GB560196A - Improvements in or relating to carburetters for internal-combustion engines - Google Patents
Improvements in or relating to carburetters for internal-combustion enginesInfo
- Publication number
- GB560196A GB560196A GB854842A GB854842A GB560196A GB 560196 A GB560196 A GB 560196A GB 854842 A GB854842 A GB 854842A GB 854842 A GB854842 A GB 854842A GB 560196 A GB560196 A GB 560196A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- chambers
- capsule
- adjusted
- jet
- 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/16—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors
- F02M69/18—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air
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
560,196. Spray carburetters. BEDALE, P. W. June 22, 1942, No. 8548. [Class 7 (iii)] A carburetter is of the type in which liquid fuel is supplied by a pump 20 to chambers 12, 32 and through a metering orifice and a meteredfuel chamber 35 to a spray nozzle 37 in the combustion-air inlet of the engine, the admission of fuel to the chamber 12 being restricted by a valve 23 adjusted by a diaphragm 13, which is loaded by an engine-driven governor 14 and is subjected on its opposite faces to the pressures in the chambers 32, 35. The valve 23 is thus adjusted to keep the pressure difference between'the chambers proportional to the square of the engine speed. The total effective area of the orifice 33 is controlled by means responsive to atmospheric pressure amd to the charge pressure maintained in the induction pipe 50 by a supercharger 39, the area being maintained proportional to the "adjusted charge-pressure"; this is defined as the charge-pressure less 1 /nth of the atmospheric pressure, n being a constant approximately equal to the compression ratio of the engine. According to the invention, the pressure-responsive means is arranged so to vary the effective area of the metering orifice 33 that it is a function of the " adjusted chargepressure " so long as that pressure is below a predetermined value and is another function, higher in value, when the said pressure exceeds that value, so that the fuel-air mixture is enriched at high charge-pressures. As shown, pipes 31, 40 connect the chambers 12, 11 respectively to the chambers 32, 35, which communicate through a metering orifice constituted by a main jet 33 and an enrichment jet 34. The jet 33 is adjusted by a needle'41 having a parabolic tip and connected through a link 42 to evacuated capsules 43 and a capsule 143 open to the atmosphere, the capsules being enclosed in a chamber 48 connected to the induction pipe 50. A slot 44 in the link 42 is engaged by a pin on a lever 46 connected to a rod 51 between capsules 52, 53 ; the capsule 52 is gas-filled and connected to a sealed bulb 55 in the induetion pipe in order to respond to the temperature therein, while the capsule 53 is evacuated and sealed in order to balance the effect of changes of atmospheric pressure on the capsule 52. A needle valve 56 for the enrichment jet 34 has a tapered tip and is connected through a lever 57 pivoted at 58 to the capsule stack 43 so as to open the jet under high boost conditions. Fuel-collecting grooves 62, 64, 65 around the governor shaft, 16 and the needles 41, 56 are connected at 63 to the supercharger inlet 38. A relief valve 26 in the pump outlet 21 is connected to a diaphragm 27 subjected to the pressure in the chamber 12.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB854842A GB560196A (en) | 1942-06-22 | 1942-06-22 | Improvements in or relating to carburetters for internal-combustion engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB854842A GB560196A (en) | 1942-06-22 | 1942-06-22 | Improvements in or relating to carburetters for internal-combustion engines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB560196A true GB560196A (en) | 1944-03-24 |
Family
ID=9854573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB854842A Expired GB560196A (en) | 1942-06-22 | 1942-06-22 | Improvements in or relating to carburetters for internal-combustion engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB560196A (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2529900A (en) * | 1945-10-03 | 1950-11-14 | Rolls Royce | Fuel flow control for internalcombustion engines |
