CN106640456B - For the pump rail body of internal combustion engine fuel injection system - Google Patents
For the pump rail body of internal combustion engine fuel injection system Download PDFInfo
- Publication number
- CN106640456B CN106640456B CN201611226165.6A CN201611226165A CN106640456B CN 106640456 B CN106640456 B CN 106640456B CN 201611226165 A CN201611226165 A CN 201611226165A CN 106640456 B CN106640456 B CN 106640456B
- Authority
- CN
- China
- Prior art keywords
- rail body
- duct
- pump rail
- storage
- chamber
- 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.)
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Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 27
- 239000000446 fuel Substances 0.000 title claims abstract description 27
- 238000002347 injection Methods 0.000 title claims abstract description 22
- 239000007924 injection Substances 0.000 title claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 36
- 238000007906 compression Methods 0.000 claims abstract description 36
- 239000000295 fuel oil Substances 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 abstract description 4
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- 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
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 pump rail body for internal combustion engine fuel injection system, the pump rail body has ram compression chamber (101) and storage of higher pressures chamber (102).So as to provide a kind of pump rail body for internal combustion engine fuel injection system that the dual function with storing is compressed using simple constitution realization fuel oil.
Description
Technical field
The present invention relates to rail body is pumped, the pump rail body of internal combustion engine fuel injection system is more particularly related to.
Background technology
The mechanical single cylinder pump sprayer and electronically controlled unit pump device of existing single cylinder diesel are all single column
Plug compression pump mode, no high pressure storage device, diesel compression pressure depend primarily upon the rotating speed of driving cam and cam contour work
The rate of section, can not take into account demand of the different operating modes to pressure.Especially in middle low speed, it is difficult to relatively high pressure is provided,
Atomization badness is caused, economy and discharge index deteriorate.
In addition, in existing multi-cylinder engine technology, " condominium technology " is widely adopted.Usual pattern is：By one
The fuel under high pressure that plug-in high pressure pump assembly generates is transmitted to the dedicated independent length covered mounted on IC engine cylinder by pipeline
Cast rail, wherein being connected to the pipeline for the electrically controlled injector for leading to each cylinder on type rail.The automatically controlled fuel injection skill of this pressure storage type
Art has substantially met the timing of each operating mode of internal combustion engine, the quantitative, requirement of level pressure.But the prior art to the manufacture of long tube type rail and
Super-pressure static sealing is proposed high requirement.Moreover, for the multi-cylinder engine that power per cylinder is big, rotating speed is high, to obtain
In type rail the preferable stability of storage fuel, it is necessary to which constantly increase type rail length and storage cavity volume, cause engine is cold to open
Dynamic difficulty.
If the fuel storage of ram compression can get up in a component, provide needed for each operating mode of internal combustion engine not
Same charge oil pressure can then significantly improve the quality of diesel combustion for single cylinder diesel, obtain preferable fuel economy
And discharge index；For multi-cylinder engine, the space that independent long tube type rail is set can be saved, improves cooling performance.
The content of the invention
In view of the above problems, the purpose of the present invention is intended to provide a kind of simple constitution realization fuel oil of utilization and compresses and store
Dual function the pump rail body for internal combustion engine fuel injection system.
For this purpose, the present invention includes but is not limited to following proposal.
The present invention provides a kind of pump rail body for internal combustion engine fuel injection system, and the pump rail body has ram compression chamber
With storage of higher pressures chamber.
Preferably, the top of the pump rail body is provided with the flange of fastening installation, and the pump rail body is from below flange face
For the cylindricality being tapered.
Preferably, the position of flange face is provided with one or more side boss on the top of the pump rail body.
Preferably, the side boss have for install pressure sensor or high pressure oil output device threaded hole and
Lead to the passage of the storage of higher pressures chamber.
Preferably, the first duct connected with fuel oil input area is disposed radially on the top of the ram compression chamber,
First duct band is useful for the inlet valve sealing cone of one-way sealing；In the ram compression chamber and the storage of higher pressures chamber
Between be provided with the second duct, second duct band is useful for the check-valve cone of one-way sealing.
Preferably, first duct and first duct have been disposed radially on the top of the ram compression chamber
The cavity volume for being used to install inlet valve device of connection and the threaded hole for fixing the oil inlet valve gear.
