BS ISO 7876-5-2005 en_4579 Fuel injection equipment - Vocabulary - Common rail fuel injection systems《燃油喷射装置.词汇.通用轨燃油喷射系统》.pdf

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1、BRITISH STANDARD BS ISO 7876-5:2004 Fuel injection equipment Vocabulary Part 5: Common rail fuel injection systems ICS 01.040.43; 43.060.40 BS ISO 7876-5:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 1 July 2005 BSI 1 July 2005 ISBN 0

2、580 46204 8 National foreword This British Standard reproduces verbatim ISO 7876-5:2004 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee MCE/22, Engines for road vehicles, which has the responsibility to: A list of organizati

3、ons represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, o

4、r by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer im

5、munity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them i

6、n the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Da

7、te Comments Reference number Numro de rfrence ISO 7876-5:2004(E/F)INTERNATIONAL STANDARD NORME INTERNATIONALE ISO 7876-5 First edition Premire dition 2004-05-15 Fuel injection equipment Vocabulary Part 5: Common rail fuel injection system quipement dinjection de combustible Vocabulaire Partie 5: Sys

8、tme dinjection de combustible rampe commune BS ISO 7876-5:2004 BS ISO 7876-5:2004 ii BS ISO 7876-5:2004 iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is no

9、rmally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in

10、 the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepa

11、re International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that so

12、me of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 7876-5 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 7, Injection equipment and filters for use on road vehicl

13、es. ISO 7876 consists of the following parts, under the general title Fuel injection equipment Vocabulary: Part 1: Fuel injection pumps Part 2: Fuel injectors Part 3: Unit injectors Part 4: High-pressure pipes and end-connections Part 5: Common rail fuel injection system iv Avant-propos LISO (Organi

14、sation internationale de normalisation) est une fdration mondiale dorganismes nationaux de normalisation (comits membres de lISO). Llaboration des Normes internationales est en gnral confie aux comits techniques de lISO. Chaque comit membre intress par une tude a le droit de faire partie du comit te

15、chnique cr cet effet. Les organisations internationales, gouvernementales et non gouvernementales, en liaison avec lISO participent galement aux travaux. LISO collabore troitement avec la Commission lectrotechnique internationale (CEI) en ce qui concerne la normalisation lectrotechnique. Les Normes

16、internationales sont rdiges conformment aux rgles donnes dans les Directives ISO/CEI, Partie 2. La tche principale des comits techniques est dlaborer les Normes internationales. Les projets de Normes internationales adopts par les comits techniques sont soumis aux comits membres pour vote. Leur publ

17、ication comme Normes internationales requiert lapprobation de 75 % au moins des comits membres votants. Lattention est appele sur le fait que certains des lments du prsent document peuvent faire lobjet de droits de proprit intellectuelle ou de droits analogues. LISO ne saurait tre tenue pour respons

18、able de ne pas avoir identifi de tels droits de proprit et averti de leur existence. LISO 7876-5 a t labore par le comit technique ISO/TC 22, Vhicules routiers, sous-comit SC 7, quipements dinjection et filtres pour application aux vhicules routiers. LISO 7876 comprend les parties suivantes, prsente

19、s sous le titre gnral quipement dinjection de combustible Vocabulaire: Partie 1: Pompes dinjection de combustible Partie 2: Porte-injecteurs de combustible complets Partie 3: Injecteurs-pompes Partie 4: Tuyauteries et raccords haute pression Partie 5: Systme dinjection de combustible rampe commune B

20、S ISO 7876-5:2004 1Fuel injection equipment Vocabulary Part 5: Common rail fuel injection system quipement dinjection de combustible Vocabulaire Partie 5: Systme dinjection de combustible rampe commune 1 Scope 1 Domaine dapplication This part of ISO 7876 establishes a vocabulary for common rail (CR)

21、 fuel injection systems for diesel (compression-ignition) engines and their components. The terms defined in this part of ISO 7876 are unique to common rail fuel injection systems; terms and definitions relating to other fuel injection systems are to be found in the other parts of ISO 7876. NOTE Whe