US2581275A (en) * | 1944-10-09 | 1952-01-01 | Bendix Aviat Corp | Fuel feed responsive to air pressure and temperature, fuel flow, and speed for gas turbines |
US2616254A (en) * | 1945-01-04 | 1952-11-04 | Bendix Aviat Corp | Jet engine fuel control for modifying fuel pressure drop across throttle in accordance with altitude |
US2623509A (en) * | 1946-05-17 | 1952-12-30 | Gold Harold | Speed-density type of fuel-metering control |
US2627906A (en) * | 1948-02-23 | 1953-02-10 | Rolls Royce | Fuel metering system for internalcombustion engines |
US2641105A (en) * | 1948-10-11 | 1953-06-09 | Marquardt Aircraft Company | Temperature control system having means to measure turbine inlet temperature indirectly |
US2644513A (en) * | 1945-10-06 | 1953-07-07 | Bendix Aviat Corp | Gas turbine fuel feed and power control device responsive to speed and air density |
US2670599A (en) * | 1948-10-29 | 1954-03-02 | Rolls Royce | Fuel system for gas-turbine engines |
US2688229A (en) * | 1948-07-30 | 1954-09-07 | Niles Bement Pond Co | Fuel and speed control for internalcombustion engines |
US2689606A (en) * | 1946-12-13 | 1954-09-21 | Bendix Aviat Corp | Fuel feeding system for gas turbine engines |
US2764868A (en) * | 1951-03-27 | 1956-10-02 | Lucas Industries Ltd | Servo control of internal combustion prime movers by blower pressure |
US2786331A (en) * | 1948-08-10 | 1957-03-26 | Bendix Aviat Corp | Fuel feed and power control for gas turbine engines |
DE1062062B (en) * | 1953-10-08 | 1959-07-23 | Frederick Christian Melchior | Carburetor |
DE1068511B (en) * | 1959-11-05 | Engineering Research ix Application Limited, Dunstable, Bedfordshire (Großbritannien) | Device for controlling the fuel supply in internal combustion engines | |
US2971336A (en) * | 1952-03-15 | 1961-02-14 | Bendix Corp | Fuel feed and power control system for gas turbine engines having means for avoidingcompressor stall |
-
1942
- 1942-06-22 GB GB854842A patent/GB560196A/en not_active Expired
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1068511B (en) * | 1959-11-05 | Engineering Research ix Application Limited, Dunstable, Bedfordshire (Großbritannien) | Device for controlling the fuel supply in internal combustion engines | |
US2581275A (en) * | 1944-10-09 | 1952-01-01 | Bendix Aviat Corp | Fuel feed responsive to air pressure and temperature, fuel flow, and speed for gas turbines |
US2616254A (en) * | 1945-01-04 | 1952-11-04 | Bendix Aviat Corp | Jet engine fuel control for modifying fuel pressure drop across throttle in accordance with altitude |
US2529900A (en) * | 1945-10-03 | 1950-11-14 | Rolls Royce | Fuel flow control for internalcombustion engines |
US2644513A (en) * | 1945-10-06 | 1953-07-07 | Bendix Aviat Corp | Gas turbine fuel feed and power control device responsive to speed and air density |
US2623509A (en) * | 1946-05-17 | 1952-12-30 | Gold Harold | Speed-density type of fuel-metering control |
US2689606A (en) * | 1946-12-13 | 1954-09-21 | Bendix Aviat Corp | Fuel feeding system for gas turbine engines |
US2627906A (en) * | 1948-02-23 | 1953-02-10 | Rolls Royce | Fuel metering system for internalcombustion engines |
US2688229A (en) * | 1948-07-30 | 1954-09-07 | Niles Bement Pond Co | Fuel and speed control for internalcombustion engines |
US2786331A (en) * | 1948-08-10 | 1957-03-26 | Bendix Aviat Corp | Fuel feed and power control for gas turbine engines |
US2641105A (en) * | 1948-10-11 | 1953-06-09 | Marquardt Aircraft Company | Temperature control system having means to measure turbine inlet temperature indirectly |
US2670599A (en) * | 1948-10-29 | 1954-03-02 | Rolls Royce | Fuel system for gas-turbine engines |
US2764868A (en) * | 1951-03-27 | 1956-10-02 | Lucas Industries Ltd | Servo control of internal combustion prime movers by blower pressure |
US2971336A (en) * | 1952-03-15 | 1961-02-14 | Bendix Corp | Fuel feed and power control system for gas turbine engines having means for avoidingcompressor stall |
DE1062062B (en) * | 1953-10-08 | 1959-07-23 | Frederick Christian Melchior | Carburetor |
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