photo-diode 21 is illuminated, one or other of the valves 16 is open, depending upon whether photo-diode 77 is illuminated or not. It is arranged that change of state of photo-diode 77 occurs only when photo-diode 21 is not illuminated so that the times of opening of valves 16 depend only upon the times of illumination of photo-diode 21.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7020853A FR2093235A6 (en) | 1970-06-05 | 1970-06-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1307953A true GB1307953A (en) | 1973-02-21 |
Family
ID=9056796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1629271A Expired GB1307953A (en) | 1970-06-05 | 1971-05-21 | Fuel feed devices for internal combustion engines |
Country Status (8)
Country | Link |
---|---|
US (1) | US3720190A (en) |
BR (1) | BR7103383D0 (en) |
DE (1) | DE2125959A1 (en) |
ES (1) | ES391513A1 (en) |
FR (1) | FR2093235A6 (en) |
GB (1) | GB1307953A (en) |
IT (1) | IT1045059B (en) |
SE (1) | SE359618B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5139056Y2 (en) * | 1972-06-07 | 1976-09-24 | ||
DE2458946C2 (en) * | 1974-12-12 | 1983-02-17 | Siemens AG, 1000 Berlin und 8000 München | Optical analog read-only memory |
DE2846804C2 (en) * | 1978-10-27 | 1982-08-12 | Volkswagenwerk Ag, 3180 Wolfsburg | Method and arrangement for achieving a correction of a characteristic which is stored in a control device for a fuel metering element of an internal combustion engine |
US4488530A (en) * | 1983-02-22 | 1984-12-18 | Isadore Turetsky | Controlling and switching mechanism |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1526505A1 (en) * | 1966-11-11 | 1970-04-16 | Bosch Gmbh Robert | Fuel injection system |
FR1546748A (en) * | 1967-10-11 | 1968-11-22 | Sibe | Improvements in fuel supply devices for internal combustion engines |
DE1751072A1 (en) * | 1968-03-28 | 1971-02-11 |
-
1970
- 1970-06-05 FR FR7020853A patent/FR2093235A6/fr not_active Expired
-
1971
- 1971-05-18 IT IT50389/71A patent/IT1045059B/en active
- 1971-05-21 GB GB1629271A patent/GB1307953A/en not_active Expired
- 1971-05-24 US US00146029A patent/US3720190A/en not_active Expired - Lifetime
- 1971-05-25 ES ES391513A patent/ES391513A1/en not_active Expired
- 1971-05-25 DE DE19712125959 patent/DE2125959A1/en active Pending
- 1971-06-02 BR BR3383/71A patent/BR7103383D0/en unknown
- 1971-06-03 SE SE07211/71A patent/SE359618B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES391513A1 (en) | 1973-07-01 |
US3720190A (en) | 1973-03-13 |
FR2093235A6 (en) | 1972-01-28 |
SE359618B (en) | 1973-09-03 |
DE2125959A1 (en) | 1971-12-23 |
BR7103383D0 (en) | 1973-04-17 |
IT1045059B (en) | 1980-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |