CN1650100A - Adhesively bonded valve cover cylinder head assembly - Google Patents
Adhesively bonded valve cover cylinder head assembly Download PDFInfo
- Publication number
- CN1650100A CN1650100A CNA028035038A CN02803503A CN1650100A CN 1650100 A CN1650100 A CN 1650100A CN A028035038 A CNA028035038 A CN A028035038A CN 02803503 A CN02803503 A CN 02803503A CN 1650100 A CN1650100 A CN 1650100A
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- China
- Prior art keywords
- valve cover
- cylinder head
- valve
- binder
- matching surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
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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
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/006—Camshaft or pushrod housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Connection Of Plates (AREA)
Abstract
A valve cover assembly comprising a valve cover (21) wherein the valve cover has a mating surface (26) adapted to be attached to a cylinder head (20) of an internal combustion engine having a continuous bead of adhesive (22) disposed on the mating surface (25). An engine assembly comprising one or more valve covers (21), which has a mating surface (26) and one or more cylinder heads (20) having mating surfaces (25) adapted to fit to the mating surfaces (26) of the valve covers (21) wherein each valve cover (21) is adhesively bonded to a cylinder head. A method for bonding a valve cover (21) to a cylinder head (20) comprising a) applying to a valve cover (21) or a cylinder head (20), wherein the valve cover (21) has a mating surface adapted to be mated with a mating surface of a cylinder head (25), a continuous bead (26) or film of adhesive (22) on the mating surface of the valve cover (26) or the cylinder head (25); b) contacting the mating surface of the valve cover (26) with the mating surface of the cylinder head (25) such the continuous bead or film of adhesive (22) is disposed between the mating surfaces of the valve cover (26) and the cylinder head (25); c) curing the adhesive (22) to form a permanent bond between the mating surfaces of the valve cover (26) and the cylinder head (25) wherein the adhesive forms a seal between the valve cover (21) and the cylinder head (20).
Description
It number is the preference of 60/262,570 U.S. Patent application that the application requires the provisional application submitted to January 18 calendar year 2001.
Technical field
The present invention relates to the valve cover elements of internal-combustion engine, wherein this valve cover is bonded on the cylinder by binder.The invention still further relates to a kind of valve cover that is used for this assembly, the bonding binder that solidifies whenever necessary on this assembly.The invention still further relates to valve cover is adhered to technology on the cylinder head of internal-combustion engine.
Background technique
Car and truck engine have the valve train parts usually, and these valve train parts are covered by some covers, can not be subjected to the infringement of various external contamination things with protection valve and internal combustion engine component, and make machine oil and combustion gas reasonable disposition in motor.These are covered with variety classes, such as valve cover, rocker arm bonnet and cam cover.These traditional valve covers are by metallic material, make such as steel, magnesium or aluminium.In recent years, in order to reduce cost and weight, valve cover is processed by thermoset plastic material or thermoplastic material, these materials can tolerate higher ambient temperature, such as, U. S. Patent 5,492,086, U. S. Patent 5,375,569, U. S. Patent 5,746,168, U. S. Patent 5,363,759.Usually, valve cover be by bolt on cylinder head, thereby be installed on the motor.Open for the engine components with inside seal with external environment is isolated, and with machine oil and gas sealing therein, between cylinder head and valve cover, be provided with liner.
People know, and some plastic materials creep can take place being exposed to high temperature, high pressure following time.This makes becomes the problem that people pay close attention to thermoplastic material as valve cover, especially when the thermoplastic material as valve cover is bolted to its position tightly.Usually, the machanical fastener of application extruding valve cover and liner can make this creep more serious.U. S. Patent 5,365,901 have disclosed a kind of solution to this problem.The present invention discloses: use a kind of low creep material and make flange, use bolted-on on cylinder head flange, wherein, valve cover is locked on this flange with machinery type or chemical mode.
The problem that existing valve cover exists is that it is assembled on the motor is a labor intensive, needs expensive mechanical erection unit, such as bolt and tapped hole.Adopt tapped hole also to need a large amount of machinings and expense.In addition, existing assembling means need be used liner so that seal between valve cover and the cylinder head.This also needs a large amount of work.In addition, creep can be owing to aging take place and break in liner, and this will cause revealing and influence the performance of motor and a large amount of maintenance expenses of needs.
