CN106870233A - A kind of cooling and lubricating oil circuit of bearing spider and directly jetting gasoline engine high-pressure oil pump cam - Google Patents
A kind of cooling and lubricating oil circuit of bearing spider and directly jetting gasoline engine high-pressure oil pump cam Download PDFInfo
- Publication number
- CN106870233A CN106870233A CN201710107462.7A CN201710107462A CN106870233A CN 106870233 A CN106870233 A CN 106870233A CN 201710107462 A CN201710107462 A CN 201710107462A CN 106870233 A CN106870233 A CN 106870233A
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- CN
- China
- Prior art keywords
- oil
- camshaft
- camshaft support
- nozzle
- cooling
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- 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
- F02M59/02—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
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of bearing spider and the cooling and lubricating oil circuit of directly jetting gasoline engine high-pressure oil pump cam, it includes pedestal, and the annular groove for installing camshaft assembly is provided with pedestal；One end of pedestal is connected with the tailstock arranged at an angle with it；Camshaft support ring shaped oil passage is provided with pedestal；Camshaft support afterbody oil duct is provided with tailstock；Camshaft support ring shaped oil passage is connected with camshaft support afterbody oil duct；The nozzle connected with camshaft support afterbody oil duct is additionally provided with tailstock；Nozzle is located on tailstock near the side of annular groove；The central axis of nozzle is horizontal by an inclination angle.Simple structure of the present invention, while ensure that cam of injection pump sufficient lubrication and cooling lubrication can be oriented to high-pressure oil pump and plunger, cooling and high lubricating effect, design is ingenious, compact in design, cooling and high lubricating effect, without newly-increased parts, without the oil circuit of the processed complex on cylinder cap, the layout of cylinder head and valve mechanism cover is not influenceed.
Description
Technical field
The present invention relates to a kind of bearing spider and the cooling and lubricating structure of high-pressure oil pump cam, belong to automobile engine skill
Art field, and in particular to be that a kind of bearing spider with lubricant passage way and a kind of directly jetting gasoline engine using the bearing spider are high
The cooling and lubricating oil circuit of pressure oil pump cam.
Background technology
Atomization quality requirement due to directly jetting gasoline engine to engine nozzle is very high, and this requires the injection pressure of fuel oil
It is very high, so directly jetting gasoline engine special configuration high-pressure oil pump is improving the pressure of oily rail.Usual high-pressure oil pump is arranged on cylinder
Cover by camshaft actuated, when engine speed is very high, the rotating speed of high-pressure oil pump cam is higher, cam of injection pump can be caused with oil
Pump plunger operating temperature is higher, is easily caused cam and plunger inordinate wear.At present, it is more typical for cam of injection pump in industry
Lubricating system be generally splash lubrication or set spray bar lubrication.It is high in valve-chamber cover that splash lubrication relies primarily on camshaft
Speed operating, allows cam of injection pump to be fully contacted oil gas and is lubricated and cools down.This splash lubrication mode simple structure, but to oil
The lubrication and cooling effect of pump cam are limited, lubrication easily occur and cooling is not enough, cause inordinate wear.Spray bar lubricating system
Cooling and high lubricating effect, but complex structure, increased amount of parts, and occupy the space in valve mechanism cover, tie
Structure is not compact enough.
A kind of high-pressure oil pump lubrication system is disclosed in Chinese utility model patent CN204163783U, it includes cylinder
Lid and high-pressure oil pump, the high-pressure oil pump are installed on cylinder head air inlet side middle part, drive tappet to be located at high-pressure oil pump and camshaft
Between, the rear end working connection side of the cylinder head is provided with horizontal oil duct, and the air inlet side of cylinder head is provided with oil leab, cylinder head
Upside is provided with upward spray-hole, and horizontal oil duct, oil leab, spray-hole are sequentially communicated, the spray-hole top alignment cam
Axle is provided with spill port with the faying face for driving tappet, cylinder head.The invention separately sets special oil circuit in cylinder head and leads to cam
The faying face of the driving tappet on axle and high-pressure oil pump, can directly lubricate high-pressure oil pump and high-pressure oil pump drives tappet, it is ensured that
Operating when engine works.But its oil channel structures is complicated, it is unfavorable for processing and manufacturing.
The content of the invention
The purpose of the present invention is intended to, and overcomes defect present in above-mentioned prior art, there is provided one kind ensure that oil pump
Cam sufficient lubrication and cooling, while the mode of compact conformation.
