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Topic: Common Rail

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	common rail, common diesel rail, bosch common rail, delphi common rail, common rail direct injection
		Common rail refers to a small accumulation tank called Rail where the pressure of the fuel remains almost constant and always available in order to supply the electronic injectors and therefore for an optimum injection.
		The regulating valves for the pressure is fixed on the body of the high pressure pump or Rail and has the function to regulate and maintain the pressure in the Rail according to the loading condition of the engine.
		On the rail it is possible to fit a capacity limit valve, a rail pressure sensor, a valve regulating and limiting the pressure.
	www.turbocompressori.net /common_rail.htm (1831 words)

	Common rail - Patent 6505607
		The common rail of claim 1, wherein said two substantially circular-cylindrical recesses (2, 3) have the same diameter, and wherein the spacing of the longitudinal axes (4, 5) of said two substantially circular-cylindrical recesses (2, 3) is greater than their diameter.
		In known common rail injection systems, a high-pressure pump, optionally with the aid of a preferred pump, pumps the fuel to be injected out of a tank into the central high-pressure fuel reservoir, which is also called a common rail.
		This increases the high-pressure strength of the common rail of the invention.
	www.freepatentsonline.com /6505607.html (1013 words)

	Common rail fuel injection system - Patent 6497219
		The present invention relates to a common rail fuel injection system in which highly pressurized fuel accumulated in a pressure accumulation chamber of a common rail housing is supplied to injectors of an internal combustion engine, and in particular to the construction of the common rail housing.
		In the common rail housing 101 of the conventional fuel injection system, the pressure chamber 102 is formed in complete round shape in cross section so that tensile stresses are induced at and concentrated on intersecting portions 107 where the pressure chamber 102 and the respective fuel delivery ports 103 intersect each other.
		In the common rail fuel injection system according to the first embodiment, highly pressurized fuel is accumulated in a common rail housing 1 and the fuel accumulated in the common rail housing is injected to respective combustion chambers of a diesel engine through injectors installed in engine cylinders of the respective combustion chambers.
	www.freepatentsonline.com /6497219.html (3583 words)

	common rail, attrezzatura common rail, diagnosi common rail, riparazione common rail, common rail bosch, common rail ...
		common rail, attrezzatura common rail, diagnosi common rail, riparazione common rail, common rail bosch, common rail delphi
		common rail - attrezzatura common rail - diagnosi common rail - riparazione common rail - common rail bosch - common rail delphi
		Sul rail puo’ essere montato una valvola di limitazione di portata, un sensore pressione rail, una valvola regolatrice di pressione e di limitazione di pressione.
	www.dieselevante.com /common_rail.htm (2618 words)

	The Common Rail Diesel Injection System Explained
		The particular design of Common Rail, with its flexible division of injection into several pre-, main and post-injections, allows the engine and the injection system to be matched to each other in the best possible way.
		In the Common Rail accumulator injection system, the generation of the injection pressure is separate from the injection itself.
		In the 1st and 2nd generation of Bosch's Common Rail, the injection process is controlled by a magnetic solenoid on the injectors.
	www.swedespeed.com /news/publish/Features/printer_272.html (643 words)

	Technologies - Common Rail
		A direct injection engine based on the common rail principle separates the two functions pressure generation and injection by first storing the fuel under high pressure in a central container ("common rail") and delivering it to the individual injection valves (injectors) only on demand.
		Benefits of the common rail principle compared to conventional engines are lower engine noise levels, stronger performance and greater combustion efficiency leading to lower emissions and enhanced fuel economy.
		According to manufacturer, the MTU 4000 common rail engine which is fitted for railway applications has a fuel consumption of 195 g/kWh, compared to values between 200 and 250 g/kWh for most diesel engines in service.
	www.railway-energy.org /static/Common_Rail_37.php (1064 words)

	Media.Ford.com: LATEST COMMON RAIL DIESEL TECHNOLOGY BRINGS NEW LEVELS OF REFINEMENT TO FORD FOCUS
		The common rail engine extends the strengths for which the Ford Focus has been acclaimed since it brought new levels of precision, interior spaciousness and comfort to its segment.
		Common rail is the only diesel injection system with full flexibility of injection timing, measured in crank angle degrees, between the pilot and main fuel injection during one combustion event.
		Second-generation common rail technology brings even higher levels of precision to the process by permitting better control of pilot fuel quantity, which is a key contributor to overall refinement.
	media.ford.com /article_display.cfm?article_id=7653 (1880 words)

	Delphi Direct Acting Diesel Common Rail System
		The Delphi Direct Acting Diesel Common Rail System is an advanced fuel injection system that features an innovative injection technology.
		The Delphi Direct Acting Diesel Common Rail System is suitable for diesel engine programs for medium- and large-size vehicles to help manufacturers meet European Euro 5 requirements and beyond, and U.S. Tier II Bin 5 emissions standards.
		Delphi's Direct Acting Diesel Common Rail System also features Individual Injector Characterization (I3C), an exclusive Delphi technology that enables the ECU to be calibrated with the injection system to also contribute to accurate fuel delivery.
	www.delphi.com /manufacturers/auto/powertrain/diesel/crfs/directact (565 words)

	LucasVarity's new common rail system. \| North America from AllBusiness.com
		Common rail fuel system technology, which has been used in a number of heavy-duty engine applications - both Caterpillar and Cummins are in production with common rail systems for some of their engines - is considered particularly suitable for lighter vehicle applications for a variety of reasons.
		Common rail systems typically operate at very high pressure and utilize advanced electronics to control fuel delivery, injection timing, injection pressure and rate of injection though a multiple injection strategy.
		By controlling these parameters, common rail systems are capable of achieving a level of performance and driving comfort for diesel vehicles similar to gasoline models, with significant fuel economy and low exhaust emissions.
	www.allbusiness.com /north-america/705280-1.html (761 words)

