GB722739A - Improvements in carburetters for internal combustion engines - Google Patents
Improvements in carburetters for internal combustion enginesInfo
- Publication number
- GB722739A GB722739A GB13328/52A GB1332852A GB722739A GB 722739 A GB722739 A GB 722739A GB 13328/52 A GB13328/52 A GB 13328/52A GB 1332852 A GB1332852 A GB 1332852A GB 722739 A GB722739 A GB 722739A
- Authority
- GB
- United Kingdom
- Prior art keywords
- idling
- fuel
- passage
- throttle valve
- valve
- 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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M3/00—Idling devices for carburettors
- F02M3/02—Preventing flow of idling fuel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Abstract
722,739. Carburetters. SOLEX. May 26, 1952 [June 21, 1951], No. 13328/52. Class 7 (3). A carburetter including an idling device capable of feeding the engine with an air and fuel mixture when the throttle valve is in its idling position, i.e. in its position of maximum closing or very close to this position and including a device adapted by modifying the section of at least one air or fuel or mixture passage of the idling device to reduce or cut off the fuel delivery of the idling device when the degree of opening of the throttle valve is greater than that which corresponds to idling, embodies means adapted to delay the re-establishment of the normal fuel delivery of the idling device after the throttle valve has been brought back from an open position to its idling position. In Fig. 1, a well 8 supplied with fuel from the fuel passage 5 leading to a main nozzle 4 supplies idling fuel to a passage 10 to which air is admitted through an orifice 11 and which leads to at least one orifice for instance to orifices 12, 13 (adjustable by screw 14 Fig. 2) adjacent the edge of the throttle valve. A valve 22 operated by a diaphragm 18 exposed to the suction on the engine side of the throttle valve is employed to close or partly close the mixture passage 10 when the suction is below a predetermined value and to open it with some lag when the throttle valve is brought back to its idling position. The desired lag is produced by use of a restricted passage or orifice 20 through which the suction is transmitted to the diaphragm. A delay in feeding fuel through the idling jet is obtained. In Fig. 2 a valve 25 is employed to control the air supply to the passage 10. The valve 25 is operated by a diaphragm 26 subjected to the suction on the engine side of the throttle valve. A by-pass passage 27 around the valve 25 is employed. A restricted orifice 20 is inserted in the conduit 19. The temporary cutting off of the idling jet facilitates starting when the engine is warm.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR722739X | 1951-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB722739A true GB722739A (en) | 1955-01-26 |
Family
ID=9102545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13328/52A Expired GB722739A (en) | 1951-06-21 | 1952-05-26 | Improvements in carburetters for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB722739A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071189A2 (en) * | 1981-07-27 | 1983-02-09 | Gerhard Waschkuttis | Gasoline economizing device for internal combustion engines |
-
1952
- 1952-05-26 GB GB13328/52A patent/GB722739A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071189A2 (en) * | 1981-07-27 | 1983-02-09 | Gerhard Waschkuttis | Gasoline economizing device for internal combustion engines |
| EP0071189A3 (en) * | 1981-07-27 | 1984-10-24 | Gerhard Waschkuttis | Gasoline economizing device for internal combustion engines |
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