CN103925129B - Fuel facility - Google Patents
Fuel facility Download PDFInfo
- Publication number
- CN103925129B CN103925129B CN201410019468.5A CN201410019468A CN103925129B CN 103925129 B CN103925129 B CN 103925129B CN 201410019468 A CN201410019468 A CN 201410019468A CN 103925129 B CN103925129 B CN 103925129B
- Authority
- CN
- China
- Prior art keywords
- leakage
- pressure
- allocation unit
- inspection apparatus
- visual inspection
- 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 - Fee Related
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Classifications
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- 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
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
- F02M65/006—Measuring or detecting fuel leakage of fuel injection apparatus
-
- 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
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
- F02D33/003—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
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- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
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- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
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- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
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- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves
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- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
- F02D19/0657—Heavy or light fuel oils; Fuels characterised by their impurities such as sulfur content or differences in grade, e.g. for ships
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
- F02D2041/225—Leakage detection
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- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/18—Fuel-injection apparatus having means for maintaining safety not otherwise provided for
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- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
- F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
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- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/40—Fuel-injection apparatus with fuel accumulators, e.g. a fuel injector having an integrated fuel accumulator
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- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/0064—Layout or arrangement of systems for feeding fuel for engines being fed with multiple fuels or fuels having special properties, e.g. bio-fuels; varying the fuel composition
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- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/007—Layout or arrangement of systems for feeding fuel characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools
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- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
- F02M63/0265—Pumps feeding common rails
- F02M63/027—More than one high pressure pump feeding a single common rail
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- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
- F02M63/0275—Arrangement of common rails
- F02M63/0285—Arrangement of common rails having more than one common rail
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention relates to a kind of fuel facilities, it has the area of low pressure with pump installation, so that fuel is transported in high-pressure area from area of low pressure, wherein, the pressure storage system of permanent place under high pressure is provided in high-pressure area between pump installation and injector, it has the allocation unit being coupled by pressure duct, wherein, pressure storage system is connected by least one pressure duct of same permanent place under high pressure with pump installation, wherein, pressure storage system passes through the pressure duct temporarily located under high pressure depending on injection beat and is connected with injector, wherein, all allocation units of pressure storage system are connected to at the common leakage main pipe rail for the common leak sensor of all allocation units, with the leakage rate of detection pressure storage system being on limiting value, and wherein, individually Visual inspection apparatus it is associated with each allocation unit, so that the leakage detected is associated at least one allocation unit.
Description
Technical field
The present invention relates to a kind of fuel facilities of internal combustion engine.
Background technique
Fig. 1 show internal combustion engine (more particularly, with the marine diesel engine of heavy oil operation) by the prior art
The basic structure for the common rail fuel supply equipment known.Known structure from 101 57 135 B4 of file DE.Therefore, Fig. 1
Common rail fuel supply equipment accordingly includes at least one injector 1 for each cylinder of internal combustion engine.It can will be fired by injector 1
Material is ejected into each of cylinder of internal combustion engine.In addition, common rail fuel supply equipment include at least one low-lift pump 5,
The pump installation 3 of at least one high-pressure pump 2 and high pressure pump accumulator (Hochdruckpumpenspeicher) 8, so as to by fuel from
The area of low pressure 4 of common rail fuel supply equipment is transported in the high-pressure area 6 of the common rail fuel supply equipment, wherein is being pumped
The pressure storage system 7 of permanent place under high pressure is provided in high-pressure area 6 between device 3 and injector 1.This is permanently in
Pressure storage system 7 (it is also known as common rail) under high pressure has multiple allocation units 9.Allocation unit 9 is connected with pump installation 3
It connects and allocation unit 9 is connected each other by the pressure duct 10 of permanent place under high pressure.In addition, pressure storage system 7
(more particularly, allocation unit 9) is by temporarily locating pressure duct 11 and injector 1 under high pressure depending on injection beat
It is connected.Fuel is guided the switching valve 12 of injector into depending on injection beat and depends on injection beat
(Einspritztakt) pressure duct 11 temporarily located under high pressure is associated, which makes injector 1 and distribution
Unit 9 is connected.About other 101 57 135 B4 of details reference paper DE.
This fuel facility known from the prior art of internal combustion engine in high-pressure area 6-including especially logical
Cross in the region of the pressure storage system 7 for the allocation unit 9 that pressure duct 10 is linked-there are multiple sealing positions.It is close at this
Sealing in the region at position may occur in which leakage, wherein if leakage rate is too big, no longer can guarantee the clean and tidy of fuel facility
Operation.