Needed is a kind of without liner and expensive mechanical fixation means, just can be fixed to a kind of valve cover on the motor such as bolt and bolt hole.Also need a kind of engine pack, it has and is fixed on the valve cover that cylinder covers, and wherein this valve cover does not need liner and expensive mechanical fixation means just can be fixed on the cylinder head.Also need a kind of method, just valve cover can be fixed to cylinder by this method without liner and expensive mechanical fixation means and cover.Expensive mechanical fixation means herein refer to valve cover is installed to mechanical means on the cylinder head, and it needs expensive component, a large amount of labour force and expensive machining or assembling.
Summary of the invention
The present invention is a valve cover elements, and it comprises a valve cover, and wherein this valve cover has the matching surface on the cylinder head that is suitable for being installed to internal-combustion engine, and this cylinder head has a bonding limit at its matching surface periphery.Valve cover does not preferably adopt and is fit to valve cover is installed in its locational bolt hole.This binder is preferably the binder (cure-on-demand adhesive) that solidifies when needed that is suitable for valve cover is installed to its position.
Another embodiment of the invention is an engine pack, it comprises one or more valve covers, these valve covers preferably do not adopt and are fit to valve cover is installed in its locational bolt hole, wherein, each valve cover has a matching surface, also comprise one or more cylinder head, wherein have on each cylinder head and be suitable for the matching surface that matches with the matching surface of valve cover that wherein each valve cover is bonded on the cylinder head by binder along this matching surface.The continuous horizon of binder is placed on the matching surface between each valve cover and the cylinder head, and each cylinder head is bonded on the corresponding cylinder head.The continuous horizon of binder has formed the sealing between each valve cover and the cylinder head.
Another embodiment of the present invention is that valve cover is bonded to a kind of method on the cylinder head, and it comprises:
A) for cylinder head and valve cover, wherein each valve cover and cylinder head have the matching surface that is suitable for cooperating, and apply a continuous bonding limit on the matching surface of this cylinder head or valve cover;
B) matching surface of valve cover is contacted with the matching surface of cylinder head, make continuous bonding limit place between cylinder head and the valve cover;
C) binder is solidified, form lasting bondingly between valve cover and cylinder head, wherein, this binder forms a sealing layer between valve cover and cylinder head.
The invention provides valve cover is assembled into a kind of method on the motor, it does not need expensive mechanical erection unit, does not need liner, or the matching surface of valve cover or cylinder head is carried out special disposal.The present invention can obviously reduce the needed a large amount of labour forces of original assembled engines.And the present invention does not need liner or valve cover exerted pressure when assembled engines it is remained on its position.
Description of drawings
Fig. 1 is for showing the exploded perspective view of an existing valve cover cylinder head assembly.
Fig. 2 is for showing the exploded perspective view according to a valve cover cylinder head assembly of the present invention.
Fig. 3 is the partial sectional view of the exploded perspective view of a valve cover cylinder head assembly of demonstration.
Fig. 4 is for showing the undecomposed sectional view of this valve cover cylinder head assembly.
Fig. 5 shows the valve cover with valve.
Fig. 6 shows the partial sectional view of the sealing cover of valve on the valve cover shown in Figure 5.
Fig. 7 demonstration is installed to the laterostigmatal another kind of method of valve cover shown in Figure 5 with a sealing cover.
Fig. 8 shows two-part valve cover.
Fig. 9 shows the exploded perspective view of hood and two-part valve cover.
Figure 10 display application binder bonds to two-part valve cover on the cylinder head.
