EP2765302A1 - Dispositif, en particulier dispositif de pompe pour un grand moteur diesel, et procédé de nettoyage d'un dispositif - Google Patents

Dispositif, en particulier dispositif de pompe pour un grand moteur diesel, et procédé de nettoyage d'un dispositif Download PDF

Info

Publication number
EP2765302A1
EP2765302A1 EP14151843.1A EP14151843A EP2765302A1 EP 2765302 A1 EP2765302 A1 EP 2765302A1 EP 14151843 A EP14151843 A EP 14151843A EP 2765302 A1 EP2765302 A1 EP 2765302A1
Authority
EP
European Patent Office
Prior art keywords
closing element
inlet
flushing
rinsing
fuel
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.)
Granted
Application number
EP14151843.1A
Other languages
German (de)
English (en)
Other versions
EP2765302B1 (fr
Inventor
Leif Knipström
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wartsila NSD Schweiz AG
Original Assignee
Wartsila NSD Schweiz AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wartsila NSD Schweiz AG filed Critical Wartsila NSD Schweiz AG
Priority to EP14151843.1A priority Critical patent/EP2765302B1/fr
Publication of EP2765302A1 publication Critical patent/EP2765302A1/fr
Application granted granted Critical
Publication of EP2765302B1 publication Critical patent/EP2765302B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0023—Valves in the fuel supply and return system
    • F02M37/0035—Thermo sensitive valves
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/445—Selection of particular materials
    • 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
    • F02M65/007—Cleaning