Preferably, between the ram compression chamber and the storage of higher pressures chamber it is axially disposed have second duct,
Threaded hole with the cavity volume for being used to install oil outlet valve device of second hole link and for fixing the oil outlet valve device,
Second duct is connected with for installing the cavity volume of inlet valve device, for fixing the spiral shell of the oil outlet valve device
Pit is connected with the storage of higher pressures chamber.
Preferably, be disposed radially between the ram compression chamber and the storage of higher pressures chamber second duct,
Threaded hole with the cavity volume for being used to install oil outlet valve device of second hole link and for fixing the oil outlet valve device,
Second duct is connected via the 3rd duct axially extended with for installing the cavity volume of inlet valve device, for pacifying
The cavity volume of dress oil outlet valve device is connected via the 4th duct axially extended with the storage of higher pressures chamber.
Preferably, the upper end of the pump rail body has the threaded hole for installing high pressure oil output device.
Preferably, the ram compression chamber and the storage of higher pressures chamber are set coaxially with each other.
In the pump rail body for internal combustion engine fuel injection system of the present invention, while there is provided ram compression chamber and high pressures
Storage chamber, the fuel oil of ram compression by can the passage of unidirectional blocking feed storage of higher pressures chamber, externally exported by storage of higher pressures chamber.
Therefore, using simple constitution realization fuel oil compression and storage dual function, and with being compact, easy to installation, high densification
The advantages that seal ring section is small, intensity is high, good reliability.
Description of the drawings
Multiple embodiments of the present invention are shown in the drawings, and detailed retouch is carried out to them in the following description
It states.
Fig. 1 is the sectional view of the pump rail body for internal combustion engine fuel injection system according to a first embodiment of the present invention；
Fig. 2 is the axonometric drawing of the pump rail body shown in FIG. 1 for internal combustion engine fuel injection system；
Fig. 3 is the sectional view of the pump rail body for internal combustion engine fuel injection system according to a second embodiment of the present invention；
Fig. 4 is the axonometric drawing of the pump rail body shown in Fig. 3 for internal combustion engine fuel injection system.
Specific embodiment
The preferred embodiment of the present invention is further detailed with reference to the accompanying drawings.It will be appreciated, however, that these are said
It is bright to be only exemplary, it is not used in and limits the scope of the invention.
Internal combustion engine (such as diesel engine) fuel oil that is used for that Fig. 1 and Fig. 2 examples go out according to a first embodiment of the present invention sprays system
The pump rail body of system, wherein Fig. 1 are sectional views, and Fig. 2 is axonometric drawing.
In the present specification, unless otherwise instructed, direction (i.e. Fig. 1 and Fig. 3 of the axis parallel to pump rail body are axially referred to
In vertical direction) or be roughly parallel to pump rail body axis direction, radially refer to parallel to pump rail body radial direction direction
(left and right directions i.e. in Fig. 1 and Fig. 3) or the direction for being roughly parallel to the radial direction for pumping rail body.
As depicted in figs. 1 and 2, it is substantially cylindric to pump rail body.The top of pump rail body is provided with the method for fastening installation
Orchid 401, pump rail body subtracts carefully step by step from below flange face.In the inside of pump rail body, opened up on top along the axis direction of pump rail body
Storage of higher pressures chamber 102 has coaxially opened up ram compression chamber 101 in lower part and storage of higher pressures chamber 102.
It coaxially machined what is connected with ram compression chamber 101 with storage of higher pressures chamber 102 from the lower end of storage of higher pressures chamber 102
Second duct 202 and the cavity volume 501 for installing oil outlet valve device and the threaded hole 502 for fixing oil outlet valve device.With
It is connected in the threaded hole 502 of fixed oil outlet valve device with storage of higher pressures chamber 102.Close storage of higher pressures chamber in the second duct 202
102 one end is machined with the check-valve cone 301 for one-way sealing.
It machined to install the threaded hole 503 of high pressure oil output device in the upper end of storage of higher pressures chamber 102.In pump rail body
Top also set up higher than the position of flange face there are one side boss 402.It machined that pressure is installed in side boss 402
The threaded hole 505 of force snesor, the threaded hole 505 are connected by passage (inclined hole 507) with storage of higher pressures chamber 102.
In addition, the first duct 201 led to outside pump rail body is radially opened up on the top of ram compression chamber 101.