Embodiment
The term of Ying Yonging " valve cover " comprises following term herein: valve cover, cam cover, rocker arm bonnet and valve mechanism cover.Valve cover is meant and is installed on the cylinder head protection cylinder and internal engine parts, makes it can be owing to not being exposed to external environment condition and being damaged, and holds the machine oil of motor and the cover of waste gas.The valve cover that is adopted among the present invention can be the Any shape and the size that can satisfy required function.This valve cover can be by any current material manufacturing that is generally used for valve cover, for example metal, plastics or plastic base composite material.Preferable material comprises steel, aluminium and magnesium.Plastic base composite material can be thermosetting plastics or thermoplastic.Plastic-based materials can be strengthened with common reinforcing material, for example glass fibre.In the useful thermosets, mainly contain epoxy, polyester, divinylbenzene and dicyclopentadiene resin.Preferred thermoplastic material mainly contains polybutylene, terephthalate, Polyetherimide, polyphenylene ether/polyamide resin, polyethersulfone resin, polyether-ether-ketone resin, liquid crystal polymer, polyarylsufone resin, polyamide-imide resin, the adjacent diformamide of polyphenyl, nylon 6,6 and nylon 6/poly amide resin, polypropylene, syndiotactic polystyrene, and their mixture.Thermoplastic material is preferably the mixture of nylon 6,6 or nylon 6 and syndiotactic polystyrene.For example, the U. S. Patent 60/263 of the common transfer that January 24 calendar year 2001 of reference herein submits to, the content of being announced among the 954-" have the sclerosis of advantageous property after polymeric blends (Toughened Polymer Blends With Improved Properties) ".Can contain common additives for example glass fibre, mineral substance and impact modifier in these resins.From the viewpoint of cost performance balance, preferred thermoplastic resin is nylon 6,6 and nylon 6/poly amide resin, syndiotactic polystyrene and their mixture.In the various materials that are fit to the manufacturing valve cover, preferentially select plastic material for use, this is because plastic material is lighter than metal usually, and than metal bigger design flexibility is arranged.
This valve cover adopts the binder synthetic to bond on the cylinder head.Can adopt any binder that after curing, can bear the residing working condition of motor car engine.These binders preferably do not take place to decompose or peel off when temperature is higher than 280 °F (138), more preferably are being higher than 290 °F (143 ℃), even preferably are being higher than 320 °F (160 ℃), do not take place when most preferably being higher than 375 °F (191 ℃) to decompose or peel off.
And binder must be able to tolerate under the temperature and pressure that above-mentioned internal combustion engines can reach and be exposed to hydrocarbon material, machine oil, calcium chloride, brake fluid, cooling liquid 1, the 2-ethylidene glycol, and in the windshield rinser solvent.This binder must be bonding with the material of making valve cover, also must with the material of preparing to make cylinder head, for example cast iron, that aluminium closes magnesium is bonding.Used binder is a kind of construction adhesive, and it has enough bonding strengths makes valve cover remain on its position in normal operation.Measure according to the D3165-91 of American society association (ASTM) shear mode, or the binder intensity of measuring down according to the tension mode of the 4th kind of pattern of ASTM D638 is preferably 250 pounds/inch
2(1724 kPas) or bigger, more preferably 500 pounds/inch
2(3447 kPas) or bigger, especially preferred 1000 pounds/inch
2(6895 kPas) or bigger.Used binder can adopt various known mechanisms to be cured, and comprises that heat cure, infrared ray cured, ultraviolet curing, chemosetting, solvent loss and humidity solidifies.In another embodiment, this binder can be a kind of binder (cure-on-demand adhesive) that solidifies when needs solidify, and it needs other operation to make binder begin to solidify.In one embodiment, it solidifies by a capsule that curing agent is housed is broken when needs solidify and realizes.In another embodiment, it solidifies by removing protective film and binder is exposed in the external environment condition realize.Binder is exposed to heat, infrared rays or ultraviolet light sources, or in the shearing force, then it begins to solidify.The acrylic adhesive system that preferably a kind of High temp. epoxy resins of this binder, polyamide, mixed polyamide/epoxy resin adhesive, silicone, fluorosilicone, alkyl borane cause, or epoxy novolac/nitrite rubber binder.High temperature adhesive refers to that a kind of can the tolerance is exposed in the said temperature after curing, and can not decompose or from the binder of bottom spalling phenomenon.
This valve cover can be designed to be fit to realize any pattern of its function.The valve cover that the present invention uses has a matching surface that matching surface matches that is fit to cylinder head, so the tight sealing of formation between it under the booster action of binder of these two matching surfaces.Matching surface can adopt any suitable design.For example, these two matching surfaces all are the planes along the whole surface that will cooperate, and also can be tongue piece or analog in a clinch, interlocking portion or the groove.