Definitions

  • the invention relates to a device, in particular a pump device for a large diesel engine according to the preamble of independent claim 1 and a method for cleaning a device according to the preamble of independent claim 14.
  • HFO heavy fuel oil
  • MDO marine diesel oil
  • biofuels such as palm oil, etc.
  • a problem with many fuels is the polymerization, which can lead to problems throughout the large diesel engine, especially in pumps, such as the injection pumps.
  • the polymerisation of the fuel causes the fuel to build up in the pipes and fuel-carrying chambers of the pump and even block them. In the worst case, the polymerization will cause the pump to no longer inject the correct amount of fuel, for example, when the engine is to be stopped, which can cause significant damage to the engine.
  • the polymerization of the fuel also accelerates the wear of the pump.
  • WO 2012/140316 A1 From the WO 2012/140316 A1 is a device, in particular a pump, known, wherein in the pump body, a rinsing inlet and below the rinsing inlet a rinsing outlet is arranged. A flushing fluid can be supplied via the flushing inlet and can be discharged by means of the flushing outlet.
  • a method is known, wherein the method provides that in a first step, the flushing fluid is introduced into the pump and discharged in a next step again.
  • a disadvantage of the described device and the method is that due to the described arrangement, regardless of the temperature and the type of fuel, the pump is flushed.
  • this object is achieved by a device having the features of claim 1 and a method for cleaning a device having the features of claim 14.
  • the invention thus relates to a device, in particular a pump device for a large diesel engine, wherein the device comprises a flushing inlet, a flushing line, wherein the flushing inlet is fluidly connected to the flushing line, and a closing element.
  • the closing element is made of a first material and the first material has a different thermal expansion coefficient than a second material in which the rinsing inlet is formed.
  • the closing element is designed and arranged at the scavenging inlet, that the scavenging inlet can be locked in dependence on the temperature by the closing element.
  • the device in particular the pump device, may for example be a fuel injection pump for a large diesel engine.
  • the device may include, for example, a pump body, a fuel chamber disposed in the pump body, a purge supply line, and a fuel supply line.
  • the device may comprise, for example, a reciprocating piston in an axial direction, which pressurizes a fuel.
  • the flushing inlet and the closing element can be arranged for example in or on the fuel chamber and / or in the Spülzutechnisch and / or in the fuel supply line.
  • the closing element is made of a first material and the first material has a different thermal expansion coefficient than a second material in which the rinsing inlet is formed.
  • the first and / or second material may be, for example, a metal, in particular cast iron, tungsten or tungsten carbide, a ceramic, in particular silicon carbide or silicon nitride, a composite material, shape memory alloys, in particular nickel titanium, or a plastic.
  • Essential for the invention is that the first material has a different thermal expansion coefficient than the second material.
  • the thermal expansion coefficient is a characteristic value which describes a behavior of a substance with regard to changes in a dimension, ie a thermal expansion, in the case of a temperature change.
  • thermal expansion which depends on the material used. It is therefore a substance-specific material characteristic.
  • a thermal expansion may be greater or smaller in one spatial direction, for example in the axial direction, than in another spatial direction, for example in a radial direction.
  • the closing element is designed and arranged at the scavenging inlet, that the scavenging inlet can be locked in dependence on the temperature by the closing element.
  • the closing element comprises a needle, a sealing element, an adjusting element and a fastening element.
  • the closing element attached to a holder and by means of the adjusting element, the closing element can be aligned and arranged such that the rinsing inlet is lockable.
  • a notch or groove may be formed in which, for example, a sealing element may be arranged.
  • the sealing element can also be arranged on the holder in a recess, in particular in a groove.
  • the needle for example, in particular in the axial direction, have a predominantly cylindrical or polygonal shape.
  • the needle may, for example, taper at one end or comprise a tip with which the rinsing inlet can be locked.
  • a recess may be present, such as a notch, groove or even a hole.
  • the needle can be arranged in the flushing inlet, so that the recess can be locked or opened in dependence on the temperature by means of the flushing inlet.
  • the holder may be, for example, a bore.
  • the flushing inlet can be formed, for example, as a bore in the fuel chamber and / or fuel supply line and / or Spülzu effet.
  • the flushing inlet can be, for example, round or polygonal, in particular the flushing inlet is adapted to a shape of the closing element or the closing element and the flushing inlet are adapted to one another such that the flushing inlet can be closed off by the closing element, in particular closable and sealed with respect to a flushing fluid.
  • the rinsing inlet and / or the closing element are heat-expandable in a radial or axial direction, thereby changing the position of the closing element and the rinsing inlet relative to one another and thereby the closing element releases or closes the rinsing inlet.
