CN108952989A - The cylinder head of internal combustion engine - Google Patents
The cylinder head of internal combustion engine Download PDFInfo
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- CN108952989A CN108952989A CN201810510689.0A CN201810510689A CN108952989A CN 108952989 A CN108952989 A CN 108952989A CN 201810510689 A CN201810510689 A CN 201810510689A CN 108952989 A CN108952989 A CN 108952989A
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- cylinder
- exhaust channel
- cylinder head
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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
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/243—Cylinder heads and inlet or exhaust manifolds integrally cast together
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- 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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4264—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels
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- 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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
-
- 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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4264—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels
- F02F2001/4278—Exhaust collectors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Exhaust Silencers (AREA)
Abstract
A kind of miniaturization can be realized cylinder head, lightweight are provided and reduce the cylinder head for being formed in the internal combustion engine of the aeration resistance of the exhaust channel of inside of cylinder head.According to cylinder head (3), 1st exhaust channel (9A), (10A), (11A) and the 2nd exhaust channel (9B), (10B), (11B) is formed as gathering access (12) the 1st, (13), (14) in the 1st cylinder (2A) in upstream portion, the section of overlapping and each exhaust channel becomes 1 lengthwise section from 2 circular cross-sections on the axis direction (O) of central cylinder (2B) and the 3rd cylinder (2C), the 1st set access (12) being connected to the 2nd set access 15, (13), (14) downstream portion is formed as lengthwise section.
Description
Technical field
The present invention relates to the cylinder head for the internal combustion engine for being equipped on vehicle.
Background technique
The cylinder head knot of the known multiple cylinder engine for collecting the exhaust outlet to extend out from combustion chamber in cylinder head
Structure (referring to patent document 1).The air cylinder head structure make a pair of of the exhaust outlet to extend out from combustion chamber orthogonal with cylinder axis
Plane on collect to collect the exhaust outlet being connected to all cylinders in collection portion after 1 exhaust outlet.
Existing technical literature
Patent document
Patent document 1: special open 2001-115893 bulletin
Summary of the invention
Problems to be solved by the invention
In the air cylinder head structure of this internal combustion engine, make with a pair of of bifurcations of combustion chamber side by side in one plane
And collect for 1 exhaust outlet, collect exhaust outlet corresponding with each cylinder in one plane and in collection portion side by side.Therefore,
The variation in the section of the exhaust outlet of the collection portion from combustion chamber to most downstream is big, flow through the aeration resistance of the exhaust gas of exhaust outlet with
The variation in section and become larger.
Moreover, being greater than from cylinder axially viewing exhaust outlet by the width of the exhaust outlet of each cylinder setting
Therefore the height of exhaust outlet (hereinafter referred to as collects the exhaust outlet collection portion that the adjacent exhaust outlet in the upstream side in collection portion collects
Heal up) width become larger.
To which the exhaust gas to heal up from the exhaust outlet of each cylinder flow direction collection early collaborates, and the exhaust gas of each cylinder is easy to happen
Interference, it is possible to aeration resistance be made to be further enlarged and exhaust gas cannot be smoothly discharged out.
To solve the above problems, need to match the collection portion as the outlet for the exhaust outlet being open in the side of cylinder head
It is placed at the position that the orthogonal side of the orientation with cylinder is upwardly away from and makes the collection location of each exhaust outlet downstream sidesway
It is dynamic.To which cylinder head can enlargement and weight increase.
The present invention be conceived to situation as described above and complete, and it is an object of the present invention to provide a kind of can be realized cylinder head
Miniaturization, lightweight and reduction are formed in the cylinder head of the internal combustion engine of the aeration resistance of the exhaust channel of the inside of cylinder head.