22、n the word “fuel” is used in the terms listed, it can be omitted providing there can be no misunderstanding. La prsente partie de lISO 7876 tablit un vocabulaire relatif aux systmes dinjection de combustible rampe commune (CR) des moteurs diesels ( allumage par compression) et leurs composants. Les

23、termes dfinis dans la prsente partie de lISO 7876 sont spcifiques aux systmes dinjection de combustible rampe commune. Les termes et dfinitions relatifs aux autres systmes dinjection de combustible sont dfinis dans les autres parties de lISO 7876. NOTE Les mots de combustible peuvent tre omis dans l

24、es termes dfinis condition quil nen rsulte aucune erreur dinterprtation. 2 Terms and definitions 2 Termes et dfinitions 2.1 common rail fuel injection system CR fuel injection system high-pressure fuel injection system, characterized by a component, the rail (2.8), which supplies the individual CR i

25、njectors (2.5) with highly pressurized fuel and reduces pressure pulsation in the high pressure system NOTE It is also characterized by the following features: the rail pressure may be varied independently from engine speed and load and is electronically controlled; the start and the end of the inje

26、ctions are controlled by an electronic valve at the CR injector; 2.1 systme dinjection de combustible rampe commune systme dinjection de combustible CR systme dinjection de combustible haute pression caractris par un dispositif, laccumulateur de pression (2.8), qui alimente les diffrents injecteurs

27、rampe commune (2.5) en combustible sous haute pression et qui rduit les pulsations dues la pression dans le circuit haute pression NOTE Il est galement caractris par: la pression dans laccumulateur de pression est commande par un dispositif lectronique et peut varier indpendamment de la vitesse et d

28、e la charge du moteur; le dbut et la fin des injections sont commands par une soupape lectronique situe au niveau de linjecteur rampe commune; BS ISO 7876-5:2004 2 the energy for the injections is supplied to the CR injectors via a rail with highly pressurized fuel; the injections occur directly fro

29、m the rail. lnergie ncessaire aux injections est fournie aux injecteurs rampe commune par un accumulateur de pression contenant du combustible sous haute pression; les injections se font directement partir de laccumulateur de pression. 2.2 fuel feed pump low-pressure pump delivering fuel from the ta

30、nk via one or several filters to the high-pressure-generating components 2.2 pompe dalimentation en combustible pompe basse pression permettant de faire passer le combustible du rservoir vers les organes gnrateurs de haute pression en lui faisant traverser un ou plusieurs filtres 2.3 high-pressure s

31、upply pump mechanically driven pump of any configuration (gear pump, piston pump etc.) which is able to deliver the necessary amount of fuel at the highest required pressure NOTE This pump may include a device or devices for regulating the delivered quantity of fuel to the rail (2.8). 2.3 pompe dali

32、mentation haute pression pompe commande mcanique de configuration quelconque (pompe engrenages, pompe piston, etc.) capable de fournir la quantit ncessaire de combustible sous la plus haute pression requise NOTE Cette pompe peut inclure un ou plusieurs dispositifs permettant dajuster la quantit de c

33、ombustible fournie laccumulateur de pression (2.8). 2.4 internal transfer pump pre-supply pump (e.g. vane type pump, gear pump) integrated in the housing of the high-pressure supply pump (2.3) and driven by the same shaft 2.4 pompe de transfert interne pompe de pralimentation (par exemple pompe pale

34、ttes, pompe engrenages) intgre dans le botier de la pompe dalimentation haute pression (2.3) et entrane par le mme arbre 2.5 CR fuel injector fuel injector that includes the features of a conventional fuel injector and, additionally, a device for controlling the start and end of the injection, e.g.