One end of the close ram compression chamber 101 in the first duct 201 is machined with the inlet valve sealing cone 302 for one-way sealing.With
First duct 201 is coaxially disposed the cavity volume 506 for being useful for installation inlet valve device and the spiral shell for fixing oil inlet valve gear
Pit 504.Cavity volume 506 for installing inlet valve device is connected with the second duct 202.
It has been opened up in the flange 401 of fastening installation for fixed three through holes 403 of screw.Side boss 402 is pumping
Rail body is circumferentially arranged between the position for having opened up through hole 403 of flange 401.
By installing pressure sensor in the threaded hole 505 of side boss 402, installed in threaded hole 503 directly with
The high pressure oil output device of the unshowned Electrocontrolled high-pressure injector connection of internal combustion engine, can use the pump rail body of first embodiment
In single cylinder diesel fuel injection system.
Illustrate the second embodiment of the present invention referring to Fig. 3 and Fig. 4.Fig. 3 and Fig. 4 examples go out another for internal combustion engine
The pump rail body of (such as diesel engine) fuel injection system, wherein Fig. 3 are sectional views, and Fig. 4 is axonometric drawing.In figs. 3 and 4, it is right
In the reference numeral identical with the same or similar component mark of first embodiment, and it is omitted to these components specifically
It is bright.
As shown in Figure 3 and Figure 4, identical with first embodiment, the pump rail body of the present embodiment is substantially cylindric.In pump rail body
Top be provided with the flange 401 of fastening installation, opened up in flange 401 for the fixed through hole 403 of screw, from flange face
Pump rail body subtracts carefully step by step below.Unlike first embodiment, in the present embodiment, the quantity for the through hole that flange 401 opens up
It is not three, but two.
It is identical with first embodiment, in the present embodiment, in the inside of pump rail body, in axis direction of the top along pump rail body
Storage of higher pressures chamber 102 has been opened up, ram compression chamber 101 has coaxially been opened up in lower part and storage of higher pressures chamber 102.In ram compression
The top of chamber 101, which has radially opened up, leads to the first duct 201 outside pump rail body and in the close plunger pressure in the first duct 201
One end of contracting chamber 101 is machined with the inlet valve sealing cone 302 for one-way sealing, is radially additionally provided with and the first duct
The cavity volume 506 for being used to install inlet valve device of 201 connections and the threaded hole 504 for fixing oil inlet valve gear.It is real with first
It applies unlike example, the axis in the first duct 201 is not always along radial direction, but in the one end for being communicated in fuel oil input area
Compared with being radially orientated, 101 place side of ram compression chamber is inclined.So the first duct 201 is set so that pump rail body is capable of providing
Enough spaces are used for being disposed radially following threaded holes 502 for being used to fix oil outlet valve device and for installing delivery valve dress
The cavity volume 501 put.
In addition, second embodiment is with first embodiment main difference part, and in the present embodiment, storage of higher pressures chamber 102
The method that transition is led to is employed between ram compression chamber 101.Specifically, in storage of higher pressures chamber 102 and ram compression chamber 101
Between be disposed radially the second duct 202 with check-valve cone 301 and the cavity volume for installing oil outlet valve device
501 and the threaded hole 502 for fixing oil outlet valve device；Second duct 202 via the 3rd duct 2022 axially extended with
Cavity volume 506 for installing inlet valve device connects, for installing the cavity volume 501 of oil outlet valve device via axially extended
Four ducts 2021 are connected with storage of higher pressures chamber 102.Though this frame mode adds a high pressure sealing point and but greatly reduces
Technology difficulty.
In addition, as shown in figure 4, in the present embodiment, the position that flange face is slightly above on the top of pump rail body is provided with two
A side boss 402a, 402b.Two side boss 402a, 402b are circumferentially arranged at opening up for flange 401 pump rail body
Between the position of through hole 403.In side boss 402a, 402b it is machined with that high pressure oil output device and pressure are installed respectively
Threaded hole 505a, 505b of sensor.Threaded hole 505a, 505b pass through inclined hole 507a, a 507b and storage of higher pressures chamber 102 respectively
It is connected.The upper end of storage of higher pressures chamber 102 is machined with the threaded hole 503 of sealing.
It is directly sprayed by being installed in the threaded hole 505a of side boss 402a with the unshowned Electrocontrolled high-pressure of internal combustion engine
The high pressure oil output device of emitter connection, pressure sensor is installed in threaded hole 505b, can be by the pump rail of second embodiment
Body is used for single cylinder diesel fuel injection system.
