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Topic: Carburettor

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Gasoline carburettor

Carburetor

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Butterfly valve

Diesel engine

Bernoulli effect

Slant Four

Venturi

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	Carburettor - Patent 4256066
		According to the invention, a carburettor having a conduit comprising a device with surfaces distributed in the transverse section of the said conduit, is essentially characterized in that the said device with surfaces is located in the said conduit between the fuel-injection device and the butterfly throttle-valve, that is to say upstream of this latter.
		As previously indicated, this carburettor may advantageously comprise surfaces disposed on the upstream side of the butterfly valve with two shutters, but if necessary, and depending on the cases of utilization, it could either comprise such surfaces on the downstream side of the butterfly valve, or it may even dispense with these surfaces.
		1 and 2, but the carburettor is in this case of the constant-depression type in which a conical needle 40 controls the admission of fuel into the conduit, indicated by 11' and this is effected in known manner in dependence on the depression existing in the said conduit 11' and acting on a piston 41.
	www.freepatentsonline.com /4256066.html (1456 words)

	GASCo Paper on Carburettor Icing
		The certification requirements for carburettor heat systems for single engined GA aircraft are limited, the principal requirement under JAR 23.1093 (a)(3) being simply that at 60% maximum continuous power and in stated ambient conditions there is a heat rise of 56 degrees C (100 F).
		Application of carburettor heat is made by manual operation of a knob or switch and, typically, pilots of aeroplanes are trained to apply carburettor heat for at least 10 seconds at about five minute intervals in the cruise.
		We have encountered anecdotal objections that the Iceman carburettor probe is prone to becoming fouled with oil or other matter, causing false alarms, although the device includes a zeroing facility that is intended to cope with partial fouling of the probe.
	www.avweb.com /other/gasco-icing.html (3659 words)

	carburettor
		A float inside of the carburettor bowl opens and closes the needle valve to maintain the level of fuel in the carburettor bowl, similar to the float mechanism in your toilet.
		The bottom of the carburettor is bolted to the top of the Intake Manifold, a metal tube which splits right and left and carries the fuel/air mixture from the carburettor down to the sides of the engine, where it attaches to the Cylinder Heads on either side.
		On the side of the carburettor body is a barrel-shaped object, a little larger a pen-light battery, with a fl wire connected to the outer end.
	www.vw-resource.com /carb.html (6850 words)

	Melting Moments: Understanding Carburettor Icing
		A carburettor icing-probability chart showed that serious icing at descent power was to be expected at such a humidity level.
		Application of carburettor heat for a short time will melt any ice, and when the carburettor heat is turned off again, you will see an increase in engine power for the same throttle setting.
		Carburettor icing can sneak up on you when you are cruising along.
	www.atsb.gov.au /aviation/editorials/e00016.aspx (2063 words)

	Model Car Two Stroke Nitro Engine Settings & Carburettor Identification
		A top view of a typical slide carburettor is shown in the animation to the right and if you Play the animation you will see how the slide part of the carburettor moves to control the air and fuel flow through the carburettor.
		Due to the way that barrel carburettors work the, gap is usually toward the corner of the carburettor body as shown in the image to the left.
		Some carburettors are also fitted with a 'third needle', which isn't a needle at all, it is an adjuster that allows for the position of the jet assembly to be altered in relation to the flow of air through the carburettor.
	www.rctek.com /dyno/nitro_engine_settings.html (1266 words)

	Carburettor Overhaul: Ford Capri 2.0
		The second pump on the front of the carburettor, towards the choke housing, is the accelerator pump and this simply squirts additional petrol into the carburettor during acceleration.
		The float height is measured by holding the top part of the carburettor vertically and measuring the distance from the top of the housing (where the gasket goes) to the bottom of the float.
		Lower the carburettor on to the gasket and carefully refit the four nuts and washers.
	www.fordcaprilaser.co.uk /carburettor_overhaul.htm (2650 words)

	VW Type II for 34
		The carburettor control arm slips into the slot of the carburettor where the original cable rod was fastened.
		Place a drop of oil on the three connections of the carburettor linkage (support arm, carburettor control arm and where the rod is inserted in the supercharger).The original throttle return spring is retained on the late models.
		In order to mount the carburettor on some models it is necessary to remove a 4" section of the reinforcing rib located on the underside of the panel directly over the carburettor.
	members.tripod.com /vwjudsonregister/vw_type24-later_model.htm (2242 words)

	CARBURETTOR
		With these carburettors it is advised that no attempt be made to remove the sealing plugs or covers or alter the settings of the sealed adjusters.
		On carburettors of the conventional type, without seals, the idle adjustment is carried out in the normal manner.
		Carburettor tuning should be confined to setting the idling and fast idling speeds and the mixture at idle speed.
	drcwww.uvt.nl /~bogaard/manual/tuneup/9.htm (1087 words)

