CN105604646B - Internal combustion engine - Google Patents
Internal combustion engine Download PDFInfo
- Publication number
- CN105604646B CN105604646B CN201510751952.1A CN201510751952A CN105604646B CN 105604646 B CN105604646 B CN 105604646B CN 201510751952 A CN201510751952 A CN 201510751952A CN 105604646 B CN105604646 B CN 105604646B
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- China
- Prior art keywords
- mentioned
- oil separation
- separation chamber
- cylinder block
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
There is provided can either make the capacity of oil separation chamber become big and can enough sets to obtain less internal combustion engine jointly by subsidiary engine and cylinder block.The oil separation chamber (17) being protrudedly formed from the side wall (2B) of cylinder block (2) has the linear oil separation chamber (42) extended substantially in parallel with starting the projected direction of motor (52), and a part for starting motor (52) is projected into the space of the lower section of oil separation chamber (42) from flange portion (51).Thus, oil separation chamber (17) can be made big relative to the protrusion quantitative change of the side wall (2B) of cylinder block (2), and starting motor (52) can be placed in proximity to the side wall (2B) of cylinder block (2).
Description
Technical field
The present invention relates to internal combustion engine, more particularly, it relates in the side wall setting oil separation chamber of cylinder block and the internal combustion engine of subsidiary engine.
Background technology
In the internal combustion engine that the vehicles such as automobile are carried, with the operating of internal combustion engine, mixed gas and burning gases can be from
Crank chamber is escaped between piston and cylinder inner wall, produces so-called blow-by gas, therefore, by making blow-by gas be back to air inlet
System and be sent to combustion chamber again, make its burning again, to prevent from causing oily deterioration due to blow-by gas.
As the existing internal combustion engine for possessing oil separation chamber, it is known that set in the side wall of cylinder block and form the logical of oil separation chamber
Air chamber, the internal combustion engine for being connected breather chamber with crank chamber by access (for example, referring to patent document 1).
In addition, in the internal combustion engine described in patent document 1, in the side of breather chamber to approach the side of the side wall of cylinder block
Formula is provided with the starting device as subsidiary engine.
Prior art literature
Patent document
Patent document 1：Specially permit No. 3715214 publication
The content of the invention
Problems to be solved by the invention
However, in such existing internal combustion engine, due to approaching the side of the side wall of cylinder block in the side of breather chamber
Formula is provided with starting device, and therefore, breather chamber can be sheltered from by starting device, and the side wall of breather chamber from cylinder block can not be made outside
Side significantly protrudes.
It therefore, it is possible to which the capacity of breather chamber can not be made to become big, can not improve the separating property of oil.On the other hand, to make to lead to
The capacity of air chamber becomes big, it may be considered that is the larger ventilation of the inner side formation capacity of the side wall of cylinder block in the inside of cylinder block
Room.
However, when in cylinder block, when being internally formed the larger breather chamber of capacity, cylinder block can maximize, and possess cylinder block
It can be maximized on the whole with the engine of starting device.
The present invention is conceived to the problem of above-mentioned such and completed, its object is to, there is provided oil separation chamber can either be made
Capacity become that big and can is enough to set to obtain less internal combustion engine jointly by subsidiary engine and cylinder block.
The solution used to solve the problem
The present invention is internal combustion engine, is possessed：Cylinder block, it has multiple cylinders；Oil separation chamber, it is formed as from above-mentioned cylinder
The side wall of body is prominent and for separating the oil in blow-by gas；Flange portion, it is arranged on the above-mentioned cylinder of above-mentioned cylinder column direction
The end of body；And subsidiary engine, it is assemblied in above-mentioned flange portion and protruded from above-mentioned flange portion along above-mentioned side wall, wherein, it is above-mentioned
Oil separation chamber has straight line oil separation chamber, and the straight line oil separation chamber is parallel with the projected direction of above-mentioned subsidiary engine, and above-mentioned subsidiary engine is extremely
A few part is projected into the space of the lower section of above-mentioned straight line oil separation chamber from above-mentioned flange portion.