Following modification can also be carried out to the pump rail body of second embodiment：Threaded hole 505a and side in side boss 402a
Put the high pressure for being respectively mounted in the threaded hole 505b of boss 402b and directly being connected with the unshowned Electrocontrolled high-pressure injector of internal combustion engine
Oily output device installs pressure sensor in threaded hole 503, so as to which the pump rail body of the modification is used for multi-cylinder engine
Fuel injection system.
Furthermore it is also possible to following modification is carried out to the pump rail body of second embodiment：In the threaded hole of side boss 402a
It is respectively mounted in the threaded hole 505b of 505a and side boss 402b and directly connects with the unshowned Electrocontrolled high-pressure injector of internal combustion engine
Logical high pressure oil output device does not install pressure sensor in threaded hole 503 but is arranged to threaded hole 503 with second in fact
The identical sealing threaded hole of example is applied, so as to be used for the pump rail body of the modification via the distributor with pressure sensor
It is connected to the multi-cylinder engine fuel injection system of Electrocontrolled high-pressure injector.
Beneficial effects of the present invention are briefly described below.
In the pump rail body for internal combustion engine fuel injection system of the present invention, while there is provided a ram compression chambers
101 and a storage of higher pressures chamber 102, the fuel oil of ram compression by can the passage of unidirectional blocking feed storage of higher pressures chamber 102, by
Storage of higher pressures chamber 102 externally exports.Therefore, using simple constitution realization fuel oil compression and storage dual function, and have
It is compact, easy to installation, high pressure sealing link is small, intensity is high, good reliability.
In the pump rail body for internal combustion engine fuel injection system of the present invention, on the top of ram compression chamber 101 along footpath
To the first duct 201 for being connected with fuel oil input area is provided with, 201 band of the first duct is useful for the inlet valve sealing of one-way sealing
The conical surface 302, is additionally provided with the second duct 202 between ram compression chamber 101 and storage of higher pressures chamber 102, and the second duct 202 carries
Check-valve cone 301.Therefore, simply realize between ram compression chamber 101 and external fuel delivery and compression is fired
Contacting between oil and storage of higher pressures chamber 102.
In the pump rail body for internal combustion engine fuel injection system of the present invention, it is provided with (logical with multiple fastening mounting holes
Hole 403) fastening installation flange 401.It thus provides pump rail body is securedly mounted to the different selections on internal combustion engine.
It should be appreciated that " high pressure " in " the storage of higher pressures chamber " mentioned in the application, " high pressure oil output device " etc. is phase
For other areas of low pressure in internal combustion engine or component.Those skilled in the art understand or are at most reading this certainly
It can be appreciated that the meaning of above-mentioned " high pressure " on the basis of the specification of application.
It should be appreciated that embodiments presented above is given for example only the preferred embodiment of the present invention, limitation is not used in originally
The scope of invention.Those skilled in the art can make the above embodiment of the present invention various change under the teachings of the present invention
Change and modification.The same embodiment or one or several elements in different embodiment or feature may also form new beneficial reality
Example is applied, different embodiments can be combined as.
Claims (9)
1. a kind of pump rail body for internal combustion engine fuel injection system, the pump rail body has ram compression chamber (101) and high pressure
Storage chamber (102),
Be disposed radially on the top of the ram compression chamber (101) connected with fuel oil input area the first duct (201), with
What first duct (201) connected is used to install the cavity volume (506) of inlet valve device and for fixing the oil inlet valve gear
Threaded hole (504), the first duct (201) band is useful for the inlet valve sealing cone (302) of one-way sealing.
2. pump rail body according to claim 1, which is characterized in that
The top of the pump rail body is provided with the flange (401) of fastening installation, and the pump rail body is gradual from below flange face
Subtract thin cylindricality.
3. pump rail body according to claim 2, which is characterized in that
It is described pump rail body top higher than flange face position be provided with one or more side boss (402,402a,
402b)。
4. pump rail body according to claim 3, which is characterized in that
The side boss (402,402a, 402b) has the threaded hole for installing pressure sensor or high pressure oil output device
(505,505a, 505b) and the passage (507,507a, 507b) for leading to the storage of higher pressures chamber (102).
5. pump rail body according to any one of claim 1 to 4, which is characterized in that
It is provided with the second duct (202) between the ram compression chamber (101) and the storage of higher pressures chamber (102), described
Two ducts (202) band is useful for the check-valve cone (301) of one-way sealing.
