CN101592113A - Oil supply device for internal combustion engine - Google Patents
Oil supply device for internal combustion engine Download PDFInfo
- Publication number
- CN101592113A CN101592113A CNA2009101418396A CN200910141839A CN101592113A CN 101592113 A CN101592113 A CN 101592113A CN A2009101418396 A CNA2009101418396 A CN A2009101418396A CN 200910141839 A CN200910141839 A CN 200910141839A CN 101592113 A CN101592113 A CN 101592113A
- Authority
- CN
- China
- Prior art keywords
- pressure
- displacement
- oil pipe
- oil
- accumulator system
- 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.)
- Pending
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Images
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
- 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
- F02M59/10—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 characterised by the piston-drive
-
- 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
- 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
- F02M59/46—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
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0045—Three-way 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
- F02M63/0012—Valves
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications
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 an oil supply device for an internal combustion engine. The present invention relates to a high-pressure common rail oil supply device for an internal combustion engine. According to the invention, the switching element (1) is designed as a displacement-blocking plunger valve in such a way that a displacement-blocking plunger (4) is integrated in the two-position three-way directional control valve (3), wherein when the two-position three-way reversing valve opens the high-pressure line to the pressure accumulator system, the displacement closure plunger (4) is moved against the spring force of a spring element (5) acting together with the displacement closure plunger in such a way that the displacement closure plunger opens the high-pressure line (2) to the injector, and the control line (8) is closed, and when the two-position three-way reversing valve closes the high-pressure oil pipe to the pressure accumulator system, the displacement closure plunger (4) can be displaced in this way by the spring force of a spring element (5) which interacts with the displacement closure plunger, so that the displacement closure plunger closes the high-pressure line (2) to the injector and opens the control line (8).
Description
Technical field
The present invention relates to a kind of according to the oil supplying device of chatting the described internal-combustion engine of part before the claim 1, be the high-pressure common-rail oil supplier of internal-combustion engine.
Background technique
DE10157135B4 discloses a kind of internal-combustion engine that has a plurality of cylinders, be a kind of marine diesel engine that starts with heavy oil that has a plurality of cylinders, wherein the sparger of a high-pressure common-rail oil supplier is distributed to each cylinder.Fuel oil can spray in each cylinder of internal-combustion engine by sparger.High-pressure common-rail oil supplier according to DE10157135B4 comprises the pump-unit with a plurality of high-pressure service pumps, so that fuel oil is transported to the zone of high pressure of high-pressure common-rail oil supplier from the low pressure area of high-pressure common-rail oil supplier, wherein is provided with an accumulator system that is in constantly under the high pressure in the zone of high pressure between pump-unit and sparger.The accumulator system that is in constantly under the high pressure is also referred to as high-pressure common rail, and this accumulator system has a plurality of Storage Units according to DE10157135B4, and is connected with pump-unit by the high-pressure oil pipe that is in equally constantly under the high pressure.The accumulator system is connected with sparger by the high-pressure oil pipe that temporarily is under the high pressure according to the oil spout circulation in addition.The switching element that constitutes the two-bit triplet selector valve is assigned to according to the oil spout circulation and temporarily is in high-pressure oil pipe high pressure under, and this high-pressure oil pipe is connected sparger with the accumulator system, and this switching element circulates fuel delivery to sparger according to oil spout.One control that produces on switching element is leaked or the control amount of fuel can be discharged by a throttle valve and a pressure maintaining valve according to DE10157135B4.
Summary of the invention
The present invention is a foundation with this problem from this point, propose a kind of novel internal-combustion engine oil supplying device, be a kind of high-pressure common-rail oil supplier of improved internal-combustion engine.This problem achieves a solution by oil supplying device according to claim 1.According to the present invention, switching element constitutes like this as displacement sealing plunger valve, so that displacement sealing plunger is integrated in two-bit triplet (3/2) selector valve, wherein, when the valve seat of two-bit triplet selector valve is opened the high-pressure oil pipe that leads to the accumulator system, the spring force that displacement sealing plunger just overcomes the spring element that concurs with displacement sealing plunger is moved like this, so that displacement sealing plunger is opened the high-pressure oil pipe that leads to sparger, and closing control pipeline, and when the valve seat of two-bit triplet selector valve is closed the high-pressure oil pipe that leads to the accumulator system, displacement sealing plunger just can be moved like this by the spring force that seals the spring element that plunger concurs with displacement, so that displacement sealing plunger is closed the high-pressure oil pipe that leads to sparger, and open pilot line.