Invention effect
According to the present invention, the oil separation chamber being protrudedly formed from the side wall of cylinder block has straight line oil separation chamber, straight line oil
Separation chamber is parallel with the projected direction of subsidiary engine, and at least a portion of subsidiary engine is projected into the lower section of straight line oil separation chamber from flange portion
Space.
Thereby, it is possible to make oil separation chamber big relative to the protrusion quantitative change of the side wall of cylinder block, and subsidiary engine can be set
Must be close to the side wall of cylinder block.Therefore, the capacity of oil separation chamber can either be made to become greatly to improve the separating property of oil, and can is enough will
Subsidiary engine and cylinder block set smaller jointly, can realize the miniaturization of internal combustion engine.
Brief description of the drawings
Fig. 1 is the figure for the embodiment for showing the internal combustion engine of the present invention, is the summary for the internal combustion engine for possessing oil separation chamber
Pie graph.
Fig. 2 is the figure for the embodiment for showing the internal combustion engine of the present invention, is that the vertical of internal combustion engine for possessing oil separation chamber cuts
Face figure.
Fig. 3 is the figure for the embodiment for showing the internal combustion engine of the present invention, is to have removed valve mechanism cover and the state of chain cover
The internal combustion engine for possessing oil separation chamber stereogram.
Fig. 4 is the figure for the embodiment for showing the internal combustion engine of the present invention, is the side view of internal combustion engine.
Fig. 5 is the figure for the embodiment for showing the internal combustion engine of the present invention, is the internal combustion for the state for having removed inlet manifold
The side view of machine.
Fig. 6 be show the present invention internal combustion engine an embodiment figure, be Fig. 5 VI-VI directions to regarding sectional view.
Fig. 7 is the figure for the embodiment for showing the internal combustion engine of the present invention, is the state from obliquely downward viewing oil separation chamber
Internal combustion engine major part stereogram.
Description of reference numerals
1... engine (internal combustion engine), 2... cylinder block, 2a... one ends (end of the cylinder block of cylinder column direction),
2b... the other end (end for being located at the cylinder block of opposite side across side wall), 6... crank axles, 7... admission cam shafts are (convex
Wheel shaft), 8... exhaust cam shafts (camshaft), 11... timing chains, 17... oil separation chambers, (the 2nd connection of 20... access
Road), 21... chain covers, 22... chain receiving rooms, 23... access (the 1st access), 24... crank chambers, 27... cylinders,
40... case portion (oil separation chamber), 41... covers component (oil separation chamber), 42... oil separation chambers (straight line oil separation chamber), 42c...
One end (end of the bearing of trend of straight line oil separation chamber) 43... oil separation chambers (vertical oil separation chamber), 51... flange portions,
52... motor (subsidiary engine), 53... ribs, 54... recesses are started
Embodiment
Hereinafter, the embodiment of internal combustion engine involved in the present invention is illustrated using accompanying drawing.
Fig. 1~Fig. 7 is the figure for the internal combustion engine for showing an embodiment involved in the present invention.
First, illustrate to form.In addition, in Fig. 1~Fig. 7, left-right and front-back direction is represented from the vehicle of driver's seat viewing
Left-right and front-back direction.
In Fig. 1~Fig. 5, the engine 1 of the internal combustion engine carried as vehicles such as automobiles possesses：Cylinder block 2；Cylinder head
3, it is arranged on the top of cylinder block 2；Valve mechanism cover 4, it is arranged on the top of cylinder head 3；And oil sump 5, it is arranged on
The bottom of cylinder block 2.
In Fig. 1, it is accommodated with to move up and down in cylinder block 2 and is accommodated in piston 28 in cylinder 27 freely, by piston
28 up and down motion is converted to crank axle 6 of rotary motion etc., cylinder block 2 portion integral be provided with crank box 2A, it is bent
Handle case 2A support crank axles 6 rotate freely it.In addition, formed with crank chamber 24 between crank box 2A and oil sump 5.
