CN102235262A - Cylinder cover - Google Patents
Cylinder cover Download PDFInfo
- Publication number
- CN102235262A CN102235262A CN2011100741433A CN201110074143A CN102235262A CN 102235262 A CN102235262 A CN 102235262A CN 2011100741433 A CN2011100741433 A CN 2011100741433A CN 201110074143 A CN201110074143 A CN 201110074143A CN 102235262 A CN102235262 A CN 102235262A
- Authority
- CN
- China
- Prior art keywords
- cylinder head
- wall portion
- head bolt
- lateral wall
- pillar
- 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
Links
Images
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
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
-
- 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
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
-
- 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
Abstract
The invention provides a cylinder cover, comprising a substrate portion disposed on a cylinder body through bolt by means of the cylinder cover, a circumferential wall portion of a driving space which extends from the edge of the substrate portion to the opposite side of the cylinder body and limits a valve operation device, a longitudinal wall portion which divides the driving space into an air inlet side and an exhaust side and is connected to the circumferential wall portion, and a lateral wall portion which forms a part of the camshaft neck and is bridged to the circumferential wall portion and the longitudinal wall portion. The camshaft neck is positioned on the axis of the cylinder cover bolt and is disposed in at least one of the air inlet side and the exhaust side. The cylinder cover also comprises a support which connecting the substrate portion and the lateral wall portion adjacent to the cylinder cover bolt, and an oil-way which traverses the support and supplies oil from the oil duct formed in the substrate portion to the camshaft neck.
Description
Technical field
The present invention relates to a kind of cylinder head, it has locatees to such an extent that be close to the supporting structure of cylinder head bolt boss.
Background technique
The exemplary air cylinder head structure of motor is disclosed among the JP-A-2004-204706.In JP-A-2004-204706, be used for cylinder head is assembled to the approximate intermediate portion office that is arranged on cylinder close to each other of cylinder head bolt of cylinder block, so that cylinder head stably is fixed to cylinder block, thereby receive the stress that the outburst (explosion) of cylinder causes equably.And,, go up opening of formation at camshaft supporting walls (lateral wall portion), and cam journal is arranged at cylinder head bolt outside (referring to paragraph 0048) with being inclined upwardly for making the connection work of cylinder head bolt more light.This cam journal is not arranged on the axis of cylinder head bolt.
Summary of the invention
Therefore the purpose of this invention is to provide a kind of cylinder head, by making described cylinder head miniaturization on the axis that cam journal is arranged on cylinder head bolt.Another object of the present invention provides a kind of cylinder head, by providing a pillar and by providing an oil circuit to make described cylinder head miniaturization, described pillar is used in the position supporting cam wheel axle support section (lateral wall portion) that is adjacent to the cylinder head bolt boss that cylinder head bolt therefrom passes, and described oil circuit is used for the cam journal fuel feeding to described pillar.
For reaching this purpose, according to the present invention, provide a kind of cylinder head, comprising: base part is installed on the cylinder block by means of cylinder head bolt; Inner peripheral portion is extended and defines the driving space of valve operating system towards the opposite side of cylinder block from the edge of base part; Vertical wall section, it is that the air inlet side is connected with exhaust side and with inner peripheral portion that this vertical wall section will drive separated by spaces; Lateral wall portion, described lateral wall portion constitute camshaft cam journal a part and with inner peripheral portion and vertical wall section bridge joint mutually, described cam journal is positioned on the axis of cylinder head bolt, is arranged at least one of air inlet side and exhaust side; Pillar, described pillar connect base part and lateral wall portion near cylinder head bolt; And oil circuit, described oil circuit passes pillar, and the oil duct from be formed on base part (oil gallery) is to the cam journal fuel feeding.
The axis that oil circuit can be parallel to cylinder head bolt extends.
Lateral wall portion can be formed with bolt hole, described bolt hole is attached with camb cap, and camb cap can form cam journal with lateral wall portion, wherein camshaft is plugged between camb cap and the lateral wall portion, and oil circuit can be arranged to deviate from connect cylinder head bolt insert wherein the cylinder head bolt boss and the line between the bolt hole.
Lateral wall portion can comprise first lateral wall portion that is arranged in the air inlet side and second lateral wall portion that is arranged in the exhaust side, the first cylinder head bolt boss and first lateral wall portion are along the axial direction of camshaft crossover each other, the second cylinder head bolt boss and second lateral wall portion can depart from each other along the axial direction of camshaft, the first portion of pillar can be positioned on the line that connects the first cylinder head bolt boss and the second cylinder head bolt boss, and the second portion that is formed with oil circuit of pillar can be located to such an extent that depart from this line.