Therefore it needs exist for, i.e., is on the one hand simply and reliably visited in the high-pressure area of fuel facility 6
The excessive fuel leakage in the region of pressure storage system 7 is measured, and on the other hand makes fuel leakage secure and reliable
Ground is associated with specific sealing position.
Summary of the invention
As starting point, the purpose of the present invention is to provide a kind of novel fuel facilities of internal combustion engine.
The purpose is realized by the fuel facility of internal combustion engine according to an embodiment of the present invention.
According to the present invention, all allocation units of pressure storage system being coupled by pressure duct are connected to useful
At the common leakage main pipe rail of the common leak sensor of all allocation units, to detect for as unit
The leakage rate of pressure storage system being on limiting value, wherein individual each of visual inspection apparatus and pressure storage system
Allocation unit is associated, to make the leakage and at least one distribution single in the case where detecting leakage by leak sensor
Member is associated.
In fuel facility according to the present invention, all allocation units of pressure storage system and therefore same connection
The pressure duct of knot allocation unit is attached at common leakage main pipe rail, wherein for the common of all allocation units
Leak sensor is associated with the leakage main pipe rail.If total leakage in pressure storage system is greater than limiting value, let out
Leakage sensor reacts and detects the leakage rate on limiting value.In order to make the leakage being now arranged on limiting value with
Specific sealing position or allocation unit in pressure storage system are specifically associated, and deposit individual visual inspection apparatus with pressure
Each allocation unit of storage system is associated.If the leak sensor detection for pressure storage system as a whole is everywhere
Leakage on limiting value, then making the single allocation unit of the leakage Yu pressure storage system using the visual inspection apparatus
It is associated.
Therefore it does not need to be associated with individual leak sensor for each allocation unit.But it is directed to all allocation units one
Common leak sensor just enough because realizing being associated with for leakage and allocation unit by visual inspection apparatus.This fuel supplies
The leakage for answering equipment to allow simple and reliable leak detection and detect is associated with single sealing position.
According to be advantageously improved scheme, each visual inspection apparatus has total with leakage in the region of corresponding allocation unit
The leakage import and the leak outlet being equally linked with leakage main pipe rail that pipeline is linked, wherein leak import and leak out
Mouth is attached at the leakage-chamber of corresponding visual inspection apparatus, and wherein, and throttle valve is located between such position, i.e., in the portion
Import is leaked at position and leak outlet is attached at leakage main pipe rail.This design scheme of visual inspection apparatus is extremely simple and therefore
It is preferred.
If leakage is less than limiting value in the region of allocation unit, leakage is flowed directly out by throttle valve and is let out
It leaks in main pipe rail.If leakage is greater than limiting value in the region of allocation unit, the leakage aspirated by throttle valve is logical
Corresponding leakage import is crossed to reach in the leakage-chamber of corresponding visual inspection apparatus.If the leakage-chamber of corresponding visual inspection apparatus utilizes
Leakage is filled into more than limiting value, then other leakages flowed into are flowed out to from leakage-chamber by corresponding leak outlet and let out
It leaks in main pipe rail.
Preferably, leak outlet is attached at the leakage-chamber of corresponding visual inspection apparatus above leakage import, especially true
It carries out, even if the emptying of leakage-chamber will not occur when motor is tilting.It can ensure that with this and do not risen even if in fuel facility
It can safely and reliably make leakage related to sealing position or allocation unit when internal combustion engine is tilting when effect and if possible
Connection.
Detailed description of the invention
Preferred improvement project of the invention is obtained from subsequent explanation.Come what the present invention is further explained by attached drawing
Embodiment, there is no limit the present invention for attached drawing.Wherein,
Fig. 1 shows the schematic diagram for the fuel facility being known from the state of the art;
Fig. 2 shows the details of the first fuel facility according to the present invention;
Fig. 3 shows the details of fuel facility according to the present invention according to fig. 2;And
Fig. 4 shows the details of the second fuel facility according to the present invention.
List of reference characters
1 injector
2 high-pressure pumps
3 pump installations
4 areas of low pressure
5 low-lift pumps
6 high-pressure areas
7 pressure storage systems
8 high pressure pump accumulators
9 allocation units
10 pressure ducts
11 pressure ducts
12 switching valves
13 leakage main pipe rails
14 leak sensors
15 visual inspection apparatus
16 high-pressure inlets
17 high-pressure outlets
18 pressure duct sections
19 leakage imports
20 leak outlets
21 leakage-chambers
22 throttle valves
23 window glass
24 leakage packed heights
25 valves.
