GB580340A - Improvements in or relating to carburettors for internal-combustion engines - Google Patents
Improvements in or relating to carburettors for internal-combustion enginesInfo
- Publication number
- GB580340A GB580340A GB12670/44A GB1267044A GB580340A GB 580340 A GB580340 A GB 580340A GB 12670/44 A GB12670/44 A GB 12670/44A GB 1267044 A GB1267044 A GB 1267044A GB 580340 A GB580340 A GB 580340A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- cylinder
- valve
- fuel
- throttle
- 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
- F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
- F02M7/06—Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system
- F02M7/08—Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system using pumps
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
580,340. Spray carburetters. BEDALE, P. W. July 3, 1944, No. 12670. [Class 7 (iii)] In order to supply increased fuel to an engine momentarily as the throttle is opened a carburetter has fuel delivered to a supply chamber 12, communicating through a jet (not shown) with a chamber 13 leading to the induction pipe, through a port controlled by a valve 21 actuated by a diaphragm 11, normally operated to close the valve by the pressure difference between chambers 12 and 13 and connected to a piston 16 operated by a throttle actuated pump 17. When the throttle control is opened a pump piston 19, which is connected to it by a rod 20, moves into a cylinder 17 and forces fuel through a conduit 18 into a cylinder 15, increasing pressure therein and loading diaphragm 11, through piston 16, so that valve 21 is opened. The pressure in the supply chamber 12 is also increased and results in an increased flow of fuel to the engine. When the throttle movement ceases, the pressure in the cylinder 15 is reduced by leakage past the piston 16 until it is equal to the pressure in, conduit 14. An automatic valve 22 is mounted on the pump piston 19 and opens when the piston moves out of the cylinder 17, when the throttle is closed, so that the cylinder refills with fuel. An engine driven governor 10 may be arranged to bias the valve 21 towards its open position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12670/44A GB580340A (en) | 1944-07-03 | 1944-07-03 | Improvements in or relating to carburettors for internal-combustion engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12670/44A GB580340A (en) | 1944-07-03 | 1944-07-03 | Improvements in or relating to carburettors for internal-combustion engines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB580340A true GB580340A (en) | 1946-09-04 |
Family
ID=10008965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12670/44A Expired GB580340A (en) | 1944-07-03 | 1944-07-03 | Improvements in or relating to carburettors for internal-combustion engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB580340A (en) |
-
1944
- 1944-07-03 GB GB12670/44A patent/GB580340A/en not_active Expired
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