The section surfaces of pillar can have elliptical shape.
Description of drawings
Fig. 1 shows the perspective view according to cylinder head of the present invention;
Fig. 2 shows the planimetric map according to cylinder head of the present invention;
Fig. 3 (a) shows the planimetric map of exemplary arrangement 2, and in exemplary arrangement 2, pillar is set to the center line that departs between air inlet side cylinder head bolt boss and the exhaust side cylinder head bolt boss;
Fig. 3 (b) shows the planimetric map of exemplary arrangement 1, and in exemplary arrangement 1, pillar is arranged on the center line between air inlet side cylinder head bolt boss and the exhaust side cylinder head bolt boss;
Fig. 3 (c) is the cross sectional view that the line A-A along Fig. 3 (b) is intercepted;
Fig. 4 (a) shows the planimetric map of exemplary arrangement 2, and in exemplary arrangement 2, pillar is set to the center line that departs between air inlet side cylinder head bolt boss and the exhaust side cylinder head bolt boss; And
Fig. 4 (b) shows the planimetric map of exemplary arrangement 1, and in exemplary arrangement 1, pillar is arranged on the center line between air inlet side cylinder head bolt boss and the exhaust side cylinder head bolt boss.
Embodiment
Hereinafter, with reference to preferred embodiment embodiments of the invention are described.
Fig. 1 and Fig. 2 show cylinder head according to the preferred embodiment of the invention.
As shown in Figure 1, cylinder head 20 is by being arranged on the cylinder block 10 as Sealing (not shown) such as packing rings.
Inner peripheral portion 22 comprises and approximate direction is set (hereinafter along the firing chamber, be called longitudinal direction) vertical inner peripheral portion 221 of being provided with and approximately the horizontal inner peripheral portion 222 that the direction (hereinafter, being called width direction) of direction is provided with is set along crossing the firing chamber.
The vertically wall section 23 approximate centers that are arranged at cylinder head 20 width directions, and extension along the longitudinal direction.Vertically wall section 23 and bottom wall portion 21 are integrally formed so that along upward to uprightly.Vertically wall section 23 two ends and horizontal inner peripheral portion 222 along the longitudinal direction is integrally formed.That is to say that bottom wall portion 21, inner peripheral portion 22 and vertical wall section 23 are integrally formed each other.
Be assembled with admission cam shaft 40 and exhaust cam shaft 50 in the cylinder head 20, described admission cam shaft and exhaust cam shaft are included in the valve operating system that is used for opening and closing suction valve (not shown) and outlet valve (not shown).
At first, use description to support the structure of exhaust cam shaft 50.The a plurality of exhaust side lateral wall portion 24 that are used for supporting exhaust cam shaft 50 are arranged at the exhaust side of cylinder head 20 with fixed intervals.Exhaust side lateral wall portion 24 broad wayss are extended, with the vertical inner peripheral portion 221 in the exhaust side and vertical wall section 23 bridge joint mutually.
Exhaust side lateral wall portion 24 is integrally formed with bottom wall portion 21 at its place, two ends, and the part except that two ends of exhaust side lateral wall portion 24 is away from bottom wall portion 21.That is to say, in exhaust side lateral wall portion 24, between the upper-end surface of part except that its two ends and bottom wall portion 21, be formed with the space.
In exhaust side lateral wall portion 24, be formed with the exhaust cam axle support section 24a that is used to support exhaust cam shaft 50.Exhaust cam axle support section 24a forms spill, and its cross section is carved into semicircle.The cross section is carved into semicircular camb cap (not shown) and is attached to exhaust cam axle support section 24a to form cam journal, and wherein exhaust cam shaft 50 is between camb cap and exhaust cam axle support section 24a.Two bolt hole 24b, 24b that camb cap is attached thereto are formed on the upper surface of exhaust side lateral wall portion 24.The direction that connects these two bolt hole 24b, 24b is parallel to the direction (being width direction) of the cylinder head bolt boss 31 in the cylinder head bolt boss 31 that connects in the air inlet side and the exhaust side.
Next, will the supporting structure of admission cam shaft 40 be described.In the air inlet side of cylinder head 20, the air inlet side lateral wall portion 25 of extending with form of straight lines along width direction is with the fixed intervals setting.It is for the vertical inner peripheral portion 221 in the air inlet side is connected with vertical wall section 23 that air inlet side lateral wall portion 25 broad wayss are extended with form of straight lines.