In order to solve the above technical problems, present invention employs bearing spider of the such a with lubricant passage way, it includes
Pedestal, is provided with the annular groove for installing camshaft assembly on the pedestal；It is in certain that one end of the pedestal is connected with it
The tailstock of angle arrangement；Camshaft support ring shaped oil passage is provided with the pedestal；Camshaft support is provided with the tailstock
Afterbody oil duct；The camshaft support ring shaped oil passage is connected with the camshaft support afterbody oil duct；Also set up on the tailstock
There is the nozzle connected with the camshaft support afterbody oil duct；The nozzle is located on tailstock near the side of annular groove；The spray
The central axis of mouth is horizontal by an inclination angle.
In a kind of preferred embodiment of the invention, the central axis of the nozzle be arranged on cylinder head on plunger
Central axis be mutually perpendicular to.
In a kind of preferred embodiment of the invention, towards in the nozzle of the driven end face oil spout of the plunger
Heart axis is tangent or coplanar with the driven end face of the plunger.
In a kind of preferred embodiment of the invention, the pedestal is fixed in the cylinder head by bolt；It is described
Camshaft support ring shaped oil passage is connected with point oil duct on the camshaft assembly.
In a kind of preferred embodiment of the invention, the camshaft support ring shaped oil passage includes being arranged at the annular groove
Upper and the first groove for radially stretching out and the lead-over groove for being arranged at the base end face；Described lead-over groove one end and institute
The connection of the first groove is stated, the other end is connected with the camshaft support afterbody oil duct.
The invention also discloses a kind of cooling and lubricating oil circuit of directly jetting gasoline engine high-pressure oil pump cam, it include cylinder head,
Camshaft assembly, camshaft support and high-pressure fuel injection pump assembly；The camshaft assembly passes through the camshaft support and the gas
Cylinder cap is affixed, and the high-pressure fuel injection pump assembly is installed on the high-pressure oil pump mounting hole in the cylinder head；Set in the cylinder head
Cylinder head main oil gallery is equipped with, camshaft main oil gallery is provided with the camshaft assembly, the cylinder head main oil gallery and described convex
Wheel shaft main oil gallery is connected；Point oil duct connected with the camshaft main oil gallery is additionally provided with the cylinder head；The camshaft
The ring shaped oil passage assembly connected with described point of oil duct and the nozzle connected with the ring shaped oil passage assembly are provided with bearing；Institute
State nozzle vertical with the high-pressure oil pump mounting hole and be directed at the contact position of cam of injection pump and plunger.
In a kind of preferred embodiment of the invention, the camshaft support includes seat part and tailstock portion；The tail
Portions are mutually perpendicular to the seat part；Camshaft support ring shaped oil passage is provided with the seat part, is set in the tailstock portion
Camshaft support afterbody oil duct is equipped with, the camshaft support ring shaped oil passage is connected with the camshaft support afterbody oil duct；Institute
State the nozzle for being additionally provided with tailstock portion and being connected with the camshaft support afterbody oil duct.
In a kind of preferred embodiment of the invention, the central shaft of the nozzle and the camshaft support afterbody oil duct
Line is arranged in 45° angle.
In a kind of preferred embodiment of the invention, central axis and the cylinder head of the high-pressure oil pump mounting hole
Vertical section in 45° angle arrange.
In a kind of preferred embodiment of the invention, the cam of injection pump is arranged at the camshaft assembly end；Institute
Plunger is stated to be driven by the cam of injection pump.