Specific embodiment
The present invention relates to a kind of internal combustion engines for being especially configured to large-sized diesel internal combustion engine or marine diesel engine herein
Fuel facility, especially common rail fuel supply equipment.The basic structure of this fuel facility is carried out by reference to Fig. 1
Explanation.The present invention now relates to such details of fuel facility herein, i.e., it makes it possible to realize safely and reliably
It detects leakage and is safely and reliably associated in the high-pressure area 6 of fuel facility and (more particularly, deposited in pressure
In storage system 7) leakage.
(more particularly, Fig. 2 shows fuel facility according to the present invention in the region of pressure storage system 7
In the region for two allocation units 9 of pressure storage system 7 being coupled by pressure duct 10) schematical details.
All allocation units 9 are connected at common leakage main pipe rail 13, wherein common leak sensor 14 and use
It is associated in the leakage main pipe rail 13 of all allocation units 9.If in the whole system of pressure storage system 7 (i.e.
At any sealing position of pressure storage system 7) there is the leakage of limiting value defined by being greater than, then as a whole or conduct
The leakage of the pressure storage system 7 of unit can be detected by leak sensor 14.
In addition, fuel facility according to the present invention has in the region of each allocation unit 9 of pressure storage system 7
There is individual visual inspection apparatus 15.If being greater than the limiting value limited, benefit by total leakage that leak sensor 14 detects
It may recognize that the leakage position of the non-tight in pressure storage system 7 with visual inspection apparatus 15 and be allowed to distribute with one or more
Unit 9 is specifically associated.
Therefore, in order to detect be greater than limiting value and no longer guarantee fuel facility clean and tidy operation leakage, individually
Leak sensor 14 just enough.The association of leakage is identified by mesh with the unencapsulated sealing position for therefore causing leakage
Checking device 15 realizes that the visual inspection apparatus and single allocation unit 9 are individually associated.
As can be as learning in Fig. 2, the allocation unit shown here 9 of pressure storage system 7 passes through pressure duct
10 are coupled each other, wherein each allocation unit 9 is in side with high-pressure inlet 16 and in the other side with high-pressure outlet 17.It is logical
It crosses high-pressure inlet 16 and high-pressure outlet 17 can be by allocation unit 9 and therefore there are also the visual inspection apparatus 15 of allocation unit 9 to be connected to height
At pressure pipe road 10 or allocation unit 9 is made to be combined into pressure storage system 7 by pressure duct 10.
High-voltage tube is extended between the corresponding high-pressure inlet 16 and corresponding high-pressure outlet 17 of corresponding allocation unit 9
Road section 18 is formed by the hole in corresponding allocation unit 9.Fuel is by the hole or from pressure duct section 18 from high pressure
Import 16 to high-pressure outlet 17 flows through corresponding allocation unit 9.Fuel can the hole or pressure duct section 18 be to set out
Point is from corresponding allocation unit 9 towards being brought out on the direction of corresponding injector 1.
As can be as learning in Fig. 2, each visual inspection apparatus 15 be logical in side in the region of corresponding allocation unit 9
It crosses leakage import 19 and is linked in the other side by leak outlet 20 and leakage main pipe rail 13.It not only leaks import 19 but also lets out
Mouth 20 is leaked out to act in the region of corresponding allocation unit 9 at the leakage-chamber 21 of corresponding visual inspection apparatus 15.
Can by leakage import 19 by leakage from sealing position to be monitored (in shown embodiment, from corresponding
Allocation unit 9 high-pressure inlet 16 to be monitored) towards guiding on the direction of the leakage-chamber 21 of corresponding visual inspection apparatus 15, and
Wherein, can by leak outlet 20 by leakage from the leakage-chamber 21 of corresponding visual inspection apparatus 15 towards the direction of leakage main pipe rail 13
Upper extraction.
In addition, according to fig. 2, the corresponding visual inspection apparatus 15 of each allocation unit 9 includes throttle valve 22, it is connected in this way
Position between, i.e., leak import 19 and leak outlet 20 at this location and be attached at leakage main pipe rail 13.
If leakage is less than limiting value in the region of allocation unit 9, leakage can pass through corresponding throttle valve 21
It flows directly out in leakage main pipe rail 13.
, whereas if leakage is greater than limiting value in the region of corresponding allocation unit 9, then leakage gets lodged in throttle valve
In the region of the 22 corresponding leakage-chambers 21 for reaching corresponding visual inspection apparatus 15 by leakage import 19 before and then.