One embodiment of the invention are one and have the continuous binder limit or the valve cover of thin layer on its matching surfaces.Continuous binder limit described herein or thin layer are meant the limit or the thin layer of the binder formation that is arranged on the matching surface periphery, and the starting end on the end of binder limit or thin layer and binder limit joins.After solidifying, this continuous binder limit or thin layer can between valve cover and cylinder head, form the sealing layer of preventing gas and liquid.This effect makes binder limit or thin layer replace liner and as the seal arrangement between valve cover and the cylinder head.Binder can be coated on the valve cover near with the cylinder head contact position near, also can be coated on the distance position far away with the cylinder head contact position." far away " used herein both comprised that the time also comprised the position, also can refer to one of them.In this embodiment, apply binder in distance and cylinder head contact position position far away and must adopt the binder that when needs solidify, solidifies.
In one embodiment, this valve cover can comprise a mechanical fastening device of one with it, and its correct position that is suitable for valve cover is remained on the cylinder head solidifies up to binder.The mechanical fastening device of the one with it of Ying Yonging is meant a kind of simple mechanism herein, and it can solidify up to binder in the short period valve cover and cylinder head being kept together relatively.This device is designed to not play a part connected element when engine operation." one with it " is meant that this securing means is the part of this valve cover or cylinder head, also may be both parts.The example of this securing means includes spring clip, interlock retention mechanism, screw and the bolt of one with it.This securing means can be positioned at along the key position on valve cover and cylinder head mating face, also can arrange along the mating face of whole valve cover and cylinder head.In a preferred embodiment, this mechanical fastening device is an interlock securing means.This mechanical fastening device is preferably placed at the inside part of valve cover and cylinder head, and inboard wherein is the inboard of the gentle door cover of mean engine.So preferably owing to can not see this securing means in the outside of motor.In another embodiment, this valve cover can stretch out a column or projection from its matching surface, and it is suitable for guiding valve cover or makes valve cover keep appropriate matching relationship along its matching surface and cylinder head.In some embodiments, cylinder head can have a suitable breach that matches (indentation) or a groove that works with this column or projection one, assists this valve cover and cylinder head to keep appropriate location.In another embodiment, this valve cover can comprise one or more bolts and bolt hole, and other effect beyond it is used to install is for example located or other part is installed on the valve cover.In some embodiments, this bolt or screw can have a recessed tapped hole that matches on cylinder head.The main effect of this bolt and screw is that peripheral component is installed on this valve cover.In some embodiments, the valve cover design has the laterostigmatal liner that is installed to valve cover with sealed air valve.In some embodiments therein, valve is used to peripheral component is embedded into the valve cover district, for example spark plug or spark coil.For the ease of maintenance and replacement peripheral component, adopted a liner, this is because easy dismounting of binder sealing and installation after the curing of liner ratio.Can adopt a bolt or screw to make peripheral component remain on the appropriate location of valve.This bolt or screw can be exerted pressure to the liner of the valve on the sealed air valve cover.
Another embodiment of the present invention is an engine pack, and valve cover wherein described herein is adhered on the cylinder head by being coated in the binder between this valve cover and the cylinder head.Binder is continuous limit or thin layer shape, makes it form sealing along the whole junction point between this valve cover and the cylinder head.Because adopt the bonding and plasticity valve cover of binder, this engine pack can make this valve cover serve many purposes, and therefore, can have other parts and function on this valve cover and the engine pack.
Valve cover of the present invention can also comprise one or more valves that lead to cylinder head.Valve is the aperture that passage is provided on the valve cover.In order to play suitable effect, each valve must have a device that can cover and seal this port hole.In a preferred embodiment, valve is covered by a lid, this lid with valve cover sealing with avoid or when obviously reducing engine running gas reveal from this valve cover.It should be noted that to reduce to reveal and be meant that most of gas, the liquid that can be revealed will can not revealed under the situation that does not have sealing.This valve can be to satisfy this requirement and make this valve cover keep the Any shape and the size of sealing in working order down when needs provide passage.This valve can comprise the top of whole valve cover, and wherein the lid of this valve is the top of valve cover.In this embodiment, the remaining part of this valve cover is installed to by any way in this top, and this mode makes between the remaining part of this lid and this valve cover and forms sealing.In one embodiment, this valve or lid have a chimb, and the other parts of the periphery of valve or lid and lid or valve have a groove that cooperates with this chimb, form sealing when this chimb and this groove fit.This chimb and groove can comprise a device that makes chimb and groove keep or lock together.In another embodiment, one or more valves can be littler, and lid can be the Any shape that valve is sealed as requested.In one embodiment, corresponding each cylinder of this valve cover has a valve.This covers has a tapped hole on cap (cap), itself and laterostigmatal screw-thread fit, and this valve has outside thread on cap.This cap can also be with sealing means by any installation method, and such as a kind of device that has projection on valve, this device makes the lid with fit be installed on the valve, and it is by tightening the locking installation with groove and this projection.Adopt screw type or tighten under the situation of cap of locking, valve is preferably outstanding so that the installation facility of lid for example is outside thread top or lockup device from the valve cover.This valve cover can select to comprise one or more recesses, and this recess has the internal thread with the threads engaged that covers.