The beneficial effects of the invention are as follows：Simple structure of the present invention, it can not only ensure cam of injection pump sufficient lubrication and cold
But, while lubrication can be oriented to high-pressure oil pump and plunger.The present invention is by designing a kind of bearing with lubricant passage way
Bearing, using tailstock is designed on its pedestal and realized to high-pressure oil pump by designing on pedestal and tailstock oil duct and nozzle and
The orientation lubrication of plunger need not change the original structure of directly jetting gasoline engine high-pressure oil pump of the prior art simultaneously；Due to the nozzle with
The central axis of plunger is mutually perpendicular to the oil circuit that i.e. nozzle sprays and is overlapped with the tangent line of high-pressure oil pump and the contact point of plunger, so
Fixed point cooling and high lubricating effect；And design directly jetting gasoline engine high-pressure oil pump cam using according to the bearing spider in the present invention
The structure of cooling and lubricating oil circuit, designs ingenious, compact in design, cooling and high lubricating effect, without newly-increased parts, without in cylinder cap
The oil circuit of upper processed complex, the layout of cylinder head and valve mechanism cover is not influenceed.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the cooling and lubricating oil circuit of directly jetting gasoline engine high-pressure oil pump cam of the embodiment of the present invention
Figure, wherein 1 is cylinder head, 2 is camshaft assembly, and 3 is camshaft support, and 4 is high-pressure fuel injection pump assembly；
Fig. 2 is that a kind of longitudinally cutting of the cooling and lubricating oil circuit of directly jetting gasoline engine high-pressure oil pump cam of the embodiment of the present invention shows
It is intended to, wherein 11 is the main oil gallery of cylinder head, 21 is camshaft main oil gallery, and 22 is camshaft point oil duct, and 23 is the oil of camshaft
Pump cam, 13 is the high-pressure oil pump mounting hole of cylinder head, and the axis in hole is in 45° angle degree with the vertical section of cylinder head；
Fig. 3 is that a kind of transverse cross sectional of the cooling and lubricating oil circuit of directly jetting gasoline engine high-pressure oil pump cam of the embodiment of the present invention is shown
It is intended to, wherein 1 is cylinder head, 4 is high-pressure oil pump, and 23 is cam of injection pump, and 33 is camshaft support nozzle, axis and the height of nozzle
The axis of pressure oil pump mounting hole is vertical, and 41 is the plunger of high-pressure oil pump；
Fig. 4 is a kind of camshaft support of the cooling and lubricating oil circuit of directly jetting gasoline engine high-pressure oil pump cam of the embodiment of the present invention
Schematic diagram, wherein 31 be camshaft support ring shaped oil passage, 32 be camshaft support afterbody oil duct, 33 is nozzle end.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
Include pedestal 3a the invention discloses one kind, the annular groove 3b for installing camshaft assembly 2 is provided with pedestal 3a；
One end of pedestal 3a is connected with perpendicular tailstock 3c；Camshaft support ring shaped oil passage 31 is provided with pedestal 3a；Tailstock 3c
On be provided with camshaft support afterbody oil duct 32；Camshaft support ring shaped oil passage 31 is connected with camshaft support afterbody oil duct 32；
The nozzle 33 connected with camshaft support afterbody oil duct 32 is additionally provided with tailstock 3c；The central axis of nozzle 33 be arranged on gas
The central axis of the plunger 41 on cylinder cap 1 is mutually perpendicular to；Pedestal 3a is fixed in cylinder head 1 by bolt；Camshaft support ring
Shape oil duct 31 is connected with point oil duct 22 on camshaft assembly 2；Camshaft support ring shaped oil passage 31 includes being arranged on annular groove 3b
And the first groove 3b-1 for radially the stretching out and lead-over groove 3a-1 for being arranged at pedestal 3a end faces；Lead-over groove 3a-1 one end
Connected with the first groove 3b-1, the other end is connected with camshaft support afterbody oil duct 32.In this specification implementation shown in the drawings
In example, nozzle 33 is arranged with the Central Symmetry face of tailstock 3c in 45 °, and high-pressure fuel injection pump assembly is arranged on cylinder head in 45° angle degree
Upper rear end, fuel feed pump plunger is driven by camshaft cam of injection pump.
A kind of technical scheme of the cooling and lubricating oil circuit of directly jetting gasoline engine high-pressure oil pump cam of the present invention is：A kind of direct-injection vapour
The mode of oil machine high-pressure oil pump cam cooling and lubricating, mainly includes cylinder head 1, camshaft assembly 2, camshaft support 3 and high pressure
Oil pump assy 4.Camshaft is arranged in cylinder head by camshaft support, cylinder head main oil gallery 11 and the phase of camshaft main oil gallery 21
Logical, camshaft point oil duct 22 is communicated by camshaft support ring shaped oil passage 31 and afterbody oil duct 32 with nozzle 33.Camshaft support
The contact position of nozzle alignment high-pressure oil pump cam and fuel feed pump plunger, when engine is operated, lubricating oil via above-mentioned oil duct, to oil pump
Cam and plunger are oriented oil spout, there is provided continue proper lubrication and cooling；Described cylinder head, is integrated with main oil gallery and cylinder
Lid vertical section is in the high-pressure oil pump mounting hole of 45° angle degree；Described camshaft assembly, is integrated with main oil gallery, point oil duct and is located at
The cam of injection pump of cam shaft rear end；Described camshaft support, is designed with ring shaped oil passage, and the rear end of bearing devises " a tail
Bar ", is integrated with oil duct and the nozzle in 45° angle degree above, and after camshaft support is installed in cylinder head, nozzle is just aligned
The contact position of cam of injection pump and plunger；Described high-pressure fuel injection pump assembly, rear end, oil pump post in cylinder head are arranged in 45° angle degree
Plug is driven by camshaft cam of injection pump.