The solution to the problem
The present invention is a kind of cylinder head, and the cylinder of the internal combustion engine with the multiple cylinders for being arranged side by side into a column is arranged in
The top of body is formed with the exhaust channel from above-mentioned multiple cylinder discharge exhaust gas, the feature of above-mentioned cylinder head in above-mentioned cylinder head
Be, above-mentioned exhaust channel includes: the 1st exhaust channel and the 2nd exhaust channel are connected to each above-mentioned cylinder；1st set is logical
The downstream side of above-mentioned 1st exhaust channel and above-mentioned 2nd exhaust channel is arranged in road, makes above-mentioned 1st exhaust channel and above-mentioned
2 exhaust channels are collected by each above-mentioned cylinder；2nd set access is arranged in the downstream side of above-mentioned 1st set access, makes
The 1st set access is stated to collect；And waste gas outlet, above-mentioned 2nd set access is connected, by exhaust gas from above-mentioned cylinder head to outside
Discharge, above-mentioned 1st exhaust channel and above-mentioned 2nd exhaust channel are formed as in the upstream portion of above-mentioned 1st set access above-mentioned
The overlapping and section of each exhaust channel becomes 1 lengthwise section from 2 circular cross-sections on the axis direction of cylinder, and it is above-mentioned
The downstream portion of the above-mentioned 1st set access of 2nd set access connection is formed as lengthwise section.
Invention effect
In this way, can be realized miniaturization, the lightweight of cylinder head, and reduce and be formed in gas according to the above-mentioned present invention
The aeration resistance of the exhaust channel of the inside of cylinder cap.
Detailed description of the invention
Fig. 1 is the left view of the cylinder head of the internal combustion engine of one embodiment of the invention.
Fig. 2 is the exhaust channel and shape for showing the inside of cylinder head for the internal combustion engine for being formed in one embodiment of the invention
At the cross-sectional view of the cylinder head of the cylinder and piston in the inside of cylinder.
Fig. 3 be Fig. 2 the direction III-III to view sectional view.
Fig. 4 is the perspective view of the exhaust channel of the cylinder head of the internal combustion engine of one embodiment of the invention.
Fig. 5 is the 2nd set access and its amplification section on periphery of the cylinder head of the internal combustion engine of one embodiment of the invention
Figure.
Fig. 6 be Fig. 5 the direction VI-VI to view sectional view.
Fig. 7 is the top view of the exhaust channel of the 1st cylinder of the cylinder head of the internal combustion engine of one embodiment of the invention.
Fig. 8 be Fig. 7 the direction VIII-VIII to view sectional view.
Fig. 9 be Fig. 7 the direction IX-IX to view sectional view.
Figure 10 be Fig. 7 the direction X-X to view sectional view.
Figure 11 be Fig. 7 the direction XI-XI to view sectional view.
Description of symbols
1... engine, the 1st cylinder (cylinder) of 2A..., the 2nd cylinder of 2B... (cylinder, central cylinder), the 3rd gas of 2C...
Cylinder, 3... cylinder head, 8... exhaust channel, the 1st exhaust channel of 9A, 10A, 11A..., the 2nd exhaust channel of 9B, 10B, 11B...,
12,13, the set access of 14... the 1st, 15... the 2nd gather access, 15A... waste gas outlet.
Specific embodiment
The cylinder head of the internal combustion engine of one embodiment of the present invention is arranged in the multiple cylinders for being arranged side by side into a column
Internal combustion engine cylinder block top, be formed with the exhaust channel from multiple cylinders discharge exhaust gas in cylinder head, wherein exhaust is logical
Road includes: the 1st exhaust channel and the 2nd exhaust channel are connected to each cylinder；1st set access, setting is in the 1st exhaust
The downstream side of access and the 2nd exhaust channel collects the 1st exhaust channel and the 2nd exhaust channel by each cylinder；2nd set is logical
The downstream side of the 1st set access is arranged in road, collects the 1st set access；And waste gas outlet, the 2nd set of connection are logical
Exhaust gas is discharged from cylinder head to outside on road, and the 1st exhaust channel and the 2nd exhaust channel are formed as in the upstream of the 1st set access
The section of overlapping and each exhaust channel becomes 1 lengthwise section from 2 circular cross-sections on the axis direction of cylinder in portion,
The downstream portion for the 1st set access being connected to the 2nd set access is formed as lengthwise section.
Thus, it is possible to realize the miniaturization of cylinder head, lightweight, and reduce be formed in the inside of cylinder head exhaust it is logical
The aeration resistance on road.
[embodiment]
In the following, illustrating the cylinder head of the internal combustion engine of the embodiment of the present invention using attached drawing.