  • the opening of the rinsing inlet through the closing element can take place, for example, during heating of the closing element and the rinsing inlet and closing at a Cooling of the closing element and the rinsing inlet take place.
  • the opening of the scavenging inlet by the closing element can, however, also take place, for example, when the closing element and the scavenging inlet cool down, and the closing takes place when the closing element and the scavenging inlet are heated.
  • a rinsing fluid can flow through the rinsing inlet.
  • the inventive device is that, in contrast to known from the prior art devices, no control units or other means for controlling the device are required because the rinsing inlet is a purely mechanical device, the rinsing inlet by the closing element mechanically, depending on the temperature, lockable.
  • the scavenging inlet through the closing element or vice versa, the recess in the needle through the scavenging inlet for example, depending on the temperature of a flushing fluid, in particular a fuel flowing around the device, be opened or completed.
  • the first material has a lower thermal expansion coefficient than the second material.
  • the closing element which is made of the first material, thus expands less when heated in all spatial directions than the second material in which the rinsing inlet is formed.
  • the closing element in particular the needle, can expand due to its shape, in particular in a spatial direction, preferably in the axial direction.
  • the second material in which the rinsing inlet is formed expands more strongly than the first material when heated due to the higher thermal expansion coefficient, so that the closing element releases the rinsing inlet and, for example, the rinsing fluid can flow into the rinsing line.
  • the opening and closing of the rinsing inlet by the closing element can thus be effected solely by means of a change in the temperature, in particular by means of an increase in the temperature.
  • the closing element has a different geometric extent in an axial direction than in a radial direction, or the flushing inlet has a different geometric extent in a radial direction than in an axial direction.
  • the closing element may for example have a greater geometric extent in the axial direction than in the radial direction and / or the flushing inlet may, for example, have a greater geometric extent in the radial direction than in the axial direction.
  • the closing element in particular the needle, for example, expand more in an axial direction than in a radial direction and / or the scavenging inlet, for example, expand more in a radial direction than in an axial direction.
  • the closing element may, for example, be arranged along an axis in the axial spatial direction and an opening area of the flushing inlet relative to this axis in the radial spatial direction.
  • the rinsing inlet is released by means of the closing element due to a predeterminable temperature increase.
  • the predeterminable temperature increase can be brought about, for example, by means of a flushing fluid, in particular a fuel.
  • the flushing fluid may for example be diesel, which is not heated, so that the closing element completes the flushing inlet.
  • the flushing fluid is changed, that is to say a flushing fluid to be liquefied is used, for example a heavy oil, then the flushing fluid to be liquefied is first heated and the closing element releases the flushing inlet.
  • the closing and opening of the rinsing inlet can thus be achieved as a function of the temperature of the rinsing fluid used.
  • the holder is designed as a bore.
  • the closing element is by means of a fastening element to the bore attached and adjustable by means of an adjusting element.
  • a sealing element between the closing element and the holder is arranged.
  • the bore can be adapted to the shape of the closing element in the radial direction, so that the closing element can be inserted into the bore.
  • a thread may be present to accommodate the needle or the entire closing element.
  • the fastener may be designed, for example, as a nut or bolt and be disposed within or on the bore, and prevents axial movement of the closing element.
  • the fastener may, for example, hold only the needle or even the entire closing element in the bore.
  • the adjusting element serves to align the closing element in the direction of the axial axis and / or in the direction of the scavenging inlet.
  • the adjusting element may for example be designed as a nut or screw.
  • the sealing element may be designed as a seal, in particular as an O-ring of an elastomer material or of metal or an elastic material. It is also possible that two or more sealing elements, in particular O-rings are arranged side by side.
  • the sealing element can be arranged for example in a receiving space or in a groove in the closing element or in the holder.
  • the device is a pump and comprises a pump body and a fuel chamber, the fuel chamber being arranged inside the pump body and the purging inlet being formed as part of the pump body.
  • the fuel chamber is arranged in a region between the holder and the flushing opening and the closing element within the fuel chamber.
  • the device may be a pump, for example an injection pump or a fuel injection pump, in particular for a large diesel engine.
  • the pump comprises a pump body, wherein the pump body consists of the second material, in particular of cast iron or a similar material.
  • the pump body in turn comprises a fuel chamber, wherein the fuel chamber, for example, forms a ring body with a fuel inlet and fuel outlet for a fuel.
  • the fuel inlet is fluidly connected to a fuel supply line and the fuel outlet with a fuel discharge.