35、by means of a solenoid-operated or piezo-driven valve NOTE 1 The CR injector may or may not contain a pressure amplifier for the injection pressure; the amplifier is actuated by highly pressurized fuel. NOTE 2 For the definition of conventional fuel injector, see ISO 7876-2. 2.5 injecteur de combust

36、ible rampe commune injecteur de combustible possdant les mmes dispositifs quun injecteur de combustible conven- tionnel avec, en supplment, un dispositif permettant de commander le dbut et la fin de linjection, par exemple au moyen dune soupape lectromagntique ou pizo-lectrique NOTE 1 Linjecteur ram

37、pe commune peut contenir ou non un amplificateur de pression dinjection; cet amplificateur est actionn par le combustible sous haute pression. NOTE 2 Pour la dfinition dun injecteur de combustible conventionnel, voir lISO 7876-2. 2.6 pressure control valve electrically actuated spill valve in the hi

38、gh-pressure system designed to control and vary the pressure in the rail (2.8) to the required values depending on speed and load of the engine 2.6 soupape de rgulation de la pression soupape de dcharge commande lectrique installe dans le circuit haute pression pour rguler et modifier la pression da

39、ns laccumulateur de pression (2.8) afin de lui donner la valeur requise en fonction de la vitesse et de la charge du moteur BS ISO 7876-5:2004 32.7 volumetric control valve valve that controls the fuel supply of the high- pressure supply pump (2.3) according to the demand 2.7 soupape de commande vol

40、umtrique soupape qui rgule le dbit de combustible de la pompe dalimentation haute pression (2.3) en fonction des besoins 2.8 rail high-pressure storage chamber with the twin functions of supplying the CR injectors (2.5) with fuel and reducing pressure pulsation in the high-pressure system caused by

41、the individual injections NOTE It may be manufactured as a separate part (e.g. a tubular device) attached to the engine or may be a channel within the cylinder head. 2.8 accumulateur de pression chambre de stockage sous haute pression ayant la double fonction dalimenter les injecteurs rampe commune

42、(2.5) en combustible et de rduire les pulsations de pression causes par les diffrentes injections dans le circuit haute pression NOTE Il peut tre une pice distincte (par exemple un dispositif tubulaire) monte sur le moteur ou un canal dans la culasse. 2.9 flow limiter device located between the rail

43、 (2.8) and each CR injector (2.5) designed to shut off the fuel flow in the pipe if the maximum permitted flow is exceeded 2.9 limiteur de dbit dispositif install entre laccumulateur de pression (2.8) et chaque injecteur rampe commune (2.5) pour arrter le passage du combustible dans la canalisation

44、en cas de dpassement du dbit maximal autoris 2.10 flow damper device located between the rail (2.8) and each CR injector (2.5) designed to moderate the fuel pressure pulsation in the pipe caused by each injection NOTE This damper may also act as a flow limiter (2.9).2.10 amortisseur de dbit disposit

45、if install entre laccumulateur de pression (2.8) et chaque injecteur rampe commune (2.5) pour modrer les pulsations de pression du combustible dans la canalisation causes par chaque injection NOTE Cet amortisseur peut galement agir comme un limiteur de dbit (2.9). 2.11 CR pressure sensor sensor desi

46、gned to measure the pressure within the rail (2.8), providing an electrical signal to the electronic control unit (2.13) 2.11 capteur de pression de rampe commune capteur servant mesurer la pression dans laccumulateur de pression (2.8) pour envoyer un signal lectrique lunit de commande lectronique (

47、2.13) 2.12 pressure limiter safety valve designed to limit the operating pressure to the maximum permitted pressure 2.12 limiteur de pression soupape de sret servant limiter la pression de fonctionnement la pression maximale autorise BS ISO 7876-5:2004 4 2.13 electronic control unit device that actu

48、ates the CR injectors (2.5) and other valves, e.g. the volumetric control valve (2.7) or pressure control valve (2.6), depending on the speed and load of the engine and on other operating conditions (air temperature, coolant temperature, boost pressure, etc.) 2.13 unit de commande lectronique dispositif qui actionne les injecteurs rampe commune (2.5) et dautres soupapes, par exemple une soupape de commande volumtrique (2.7) o

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