This, the cylinder 27 of present embodiment forms the cylinder of the present invention.
In Fig. 1, Fig. 3, cylinder head 3 possesses：Admission cam shaft 7, its along cylinder 27 orientation extension, possess into
Gas cam 7a；And exhaust cam shaft 8, it extends with the configured in parallel of admission cam shaft 7 and along the orientation of cylinder 27, tool
Standby exhaust cam 8a.Here, the admission cam shaft 7 and exhaust cam shaft 8 of present embodiment form the camshaft of the present invention.
In the engine 1 of present embodiment, the cylinder head 3 and cylinder head of admission cam shaft 7 and exhaust cam shaft 8 are stored
Space between cover 4 forms cavaera 13.In addition, admission cam shaft 7 and exhaust cam shaft 8 are rotated freely by multiple cam nut 3A
Ground is supported in cylinder head 3 (reference picture 3).
In Fig. 1, on the head 3 formed with air inlet 29 and exhaust outlet 30, air inlet 29 and exhaust outlet 30 by with
Admission cam 7a and exhaust cam 8a rotation and powered intake valve 31 and air bleeding valve 32 are opened and closed.
The branch pipe 34 of inlet manifold 33 is equipped with the head 3, and inlet manifold 33 is connected with air cleaner 35.Air
Cleaner 35 purifies the suction air Ai being taken into from outside.
Suction air Ai after being purified by air cleaner 35 is from the branch pipe 34 of inlet manifold 33 via each quilt of air inlet 29
Distribute and suck each cylinder 27.
The upstream side of inlet manifold 33 is provided with choke valve 34A, the air of choke valve 34A adjustment suction cylinders 27
Amount.
In figure 3, there is admission cam sprocket wheel 9 in the end set of admission cam shaft 7, wound on admission cam sprocket wheel 9
There is timing chain 11.There is exhaust cam sprocket wheel 10 in the end set of exhaust cam shaft 8, be wound with the exhaust cam sprocket wheel 10
Timing chain 11.
There is crank and chain-wheel 12 in the end set of crank axle 6, timing chain 11 is wound with crank and chain-wheel 12.Thus, it is bent
The rotation of arbor 6 passes to admission cam sprocket wheel 9 and exhaust cam sprocket wheel 10 from crank and chain-wheel 12 via timing chain 11, so that
Admission cam shaft 7 and exhaust cam shaft 8 rotate.
When admission cam 7a and exhaust cam 8a rotates, intake valve 31 and air bleeding valve 32 are opened and closed air inlet 29 and row respectively
Gas port 30 (reference picture 1), thus, it will be formed in combustion chamber 14 (reference picture 1) and air inlet 29 and the exhaust on the top of cylinder 27
The connection of mouth 30 and disconnection.So, using timing chain 11 intake valve 31 and air bleeding valve 32 are moved according to the rotation of crank axle 6
Make.
In fig. 2, in the end of cylinder block 2 and cylinder head 3, (front face side of engine 1) is provided with chain cover 21.Chain cover 21
Timing chain 11 is covered, and formed with chain receiving room 22 between cylinder block 2 and chain cover 21, chain receiving room 22 connects with crank chamber 24
It is logical.
In Fig. 1~Fig. 7, cylinder block 2 side wall 2B formed with oil separation chamber 17, oil separation chamber 17 is by with from cylinder block
The mode that 2 side wall 2B is protruded outward is formed at side wall 2B case portion 40 and is assemblied in the cover component 41 of the openend of case portion 40
Be formed as crank shape.
It is the one end of the cylinder block 2 of cylinder column direction in the orientation of cylinder 27 in Fig. 3, Fig. 4, Fig. 5, Fig. 7
2a, i.e., the fore-and-aft direction rearward end of the engine 1 of cylinder block 2 is provided with flange portion 51.Starting is equipped with flange portion 51
Motor 52 (reference picture 4, Fig. 5, Fig. 6), motor 52 is started from flange portion 51 along side wall 2B to the extension side with crank axle 6
It is prominent to (fore-and-aft direction of engine 1) identical direction.Here, the bearing of trend of crank axle 6 refers in the rotation of crank axle 6
The bearing of trend of mandrel.