Fig. 1 to Figure 11 is the figure for showing the cylinder head of internal combustion engine of one embodiment of the invention.In Fig. 1 into Figure 11, close
In all around direction up and down, before being with aftermentioned 1st cylinder side on the direction along the bank of cylinder of engine, the 3rd cylinder
In the case that side is rear, the width direction orthogonal with the bank of cylinder of engine is left and right directions, and the short transverse of engine is upper
Lower direction.
Firstly, illustrating to constitute.
In Fig. 1, engine 1 has cylinder block 2 and the cylinder head 3 on the top of cylinder block 2 is arranged in.
In Fig. 2, multiple 1st cylinder 2A, the 2nd cylinder 2B and the 3rd cylinder 2C, the 1st cylinder are provided in cylinder block 2
2A, the 2nd cylinder 2B and the 3rd cylinder 2C are arranged side by side into a column.The engine 1 of the present embodiment is 3 cylinder engines.
The 1st cylinder 2A, the 2nd cylinder 2B and the 3rd cylinder 2C of the present embodiment constitute cylinder of the invention.The present embodiment
The number of cylinders of engine 1 is not limited to 3 cylinders.
It is accommodated with piston 4 respectively in the 1st cylinder 2A, the 2nd cylinder 2B and the 3rd cylinder 2C, piston 4 is relative to the 1st gas
Cylinder 2A, the 2nd cylinder 2B and the 3rd cylinder 2C are moved back and forth in the up-down direction.
Piston 4 links through not shown connecting rod and crank axle (not shown), and the reciprocating motion of piston 4 is converted via connecting rod
For the rotary motion of crank axle.In the top of piston 4, the 1st cylinder 2A, the 2nd cylinder 2B and the respective inner wall of the 3rd cylinder 2C and
Combuster 5 is formed between the bottom of cylinder head 3.
In Fig. 3, multiple intake channels 6 are formed in cylinder head 3.Intake channel 6 has air inlet 7, by each 1st gas
Cylinder 2A, the 2nd cylinder 2B and the 3rd cylinder 2C are each provided with a pair of of air inlet 7, a pair of of air inlet 7 respectively with the 1st cylinder 2A, the 2nd
Cylinder 2B and the 3rd cylinder 2C connection.
Intake channel 6 is connected to through not shown inlet manifold with the intake channel of air inlet pipe (not shown).Air inlet pipe will
It sucks air and imports inlet manifold, the sucking air after importing inlet manifold imports each cylinder 2A to 2C by air inlet 7.Fuel
Each cylinder 2A to 2C is imported together with sucking air, the gaseous mixture for being mixed with sucking air and fuel burns in combustion chamber 5.
Exhaust channel 8 is formed in cylinder head 3.In Fig. 3, Fig. 4, exhaust channel 8 have the 1st exhaust channel 9A, 10A,
11A and the 2nd exhaust channel 9B, 10B, 11B.A pair the 1st exhaust channel 9A and the 2nd exhaust channel 9B is connected to the 1st cylinder 2A, and one
1st exhaust channel 10A and the 2nd exhaust channel 10B are connected to the 2nd cylinder 2B, the exhaust of the 1st exhaust channel 11A of a pair and the 2nd is logical
Road 11B is connected to the 3rd cylinder 2C.
There is exhaust channel 8 the 1st set access the 12,13,14 and the 2nd to gather access 15.
The downstream side of the 1st exhaust channel 9A and the 2nd exhaust channel 9B is arranged in 1st set access 12, makes the 1st exhaust channel
9A and the 2nd exhaust channel 9B collect.In addition, upstream, downstream indicate upstream, the downstream of the flow direction of exhaust gas.
The downstream side of the 1st exhaust channel 10A and the 2nd exhaust channel 10B is arranged in 1st set access 13, keeps the 1st exhaust logical
Road 10A and the 2nd exhaust channel 10B collect.1st set access 14 is arranged in the 1st exhaust channel 11A's and the 2nd exhaust channel 11B
Downstream side collects the 1st exhaust channel 11A and the 2nd exhaust channel 11B.
In this way, the 1st set access 12 to 14 makes the 1st exhaust channel 9A, 10A, 11A and the 2nd exhaust channel 9B, 10B, 11B
Collect by each 1st cylinder 2A to the 3rd cylinder 2C.