	Dellorto DHLA Carburetor (Site not responding. Last check: )
		Proper carburettor synchronization and idle adjustment requires an exhaust gas CO meter, a rev-counter and a four-column mercury manometer.
		Align the lower mercury column of the front carburettor with the lower one of the rear carburettor using balance screw (4).
		Hold the carburettor cover vertically so that the float arm is in light contact with the needle and with the spring in the needle not compressed.
	www.motorcyclecarbs.com /dhlaservice_W76.cfm (1361 words)

	Ultrasonic carburettor cleaning for all motorcycle carburettors.
		A carburettor contains as many as 4 different fuelling circuits within each carburettor and to obtain seamless fuelling over the entire engine operating range, it is important that all of the systems work as designed.
		Whether carburettors have problems or not, their operational efficiency depends to a large extent on their being in optimum condition and this is understood by those who require optimum peformance from their machines.
		If your carburettors are giving trouble, you may consider that replacement with a secondhand set would be preferable to cleaning.
	www.jrs.uk.com /o_ultrah.htm (784 words)

	Dellorto Motorcycle Carburettor Tuning Guide - Venturi Effect (Site not responding. Last check: )
		In the carburettor, the venturi is the part which allows the conversion of some of the kinetic energy of the air passing through into pressure energy.
		It is very important that the carburettor supplies a fuel-air mixture which remains constant during the changes in throttle opening and under the different load conditions of the motorcycle engine.
		In the tapered-needle type carburettor, the choke size is the diameter of the section immediately upstream or downstream of the throttle valve and its size is cast on the nameplate together with the model type of carburettor eg PHBE 36BS signifies a 36 mm venturi carburettor.
	www.mypage.tsn.cc /rdd/TT/contents/CARB/dellorto/dellorto_3_1.html (516 words)

	Northampton Motorsport - Carburettor Services
		As well as tuning and repair facilities we also offer a full carburettor restoration service to bring your carbs back to their original condition and proper working order.
		The body is checked for wear to the throttle spindles and any other signs of damage such as a distorted base on down draft carbs which will cause air leaks and poor running.
		The carburettor is then rebuilt using a service kit and float height etc re-set.
	www.northamptonmotorsport.com /default.asp?id=19 (457 words)

	MG Owners' Club SU Carburettor - Needle and Seat Fittin
		SU carburettors are simple and very reliable in service but they can suffer from a few basic drawbacks.
		Fuel flow into the carburettor float chamber is controlled by a usually effective ball valve design, however over time this system can be a potential problem area.
		As a consequence each SU carburettor's float chamber is fitted with an overflow pipe either on top of the float chamber (HS type) or as part of the main body (HIF type).
	www.mgcars.org.uk /cgi-bin/gen5?runprog=mgoc&a=&p=emg/su_carb.html (1208 words)

	Fuel & Exhaust System
		The carburettor is a twin choke downdraught type of Solex or Weber manufacture, the carburettor type being dependent on model.
		The Weber carburettor fitted to the BX16 with automatic transmission is identical in design to the other Weber carburettor types fitted to manual transmission models, except that it also has a kickdown cam fitted.
		On BX models with the Solex 34-34 Z1 carburettor, a modification has been introduced to prevent engine hesitation at high temperatures when driving in heavy traffic; this is due to percolation of the principle and enrichment circuits of the carburettor.
	www.citroenz.com /BX/fuel.html (1210 words)

	Fuel Spray Simulation
		The metering elements of the carburettor such as pilot jet, main jet, needle jet and jet needle, piston valve cut-away, mixture outlet, diameter for idling and progression orifices are all optimized in order to achieve the least mass emissions with acceptable driveability apart from proper idling, cold start, drive away and targeted top speed..
		In the CD carburettor, the butterfly is near close position and the piston is also at lower most position to admit air in the right quantity for idling.
		In the variable depression carburettor, the piston is positioned by the rider by operating the accelerator cable.
	www.saeindia.org /saeconference/carburettors.htm (1191 words)

	carburettor systems, fuel injection systems, Sogefi Filter Division
		In carburettor systems the fuel pump aspirates the fuel from the fuel tank and pumps it in the carburettor.
		An 'in-line' filter is situated in the line between tank and carburettor to prevent that contaminants in the fuel plug the nozzles in the carburettor.
		The fuel pump, usually mounted in the fuel tank, aspirates the fuel in the tank and pumps it via the filter element to the injectors.
	www.sogefifiltration.com /fuel-filters-how-does-it-work.aspx (613 words)

	The MG & MGB Experience: Library: MGOC Basic Service 4
		The linkages between the carburettors are adjustable and you can reset them by slackening off the clamping bolts on both the throttle and jet interconnections.
		At the side of each carburettor is a lifting pin, these pins enable you to adjust the mixture and check the movement of the piston.
		On early cars the float chambers are mounted at the side of the carburettors but on later cars the float chambers are built-in to bottom of the main body.
	www.mgexperience.net /article/mgoc-basic-4.html (1985 words)