  • the scavenging inlet can be arranged in the pump body in the fuel chamber and executed and formed from the second material.
  • the flushing inlet may also be fluidly connected to the fuel chamber in the operating state.
  • the purge line can be arranged in the pump body or, for example, as a line on the pump body.
  • the holder of the closing element may be formed and arranged on the opposite side of the refueling the fuel chamber, so that the fuel chamber between the scavenging inlet and holder is arranged.
  • the closing element is arranged within the fuel chamber and is held by means of the holder and is thus flowed around by a rinsing fluid, for example a fuel, in particular diesel or heavy oil.
  • the flushing fluid in particular the heavy oil, can be heated before it is injected into the device, in particular the pumping device.
  • a practical way of heating is a tracer heating wherein the purge fluid is heated by one or more heating elements that may be disposed along the distribution channels of the purge fluid.
  • the device is a pump and comprises a Spülzu niethus, the closing element is disposed within the Spagitzu ein and the rinsing inlet and the holder are formed as part of the Spülzu nie.
  • the rinsing inlet, the closing element and the holder are arranged in a separate from the fuel supply and fuel chamber Spülzu effet in this second embodiment.
  • the flushing fluid can advantageously be independent of the Fuel chamber and the fuel supply line are passed into the device.
  • the closing element is arranged in the fuel supply line and the rinsing supply line, and the rinsing inlet is connected to the rinsing supply line and the holder is formed on the fuel supply line.
  • the closing element can thereby heat up in the fuel supply line and release the rinsing inlet in the rinsing supply line.
  • the flushing inlet can be opened or closed by means of a temperature change in the fuel supply line and the consequent thermal expansion of the closing element, but at the same time a flushing fluid can be supplied with an independent flushing supply line.
  • the device is a pump and includes a fuel supply line, wherein the fuel supply line is fluidly connected to the fuel chamber, the closing element is disposed within the fuel supply line and the scavenging inlet and the holder are formed as part of the fuel supply line.
  • the closing element, the rinsing inlet and the holder can be arranged in the fuel supply line.
  • a part of the purge line can be designed, for example, as a line independent of the pump body, which leads from the fuel supply line to or into the pump body. Advantage of this embodiment is that thus, for example, in operation devices can be retrofitted with a cleaning device.
  • the device is a pump and comprises a spring chamber and the spring chamber is arranged in a region between the rinsing inlet and a flushing outlet.
  • the flushing inlet can also flow-connected to the spring chamber by means of the flushing line be.
  • a spring for pushing the piston can be arranged in the spring chamber.
  • the invention further relates to a method for cleaning a device, in particular a pump device for a large diesel engine, wherein the device comprises a flushing inlet, a flushing line, wherein the flushing inlet is fluidly connected to the flushing line, and a closing element.
  • the closing element is made of a first material and the first material has a different thermal expansion coefficient than a second material in which the rinsing inlet is formed.
  • the closing element is designed and arranged at the scavenging inlet, that the scavenging inlet is closed in dependence on the temperature by the closing element.
  • the closing element can be configured on a holder and arranged on the scavenging inlet such that the scavenging inlet is closed by the closing element as a function of the temperature.
  • a flushing fluid for cleaning the device is a fuel, in particular heavy oil.
  • the method can be carried out with the device according to the invention.
  • the device and method for cleaning a device With the device and method for cleaning a device, the reliability of the device is improved and the problems caused for example by the polymerization of fuels are reduced.
  • Fig. 1 schematically shows a detailed drawing of the first embodiment according to the present invention.
  • the device 1 in particular a pump device for a Large diesel engine.
  • the large diesel engine which is particularly a large internal combustion engine, can be used for example as a main or auxiliary engine of a ship or in a power plant for the production of electricity.
  • each cylinder of the large diesel engine may comprise its own device 1 or a device may comprise all the cylinders.
  • the large diesel engine may run on diesel or heavy fuel oil, with heavy oil typically causing deposits or other problems in the device 1.
  • the device 1 can be for example a pump, injection pump or a fuel injection pump.
  • the device 1 shown comprises a closing element 2, a fuel chamber 3, a fuel supply line 4, a scavenging inlet 6, a purge line 5 and a pump body 7.
  • the closing element 2 comprises a needle 26, a sealing element 25, an adjusting element 21 and a fastening element 21.
  • an element 23, for example a thread is arranged, wherein the closing element 2 or the needle 26 on the element 23 can be arranged or fastened.
  • the closing element 22 is fastened to the holder 24 and by means of the adjusting element 22, the closing element 2 can be aligned and arranged such that the rinsing inlet 6 can be locked.
  • the closing element 2, in particular the needle 26, in the operating state flows around a flushing fluid, for example the fuel flowing through the fuel feed line 4 and the fuel chamber 3.