In addition, the chain cover 21 of present embodiment is arranged on across side wall 2B positioned at the cylinder block 2 for being provided with flange portion 51
The other end 2b (reference pictures 2~figure of the cylinder block 2 of one end 2a opposite side (the fore-and-aft direction leading section of engine 1)
5th, Fig. 7).
Here, the side wall 2B of present embodiment one end 2a forms the end of the cylinder block of the cylinder column direction of the present invention
Portion, start the subsidiary engine that motor 52 forms the present invention.In addition, the other end 2b of cylinder block 2 forms the side wall across the present invention
Positioned at the end of the cylinder block of opposite side.
In fig. 2, oil separation chamber 17 has：Linear oil separation chamber 42, its projected direction with starting motor 52
It is parallel；Oil separation chamber 43, it forms the one end 42c in the bearing of trend of oil separation chamber 42, with starting the prominent of motor 52
Outgoing direction extends downward on vertical direction；And oil separation chamber 44, its formed oil separation chamber 42 bearing of trend it is another
One end 42d, extend upward on the vertical direction of the projected direction with starting motor 52.
Also, these oil separation chambers 42,43,44 are included and wrapped by case portion 40, cover component 41 and case portion 40 and cover component 41
The space enclosed.
Here, the oil separation chamber 42 of present embodiment forms the straight line oil separation chamber of the present invention, oil separation chamber 43 forms this
The vertical oil separation chamber of invention.In addition, the one end 42c of the bearing of trend of oil separation chamber 42 forms the straight line oil separation of the present invention
The end of the bearing of trend of room.
Partition wall 43A is provided with oil separation chamber 43.Partition wall 43A protrudes from side wall 2B towards cover component 41, prominent
Formed with gap 45 (reference picture 6) between the front end of outgoing direction and cover component 41.
In fig. 2, partition wall 42A, 42B are provided with oil separation chamber 42.Partition wall 42A, 42B cover from side wall 2B directions
Component 41 protrudes, formed with gap between the front end of partition wall 42A, 42B projected direction and cover component 41.
Formed with introducing port 43a in oil separation chamber 43, introducing port 43a through be formed from the access 23 of cylinder block 2 with
Chain receiving room 22 connects.Thus, the blow-by gas that chain receiving room 22 is flowed to from crank chamber 24 passes through introducing port 43a from access 23
It is imported into oil separation chamber 43.
Here, as indicated by arrow b of figure, blow-by gas B is the operating with engine 1 from piston 28 and cylinder 27
The mixed gas and burning gases of crank chamber 24 are escaped between inwall.
In fig. 2, in the bottom of oil separation chamber 43 formed with introducing port 43b, introducing port 43b is through being formed from cylinder block 2
Access 20 connected with crank chamber 24.Thus, the blow-by gas B flowed in crank chamber 24 passes through introducing port from access 20
43b is directly imported into oil separation chamber 43.In addition, introducing port 43a, 43b form the flowing in blow-by gas compared with partition wall 43A
The upstream side in direction.
Here, the access 23 of present embodiment forms the 1st access of the present invention, access 20 forms the 2nd access.
In figure 6, formed with leadout hole 41A in cover component 41.In Fig. 1, Fig. 5~Fig. 7, assembled on cover component 41
There is blow-by gas delivery line 36, oil separation chamber 44 is connected from leadout hole 41A by blow-by gas delivery line 36 with inlet manifold 33.
It is imported into the blow-by gas after oil separation chamber 44 and passes through air inlet from blow-by gas delivery line 36 due to the air-intake negative-pressure of engine 1
Manifold 33 is sucked into branch pipe 34.