According to the switching element of oil supplying device of the present invention make when the small liability fraying and guaranteeing to make under the small control amount of fuel foundation of enough voltage stabilizings or steady pressure and spraying the pressure balance of switching element becomes possibility when finishing, to avoid cavitation.Control amount of fuel and leakage amount of fuel can be discharged from safely and reliably.
Description of drawings
The present invention preferably improves structure and is obtained by dependent claims and following explanation.Embodiments of the invention are not limited thereto by means of accompanying drawing and describe in detail.Wherein:
Fig. 1 has represented a schematic representation according to the switching element of high-pressure common-rail oil supplier of the present invention.
Embodiment
The present invention relates to the high-pressure common-rail oil supplier of the marine diesel engine that a kind of internal-combustion engine, especially a usefulness heavy oil starts.High-pressure common-rail oil supplier has a low pressure area and a zone of high pressure.
The zone of high pressure of high-pressure common-rail oil supplier comprises at least one pump-unit and at least one accumulator system with Storage Unit with high-pressure service pump, wherein pump-unit is transported to the zone of high pressure with fuel oil from low pressure area, and is connected with the accumulator system by at least one high-pressure oil pipe.Accumulator system and each is connected the accumulator system with pump-unit high-pressure oil pipe are in a high working pressure constantly.
Can spray into cylinder by sparger from accumulator system fuel oil, wherein each sparger is connected with the accumulator system by at least one high-pressure oil pipe, and this high-pressure oil pipe temporarily is under the high pressure according to the oil spout circulation of internal-combustion engine.One switching element is distributed to each and temporarily is in high-pressure oil pipe high pressure under according to oil spout of internal-combustion engine circulation, and wherein the switching element fuel oil of opening or closing by temporarily being in the high-pressure oil pipe under the high pressure according to the oil spout circulation of internal-combustion engine flows.
Fig. 1 represented one in the zone of switching element 1 partial enlarged drawing of such oil supplying device, this switching element is distributed to one and temporarily is in high-pressure oil pipe under the high pressure according to the oil spout of internal-combustion engine circulation, and this high-pressure oil pipe extends between accumulator system and sparger.This high-pressure oil pipe has only represented that in Fig. 1 one leads to the part 2 of sparger.
Switching element 1 shown in Figure 1 constitutes displacement sealing plunger valve under meaning of the present invention, this displacement sealing plunger valve comprises one or two threeway (3/2-) selector valve 3 and displacement sealing plunger 4, and this displacement sealing plunger is integrated in the two-bit triplet selector valve 3.According to shown in Figure 1, a displacement sealing plunger 4 and a spring element 5 concur.
So when two-bit triplet selector valve 3 by valve body 6 when valve seat 7 lifts the high-pressure oil pipe of opening the accumulator system of leading to not expression, the spring force that displacement sealing plunger 4 overcomes spring element 5 to be provided can be moved like this, as in Fig. 1, representing, so that displacement sealing plunger 4 is opened the part 2 of the high-pressure oil pipe that leads to sparger, and closing control pipeline 8.
In contrast, when two-bit triplet selector valve 3 cuts out the high-pressure oil pipe that leads to the accumulator system, displacement sealing plunger 4 just can be mobile like this by the spring force of spring element 5, so that the part 2 of the high-pressure oil pipe of sparger is led in the sealing of displacement sealing plunger, and opens pilot line 8.
Two-bit triplet selector valve 3 is closed under this state, and spring element 5 seals plunger 4 with displacement and move to a position, open pilot line 8 at this position displacement sealing plunger, and the part 2 of the high-pressure oil pipe of sparger is led in sealing.Under this state, the control oil mass can be supplied with by a hole 9 that is integrated in the pilot line 8 in the displacement sealing plunger 4, and can discharge by pilot line 8.Voltage stabilizing or the steady pressure of determining with regard to can regulate one in a control chamber 10 can be avoided the formation of cavitation in control chamber 10 reliably with this steady pressure whereby.
When two-bit triplet selector valve 3 was closed constantly, issuable fuel leakage can seal plunger 4, promptly be supplied to fuel oil pilot line 8 by the hole 9 that is integrated in the displacement sealing plunger equally by displacement, and can be discharged from by same hole.Be integrated in throttle valve 11 in the hole 9 of displacement sealing plunger 4 and guarantee the voltage stabilizing determined or the maintenance of steady pressure.