Air inlet side lateral wall portion 25 comprises the intake cam axle support section 25a that is used to support admission cam shaft 40.Intake cam axle support section 25a is a spill, and its cross section is carved into semicircle.The cross section is carved into semicircular camb cap (not shown) and attaches to intake cam axle support section 25a to form cam journal, and wherein admission cam shaft 40 is between camb cap and intake cam axle support section 25a.Two bolt hole 25b, 25b that camb cap is attached thereto are formed on the upper surface of air inlet side lateral wall portion 25.The direction that connects these two bolt hole 25b, 25b is parallel to the direction (being width direction) of the cylinder head bolt boss 31 in the cylinder head bolt boss 31 that connects in the air inlet side and the exhaust side.
Rocker arm body be arranged in the air inlet side vertical inner peripheral portion 221 and vertically between the wall section 23.Yet, omitted rocker arm body in the view.
The fixed structure of cylinder block 10 with cylinder head 20 will be described in detail.Cylinder head 20 is fixed to cylinder block 10 by cylinder head bolt 30.Bottom wall portion 21 is formed with a plurality of cylinder head bolt boss 31, and cylinder head bolt 30 passes described cylinder head bolt boss.
Cylinder head bolt boss 31 in the exhaust side is arranged between the adjacent exhaust side lateral wall portion 24 along the longitudinal direction one by one.For this reason, working space is very firm, and in working space, cylinder head bolt 30 can insert in the cylinder head bolt boss 31.
Cylinder head bolt boss 31 in the air inlet side be arranged in the air inlet side lateral wall portion 25 the intake cam axle support section 25a that forms under.That is to say that intake cam axle support section 25a is positioned on the axis of cylinder head bolt 30.Therefore, cylinder head bolt 30 and cam journal can overlap each other and be arranged on a position, thereby compare with disclosing the JP-A-2004-204706 that is tilted to the cam journal that is arranged at the cylinder head bolt outside, and cylinder head can be more small-sized.
From the visual angle of top, the intake cam axle support section 25a that is formed in the air inlet side lateral wall portion 25 is wideer than the part except that intake cam axle support section 25a of air inlet side lateral wall portion 25 in the vertical.And the inserting hole 25c that extends to cylinder head bolt boss 31 is formed between two edge sections on the longitudinal direction of intake cam axle support section 25a.Correspondingly, the cylinder head bolt boss 31 in the air inlet side can be easy to from it portion by inserting hole 25c and expose.
The instrument that uses when the size that inserting hole 25c has makes assembling cylinder head bolt 30 can enter in it.For this reason, guaranteed to carry out the working space of the assembling of cylinder head bolt 30 near the cylinder head bolt boss 31 in the air inlet side.
Simultaneously, when cylinder head 20 formed by casting method etc., exhaust side lateral wall portion 24 and air inlet side lateral wall portion 25 formed together.Therefore, exhaust side lateral wall portion 24 and air inlet side lateral wall portion 25 are integrally formed with bottom wall portion 21, vertical wall section 23 and inner peripheral portion 22.
In addition, pillar 26 unshowned in Fig. 1 and Fig. 2, that be used to be connected bottom wall portion 21 and air inlet side lateral wall portion 25 is set to and stands near the cylinder head bolt boss 31 that is provided with below the air inlet side lateral wall portion 25.Pillar 26 is girth members, and it supports air inlet side lateral wall portion 25.Because the position of admission cam shaft 40, the gap turn narrow between pillar 26 and the cylinder head bolt boss 31.The cross section of pillar 26 is oval-shaped.
Fig. 3 (a) has illustrated the aligned relationship of pillar 26 with cylinder head bolt boss 31 to Fig. 4 (b).To Fig. 4 (b), show the element except pillar 26 and cylinder head bolt boss 31 at Fig. 3 (a) abstractively.
Fig. 3 (b) shows example alignment 1, and wherein, pillar 26 is arranged on the center line of air inlet side cylinder head bolt boss 31 and exhaust side cylinder head bolt boss 31.Fig. 3 (c) is the cross sectional view along the line A-A intercepting of Fig. 3 (b).
Simultaneously, Fig. 3 (a) shows example alignment 2, and wherein, pillar 26 is provided with the center line φ angle that departs from air inlet side cylinder head bolt boss 31 and exhaust side cylinder head bolt boss 31.