Here, in the oil separation chamber 17 of present embodiment, by access 20,23 from crank chamber 24 and chain receiving room 22
It is imported into the blow-by gas after oil separation chamber 43 to collide with partition wall 43A, so as to which oil is separated from blow-by gas, passes through gap 45
It is imported into oil separation chamber 42.
The blow-by gas after oil separation chamber 42 and partition wall 42A, 42B collision are imported into after oil is separated, and are imported into oil
Separation chamber 44, it is imported into the blow-by gas after oil separation chamber 44 and is aspirated by blow-by gas delivery line 36.
Be drawn into the blow-by gas after inlet manifold 33 be imported into the combustion chamber 14 of engine 1 and together with mixed gas
Burnt in combustion chamber 14.
Pcv valve 37 (reference picture 1) is provided between oil separation chamber 44 and blow-by gas delivery line 36, Pcv valve 37 adjusts
The blow-by gas flow of blow-by gas delivery line 36 is flowed to from oil separation chamber 44.
In Fig. 1, valve mechanism cover 4 is with leaning on the air cleaner 35 of upstream side than choke valve 34A by live gas ingress pipe
The part for sucking air Ai is that live gas An imports cavaera 13 by 38 connections, live gas ingress pipe 38.
Path 39 is imported formed with live gas in cylinder block 2 and cylinder head 3, live gas imports path 39 and connects gas
Door room 13 and crank chamber 24.Due to air-intake negative-pressure from live gas ingress pipe 38 be imported into cavaera 13 after live gas An
Oil separation chamber 43 is imported into from chain receiving room 22 by access 23 and introducing port 43a.
In addition, from live gas ingress pipe 38 be imported into cavaera 13 after live gas An from live gas import path
39 are imported into oil separation chamber 43 by crank chamber 24, access 20 and introducing port 43b.It is imported into the blow-by gas of oil separation chamber 42
After being inhaled into oil separation chamber 44 by oil separation chamber 42, cylinder is imported into from blow-by gas delivery line 36 via inlet manifold 33
27.Thus, the inner utilization live gas An comprising the engine 1 including cavaera 13, chain receiving room 22 and crank chamber 24 enters
Row ventilation.
In Fig. 3~Fig. 7, formed with rib 53, rib 53 on the side wall 2B positioned at the cylinder block 2 of the lower section of oil separation chamber 17
Extend from side wall 2B along the axis direction that cylinder column direction is crank axle 6.Here, the rib 53 of present embodiment, which is used as, makes cylinder
The stiffener of the intensity increase of body 2 plays function.
In Fig. 3, Fig. 7, in the case of using the side wall 2B of cylinder block 2 as bottom surface, in cylinder block 2, constitute by method
The recess 54 that blue portion 51, rib 53, oil separation chamber 42,43 and side wall 2B are surrounded.
In Fig. 4~Fig. 6, the space that motor 52 is projected into the lower section of oil separation chamber 42 from flange portion 51 is started, especially
It is that the starting motor 52 of present embodiment is projected into recess 54 (reference picture 4, Fig. 5) from flange portion 51.
In addition, the starting motor 52 of present embodiment is the starting motor 52 in addition to the base portion of the side of flange portion 51
Position be projected into recess 54 from flange portion 51, but not limited to this or whole to start motor 52 prominent from flange portion 51
Go out to recess 54.
In the engine 1 of present embodiment, as long as starting at least a portion of motor 52 under oil separation chamber 42
In the space of side recess 54 is projected into from flange portion 51.
In figure 3, atomizer 55 is provided with a manner of positioned at chain receiving room 22 in cylinder block 2, atomizer 55 is to just
When chain 11 spray oil for lubrication.
In Fig. 3~Fig. 5, be provided with detonation sensor 56 on the side wall 2B of cylinder block 2, detonation sensor 56 detect by
The vibration of cylinder block 2 is resulted from the pinking of engine 1.