  • Fig. 2a and Fig. 2b show schematically an embodiment of the closing element 2 (see Fig. 1 ) and the rinse inlet 6 in a closed ( Fig. 2a ) and opened ( Fig. 2b ) Status.
  • the Closing element 2 or the needle 26 are arranged in the flushing inlet 6, which is formed in the pump body 7, and close the flushing inlet 6 from. Since the closing element 2 (see Fig. 1 ), which comprises the needle 26, is made of a first material having a different thermal expansion coefficient than a second material, from which the pump body 7 is made, there is a different thermal expansion when the first and second materials are heated. Due to the heating, the closing element 2 expands (see Fig.
  • the needle 26 for example predominantly in an axial direction along an axis A and the pump body 7 predominantly in a radial direction relative to the axis A, so that the scavenging inlet 6 is opened. Since the scavenging inlet 6 is fluidly connected to a flushing line 5, the flushing fluid can thus flow into the flushing line 5 in the operating state with the flushing inlet 6 open.
  • Fig. 3a and Fig. 3b schematically show a further embodiment of the closing element 2 (see Fig. 1 ) and the rinse inlet 6 in a closed ( Fig. 3a ) and opened ( Fig. 3b ) Status.
  • the needle 26 has a recess through which, together with the pump body 7 or the fuel supply line 4 or a Spülzu effet 10 (see Fig. 5 ), the rinsing inlet 6 is formed.
  • the pump body 7 or the fuel supply line 4 or the Spülzu effet 10 are arranged in or on the recess, whereby the flushing inlet 6 is completed. Since the closing element 2 (see Fig.
  • the needle 26 which comprises the needle 26, is made of a first material having a different thermal expansion coefficient than a second material, from which the pump body 7 or the fuel supply line 4 or the rinse supply line 10 (see Fig. 5 ) are carried out, it comes with a warming of the first and second material to a different thermal expansion. Due to the heating here also the closing element 2 expands (see Fig. 1 ), in particular the needle 26, predominantly in the axial direction along the Axis A and the pump body 7 or the fuel supply line 4 or the Spülzutechnisch 10 (see Fig. 5 ) predominantly in a radial direction relative to the axis A, so that the scavenging inlet 6 is opened.
  • FIG Fig. 4 A first embodiment of the device according to the invention is shown in FIG Fig. 4 shown schematically.
  • the device in particular a pump device for a large diesel engine, is a pump 1, on which the closing element 2 on a holder 24 (see Fig. 1 ), which is, for example, a bore and an element 23 (see Fig. 1 ), For example, a thread, arranged in the pump body 7.
  • the flushing inlet 6 can be locked by the closing element 2 and the closing element 2 is flowed around in the operating state in the fuel chamber 3 by a flushing fluid.
  • Fig. 1 As already in the description the Fig. 1 .
  • the closing element 2 is executed in a first material with a different expansion coefficient than the pump body 7, which is made of a second material and in which the flushing inlet 6 is formed.
  • the flushing fluid is, for example, a heavy fuel oil, diesel or another suitable for a large diesel engine fuel that can be passed through the fuel supply line 4 into the fuel chamber 3.
  • the rinsing inlet 6 can be opened by the closing element 2 as a function of the temperature, since the rinsing inlet 6 and the closing element 2 expand thermally in such a way, for example, when heated, preferably from a temperature of 100 ° C., more preferably from a temperature of 120 ° C. in that the closing element 2 releases the rinsing inlet 6.
  • the fuel chamber 3, the scavenging inlet 6 and the purge line 5 are fluidly connected to each other in an open state of the scavenging inlet 6, so that the scavenging fluid can flow into a spring chamber 8.
  • the flushing line 5 is fluidly connected to the spring chamber 8, so that the flushing fluid flows with the flushing inlet 6 open into the spring chamber 8.
  • the inflowing into the spring chamber 6 flushing fluid which is a presettable Temperature can dissolves in the spring chamber polymerized flushing fluids and is passed through a flushing outlet 9 from the device 1.
  • FIG. 5 A variant of the second embodiment of the inventive device is in Fig. 5 shown schematically and agrees with substantially Fig. 4 match. It is a Spülzutechnisch 10, which is fluidly connected to the purge line 5, provided so that the purge fluid is fed separately and not removed from the fuel chamber 4.
  • the closing element 2 is on a holder 24 (see Fig. 1 ), for example, a bore and an element 23 (see Fig. 1 ), For example, a thread, arranged in the fuel supply line 4.
  • the needle 26, in which the flushing inlet 6 is formed as an opening, for example a bore, is arranged on the flushing line 10. If there is a thermal expansion of the closing element 2 due to heating by the flushing fluid, the needle 26 expands, the flushing inlet 6 is released and the flushing fluid flows from the flushing line 10 via the flushing line 5 in the spring chamber eighth
  • a third embodiment of the inventive device is in Fig. 6 shown schematically and agrees with substantially Fig. 4 and Fig. 5 match.
  • the closing element 2 is on a holder 24 (see Fig. 1 ), which is, for example, a bore, and an element 23 (see FIG Fig. 1 ), For example, a thread, arranged in the fuel supply line 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP14151843.1A 2013-02-06 2014-01-21 Dispositif, en particulier dispositif de pompe pour un grand moteur diesel, et procédé de nettoyage d'un dispositif Not-in-force EP2765302B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14151843.1A EP2765302B1 (fr) 2013-02-06 2014-01-21 Dispositif, en particulier dispositif de pompe pour un grand moteur diesel, et procédé de nettoyage d'un dispositif