In the example alignment 2 shown in Fig. 3 (a), because pillar 26 connects bottom wall portion 21 and air inlet side lateral wall portion 25, pillar 26 rotates so that the part of pillar 26 is still stayed on the center line of air inlet side cylinder head bolt boss 31 and exhaust side cylinder head bolt boss 31.
And the distance C between the center of air inlet side cylinder head bolt boss 31 and the oil circuit 27 of pillar 26 on width direction is equal to or less than oil pipe the limit is installed.Herein, oil pipe is installed the limit and is referred to the limit that oil circuit 27 can be connected with the oil duct in being formed on bottom wall portion 21.
Be equal to or less than oil pipe although distance C can not form longly the limit is installed, but the distance between cylinder head bolt boss 31 and the pillar 26 is short more, the radius of curvature of formed curved surface is just more little between the base of cylinder head bolt boss 31 centers and pillar 26, therefore, problem of stress concentration may appear easily.
Shown in the following equation between the outer surface of the center of the air inlet side cylinder head bolt boss 31 in the example alignment 1 shown in Fig. 3 (b) and pillar 26 apart from the distance b between the outer surface of the center of the air inlet side cylinder head bolt boss 31 in the example alignment 2 shown in a and Fig. 3 (a) and pillar 26.
b＝a/cosφ
b-a＝a(1/cosφ-1)
That is to say, compare that in the example alignment 2 shown in Fig. 3 (a), the distance between the center of air inlet side cylinder head bolt boss 31 and the outer surface of pillar 26 can increase with the example alignment 1 shown in Fig. 3 (b)
Usually, although being formed with curved surface (having provided so-called R) between the base of cylinder head bolt boss 31 and pillar 26 concentrates to avoid stress, if but the distance between the outer surface of the center of cylinder head bolt boss 31 and pillar 26 is narrow, then the radius of curvature of the curved surface between the base of cylinder head bolt boss 31 and pillar 26 is less, shown in Fig. 4 (b).In contrast, if the distance between the outer surface of the center of cylinder head bolt boss 31 and pillar 26 is relative longer, therefore then the radius of curvature of the curved surface between the base of cylinder head bolt boss 31 and pillar 26 will become greatly, shown in Fig. 4 (a), has and the advantage that stress is concentrated seldom occurs.
Because the generation of cylinder head bolt 30 axial forces, make cylinder head bolt boss 31 sink and to its outer inclination (in the diagram by exaggerative), as replacing shown in the length line among Fig. 3 (c) that A-A along the line cut, thereby the base position at pillar 26 produces tensile stress, and the cylinder head bolt boss 31 of opposite side also tilts simultaneously.
Therefore, in the example alignment 1 shown in Fig. 3 (b), the pillar 26 on cylinder head bolt boss 31 center lines is pulled between cylinder head bolt boss 31, thereby tensile stress further increases.In contrast, in the example alignment 2 shown in Fig. 3 (a), the forefield of pillar 26 (has departed from) a * tan φ towards the axial direction displacement of camshaft, thereby can reduce the traction action of opposite side place boss.
As mentioned above, in the example alignment 1 shown in Fig. 3 (b) and in the example alignment 2 shown in Fig. 3 (a), because oil circuit 27 is formed on the pillar 26 that is used for supporting air inlet side lateral wall portion 25, therefore compares and to obtain the structure of miniaturization with the structure that is provided with oil circuit separately.
Because the position of admission cam shaft 40, pillar 26 should be settled near cylinder head bolt boss 31, and correspondingly, the distance between pillar 26 and the cylinder head bolt boss 31 can not be set longly.Yet, as in the example alignment 2 shown in Fig. 3 (a), the pillar 26 of adjacent gas cylinder bolt boss 31 has been arranged to depart from the center line of cylinder head bolt boss (they are air inlet side cylinder head bolt boss 31 and exhaust side cylinder head bolt boss 31), thereby obtains following reliable effect:
(1) stress that has reduced the prop liner place is concentrated; With
(2) prolonged the high cycles fatigue life-span (high frequency that the outburst in the cylinder inside produces is vibrated caused metal fatigue) and durable reliability.
And, in the example alignment shown in Fig. 3 (a), because from connecting the line displacement of two bolt hole 25b and cylinder head bolt boss 31, fix by the distance between cylinder head bolt 30 and the oil circuit 27 along the direction of admission cam shaft 40 axis for oil circuit 27, so strengthened rigidity.