6. pump rail body according to claim 5, which is characterized in that
It is axially disposed between the ram compression chamber (101) and the storage of higher pressures chamber (102) to have second duct
(202), connected with second duct (202) for installing the cavity volume (501) of oil outlet valve device and for going out described in fixation
The threaded hole (502) of fuel tap device,
Second duct (202) connects with for installing the cavity volume (506) of inlet valve device, described fuel-displaced for fixing
The threaded hole (502) of valve gear is connected with the storage of higher pressures chamber (102).
7. pump rail body according to claim 5, which is characterized in that
Second duct has been disposed radially between the ram compression chamber (101) and the storage of higher pressures chamber (102)
(202), connected with second duct (202) for installing the cavity volume (501) of oil outlet valve device and for going out described in fixation
The threaded hole (502) of fuel tap device,
Second duct (202) installs the described of inlet valve device via the 3rd duct (2022) axially extended with being used for
Cavity volume (506) connects, for installing the cavity volume (501) of oil outlet valve device via the 4th duct (2021) axially extended
It is connected with the storage of higher pressures chamber (102).
8. pump rail body according to any one of claim 1 to 4, which is characterized in that the upper end of the pump rail body, which has, to be used
In the threaded hole (503) of installation high pressure oil output device.
9. pump rail body according to any one of claim 1 to 4, which is characterized in that the ram compression chamber (101) and institute
Storage of higher pressures chamber (102) is stated to set coaxially with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226165.6A CN106640456B (en) | 2016-12-27 | 2016-12-27 | For the pump rail body of internal combustion engine fuel injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226165.6A CN106640456B (en) | 2016-12-27 | 2016-12-27 | For the pump rail body of internal combustion engine fuel injection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640456A CN106640456A (en) | 2017-05-10 |
| CN106640456B true CN106640456B (en) | 2018-05-29 |
Family
ID=58832802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226165.6A Active CN106640456B (en) | 2016-12-27 | 2016-12-27 | For the pump rail body of internal combustion engine fuel injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640456B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149032A (en) * | 2006-09-20 | 2008-03-26 | 无锡油泵油嘴研究所 | Common rail system high pressure oil-feeding pump |
| CN102162419A (en) * | 2011-04-01 | 2011-08-24 | 宁波舜田良源油嘴油泵有限公司 | Double-cylinder line-up fuel injection pump for diesel engine |
| CN202012427U (en) * | 2011-03-02 | 2011-10-19 | 无锡威孚高科技集团股份有限公司 | Common-rail high-pressure pump with integrated pump and rail |
| CN103089508A (en) * | 2013-02-06 | 2013-05-08 | 福建省莆田市中涵机动力有限公司 | Coaxial type common rail pump oil inlet and outlet combined valve |
| CN104847554A (en) * | 2015-04-09 | 2015-08-19 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Electric control unit pump for diesel machine |
| CN205744225U (en) * | 2016-06-18 | 2016-11-30 | 常州博瑞油泵油嘴有限公司 | The common rail pump parts of single cylinder diesel high voltage common rail pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50013384D1 (en) * | 1999-11-19 | 2006-10-12 | Crt Common Rail Tech Ag | High-pressure injection system with common rail |
-
2016
- 2016-12-27 CN CN201611226165.6A patent/CN106640456B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149032A (en) * | 2006-09-20 | 2008-03-26 | 无锡油泵油嘴研究所 | Common rail system high pressure oil-feeding pump |
| CN202012427U (en) * | 2011-03-02 | 2011-10-19 | 无锡威孚高科技集团股份有限公司 | Common-rail high-pressure pump with integrated pump and rail |
| CN102162419A (en) * | 2011-04-01 | 2011-08-24 | 宁波舜田良源油嘴油泵有限公司 | Double-cylinder line-up fuel injection pump for diesel engine |
| CN103089508A (en) * | 2013-02-06 | 2013-05-08 | 福建省莆田市中涵机动力有限公司 | Coaxial type common rail pump oil inlet and outlet combined valve |
| CN104847554A (en) * | 2015-04-09 | 2015-08-19 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Electric control unit pump for diesel machine |
| CN205744225U (en) * | 2016-06-18 | 2016-11-30 | 常州博瑞油泵油嘴有限公司 | The common rail pump parts of single cylinder diesel high voltage common rail pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640456A (en) | 2017-05-10 |
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