The laterostigmatal lid of valve cover or valve cover also can be in conjunction with other functional devices of working with motor.Any can placing on the valve cover, the device of carrying out its necessary function can be installed to covering of valve cover or valve.The device that is combined as a whole with valve cover or valve cap for example has coil, positive crankcase ventilation (PCV) (positive crankcase ventilation, PCV) system, fuel oil track and oil nozzle.Under the situation with coil, PCV system and oil nozzle, each cylinder preferably has a valve and the device that is connected or is installed to the device that is connected on the valve cover.Valve cap can be made by any be exposed material of situation of valve cover of can handling.Valve cover and valve cap are preferably made by identical materials.
In preparing the engine pack process,, binder is coated on valve cover or the cylinder head by making binder with having mode contact matching surface now to form continuous limit or thin layer.Binder can be to be coated onto, to brush or similar approach is coated on this surface with extruding.Binder preferably is coated on the matching surface of valve cover.In a preferred embodiment, binder applies into continuous limit or thin layer along the matching surface of valve cover.Binder can be just valve cover with apply before cylinder head contacts, or be coated on the bonding location position far away that bonds to cylinder head apart from valve cover, or when this bonding operation is more early, carry out bonding.Just in valve cover and the embodiment that applies before cylinder head contacts, can adopt any binder that satisfies performance standard defined above at binder.Be coated in a position far away or the embodiment of time early at binder, can adopt the suitable binder that solidifies when needed.The binder that solidifies when needing is placed in the certain condition, thereby solidify when needed valve cover and cylinder head is bonded together, and forms a sealing layer between them.This condition can be applied to cylinder head contact with valve cover before or the contact after.Which kind of operation those skilled in the art with medium level can determine to adopt make binder solidify and when carry out this operation fully.In one embodiment, this operation is the fixing operation in automobilism or the assembling process.
In another embodiment, valve cover can comprise an acoustic management system of one with it, and its purpose of design can not spill from engine compartment for avoiding the existing natural noise of internal combustion engine operation.In one embodiment, valve cover can comprise two-part, and a part is a shell, and another part is corresponding inner casing, and this inner casing is positioned at this shell, and a space is arranged between them.Air can only be equipped with in this space, and it can suppress certain wavelength of sound, to reduce the passing to outer noise of motor.This space can select to be filled soundproof material such as, regeneration rubber cushion, non-pulvinus, tartan or the foamed material of spinning.In another embodiment, this valve cover surface is within it gone up a bonding quieter material such as synthetic rubber or foam.
In another embodiment, valve cover of the present invention portion or outside within it comprises a coating layer or thin layer, and its effect is to strengthen the barrier performance energy of valve cover to hydrocarbon.This coating layer or thin layer can reduce the unsettled hydrocarbon that automobile gives out.Can adopt any coating or thin layer that can stop hydrocarbon to give out from this valve cover.A kind of preferred coating layer is the silicon carbide based on the plasma deposited coating, please refer to the U. S. Patent 5,298,587 of this place reference; 5,320,875; 5,433,786; 5,494, described in 712.