Although described the present invention with reference to embodiment, technical scope of the present invention is not limited to the scope described in the foregoing description.For example, replace exhaust side lateral wall portion 24, the lateral wall portion with air inlet side lateral wall portion 25 structures can be set on the cylinder head bolt boss 31 in the exhaust side.
According to an aspect of the present invention, be arranged on a position and make in the cylinder head that becomes cylinder head miniaturization forms overlapping each other owing to cylinder head bolt and cam journal, the pillar that is used to support the lateral wall portion that is provided with cam journal is formed with the oil circuit that is used for to the cam journal fuel feeding, thereby the cylinder head of more miniaturization can be provided.
According to an aspect of the present invention, oil circuit forms to such an extent that be parallel to the axis of cylinder head bolt, and therefore, oil circuit can be more near cylinder head bolt, that is, and and the cam journal on the cylinder head bolt axis.
According to an aspect of the present invention, the distance between cylinder head bolt and the oil circuit is firm, thereby has improved rigidity.
The present invention relates to a kind of cylinder head, it has the corbeling of close cylinder head bolt boss location, and it has the wide industrial practicability.
Claims (5)
1. cylinder head comprises:
Base part is installed on the cylinder block by means of cylinder head bolt;
Inner peripheral portion is extended and limits the driving space of valve operating system towards the opposite side of cylinder block from the edge of base part;
Vertically wall section is that the air inlet side is connected with exhaust side and with described inner peripheral portion with described driving separated by spaces;
Lateral wall portion, form camshaft cam journal a part and with inner peripheral portion and vertical wall section bridge joint mutually, described cam journal is positioned on the axis of cylinder head bolt, is arranged at least one of air inlet side and exhaust side;
Pillar connects base part and lateral wall portion near cylinder head bolt; And
Oil circuit passes described pillar and the oil duct from be formed on base part to the cam journal fuel feeding.
2. cylinder head according to claim 1, wherein,
The axis that described oil circuit is parallel to cylinder head bolt extends.
3. cylinder head according to claim 2, wherein,
Lateral wall portion is formed with bolt hole, and a camb cap invests described bolt hole, and described camb cap forms cam journal with lateral wall portion, wherein camshaft between described camb cap and described lateral wall portion, and
Described oil circuit be arranged to deviate from connect cylinder head bolt insert wherein the cylinder head bolt boss and the line between the bolt hole.
4. cylinder head according to claim 3, wherein,
Lateral wall portion comprises first lateral wall portion that is arranged in the air inlet side and second lateral wall portion that is arranged in the exhaust side,
The first cylinder head bolt boss and first lateral wall portion be along the axial direction of camshaft crossover each other,
The second cylinder head bolt boss and second lateral wall portion depart from each other along the axial direction of a camshaft,
The first portion of described pillar is positioned on the line that connects the first cylinder head bolt boss and the second cylinder head bolt boss, and
The second portion that is formed with oil circuit of described pillar is positioned to such an extent that depart from described line.
5. cylinder head according to claim 4, wherein,
The section surfaces of described pillar has elliptical shape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-103006 | 2010-04-28 | ||
| JP2010103006A JP5310643B2 (en) | 2010-04-28 | 2010-04-28 | cylinder head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102235262A true CN102235262A (en) | 2011-11-09 |
| CN102235262B CN102235262B (en) | 2013-05-29 |
Family
ID=44833529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110074143 Active CN102235262B (en) | 2010-04-28 | 2011-03-25 | Cylinder cover |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5310643B2 (en) |
| CN (1) | CN102235262B (en) |
| FR (1) | FR2959530B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6561580B2 (en) * | 2015-05-25 | 2019-08-21 | 日産自動車株式会社 | Internal combustion engine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2216187A (en) * | 1988-02-22 | 1989-10-04 | Nissan Motor | Oil return from a cylinder head for dohc i.c. engine with four valves per cylinder |