In Fig. 3, the 1st set access 12 to 14 it is adjacent across next door 16,17 respectively, next door 16,17 from each cylinder 2A,
The side 2B, 2C extends near the 2nd set access 15.
In Fig. 5, the downstream side of the 1st set access 12 to 14 is arranged in the 2nd set access 15, makes with all cylinder 2A extremely
The corresponding 1st set access 12 to 14 of 2C collects.The downstream of 2nd set access 15 is provided with waste gas outlet 15A, waste gas outlet
15A is open in the left side of cylinder head 3.
In Fig. 1, the flange part 3F for surrounding the periphery of waste gas outlet 15A is formed in the left side of cylinder head 3, in flange
Portion 3F is formed with multiple screw hole 3f.It is bonded to the flange part of exhaust pipe (not shown) in flange part 3F, in the flange of exhaust pipe
In the state that portion is engaged with flange part 3F, screw (not shown) is installed to screw hole 3f, so that exhaust pipe be made to be linked to cylinder
Lid 3.
Waste gas outlet 15A is connected to the exhaust channel of exhaust pipe, and the exhaust gas after burning in combustion chamber 5 is from the 1st cylinder 2A
The 1st set access 12 is pooled to by the 1st exhaust channel 9A and the 2nd exhaust channel 9B.
Exhaust gas after burning in combustion chamber 5 passes through the 1st exhaust channel 10A and the 2nd exhaust channel 10B from the 2nd cylinder 2B
It is pooled to the 1st set access 13.Exhaust gas after burning in combustion chamber 5 passes through the 1st exhaust channel 11A and the 2nd from the 3rd cylinder 2C
Exhaust channel 11B is pooled to the 1st set access 14.
The exhaust gas for being pooled to the 1st set access 12 to 14 is being pooled to the 2nd set access 15 from the 1st set access 12 to 14
Afterwards, it is discharged from waste gas outlet 15A to exhaust pipe, to be discharged from cylinder head 3.
1st exhaust channel 9A, 10A, 11A and the 2nd exhaust channel 9B, 10B, 11B be formed as the 1st set access 12,13,
The section of overlapping and each exhaust channel becomes 1 from 2 circular cross-sections on the axis direction O of cylinder in 14 upstream portion
Oval lengthwise section.The axis direction O of cylinder is the axis direction O of each cylinder 2A to 2C.
The 1st exhaust channel 11A and the 2nd exhaust channel 11B in the upstream portion of the 1st set access 14 is shown in FIG. 6 to exist
The state being overlapped on the axis direction of 3rd cylinder 2C.In the cylinder head 3 of the present embodiment, the axis direction O of cylinder is (referring to figure
It 2) is identical direction with the up and down direction of engine 1 (vertical direction).
It is shown into Figure 10 in Fig. 7 from the upstream side of the 1st exhaust channel 9A and the 2nd exhaust channel 9B to the 1st set access
12 section.As shown in figure 8, the 1st exhaust channel 9A and the 2nd exhaust channel 9B are formed as 2 circular cross-sections at upstream side, such as
Shown in Fig. 9, with downstream is gone to from upstream, 2 circular cross-sections are gradually overlapped.
If further going to downstream, as shown in Figure 10, the 1st exhaust channel 9A and the 2nd exhaust channel 9B are logical in the 1st set
Being overlapped on the axis direction O of the 1st cylinder 2A in the upstream portion on road 12 becomes 1 lengthwise section.
The downstream portion for the 1st set access 12 to 14 being connected to the 2nd set access 15 is formed as lengthwise section.For example, such as
Shown in Figure 11, the downstream side for the 1st set access 12 being connected to the 2nd set access 15 is formed as oval in the up-down direction and indulges
Long section.Though the illustration is omitted, the downstream side for the 1st set access 13,14 being connected to the 2nd set access 15 is similarly formed
For lengthwise section.In addition, oval is long oval in the up-down direction.
In Figure 10, Tu11Zhong, in the case where being watched from the axis direction O of the 1st cylinder 2A, the cross of the 1st set access 12
Be formed as width identical with the transverse width W2 of downstream portion of the 2nd exhaust channel 9B to width W1.