During using the present invention, when engine operating, lubricating oil from cylinder head main oil gallery 11, into camshaft main oil gallery 21,
A portion lubricating oil enters camshaft support ring shaped oil passage 31 and afterbody oil duct 32 by camshaft point oil duct 22, final logical
The nozzle 33 for crossing camshaft support is ejected.Due to the nozzle 33 of camshaft support, the just cam of injection pump of alignment cam axle
23 with the contact position of the high-pressure oil pump plunger 41 and driven end face to high-pressure oil pump plunger 41 is oriented lubrication, the driven end face
Refer to being contacted with cam of injection pump 23 and by the front end face of its high-pressure oil pump plunger 41 for promoting, therefore ejected from nozzle
Lubricating oil can carry out lasting orientation lubrication to both, and take away the heat that friction is produced, effectively reduce cam of injection pump and
The temperature of plunger, it is to avoid the risk of inordinate wear.
Oil duct of the invention, its lubricating oil path is 21 → camshaft of cylinder head main oil gallery 11 → camshaft main oil gallery point oil
Road 22 → camshaft support ring shaped oil passage 31 → camshaft support afterbody oil duct 31 → camshaft support, 33 → high-pressure oil pump of nozzle
Cam and plunger.
It should be appreciated that the above, specific embodiment only of the invention, but protection scope of the present invention is not
Be confined to this, any those of ordinary skill in the art disclosed herein technical scope in, the change that can be readily occurred in
Or replace, should all be included within the scope of the present invention.
Claims (10)
1. a kind of bearing spider with lubricant passage way, including pedestal (3a), is provided with convex for installing on the pedestal (3a)
The annular groove (3b) of axle aggregate (2)；It is characterized in that：One end of the pedestal (3a) is connected with to be arranged at an angle with it
Tailstock (3c)；Camshaft support ring shaped oil passage (31) is provided with the pedestal (3a)；Cam is provided with the tailstock (3c)
Shaft stool afterbody oil duct (32)；The camshaft support ring shaped oil passage (31) and the camshaft support afterbody oil duct (32) are even
It is logical；The nozzle (33) connected with the camshaft support afterbody oil duct (32) is additionally provided with the tailstock (3c)；The nozzle
(33) near the side of annular groove (3b) on tailstock (3c)；The central axis of the nozzle (33) is horizontal by an inclination angle.
2. a kind of bearing spider with lubricant passage way according to claim 1, it is characterised in that：The nozzle (33)
Central axis is mutually perpendicular to the central axis of the plunger (41) in cylinder head (1).
3. a kind of bearing spider with lubricant passage way according to claim 1 and 2, it is characterised in that：Towards the post
The central axis for filling in the nozzle (33) of the driven end face oil spout of (41) is tangent with the driven end face of the plunger (41) or common
Face.
4. a kind of bearing spider with lubricant passage way according to claim 1, it is characterised in that：The pedestal (3a) is led to
Bolt is crossed to be fixed in the cylinder head (1)；On the camshaft support ring shaped oil passage (31) and the camshaft assembly (2)
Divide oil duct (22) connection.
5. a kind of bearing spider with lubricant passage way according to claim 1, it is characterised in that：The camshaft support
Ring shaped oil passage (31) includes the first groove (3b-1) for being arranged on the annular groove (3b) and radially stretching out and setting
In the lead-over groove (3a-1) of the pedestal (3a) end face；Described lead-over groove (3a-1) one end is with first groove (3b-1) even
Logical, the other end is connected with the camshaft support afterbody oil duct (32).
6. it is a kind of cooling and lubricating oil circuit of directly jetting gasoline engine high-pressure oil pump cam, including cylinder head (1), camshaft assembly (2), convex
Axle support (3) and high-pressure fuel injection pump assembly (4)；The camshaft assembly (2) is by the camshaft support (3) and the cylinder
Lid (1) is affixed, and the high-pressure fuel injection pump assembly (4) is installed on the high-pressure oil pump mounting hole (13) in the cylinder head (1)；It is described
It is provided with cylinder head (1) in cylinder head main oil gallery (11), the camshaft assembly (2) and is provided with camshaft main oil gallery (21),
The cylinder head main oil gallery (11) connects with the camshaft main oil gallery (21)；Be additionally provided with the cylinder head (1) with it is described
Point oil duct (22) of camshaft main oil gallery (21) connection；It is provided with the camshaft support (3) with described point of oil duct (22) even
Logical ring shaped oil passage assembly and the nozzle (33) connected with the ring shaped oil passage assembly；The central axis of the nozzle (33) with
The central axis of the plunger (41) is mutually perpendicular to.