| JPH0586813A (en) * | 1991-09-20 | 1993-04-06 | Mazda Motor Corp | Bearing structure for camshaft |
| EP0744531A1 (en) * | 1995-05-22 | 1996-11-27 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Cylinder head for an internal combustion engine |
| JPH11270309A (en) * | 1998-03-24 | 1999-10-05 | Kubota Corp | Cylinder head for slanted overhead valve engine |
| JP2004204706A (en) * | 2002-12-24 | 2004-07-22 | Mazda Motor Corp | Cylinder head structure for engine |
| CN1540153A (en) * | 2003-04-24 | 2004-10-27 | 三菱自动车工业株式会社 | Cylinder cap structure |
| CN101397947A (en) * | 2007-09-27 | 2009-04-01 | 三菱自动车工业株式会社 | Cylinder head |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0637849B2 (en) * | 1984-09-14 | 1994-05-18 | スズキ株式会社 | Cylinder head cooling structure |
| DE4410123C2 (en) * | 1994-03-24 | 2003-02-20 | Ina Schaeffler Kg | Oil supply for a valve actuation device |
| JP2000087719A (en) * | 1998-09-11 | 2000-03-28 | Honda Motor Co Ltd | Lubrication system for internal combustion engine |
| JP4285900B2 (en) * | 2000-10-25 | 2009-06-24 | ヤンマー株式会社 | Cylinder head structure of internal combustion engine |
| JP4270313B2 (en) * | 2007-09-27 | 2009-05-27 | 三菱自動車工業株式会社 | cylinder head |
-
2010
- 2010-04-28 JP JP2010103006A patent/JP5310643B2/en active Active
-
2011
- 2011-03-25 CN CN 201110074143 patent/CN102235262B/en active Active
- 2011-03-25 FR FR1152506A patent/FR2959530B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2216187A (en) * | 1988-02-22 | 1989-10-04 | Nissan Motor | Oil return from a cylinder head for dohc i.c. engine with four valves per cylinder |
| JPH0586813A (en) * | 1991-09-20 | 1993-04-06 | Mazda Motor Corp | Bearing structure for camshaft |
| EP0744531A1 (en) * | 1995-05-22 | 1996-11-27 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Cylinder head for an internal combustion engine |
| JPH11270309A (en) * | 1998-03-24 | 1999-10-05 | Kubota Corp | Cylinder head for slanted overhead valve engine |
| JP2004204706A (en) * | 2002-12-24 | 2004-07-22 | Mazda Motor Corp | Cylinder head structure for engine |
| CN1540153A (en) * | 2003-04-24 | 2004-10-27 | 三菱自动车工业株式会社 | Cylinder cap structure |
| CN101397947A (en) * | 2007-09-27 | 2009-04-01 | 三菱自动车工业株式会社 | Cylinder head |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5310643B2 (en) | 2013-10-09 |
| FR2959530A1 (en) | 2011-11-04 |
| CN102235262B (en) | 2013-05-29 |
| FR2959530B1 (en) | 2016-12-09 |
| JP2011231692A (en) | 2011-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1971019B (en) | Cylinder block integrated with crankcase | |
| CN101321930B (en) | Camshaft support structure of an internal combustion engine | |
| JP5109177B2 (en) | Piston assembly | |
| ES2708432T3 (en) | Support member to optimize dynamic load distribution and attenuate vibration | |
| CN104487686B (en) | Piston for internal combustion engine | |
| CN102235262B (en) | Cylinder cover | |
| CN1605738A (en) | Cylinder block for internal-combustion engine | |
| CN103382938A (en) | A scroll compressor with an unloader assembly | |
| EP2050935B1 (en) | Blow-by gas processing device for internal combustion engine | |
| CN108026836B (en) | The bolt tightening method of lower link | |
| KR100976642B1 (en) | Piston-pin bearing for internal combustion engines | |
| CN104696034A (en) | Engine | |
| CN109931194A (en) | Air inlet | |
| JP2009097483A (en) | Sealing material and sealing structure | |
| CN101657612B (en) | Pitot engine crankshaft oil pump | |
| EP2541003A1 (en) | Main bearing of internal combusion engine | |
| JP2018534470A (en) | Optimized boss support | |
| US10641202B2 (en) | Cylinder head | |
| CN102330615A (en) | Cylinder cap device of internal combustion engine | |
| JP5759524B2 (en) | Internal combustion engine | |
| CN114829745A (en) | Exhaust manifold to turbine connection | |
| CN102042081B (en) | Engine with an improved carburettor unit assembly | |
| JP5845233B2 (en) | Engine head cover structure and suspension structure thereof | |
| JP6645250B2 (en) | Intake device for internal combustion engine | |
| JP6943537B2 (en) | Fluid passage connection structure of internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Tokyo Port Area, Japan Patentee after: Mitsubishi Jidosha Kogyo Kabushiki Kaisha Address before: Tokyo, Japan Patentee before: Mitsubishi Jidosha Kogyo Kabushiki Kaisha |
|
| CP02 | Change in the address of a patent holder |