Though the illustration is omitted, in the case where being watched from the axis direction O of the 2nd cylinder 2B and the 3rd cylinder 2C, the 1st collection
The transverse width W1 of conjunction access 13,14 is again formed as identical with the transverse width W2 of downstream portion of the 2nd exhaust channel 10B, 11B
Width.
It is also possible in the case where being watched from the axis direction O of cylinder, by the transverse width W1 shape of the 1st set access 12
As width identical with the transverse width W2 of the 1st exhaust channel 9A, 10A, 11A.It can also be the cross of the 1st set access 12
To width W1 be formed as transverse width W2, the 1st exhaust channel 10A common with the 1st exhaust channel 9A and the 2nd exhaust channel 9B and
2nd exhaust channel 10B common transverse width W2, the 1st exhaust channel 11A and the common transverse width W2 of the 2nd exhaust channel 11B
It is identical.
In Fig. 3, (below will with the 2nd cylinder 2B of the central portion that cylinder head 3 is arranged on the orientation L of cylinder
The cylinder be known as center cylinder 2B) be connected to the 2nd exhaust channel 10B from central cylinder 2B to the orientation L-orthogonal with cylinder
Direction extend.The orientation L of cylinder is the direction of cylinder 2A to 2C side by side, is identical with the front-rear direction of engine 1
Direction.
1st exhaust channel 10A is from central cylinder 2B to the 2nd exhaust channel 10B lateral bend and is pooled to the 2nd exhaust channel
The central axis that 10B, waste gas outlet 15A are disposed relative to central cylinder 2B is (identical with the axis direction O of central cylinder 2B
Axis) it is biased to the position of the 2nd side exhaust channel 10B.
In addition it is also possible to which the arrangement of the 1st exhaust channel 10A and the 2nd exhaust channel 10B is overturned.That is, the 1st can also be made
Exhaust channel 10A extends to the direction of the orientation L-orthogonal with cylinder, makes the 2nd exhaust channel 10B from central cylinder 2B to the
1 exhaust channel 10A lateral bend is simultaneously pooled to the 1st exhaust channel 10A.
In this way, according to cylinder head the 3, the 1st exhaust channel 9A, 10A, 11A of the present embodiment and the 2nd exhaust channel 9B, 10B,
11B is formed as being overlapped on the axis direction O of cylinder in the upstream portion of the 1st set access 12,13,14 and each exhaust is logical
The section on road becomes 1 lengthwise section from 2 circular cross-sections.
Thus, it is possible to prevent in the 1st exhaust channel 9A, 10A, 11A and the 2nd exhaust channel 9B, 10B, 11B by the 1st set
Before access 12,13,14 collects and after collecting, the sectional area of exhaust channel 8 is significantlyd change.Therefore, it can reduce exhaust channel 8
Aeration resistance.
In addition, the downstream portion for the 1st set access 12,13,14 being connected to the 2nd set access 15 is formed as lengthwise section,
Therefore, the downstream portion of the 1st set access 12,13,14 can be made to be connected to lengthwise section with the 2nd set access 15.
Thus, it is possible to which the next door 16,17 for making to be formed between the 1st set access 12,13,14 adjacent to each other extends to the
Near 2 set accesses 15.Therefore, the 1st exhaust can will be discharged to from the 1st cylinder 2A, center cylinder 2B and the 3rd cylinder 2C
The exhaust gas of access 9A, 10A, 11A and the 2nd exhaust channel 9B, 10B, 11B are directed to the 2nd set access 15 without interfering.Cause
This, can more effectively reduce the aeration resistance of exhaust channel 8.
Moreover, by the way that the 1st set access 12,13,14 is formed as lengthwise section, it can be in the axis direction O with cylinder
Make the 1st set 12,13,14 free folding of access on the direction of horizontal cross.
Thus, it is possible to be folded upward at the 1st set access 12,13,14 in the side of the axis direction O horizontal cross with cylinder
And be connected to the 2nd set access 15, make respective downstream with gas close on the direction of the axis direction O horizontal cross of cylinder
The side cylinder 2A, 2B, 2C can make waste gas outlet 15A close to the side cylinder 2A, 2B, 2C.As a result, the vehicle of cylinder head 3 can be shortened
The size of width direction (left and right directions of vehicle), can be realized miniaturization, the lightweight of cylinder head 3.