Oil separation chamber 42 is arranged below compared with detonation sensor 56, and oil separation chamber 44 is before and after engine 1
Extended upward from the other end 42d of oil separation chamber 42 in a manner of overlapping with detonation sensor 56 on direction.That is, this implementation
The oil separation chamber 17 of mode is formed at the side wall 2B of cylinder block 2 in a manner of avoiding detonation sensor 56.
Therefore, as shown in Figure 5, it can be ensured that for being set than fore-and-aft direction rear of the detonation sensor 56 by engine 1
The space of the end of blow-by gas delivery line 36 is put, blow-by gas delivery line 36 is connected to the cover component 41 of oil separation chamber 44.
Then, illustration.
In chain receiving room 22, the lubrication of timing chain 11 is carried out by spraying oil from atomizer 55 to timing chain 11.Cause
This, is taken a breath if chain receiving room 22 is insufficient, NOx (the nitrogen oxygen being imported into included in the blow-by gas of chain receiving room 22
Compound) can be reacted with moisture and generate nitric acid, oil can the aggegation due to the nitric acid, produce greasy filth.
The greasy filth is tarry matters, if greasy filth is mixed into the oil of lubrication engine 1, can cause the deterioration of oil, cause
The insufficient lubrication for acting the sliding components such as bad, crank axle 6, admission cam shaft 7 and exhaust cam shaft 8 of oil hydraulic system so that
The resistance to sliding increase of engine 1, the fuel efficiency of engine 1 deteriorate.
As shown in Fig. 2 in the engine 1 of present embodiment, cylinder block 2 has connection oil separation chamber 43 and chain receiving room
22 access 23, access 23 are connected by introducing port 43a with oil separation chamber 43.
Thereby, it is possible to blow-by gas is flowed directly to oil separation chamber 43 from chain receiving room 22.Therefore, it is possible to pass through access
23 pairs of chain receiving rooms 22 are directly taken a breath, and can prevent from producing greasy filth in chain receiving room 22.
The blow-by gas of oil separation chamber 43 is imported into by access 23 from chain receiving room 22 and partition wall 43A is collided and oil
After being separated, oil separation chamber 42 is imported into.In addition, blow-by gas is imported into oil separation chamber from crank chamber 24 by access 20
43。
From chain receiving room 22 and crank chamber 24 be imported into oil separation chamber 42 after blow-by gas and partition wall 42A, 42B collide
And after oil is separated, it is imported into oil separation chamber 44.Oil separation chamber 44 extends upward from oil separation chamber 42, therefore, even in quilt
Import in the blow-by gas after oil separation chamber 44 in the case of still containing oil, oil is also due to conducting oneself with dignity and separating.
The blow-by gas after oil is separated in oil separation chamber 17 and passes through blow-by gas delivery line 36, air inlet from leadout hole 41A
The branch pipe 34 of manifold 33 is imported into combustion chamber 14.
According to the engine 1 of present embodiment, the oil separation chamber 17 being protrudedly formed from the side wall 2B of cylinder block 2 have with
The linear oil separation chamber 42 that the projected direction of motor 52 extends substantially in parallel is started, starts a part for motor 52
The space of the lower section of oil separation chamber 42 is projected into from flange portion 51.
Thereby, it is possible to make oil separation chamber 17 big relative to the side wall 2B of cylinder block 2 protrusion quantitative change, and will can start
Motor 52 is placed in proximity to the side wall 2B of cylinder block 2.Therefore, the capacity of oil separation chamber 17 can either be made to become greatly to improve oil
Separating property, and can will enough start motor 52 and cylinder block 2 sets smaller jointly, can realize the miniaturization of engine 1.
In addition, according to the engine of present embodiment, on the side wall 2B positioned at the cylinder block 2 of the lower section of oil separation chamber 17
It is provided with from the rib 53 that side wall 2B is prominent and extends along cylinder column direction.