In order more clearly to illustrate the present invention, below accompanying drawing is described.Accompanying drawing is used for illustrating the present invention and is not the scope that is used for limiting its claim.Fig. 1 is for showing the exploded perspective view of existing valve cover cylinder head assembly, and it shows three major components: cylinder head 10, liner 11 and valve cover 12.Fig. 1 illustrates liner 11 and is arranged between cylinder head 10 and the valve 12, cylinder head has one group of mach tapped hole 13, it is suitable for admitting one group of bolt 14, make bolt 14 on the cylinder head 10 and tapped hole 13 go up in place valve cover is fixing, liner 11 is installed between cylinder head and the valve cover.Mach tapped hole 13 has mach screw thread so that bolt 14 remains on appropriate position.Valve cover 12 and liner 11 have one group of tapped hole (label is respectively 17 and 18), and it aims at the machined threads hole 13 on the cylinder head 10 respectively.Bolt 14 passed pad 15 and packing ring 16 before the tapped hole 17 and 18 that passes on the valve cover 12, pass liner 11 then, was screwed into the machined threads hole 13 on the cylinder head 10.As shown in FIG., this valve cover 12 is fixed to needs a large amount of bolt 14 on the cylinder head 10.The effect of bolt 14 is that compressed against gasket 11 is with the enhanced leaktightness effect.The assembly of cylinder head 10 and valve cover 12 needs a large amount of machining and labour force.
Fig. 2 is for showing the exploded perspective view of cylinder head valve cover elements.Cylinder head 20 shown in the figure and valve cover 21 have a continuous binder limit 22 between them.This valve cover 21 has the interlock fixing clamp 23 of one with it, and when solidified on binder limit 22, it was fit to valve cover 21 is fixed on appropriate position on the cylinder head 20.Cylinder head 20 has the engages indentation 24 that matches with interlock fixing clamp 23, and it is admitted interlock fixing clamp 23 and goes up in place valve cover 21 is fixing.Show also among the figure that the matching surface 25 of cylinder head is fit to match with the matching surface (not shown) of corresponding valve cover.
Fig. 3 is the part sectioned view that shows the exploded perspective view of valve cover 21 and cylinder head 20.The partial view that this exploded perspective view shows cylinder head 20, valve cover 21 and places their middle binder limits 22.Binder limit 22 is between the matching surface 26 of the matching surface 25 of cylinder head and valve cover.Cylinder head 20 has the breach 24 that an interlock fixing clamp 23 suitable and on the valve cover 21 cooperates.
Fig. 4 is the undecomposed part sectioned view that shows valve cover 21 and cylinder head 20.Cylinder head 20 is bonded to by a continuous binder limit 22 along the matching surface 26 of the matching surface 25 of cylinder head and valve cover with valve cover 21 among the figure.It is one with valve cover 21 that interlock fixing clamp 23 also is shown among the figure, cooperates with breach 24 on the cylinder head 20 to make it remain on appropriate position.This interlock fixing clamp 23 is in the inboard of the assembly of this valve cover 21 and cylinder head 20.This is suitable for consideration attractive in appearance.
Fig. 5 shows that one has the valve cover 30 of valve 31, has flange 32 on this valve, and its purpose of design is to seal this valve cover with sealing cover 33 actings in conjunction.Fig. 6 shows the partial sectional view of this flange 32 and corresponding sealing cover 33.Valve 31 also is shown among the figure.Fig. 6 illustrates an interlock fixing clamp, and it has recessed breach 34 in flange 32 outsides, and it is suitable for admitting the projection 35 on the sealing cover 33.Breach 34 and projection 35 are arranged on the whole circumference of flange 32 and sealing cover 33, are combined together between flange 32 and sealing cover 33 and form sealing layer, thereby the inside of valve cover 30 and external isolation are opened.Fig. 7 shows that another is installed to method on the valve cover 30 with sealing cover 33.Flange 32 has an outside thread 37, and it is suitable for admitting the internal thread 36 on the sealing cover 33.Sealing cover 33 is screwed on the flange 32, makes the valve 31 of valve cover 30 be isolated from the outside out.