	Common Wiring
		For starters, a common is whatever we define it to be, (by what we connect to it) and an internal power common can be (is) very different than a common rail common.
		("Common" because we tied things together, and "Ground" because we tied it to the earth.) We have now created a situation where the highest voltage in the system (measured to our "Common") is the positive DC supply internal to the boosters.
		Because of our grounded "Common" connections to the internals of the power supplies with the above setup, you will NOT be able to run with a grounded common rail, but will need double gaps at any block divisions between power districts.
	www.rr-cirkits.com /commons.html (947 words)

	The Hindu Business Line : Common rail injection systems — Advanced technology for diesel vehicles
		HE driving motivation behind common rail diesel technology (CRDe) is the adherence to ever-increasing emission regulations while maintaining the drivability and low combustion noise characteristics of petrol-driven engines, and the superior fuel economy of the diesel engine.
		In the common rail fuel system, all the injectors are supplied by a common fuel supply line or a manifold (reservoir), called the common rail, where the fuel is charged by a high-pressure pump to 1800 atmospheres, depending on engine operating conditions and boost pressure.
		This is the birth of the common rail principle for liquid fuel.
	www.blonnet.com /2005/03/25/stories/2005032500630900.htm (1103 words)

	Using Common Rail Wiring with DCC
		Therefore, when DCC is used with common rail, it must be installed correctly so this potential for a double voltage situation can be completely eliminated.
		Common rail wiring is totally compatible with DCC and no possibility of double voltages occur so long as you do not invert either the control bus wires or the common point on the output of the power stations.
		Note: for best performance with existing signaling systems in a common rail environment, the common on the track output of the power station should be the only common connection installed between your power stations.
	www.tttrains.com /dcc/commonrail.html (1011 words)

	Back Room: Common Rail?
		Common Rail relates to the channel along which the diesel fuel is pumped to the injectors which spray fuel into the combustion chambers.
		With Common Rail fuel is pumped at high pressure along a common pipe (rail) to all the injectors which are opened and closed by means of an electrical signal from the ECU.
		Modern petrol injected cars are common rail;they have one(sometimes two)injectors in each inlet tract fed from a common fuel supply pressurized by a fuel pump.
	www.honestjohn.co.uk /forum/post?v=i&t=8946 (312 words)

	Common Wiring for DCC and other systems (Site not responding. Last check: )
		Common rail entering a reverse section of opposite polarity/phase.
		Here the common is not connected to either rail and will flow seamlessly right through double gaps, reverse sections, ect.
		Common rail should never be connected between booster districts, but a common return can be used within a booster district.
	jdb.psu.edu /nmra/commons.html (500 words)

	Carpages.ca - VW to Switch to Common-Rail Diesel Technology from PD-TDI
		Common rail technology differs in that fuel is delivered to all cylinders through a fuel rail that is pressurized by one single pump,
		Common rail engines are capable of producing multi-phase injections (capable of injecting before and after combustion) for even greater efficiency, performance, refinement and drastically reduced emissions.
		The adaptation of the common rail fuel delivery system should solve the forthcoming issue of meeting global emissions regulations.
	www.carpages.ca /go/autonews/12132005,vw_to_switch_to_commonrail_diesel_technology_from_pdtdi.aspx (1354 words)

	Common Rail explanation
		Significant fuel economy, reduced exhaust emissions, invincible low-speed torque, and all-around good drivability are a few of the benefits associated with common rail technology.
		In the 1st and 2nd generation of the Common Rail technology, the injection process is controlled by a magnetic solenoid on the injectors.
		The fact that AdvaTech's Fuel economizer unit KA3 is reducing diesel fuel's flash point, several advantages of the common rail technology are showing enhancements in form of further reduced fuel consumption rates and lowered emission rates.
	www.economizefuel.com /id102.htm (781 words)

	Controls, Reverse Mechanisms, Wiring, and Common Types
		But because the common return is parallel with the N rail, it is still called common rail.
		Because the N rail common rail is connected to both Blue from control A and Red from control B they are wired in series operation, this means, the voltages add.
		And this is to use a reverse mechanism after the common, but this defeats the whole idea of common rail.
	home.neo.rr.com /mrwithdcc/controls.html (3246 words)

	Audi Singapore > Glossary > Common rail system (Site not responding. Last check: )
		In TDI® engines equipped with the common rail system, all cylinders are located on a single high-pressure rail.
		In this high-pressure rail, constant pressure is generated, fuel stored and fed to the injectors.
		The injection rate and point of injection are controlled either via solenoid valves on the individual injectors or via piezo injectors together with the engine management.
	www.audi.com.sg /audi/sea/sg/tools/glossary/engine_driveline/common_rail_system.html (127 words)

	Diesel Technology Forum: Common Rail Fuel Injection
		Two factors are key: the fuel pressure as it enters the cylinder, and the shape and number of the injections.
		A common rail injection system separates these two functions (generating pressure and injecting) by first storing fuel under high pressure in a central accumulator rail and then delivering it to the individual electronically-controlled injection valves (injectors).
		Not only that, but for each combustion cycle, the common rail allows up to five injections per cycle.
	www.dieselforum.org /meet-clean-diesel/what-is-clean-diesel/new-technologies/common-rail-fuel-injection/common-rail-piezo (345 words)

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