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13154133 2013-02-06
EP14151843.1A EP2765302B1 (fr) 2013-02-06 2014-01-21 Dispositif, en particulier dispositif de pompe pour un grand moteur diesel, et procédé de nettoyage d'un dispositif

Publications (2)

Publication Number Publication Date
EP2765302A1 true EP2765302A1 (fr) 2014-08-13
EP2765302B1 EP2765302B1 (fr) 2017-05-10

Family

ID=47722023

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14151843.1A Not-in-force EP2765302B1 (fr) 2013-02-06 2014-01-21 Dispositif, en particulier dispositif de pompe pour un grand moteur diesel, et procédé de nettoyage d'un dispositif

Country Status (6)

Country Link
EP (1) EP2765302B1 (fr)
JP (1) JP2014152775A (fr)
KR (1) KR20140100409A (fr)
CN (1) CN103967669A (fr)
BR (1) BR102014002431A2 (fr)
RU (1) RU2014104108A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111894780B (zh) * 2020-07-30 2022-06-21 一汽解放汽车有限公司 一种供油泵用进油阀及高压共轨系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386692A1 (fr) * 1977-04-07 1978-11-03 Bosch Gmbh Robert Installation d'alimentation en carburant pour moteurs a combustion interne
JPH07247938A (ja) * 1994-03-04 1995-09-26 Yanmar Diesel Engine Co Ltd 燃料噴射ポンプおよびその洗浄方法
EP1270925A2 (fr) * 2001-06-28 2003-01-02 Robert Bosch Gmbh Dispositif de soupape pour commuter l'écoulement de retour d'une pompe à injection Diesel dépendant de la température
WO2012140316A1 (fr) * 2011-04-12 2012-10-18 Wärtsilä Finland Oy Pompe d'injection de carburant et procédé et système de nettoyage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386692A1 (fr) * 1977-04-07 1978-11-03 Bosch Gmbh Robert Installation d'alimentation en carburant pour moteurs a combustion interne
JPH07247938A (ja) * 1994-03-04 1995-09-26 Yanmar Diesel Engine Co Ltd 燃料噴射ポンプおよびその洗浄方法
EP1270925A2 (fr) * 2001-06-28 2003-01-02 Robert Bosch Gmbh Dispositif de soupape pour commuter l'écoulement de retour d'une pompe à injection Diesel dépendant de la température
WO2012140316A1 (fr) * 2011-04-12 2012-10-18 Wärtsilä Finland Oy Pompe d'injection de carburant et procédé et système de nettoyage