Fig. 8 shows two-part valve cover 40, and its top 41 can separate with bottom 42 and makes it possible to the engine components of packing into.Fig. 9 shows the exploded perspective view of two-part valve cover 40 and hood 43.The top 41 that shows valve cover 40 among the figure has a shrinkage pool 45, and it is on the whole periphery on top 41 of valve cover 40, is suitable for admitting the projection 44 of the bottom 42 of valve cover 40.Projection 44 is peripheral outstanding by the bottom 42 of valve cover 40.Shrinkage pool 45 has breach 46, and it is perpendicular to the breach of shrinkage pool 45, just admits the vertical projections 47 on the projection 44 of bottom of valve cover 42.Vertical projections 47 is perpendicular to projection 44.The effect of breach 46 and vertical projections 47 is that the top 41 with valve cover 40 locks on the bottom 42 of valve cover 40.The zone 47 that applies binder also is shown among the figure.Figure 10 illustrates with binder 49 and bonds to two-part valve cover 40 on the hood 43.Figure 10 also illustrates the top 41 and the bottom 42 of the valve cover 40 that fits together, and the projection 44 of its middle and lower part 42 is installed in the shrinkage pool 45 on top 41, and by locking in the breach 46 that the vertical projections on the projection 44 47 is snapped in shrinkage pool 45.
Claims (12)
1. a valve cover elements comprises a valve cover, and it has a matching surface on the cylinder head that is suitable for being installed to internal-combustion engine, is coated with a continuous binder limit on the periphery of the matching surface of this valve cover.
2. valve cover elements as claimed in claim 1, wherein, it is that this valve cover is fixed to tapped hole on the cylinder head that this valve cover elements does not have main effect.
3. valve cover elements as claimed in claim 1 or 2, wherein, this binder is a kind of binder that solidifies when needed.
4. as wherein arbitrary described valve cover elements of claim 1 to 3, wherein, this valve cover is made by plastic material.
5. as wherein arbitrary described valve cover elements of claim 1 to 4, wherein, this valve cover also comprises the device of one or more one with it, and it is used for when binder solidifies this valve cover being fixed on the correct position of cylinder head.
6. as wherein arbitrary described valve cover elements of claim 1 to 5, wherein, this valve cover also comprises the valve of one or more conductings, and it is suitable for dismantling this valve cover just can enter cylinder head, and one or more device that covers and seal the valve of these one or more conductings.
7. valve cover elements as claimed in claim 9, wherein, one or more devices that cover and seal the valve of these one or more conductings also comprise a coil, PCV system parts, fuel oil track or similar device.
8. engine pack, it comprises one or more as arbitrary described valve cover and one or more cylinder head in the claim 1 to 7, has the matching surface that matching surface suitable and on this valve cover matches on this cylinder head, wherein, between the matching surface of each valve cover and bonding with it cylinder head, be coated with a continuous adhesives layer, wherein, continuous adhesives layer forms sealing layer between each matching surface to valve cover and cylinder head, make each to the gas between valve cover and the contacted matching surface of cylinder head, the leakage of liquid obviously reduces or avoids.
9. one kind bonds to method on the cylinder head with valve cover, comprises
A) for valve cover or cylinder head as claim 1 to 7, wherein this valve cover has a matching surface, it is fit to cooperate with the matching surface of cylinder head, applies continuous a binder limit or a thin layer that applies along the whole matching surface of this valve cover or cylinder head;
B) matching surface of valve cover and the matching surface of cylinder head are contacted, like this, continuous binder limit or thin layer just are between the matching surface of valve cover and cylinder head;
C) binder is solidified, form bondingly lastingly between the matching surface of valve cover and cylinder head, wherein this binder forms a sealing layer between valve cover and cylinder head.
10. method as claimed in claim 9, the binder that solidifies when wherein this binder is a kind of the needs, and binder limit and this valve cover matching surface position contacting are far away apart from this valve cover and this cylinder head position contacting.
11. a valve cover comprises a kind of plastic material with one or more valves, has the sealing cover that can pull down from this valve cover on this valve.