	Charles Nelson Pogue: US Patent #1,759,354 ("Carburetor")
		A carburettor that would allow a car to travel 200 miles on a gallon of fuel caused oil stocks to crash when it was announced by its Canadian inventor Charles Nelson Pogue in the 1930s.
		But the carburettor was never produced and, mysteriously, Pogue went overnight from impoverished inventor to the manager of a successful factory making oil filters for the motor industry.
		As well as drawings of the carburettor, the envelope contained two pages of plans, three test reports and six pages of notes written by Pogue.
	www.rexresearch.com /pogue/1pogue.htm (4848 words)

	carburettor icing and carb heat
		Specifically, the article highlighted that these systems, which are in such common use and so critical to flight safety, are prone to suffering from icing, icing that statistically causes 10 occurrences, including 7 accidents a year.
		As we all know, our carburettors are usually operating in potential icing conditions in the U.K. especially when the engine is giving reduced power such as when taxiing or descending and, equally, we also know that the solution to our problem is to apply carb.
		To those who seem to have experienced carburettor icing in the climb I would say that it is likely that the icing formed when the aircraft was at low power on the ground prior to takeoff.
	www.pilotfriend.com /articles/carbicing.htm (1011 words)

	Carburetor - Wikipedia, the free encyclopedia
		The carburetor, carburettor, or carburetter (see spelling differences), also called carb (in North America) or carbie (chiefly in Australia) for short, is a device that blends air and fuel for an internal combustion engine.
		In Europe, the sidedraft carburettors replaced downdraft as free space in the engine bay decreased and the use of the SU-type carburetor (and similar units from other manufacturers) increased.
		The UK location of the SU and Zenith-Stromberg companies helped these carburettors rise to a position of domination in the UK car market, though such carburetors were also very widely used on Volvos and other non-UK makes.
	en.wikipedia.org /wiki/Carburettor (3587 words)

	TWINMAXTM The Electronic Carburettor Balancer
		With use, the chain of cables, rods and linkages that connect the throttle to the carburettors will stretch and change their tolerances which results in the carburettor sliders or butterflies operating at slightly different times from one another.
		This means that not only is there the potential for errors due to the moving parts of each gauge, it is very difficult to ensure that each gauge gives exactly the same reading on a given amount of vacuum, due to the variances in manufacturing tolerances, friction differences, volumes of mercury or tension of springs.
		Carburettor balance, or the synchronisation, is essential for the efficiency and longevity of your engine.
	website.lineone.net /~jhmotorcycles/jh/twinmax.htm (502 words)

	Vanguard -Motoring : Causes, remedy of excessive fuel consumption on Carburettor engine
		Internal causes are high fuel level in the float chamber caused by punctured float or wrong setting of the level, or leaking or defective niddle valve causing in the process uncontrolled flow of fuel into the inlet manifold in pure liquid form as opposed to atomised form.
		If the jets are mispositioned in the carburettor and in this case the fault will be accompanied, with erractic running of the engine, then the fault could be corrected by the mechanic by repositioning the jets.
		If on the other hand he, in an attempt to clear the jets off carbon deposit or dirts, he enlarged the jet orifices by using wrong probing tools instead of using compressed air and cleaning fluid, then the jets must be replaced with those available in the repairs kit.
	www.vanguardngr.com /articles/2002/features/motoring/mt215032005.html (895 words)

	Equipment carburettor
		Main jet for Mikuni carburettors in ALL sizes from 160 to 400 in the usual grading of 10.
		Secondary jet (main jet for small carburettors) for Dellorto carburettors in ALL sizes in the usual grading (45, 46, 48, 50, 52, 55,...).
		The choke lever is assembled directly at the carburettor and is operated with a lever.
	www.worb5.com /zubehoer_vergaser_e.html (723 words)

	The FN automatic carburettor
		The FN automatic carburettor appeared new for the 1910 model, to replace the fixed-jet instrument that had been used (in variable shapes and sizes) on all FN machines since 1901.
		The early carburettor was a pretty decent thing in its day, and with the French Longuemare it was one of the best of the first wave of spray carburettors.
		When the Type 700 four appeared for 1914, it was fitted with a Zenith carburettor, and post-war AMAC instruments were fitted on all models.
	users.senet.com.au /~mitchell/bikes/fn/html/fncarb.htm (1178 words)

	Fish Carburettor
		I have owned a Fish carburettor for over 30 years, and have used it on 3 different cars.
		The carburettor was also marketed for road cars, and there are various conspiracy type stories around about the large car manufacturers and oil companies suppressing the manufacture and marketting of the carburetttor, as it would 'revolutionize' the car world, with talk of up to 200 mpg.
		The carburettor that came with the car (originally an 1100) was not really enough for the new engine, and I didn't fancy getting new needles etc, so I dug out the fish, probably 20 years after it was last used.
	www.geocities.com /glovermini/index.htm (1533 words)

	Troubleshooting the Engine
		Vehicles with carburettors are no longer manufactured in most of the developed world.
		If gas does not enter the carburettor it could be the result of an empty gas tank, a clogged fuel filter, or a defective fuel pump.
		If a car is idling poorly (regardless if gas is entering the carburettor chamber) a simple adjustment may be needed to correct the fuel/air mixture.
	argyll.epsb.ca /lemonproof/engine.htm (992 words)

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