In addition, oil separation chamber 17 is with the one end 42c for being formed at oil separation chamber 42 and with starting motor 52
Projected direction generally perpendicular direction on the oil separation chamber 43 that extends, in the case of using side wall 2B as bottom surface, form by method
The recess 54 that blue portion 51, rib 53, oil separation chamber 42,43 and side wall 2B are surrounded, the part of motor 52 is started from flange portion 51
It is projected into recess 54.
Thus, by making a part for starting motor 52 be projected into by making oil separation chamber 42 and oil separation chamber 43 from gas
The recess 54 that the side wall 2B of cylinder body 2 is prominent and is formed, starting motor 52 can be arranged adjacent to the side wall 2B of cylinder block 2.
Set jointly smaller therefore, it is possible to will more effectively start motor 52 and cylinder block 2, can more effectively realize engine
1 miniaturization.
In addition, in the case of the projected direction using the depth of recess 54 as oil separation chamber 17, by becoming recess 54
It is deep, oil separation chamber 17 can be made big relative to side wall 2B protrusion quantitative change, therefore, it is possible to more effectively make the appearance of oil separation chamber 17
Quantitative change is big.Therefore, it is possible to more effectively improve the separating property of oil.
In addition, according to present embodiment, cylinder block 2 possesses：Crank chamber 24, it stores crank axle 6；And chain cover 21, its
It is arranged in being provided with the other end 2b of the cylinder block 2 of the one end 2a of the cylinder block 2 of flange portion 51 opposite side, uses
The driving force of crank axle 6 is passed to the timing chain 11 of camshaft in covering.
In addition, formed with chain receiving room 22 between chain cover 21 and cylinder block 2, cylinder block 2 has：Access 23,
It connects oil separation chamber 43 and chain receiving room 22；And access 20, it connects oil separation chamber 43 and crank chamber 24.
Thus, even making starting motor 52 also to make the capacity of oil separation chamber 17 close to the side wall 2B of cylinder block 2
Become big, therefore, can not only from crank chamber 24 also from the case that blow-by gas is imported oil separation chamber 43 by chain receiving room 22
The oil being easily separated in blow-by gas.Combustion is sent to due to air-intake negative-pressure therefore, it is possible to suppress the blow-by gas containing oil
Burn room 14.Therefore, it is possible to prevent the burning for producing white cigarette etc. from deteriorating.
Embodiments of the present invention are disclosed above, however, it will be apparent that those skilled in the art can not depart from the present invention
Scope and changed.Appended claim is intended to include all this amendments and equivalent.
Claims (3)
1. a kind of internal combustion engine,
Possess：Cylinder block, it has multiple cylinders；Oil separation chamber, it is formed as the side wall protrusion from above-mentioned cylinder block and is used for
Separate the oil in blow-by gas；Flange portion, it is arranged on the end of the above-mentioned cylinder block of above-mentioned cylinder column direction；And subsidiary engine,
It is assemblied in above-mentioned flange portion and protruded from above-mentioned flange portion along above-mentioned side wall,
Above-mentioned internal combustion engine is characterised by that above-mentioned oil separation chamber has straight line oil separation chamber, the straight line oil separation chamber with it is above-mentioned auxiliary
The projected direction of machine is parallel,
Above-mentioned oil separation chamber has vertical oil separation chamber, and above-mentioned vertical oil separation chamber is formed at the extension of above-mentioned straight line oil separation chamber
The end in direction, upwardly extended in the side vertical with the projected direction of above-mentioned subsidiary engine,
At least a portion of above-mentioned subsidiary engine is projected into the space of the lower section of above-mentioned straight line oil separation chamber from above-mentioned flange portion.
2. internal combustion engine according to claim 1, it is characterised in that
It is provided with the above-mentioned side wall of the above-mentioned cylinder block of the either above or below positioned at above-mentioned oil separation chamber from above-mentioned side wall
Rib that is prominent and extending along cylinder column direction,
In the case of using above-mentioned side wall as bottom surface, formed by above-mentioned flange portion, above-mentioned rib, above-mentioned straight line oil separation chamber, above-mentioned
The recess that vertical oil separation chamber and above-mentioned side wall are surrounded, at least a portion of above-mentioned subsidiary engine are projected into above-mentioned recessed from above-mentioned flange portion
Portion.