12. valve cover as claimed in claim 11, wherein, PCV system parts are installed on each sealing cover, coil or fuel oil track, wherein, when this valve cover and sealing lid fits together, these PCV system parts, coil or fuel oil track are in this valve cover inside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26257001P | 2001-01-18 | 2001-01-18 | |
| US60/262,570 | 2001-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1650100A true CN1650100A (en) | 2005-08-03 |
Family
ID=22998069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA028035038A Pending CN1650100A (en) | 2001-01-18 | 2002-01-17 | Adhesively bonded valve cover cylinder head assembly |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20020112684A1 (en) |
| EP (1) | EP1354130A1 (en) |
| JP (1) | JP2004525291A (en) |
| KR (1) | KR20040014449A (en) |
| CN (1) | CN1650100A (en) |
| BR (1) | BR0206715A (en) |
| CA (1) | CA2435318A1 (en) |
| MX (1) | MXPA03006435A (en) |
| RU (1) | RU2003125279A (en) |
| WO (1) | WO2002057611A1 (en) |
Cited By (3)
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| CN103423017A (en) * | 2012-05-17 | 2013-12-04 | 通用汽车环球科技运作有限责任公司 | Sealed T-joint assembly |
| CN107524520A (en) * | 2017-08-18 | 2017-12-29 | 奇瑞汽车股份有限公司 | The denoising structure of fuel injector |
| CN114263669A (en) * | 2021-12-27 | 2022-04-01 | 中铭谷智能机器人(广东)有限公司 | Hidden-button screw locking device and locking method |
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| US6913498B1 (en) * | 2003-11-13 | 2005-07-05 | Brunswick Corporation | Marine propulsion system with a polymer composite oil sump structure |
| DE102004010617B4 (en) * | 2004-03-02 | 2008-04-24 | Aktiebolaget Skf | Connection between an elastomeric part and a component and method for establishing the connection |
| KR20070056135A (en) | 2004-09-01 | 2007-05-31 | 다우 글로벌 테크놀로지스 인크. | Adhesion promoter |
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| US20070074696A1 (en) * | 2005-10-05 | 2007-04-05 | Obidi T Y | Alignment feature for casting and method |
| DE102005048953B4 (en) * | 2005-10-13 | 2010-02-25 | Woco Industrietechnik Gmbh | Two-component cylinder head cover |
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| EP3080432B1 (en) * | 2013-12-13 | 2018-11-07 | Volvo Truck Corporation | Cover of an internal combustion engine assembly having a common rail, engine assembly and automotive vehicle including such a cover |
| US20160319770A1 (en) * | 2015-04-29 | 2016-11-03 | Electro-Motive Diesel, Inc. | Valve cover assembly |
| JP6671224B2 (en) * | 2016-04-14 | 2020-03-25 | 株式会社マーレ フィルターシステムズ | Seal structure of internal combustion engine |
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2002
- 2002-01-17 CA CA002435318A patent/CA2435318A1/en not_active Abandoned
- 2002-01-17 MX MXPA03006435A patent/MXPA03006435A/en not_active Application Discontinuation
- 2002-01-17 CN CNA028035038A patent/CN1650100A/en active Pending
- 2002-01-17 WO PCT/US2002/001337 patent/WO2002057611A1/en not_active Application Discontinuation
- 2002-01-17 BR BR0206715-3A patent/BR0206715A/en not_active IP Right Cessation
- 2002-01-17 RU RU2003125279/06A patent/RU2003125279A/en not_active Application Discontinuation
- 2002-01-17 EP EP02704160A patent/EP1354130A1/en not_active Withdrawn
- 2002-01-17 JP JP2002557654A patent/JP2004525291A/en not_active Withdrawn
- 2002-01-17 KR KR10-2003-7009460A patent/KR20040014449A/en not_active Application Discontinuation
- 2002-01-17 US US10/051,417 patent/US20020112684A1/en not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423017A (en) * | 2012-05-17 | 2013-12-04 | 通用汽车环球科技运作有限责任公司 | Sealed T-joint assembly |
| CN103423017B (en) * | 2012-05-17 | 2016-06-08 | 通用汽车环球科技运作有限责任公司 | The T junction assembly sealed |
| CN107524520A (en) * | 2017-08-18 | 2017-12-29 | 奇瑞汽车股份有限公司 | The denoising structure of fuel injector |
| CN114263669A (en) * | 2021-12-27 | 2022-04-01 | 中铭谷智能机器人(广东)有限公司 | Hidden-button screw locking device and locking method |
Also Published As
| Publication number | Publication date |
|---|---|
| BR0206715A (en) | 2004-02-17 |
| RU2003125279A (en) | 2005-01-10 |
| WO2002057611A1 (en) | 2002-07-25 |
| JP2004525291A (en) | 2004-08-19 |
| US20020112684A1 (en) | 2002-08-22 |
| KR20040014449A (en) | 2004-02-14 |
| EP1354130A1 (en) | 2003-10-22 |
| CA2435318A1 (en) | 2002-07-25 |
| MXPA03006435A (en) | 2004-05-24 |
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