A large amount of important function can be used according to the switching element 1 of oil supplying device of the present invention and realize.Therefore can remain on voltage stabilizing or the steady pressure of determining between two courses of injection.Fuel leakage can be discharged from reliably.When spraying end, can realize pressure balance.It is possible keeping high jet pressure.Switching element is characteristics with small control oil mass and small wearing and tearing.
The Reference numeral table
1 switch element
2 high-pressure oil pipe parts
3 two-bit triplets (3/2-) selector valve
4 displacements sealing plunger
5 spring elements
6 valve bodies
7 valve seats
8 pilot line
9 holes
10 control chambers
11 throttle valve
Claims (3)
1. the oil supplying device of internal-combustion engine, it is the high-pressure common-rail oil supplier of internal-combustion engine, have a low pressure area, have a pump-unit that comprises a high-pressure service pump at least, so that fuel oil is transported to the zone of high pressure of oil supplying device from the low pressure area of oil supplying device, wherein in the zone of high pressure at pump-unit with distribute to and be provided with one between the sparger of cylinder and have a Storage Unit at least, be in the accumulator system under the high pressure constantly, wherein the accumulator system is connected with pump-unit by at least one high-pressure oil pipe that is in equally constantly under the high pressure, wherein the accumulator system is connected with sparger by the high-pressure oil pipe that temporarily is under the high pressure according to the oil spout circulation, and wherein switching element is assigned to according to oil spout circulation and temporarily is in high-pressure oil pipe under the high pressure, this high-pressure oil pipe is connected sparger with the accumulator system, this switching element is given sparger according to the oil spout circulation with fuel delivery, it is characterized in that, switching element (1) constitutes like this as displacement sealing plunger valve, so that displacement sealing plunger (4) is integrated in the two-bit triplet selector valve (3), wherein, when the two-bit triplet selector valve is opened the high-pressure oil pipe that leads to the accumulator system, the spring force that displacement sealing plunger (4) just overcomes the spring element (5) that concurs with displacement sealing plunger can be moved like this, so that displacement sealing plunger is opened the high-pressure oil pipe (2) that leads to sparger, and closing control pipeline (8), and when the two-bit triplet selector valve cuts out the high-pressure oil pipe that leads to the accumulator system, displacement sealing plunger (4) just can be moved like this by the spring force that seals the spring element (5) that plunger concurs with displacement, so that displacement sealing plunger is closed the high-pressure oil pipe (2) that leads to sparger, and open pilot line (8).
2. oil supplying device according to claim 1, it is characterized in that, an integrated hole (9) in displacement sealing plunger (4), when the two-bit triplet selector valve cut out the high-pressure oil pipe that leads to the accumulator system, control flow rate and/or leakage flow can enter in the pilot line (8) by this hole.
3. oil supplying device according to claim 2 is characterized in that, an integrated throttle valve (11) in hole (9).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008025799A DE102008025799A1 (en) | 2008-05-29 | 2008-05-29 | Fuel supply system i.e. common-rail fuel supply system, for heavy fuel oil driven marine diesel engine, has piston that is moved by spring force, when valve closes pipe, where valve blocks another pipe and opens control line |
| DE102008025799.0 | 2008-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101592113A true CN101592113A (en) | 2009-12-02 |
Family
ID=40590350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101418396A Pending CN101592113A (en) | 2008-05-29 | 2009-05-26 | Oil supply device for internal combustion engine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2009287553A (en) |
| KR (1) | KR20090124926A (en) |
| CN (1) | CN101592113A (en) |
| DE (1) | DE102008025799A1 (en) |
| FI (1) | FI20095472A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201514625D0 (en) * | 2015-08-18 | 2015-09-30 | Delphi Int Operations Lux Srl | Regulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10157135B4 (en) | 2001-11-21 | 2004-03-11 | Man B & W Diesel Ag | Fuel supply system in the form of a common rail system of an internal combustion engine with several cylinders |
-
2008
- 2008-05-29 DE DE102008025799A patent/DE102008025799A1/en not_active Withdrawn
-
2009
- 2009-04-09 KR KR1020090030800A patent/KR20090124926A/en not_active Application Discontinuation
- 2009-04-28 FI FI20095472A patent/FI20095472A/en not_active IP Right Cessation
- 2009-05-08 JP JP2009113637A patent/JP2009287553A/en not_active Withdrawn
- 2009-05-26 CN CNA2009101418396A patent/CN101592113A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090124926A (en) | 2009-12-03 |
| FI20095472A (en) | 2009-11-30 |
| FI20095472A0 (en) | 2009-04-28 |
| JP2009287553A (en) | 2009-12-10 |
| DE102008025799A1 (en) | 2009-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091202 |