3. internal combustion engine according to claim 1 or 2, it is characterised in that
Above-mentioned cylinder block possesses：Crank chamber, it stores crank axle；And chain cover, it is arranged on across above-mentioned side wall positioned at setting
There is the end of the above-mentioned cylinder block of the opposite side of the above-mentioned end of the above-mentioned cylinder block of above-mentioned flange portion, will be above-mentioned for covering
The driving force of crank axle passes to the timing chain of camshaft,
Formed with chain receiving room between above-mentioned chain cover and above-mentioned cylinder block,
Above-mentioned cylinder block has：1st access, it connects above-mentioned oil separation chamber and above-mentioned chain receiving room；And the 2nd access,
It connects above-mentioned oil separation chamber and above-mentioned crank chamber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-233256 | 2014-11-18 | ||
| JP2014233256A JP6380035B2 (en) | 2014-11-18 | 2014-11-18 | Internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105604646A CN105604646A (en) | 2016-05-25 |
| CN105604646B true CN105604646B (en) | 2018-03-09 |
Family
ID=55855669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510751952.1A Expired - Fee Related CN105604646B (en) | 2014-11-18 | 2015-11-06 | Internal combustion engine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6380035B2 (en) |
| CN (1) | CN105604646B (en) |
| DE (1) | DE102015222165B4 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6396366B2 (en) * | 2016-06-17 | 2018-09-26 | 本田技研工業株式会社 | Support structure for internal combustion engine body |
| JP7342723B2 (en) | 2020-01-31 | 2023-09-12 | スズキ株式会社 | Internal combustion engine auxiliary equipment mounting structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5199395A (en) * | 1990-10-18 | 1993-04-06 | Honda Giken Kogyo Kabushiki Kaisha | Four-cycle engine |
| JP3715214B2 (en) * | 2001-05-15 | 2005-11-09 | 本田技研工業株式会社 | Engine breather structure |
| CN101391629A (en) * | 2007-09-18 | 2009-03-25 | 雅马哈发动机株式会社 | Motorcycle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3859041B2 (en) | 1998-05-30 | 2006-12-20 | スズキ株式会社 | Blow-by gas passage structure of internal combustion engine |
| JP4505984B2 (en) * | 2000-12-04 | 2010-07-21 | マツダ株式会社 | Lubrication structure for valve gear of internal combustion engine |
| JP4698623B2 (en) * | 2007-02-09 | 2011-06-08 | 本田技研工業株式会社 | Breather device for internal combustion engine |
| JP2012225281A (en) * | 2011-04-20 | 2012-11-15 | Yanmar Co Ltd | Engine |
| JP2013160125A (en) * | 2012-02-03 | 2013-08-19 | Toyota Motor Corp | Blow-by gas treatment device |
-
2014
- 2014-11-18 JP JP2014233256A patent/JP6380035B2/en active Active
-
2015
- 2015-11-06 CN CN201510751952.1A patent/CN105604646B/en not_active Expired - Fee Related
- 2015-11-11 DE DE102015222165.2A patent/DE102015222165B4/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5199395A (en) * | 1990-10-18 | 1993-04-06 | Honda Giken Kogyo Kabushiki Kaisha | Four-cycle engine |
| JP3715214B2 (en) * | 2001-05-15 | 2005-11-09 | 本田技研工業株式会社 | Engine breather structure |
| CN101391629A (en) * | 2007-09-18 | 2009-03-25 | 雅马哈发动机株式会社 | Motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105604646A (en) | 2016-05-25 |
| JP6380035B2 (en) | 2018-08-29 |
| JP2016098645A (en) | 2016-05-30 |
| DE102015222165B4 (en) | 2021-08-19 |
| DE102015222165A1 (en) | 2016-05-19 |
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