If the leakage-chamber 21 for belonging to each allocation unit of corresponding allocation unit 9 or corresponding visual inspection apparatus 15 is filled out
Filled with leakage, and other leakages continue to flow into (nachflie en) by leaking import 19, then leakage can at that time
It is flowed out in leakage main pipe rail 13 by corresponding leak outlet 20 from the corresponding leakage-chamber 21 of corresponding visual inspection apparatus 15, with
Leakage-chamber 21 is avoided to be compromised excessively being full of for object.
Therefore, as already explained, it is being greater than limiting value in pressure storage system 7 and is being no longer able to realize fuel
In the case where the leakage of the clean and tidy operation of supply equipment, leaks and borrow as the conduct as the pressure storage system 7 of unit
Help common leak sensor 14 to detect (it is associated with leakage main pipe rail 13).Although using common leak sensor
14, in order to which leakage can be made associated with specific sealing position or specific allocation unit 9, each allocation unit 9 has visual inspection
Device 15 is attached at the high-pressure inlet 16 of corresponding allocation unit 9 in shown embodiment.Corresponding visual inspection apparatus
15 include leakage-chamber 21, is attached at leakage main pipe rail 13 by leakage import 19 and leak outlet 20, more specifically such as
This is carried out, i.e., is connected with throttle valve 22 between leakage import 19 and leakage main pipe rail 13.If in the region of allocation unit 19
Middle to form the leakage for being greater than limiting value, leakage can not flow completely out being total to for all allocation units 19 by throttle valve 22
In same leakage main pipe rail 13, but phase is reached before leakage gets lodged in throttle valve 22 at that time and then by leaking import 19
In the leakage-chamber 21 for the visual inspection apparatus 15 answered.The air present in leakage-chamber 21 is by leak outlet 20 from collecting chamber 21 towards letting out
It leaks and is drawn on the direction of main pipe rail 13.If other leakages are transported to corresponding leakage-chamber 21 by leaking import 19
In, certain packed height in other leakage leisure leakage-chambers 21 rises through leak outlet 20 from leakage-chamber 21 towards leakage
The side of main pipe rail 13 flows upwards out.
As can as being learnt in Fig. 3, leak outlet 20 leakage import 19 above be attached to corresponding visual inspection apparatus
At 15 leakage-chamber 21, first in the region of corresponding allocation unit 9 in the case where being greater than the leakage of limiting value
Load corresponding leakage-chamber 21, and enough so as to when leakage-chamber 21 has reached certain packed height, it at that time and then will be into
The leakage that one step continues to flow into towards leakage main pipe rail 13 direction on draw.
If in the region of visual inspection apparatus 15 (more particularly, in the region of the leakage-chamber 21 of this visual inspection apparatus)
Leakage is accumulated, then leakage can visually be noticed by window glass 23.
In order to when identify greater than limiting value and already lead to fuel facility disconnection leakage when avoid leakage
It is complete from the leakage-chamber 21 (occurring insecure very high leakage from this) of the corresponding visual inspection apparatus 15 of corresponding allocation unit 9
Full outflow, leakage import 19 so act at corresponding leakage-chamber 21, i.e., leakage can not be arranged completely by leakage import 19
Out.If there is internal combustion engine and therefore fuel facility it is tilting, then this is equally applicable.Therefore Fig. 3 is in installation site
Show section of the fuel facility in the region of allocation unit 9, wherein show in corresponding mesh using chain-dotted line 24
Leakage packed height in the leakage-chamber 21 of checking device 15.
If fuel facility shuts down and is therefore continuously introduced in leakage-chamber 21 without other leakages, and such as
Fruit guarantees at least the one of leakage additionally due to the swaying internal combustion engine of internal combustion engine leaves the relative position shown in Fig. 3 at that time
Part remains in leakage-chamber 21 and can be identified by window glass 23 from outside.
In order to be emptied completely corresponding visual inspection apparatus behind the non-tight position for completing maintenance or reparation fuel facility
15 leakage-chamber 21 can remove window glass 23 by unclamping screw in the embodiment shown in figs. 2 and 3, to will still let out at that time
Leakage rate present in leakage room 21 is removed from leakage-chamber.
Different from this, Fig. 4 show one as embodiment, there is additional valve 25 wherein, repair leakage position
Residual leakage object can be exported from leakage-chamber 21 by the valve later.Then window glass need not be dismantled again in this case
23, and can guarantee the corresponding leakage of corresponding visual inspection apparatus 15 by manipulating valve 25 in the case where the window glass 23 of assembly
The complete emptying of room 21.