7. the cooling and lubricating oil circuit of a kind of directly jetting gasoline engine high-pressure oil pump cam according to claim 6, it is characterised in that：
The camshaft support (3) includes seat part (3a) and tailstock portion (3b)；The tailstock portion (3b) and the seat part (3a) phase
It is mutually vertical；Be provided with the seat part (3a) in camshaft support ring shaped oil passage (31), the tailstock portion (3b) be provided with it is convex
Axle support afterbody oil duct (32), the camshaft support ring shaped oil passage (31) and the camshaft support afterbody oil duct (32) are even
It is logical；The nozzle (33) connected with the camshaft support afterbody oil duct (32) is additionally provided with the tailstock portion (3b).
8. the cooling and lubricating oil circuit of a kind of directly jetting gasoline engine high-pressure oil pump cam according to claim 6, it is characterised in that：
The nozzle (33) is arranged with the central axis of the camshaft support afterbody oil duct (32) in 45° angle.
9. the cooling and lubricating oil circuit of a kind of directly jetting gasoline engine high-pressure oil pump cam according to claim 6, it is characterised in that：
The central axis of the high-pressure oil pump mounting hole (13) is arranged with the vertical section of the cylinder head in 45° angle.
10. a kind of cooling and lubricating oil circuit of directly jetting gasoline engine high-pressure oil pump cam according to claim 6, its feature exists
In：The cam of injection pump (23) is arranged at the camshaft assembly (2) end；The plunger (41) is by the cam of injection pump
(23) drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107462.7A CN106870233B (en) | 2017-02-27 | 2017-02-27 | A kind of cooling and lubricating oil circuit of bearing spider and directly jetting gasoline engine high-pressure oil pump cam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107462.7A CN106870233B (en) | 2017-02-27 | 2017-02-27 | A kind of cooling and lubricating oil circuit of bearing spider and directly jetting gasoline engine high-pressure oil pump cam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870233A true CN106870233A (en) | 2017-06-20 |
| CN106870233B CN106870233B (en) | 2019-04-30 |
Family
ID=59168886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710107462.7A Active CN106870233B (en) | 2017-02-27 | 2017-02-27 | A kind of cooling and lubricating oil circuit of bearing spider and directly jetting gasoline engine high-pressure oil pump cam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870233B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110126793A1 (en) * | 2009-12-02 | 2011-06-02 | Hyundai Motor Company | Fuel pump lubrication apparatus of gdi engine |
| CN103016335A (en) * | 2012-11-30 | 2013-04-03 | 重庆长安汽车股份有限公司 | High pressure oil pump lubricating oil passage of direct injection gasoline engine |
| CN204851352U (en) * | 2015-06-15 | 2015-12-09 | 华晨汽车集团控股有限公司 | Engine cam bearing arrangement |
| CN205064157U (en) * | 2015-09-30 | 2016-03-02 | 重庆长安汽车股份有限公司 | High -pressure oil pump tappet lubricating system |
| DE202015003039U1 (en) * | 2015-04-24 | 2016-07-27 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Internal combustion engine with a nozzle for lubricating the engagement between the fuel injection pump and the drive cam |
-
2017
- 2017-02-27 CN CN201710107462.7A patent/CN106870233B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110126793A1 (en) * | 2009-12-02 | 2011-06-02 | Hyundai Motor Company | Fuel pump lubrication apparatus of gdi engine |
| CN103016335A (en) * | 2012-11-30 | 2013-04-03 | 重庆长安汽车股份有限公司 | High pressure oil pump lubricating oil passage of direct injection gasoline engine |
| DE202015003039U1 (en) * | 2015-04-24 | 2016-07-27 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Internal combustion engine with a nozzle for lubricating the engagement between the fuel injection pump and the drive cam |
| CN204851352U (en) * | 2015-06-15 | 2015-12-09 | 华晨汽车集团控股有限公司 | Engine cam bearing arrangement |
| CN205064157U (en) * | 2015-09-30 | 2016-03-02 | 重庆长安汽车股份有限公司 | High -pressure oil pump tappet lubricating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106870233B (en) | 2019-04-30 |
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