In addition, according to cylinder head the 3, the 1st exhaust channel 9A, 10A, 11A of the present embodiment and the 2nd exhaust channel 9B, 10B,
The vertical of access 12,13,14 is gathered in the 1 lengthwise section and the 1st that the downstream portion of 11B overlaps to form on the axis direction of cylinder
Long section is formed as long oval in the up-down direction.
To make the 1st set access compared with the situation that the section of the 1st set access 12,13,14 is set as to round
12,13,14 be pooled to the 2nd set access 15 when, can further shorten the 1st set access 12,13,14 transverse direction (arrangement
Direction) interval, can more effectively realize miniaturization, the lightweight of cylinder head 3.
In addition, in the case where watching from the axis direction O of cylinder, the 1st set is logical according to the cylinder head 3 of the present embodiment
The transverse width W1 on road 12,13,14 is formed as and the transverse width of the downstream portion of the 1st exhaust channel 9A, 10A, 11A or the 2nd row
The identical width of transverse width W2 of the downstream portion of gas access 9B, 10B, 11B.
Thus, it is possible to more efficiently prevent from the 1st exhaust channel 9A, 10A, 11A and the 2nd exhaust channel 9B, 10B, 11B in quilt
Before 1st set access 12,13,14 collects and after collecting, sectional area is significantlyd change, and can more effectively reduce exhaust channel 8
Aeration resistance.
In addition, according to the cylinder head 3 of the present embodiment, with the central portion that cylinder head 3 is arranged on the orientation L of cylinder
Central cylinder 2B connection the 2nd exhaust channel 9B from central cylinder 2B to the direction of the orientation L-orthogonal with cylinder extend.
Also, the 1st exhaust channel 9A is from central cylinder 2B is to the 2nd exhaust channel 9B lateral bend and to be pooled to the 2nd exhaust logical
Central axis O the 2nd exhaust of deviation (identical as axis direction O) that road 9B, waste gas outlet 15A are disposed relative to central cylinder 2B is logical
The position of the road side 9B.
Thus, it is possible to collect the 1st exhaust channel 10A and the 2nd exhaust channel 10B near central cylinder 2B, it can
Correspondingly make waste gas outlet 15A close to the side central cylinder 2B.As a result, the small-sized of cylinder head 3 can more effectively be realized
Change, lightweight.
Although disclosing the present embodiment of the invention, it is apparent that those skilled in the art are with can not departing from the scope of the present invention
It is changed.It is intended to all this amendments and equivalent include in the appended claims.
Claims (6)
1. the cylinder block of the internal combustion engine with the multiple cylinders for being arranged side by side into a column is arranged in a kind of cylinder head of internal combustion engine
Top, be formed with the exhaust channel from above-mentioned multiple cylinders discharge exhaust gas in above-mentioned cylinder head, the feature of above-mentioned cylinder head exists
In,
Above-mentioned exhaust channel includes:
1st exhaust channel and the 2nd exhaust channel are connected to each above-mentioned cylinder；
1st set access, is arranged in the downstream side of above-mentioned 1st exhaust channel and above-mentioned 2nd exhaust channel, makes above-mentioned 1st row
Gas access and above-mentioned 2nd exhaust channel are collected by each above-mentioned cylinder；
The downstream side of above-mentioned 1st set access is arranged in 2nd set access, collects above-mentioned 1st set access；And
Waste gas outlet, connects above-mentioned 2nd set access, and exhaust gas is discharged from above-mentioned cylinder head to outside,
Above-mentioned 1st exhaust channel and above-mentioned 2nd exhaust channel are formed as in the upstream portion of above-mentioned 1st set access in above-mentioned gas
The section of overlapping and each exhaust channel becomes 1 lengthwise section from 2 circular cross-sections on the axis direction of cylinder,
The downstream portion for the above-mentioned 1st set access being connected to above-mentioned 2nd set access is formed as lengthwise section.
2. the cylinder head of internal combustion engine according to claim 1,
The downstream portion of above-mentioned 1st exhaust channel and above-mentioned 2nd exhaust channel overlapped to form on the axis direction of above-mentioned cylinder 1
A lengthwise section and the lengthwise section of above-mentioned 1st set access are long oval in the up-down direction.