Claims (8)
1. a kind of fuel facility of internal combustion engine, with the area of low pressure (4) with pump installation (3), so as to by fuel from
The area of low pressure of the fuel facility is transported in the high-pressure area (6) of the fuel facility, wherein is filled in the pump
It sets and is provided with the pressure storage of permanent place under high pressure in the high-pressure area between (3) and injector associated with cylinder (1)
System (7) has the allocation unit (9) being coupled by pressure duct (10), wherein the pressure storage system (7) passes through
At least one pressure duct of same permanent place under high pressure is connected with the pump installation (3), wherein pressure storage system
System (7) is connected by temporarily locating pressure duct (11) under high pressure depending on injection beat with the injector (1), special
Sign is that all allocation units (9) of the pressure storage system being coupled by the pressure duct (10) are connected to band
Have at the common leakage main pipe rail (13) for the common leak sensor (14) of all allocation units (9), with detection
For the leakage rate of the pressure storage system as unit being on limiting value, and individually visual inspection apparatus (15)
It is associated with each allocation unit (9) of the pressure storage system (7), to be detected by the leak sensor (14)
To the leakage is associated at least one allocation unit (9) in the case where leakage;
Wherein, the individual visual inspection apparatus (15) has leakage-chamber (21), is integrated in the allocation unit (9) and works as
The individual visual inspection apparatus (15) is visual when installing in place.
2. fuel facility according to claim 1, which is characterized in that in the region of corresponding allocation unit (9)
Each visual inspection apparatus (15) have with the leakage import (19) that is linked of leakage main pipe rail (13) and equally let out with described
The leak outlet (20) that leakage main pipe rail (13) is linked, wherein throttle valve (22) is located between such position, that is, described
Leakage import (19) and the leak outlet (20) are attached at the leakage main pipe rail (13) at the position.
3. fuel facility according to claim 2, which is characterized in that if let out in the region of allocation unit (9)
Leakage is less than limiting value, then leakage is flowed directly out in the leakage main pipe rail (13) by the throttle valve (22), if
Leakage is greater than limiting value in the region of allocation unit (9), then being passed through by the leakage that the throttle valve (22) is blocked corresponding
The leakage import (19) reach in the leakage-chamber (21) of the corresponding visual inspection apparatus (15), and it is if corresponding described
The leakage-chamber (21) of visual inspection apparatus (15) is compromised object and is filled into greater than limiting value, then the leakage continued to flow into passes through accordingly
The leak outlet (20) from being flowed out in the leakage-chamber (21) in the leakage main pipe rail (13).
4. fuel facility according to claim 3, which is characterized in that the leak outlet (20) it is described leak into
It is attached to above mouth (19) at the leakage-chamber (21) of the corresponding visual inspection apparatus (15).
5. fuel facility according to claim 3 or 4, which is characterized in that the leak outlet (20) and described let out
It leaks into mouth (19) to be so attached at the leakage-chamber (21) of the corresponding visual inspection apparatus (15), even if feelings that is, tilting in motor
It is not in the emptying of the leakage-chamber (21) under condition.
6. fuel facility according to claim 3 or 4, which is characterized in that the visual inspection apparatus of each allocation unit (9)
(15) leakage-chamber (21) can be emptied by valve (25).
7. fuel facility according to any one of claim 1-3, which is characterized in that the internal combustion engine is large-scale bavin
Oily internal combustion engine or marine diesel engine.