Also Published As

Publication number Publication date
KR20140100409A (ko) 2014-08-14
CN103967669A (zh) 2014-08-06
RU2014104108A (ru) 2015-08-10
EP2765302B1 (fr) 2017-05-10
JP2014152775A (ja) 2014-08-25
BR102014002431A2 (pt) 2014-12-02

Similar Documents

Publication Publication Date Title
DE102013205624B4 (de) Ventil zum Einblasen von gasförmigen Kraftstoffen für eine Brennstoffmaschine
DE102013213506B4 (de) Verfahren zum Betreiben eines Kraftstoffeinspritzsystems mit einer Kraftstofffilterheizung und Kraftstoffeinspritzsystem
DE102015208502A1 (de) Wassereinspritzvorrichtung einer Brennkraftmaschine
EP3346120B1 (fr) Dispositif d'injection d'eau d'un moteur à combustion interne et procédé de fonctionnement d'un tel dispositif d'injection d'eau
DE102014012170A1 (de) Dual-brennstoffsystem für einen verbrennungsmotor und dichtungsstrategie dafür zur begrenzung von leckage
DE102015208489A1 (de) Wassereinspritzvorrichtung einer Brennkraftmaschine und Verfahren zum Betreiben einer solchen Wassereinspritzvorrichtung
DE102010050560A1 (de) Kraftstoffhochdruckpumpe für eine Brennkraftmaschine mit Direkteinspritzung
DE102011105351A1 (de) Treibstoffsystem das Speicher und Strömungsbegrenzer aufweist
DE102012206979A1 (de) Kraftstoffeinspritzsystem für eine Brennkraftmaschine und Verfahren zum Betreiben des Kraftstoffeinspritzsystems
EP2423498A1 (fr) Soupape de limitation de débit passive
EP3015699B1 (fr) Système d'alimentation en gaz équipé d'un système de contrôle et cylindre pour un moteur à combustion interne à piston élévateur, moteur à combustion interne à piston élévateur, ainsi que procédé de fonctionnement d'un moteur à combustion interne à piston élévateur
EP2694796B1 (fr) Soupape de vidange pour systèmes d'injection d'huile lourde à rampe commune
EP2765302B1 (fr) Dispositif, en particulier dispositif de pompe pour un grand moteur diesel, et procédé de nettoyage d'un dispositif
DE102013002758B4 (de) Spülverfahren zur Durchführung mit einem Kraftstoffinjektor
DE102015000311A1 (de) Dual-Brennstoffmotor mit verlängerter Ventilöffnung
AT512422B1 (de) Vorrichtung zum einspritzen von kraftstoff in den brennraum einer brennkraftmaschine
EP1370764A1 (fr) Procede pour injecter du carburant dans les chambres de combustion d'un moteur a combustion interne et systeme d'injection de carburant destine a un tel moteur
EP2475864B1 (fr) Procédé permettant de faire fonctionner un moteur diesel de navire
DE102006047294A1 (de) Kraftstoffversorgungsanlage einer Brennkraftmaschine
EP0690222B1 (fr) Disposit d'injection pour injecter du combustible dans un moteur à piston à combustion interne
DE102005025601A1 (de) Einspritzpumpe für eine Brennkraftmaschine sowie Brennkraftmaschine
AT512277A4 (de) Injektor eines modularen Common-Rail-Kraftstoffeinspritzsystems mit Durchflussbegrenzer
DE102008038448B4 (de) Vorrichtung und Verfahren zum Einleiten von Kraftstoff in ein Abgassystem
EP1589218A1 (fr) Amortisseur des fluctuations pour un système hydraulique
EP3548731B1 (fr) Système d'alimentation en carburant et bloc répartiteur de carburant

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140121

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

R17P Request for examination filed (corrected)

Effective date: 20150213

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20170209

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 892626

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170515

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502014003708

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20170510

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170810

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170811

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170810

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170910

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502014003708

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20180213

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502014003708

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20180121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180131

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180801

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180121

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20180928

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20180131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180131

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180131

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180131

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 892626

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20140121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170510

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170510