3. according to claim 1 or the cylinder head of internal combustion engine as claimed in claim 2,
From the axis direction of above-mentioned cylinder watch in the case where, it is above-mentioned 1st set access transverse width be formed as with it is above-mentioned
The transverse width of the downstream portion of the transverse width of the downstream portion of 1st exhaust channel or above-mentioned 2nd exhaust channel is identical.
4. the cylinder head of internal combustion engine according to claim 1,
In the feelings that the cylinder that the central portion of above-mentioned cylinder head is arranged in the orientation of above-mentioned cylinder is set as to central cylinder
Under condition, side's exhaust channel in above-mentioned 1st exhaust channel and above-mentioned 2nd exhaust channel for being connected to above-mentioned central cylinder is from upper
Central cylinder is stated to extend to the direction orthogonal with the orientation of above-mentioned cylinder, another party's exhaust channel from above-mentioned central cylinder to
One side exhaust channel lateral bend is simultaneously pooled to one side exhaust channel,
The central axis that above-mentioned waste gas outlet is disposed relative to above-mentioned central cylinder is biased to the position of one side exhaust channel side.
5. the cylinder head of internal combustion engine according to claim 2,
In the feelings that the cylinder that the central portion of above-mentioned cylinder head is arranged in the orientation of above-mentioned cylinder is set as to central cylinder
Under condition, side's exhaust channel in above-mentioned 1st exhaust channel and above-mentioned 2nd exhaust channel for being connected to above-mentioned central cylinder is from upper
Central cylinder is stated to extend to the direction orthogonal with the orientation of above-mentioned cylinder, another party's exhaust channel from above-mentioned central cylinder to
One side exhaust channel lateral bend is simultaneously pooled to one side exhaust channel,
The central axis that above-mentioned waste gas outlet is disposed relative to above-mentioned central cylinder is biased to the position of one side exhaust channel side.
6. the cylinder head of internal combustion engine according to claim 3,
In the feelings that the cylinder that the central portion of above-mentioned cylinder head is arranged in the orientation of above-mentioned cylinder is set as to central cylinder
Under condition, side's exhaust channel in above-mentioned 1st exhaust channel and above-mentioned 2nd exhaust channel for being connected to above-mentioned central cylinder is from upper
Central cylinder is stated to extend to the direction orthogonal with the orientation of above-mentioned cylinder, another party's exhaust channel from above-mentioned central cylinder to
One side exhaust channel lateral bend is simultaneously pooled to one side exhaust channel,
The central axis that above-mentioned waste gas outlet is disposed relative to above-mentioned central cylinder is biased to the position of one side exhaust channel side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017104595A JP6930220B2 (en) | 2017-05-26 | 2017-05-26 | Internal combustion engine cylinder head |
| JP2017-104595 | 2017-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952989A true CN108952989A (en) | 2018-12-07 |
| CN108952989B CN108952989B (en) | 2021-04-20 |
Family
ID=64109336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810510689.0A Active CN108952989B (en) | 2017-05-26 | 2018-05-24 | Cylinder head of internal combustion engine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6930220B2 (en) |
| CN (1) | CN108952989B (en) |
| DE (1) | DE102018207348B4 (en) |
| FR (1) | FR3066786B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404605A (en) * | 2020-03-17 | 2021-09-17 | 本田技研工业株式会社 | Cylinder head of multi-cylinder engine |
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| CN113404605A (en) * | 2020-03-17 | 2021-09-17 | 本田技研工业株式会社 | Cylinder head of multi-cylinder engine |
| CN113404605B (en) * | 2020-03-17 | 2023-02-21 | 本田技研工业株式会社 | Cylinder head of multi-cylinder engine |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3066786B1 (en) | 2022-06-24 |
| JP2018200017A (en) | 2018-12-20 |
| CN108952989B (en) | 2021-04-20 |
| JP6930220B2 (en) | 2021-09-01 |
| DE102018207348A1 (en) | 2018-11-29 |
| FR3066786A1 (en) | 2018-11-30 |
| DE102018207348B4 (en) | 2024-09-12 |
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