8. fuel facility according to any one of claim 1-3, which is characterized in that the fuel facility is
Common rail fuel supply equipment.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013000606.6 | 2013-01-16 | ||
DE102013000606.6A DE102013000606A1 (en) | 2013-01-16 | 2013-01-16 | Fuel supply system |
Publications (2)
Publication Number | Publication Date |
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CN103925129A CN103925129A (en) | 2014-07-16 |
CN103925129B true CN103925129B (en) | 2019-04-23 |
Family
ID=51014839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410019468.5A Expired - Fee Related CN103925129B (en) | 2013-01-16 | 2014-01-16 | Fuel facility |
Country Status (5)
Country | Link |
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JP (1) | JP6290629B2 (en) |
KR (1) | KR102077872B1 (en) |
CN (1) | CN103925129B (en) |
DE (1) | DE102013000606A1 (en) |
FI (1) | FI20145026L (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015001607A1 (en) * | 2015-02-10 | 2016-08-11 | Man Diesel & Turbo Se | Fuel supply system of an internal combustion engine |
DE102016119811A1 (en) | 2016-10-18 | 2018-04-19 | Man Diesel & Turbo Se | Fuel supply system |
DE102016123055A1 (en) * | 2016-11-30 | 2018-05-30 | Man Diesel & Turbo Se | Fuel supply system and power distribution block |
CN108547702A (en) * | 2018-03-30 | 2018-09-18 | 潍柴重机股份有限公司 | A kind of light/heavy oil pattern automatic conversion control method |
DE102018006853A1 (en) * | 2018-08-29 | 2019-09-26 | Mtu Friedrichshafen Gmbh | Modular common rail system |
CN115898730B (en) * | 2022-11-08 | 2023-06-13 | 哈尔滨工程大学 | Marine heavy oil accumulator device applied to constant volume bomb |
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CN1420266A (en) * | 2001-11-21 | 2003-05-28 | 曼·B及W柴油机公开股份有限公司 | Device for supply of fuel in form of public fuel supply piping structure in multi-cylinder IC engine |
CN1867762A (en) * | 2003-10-17 | 2006-11-22 | 瓦特西拉芬兰有限公司 | Leak alarm for high-pressure pipe |
CN101493063A (en) * | 2008-01-26 | 2009-07-29 | 曼柴油机欧洲股份公司 | Fuel supply apparatus for internal combustion engine |
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IT1284334B1 (en) * | 1996-01-23 | 1998-05-18 | Fiat Ricerche | FUEL CONTAINMENT AND COLLECTION STRUCTURE FOR A HIGH PRESSURE FUEL ENGINE INJECTION SYSTEM |
JPH1172059A (en) * | 1997-08-29 | 1999-03-16 | Denso Corp | Pressure accumulating type fuel infection device |
FI108070B (en) * | 2000-04-27 | 2001-11-15 | Waertsilae Tech Oy Ab | Hardware for locating a fuel leak with an internal combustion engine |
JP3773048B2 (en) * | 2002-07-12 | 2006-05-10 | 株式会社デンソー | Liquid leak amount measuring apparatus and liquid leak amount measuring method |
US6827065B2 (en) * | 2003-04-08 | 2004-12-07 | General Motors Corporation | Diesel injection system with dual flow fuel line |
US7337652B2 (en) * | 2003-10-22 | 2008-03-04 | Caterpillar Inc. | Fuel system with leak location diagnostic features and component for same |
JP4121531B2 (en) * | 2006-05-12 | 2008-07-23 | エムエーエヌ・ディーゼル・エーエス | Fuel circulation common rail fuel injection system for large two-cycle diesel engines |
DE102008015611A1 (en) * | 2008-03-26 | 2009-10-29 | Man Diesel Se | Common Rail System |
JP2012172634A (en) * | 2011-02-23 | 2012-09-10 | Toyota Motor Corp | Leakage inspection device, and leakage inspection method |
DE102011005096A1 (en) * | 2011-03-04 | 2012-09-06 | Man Diesel & Turbo Se | internal combustion engine |
-
2013
- 2013-01-16 DE DE102013000606.6A patent/DE102013000606A1/en not_active Ceased
-
2014
- 2014-01-15 JP JP2014004952A patent/JP6290629B2/en not_active Expired - Fee Related
- 2014-01-15 KR KR1020140005210A patent/KR102077872B1/en active IP Right Grant
- 2014-01-15 FI FI20145026A patent/FI20145026L/en not_active Application Discontinuation
- 2014-01-16 CN CN201410019468.5A patent/CN103925129B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1420266A (en) * | 2001-11-21 | 2003-05-28 | 曼·B及W柴油机公开股份有限公司 | Device for supply of fuel in form of public fuel supply piping structure in multi-cylinder IC engine |
CN1867762A (en) * | 2003-10-17 | 2006-11-22 | 瓦特西拉芬兰有限公司 | Leak alarm for high-pressure pipe |
CN101493063A (en) * | 2008-01-26 | 2009-07-29 | 曼柴油机欧洲股份公司 | Fuel supply apparatus for internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
KR20140092781A (en) | 2014-07-24 |
FI20145026L (en) | 2014-07-17 |
KR102077872B1 (en) | 2020-02-14 |
DE102013000606A1 (en) | 2014-07-17 |
JP6290629B2 (en) | 2018-03-07 |
JP2014137066A (en) | 2014-07-28 |
CN103925129A (en) | 2014-07-16 |
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