EP1148222B1 - Drosselklappenstutzen mit einer mittels einer Axialsicherung gesicherten Drosselklappenwelle sowie Verfahren zur Herstellung einer solchen Axialsicherung - Google Patents
Drosselklappenstutzen mit einer mittels einer Axialsicherung gesicherten Drosselklappenwelle sowie Verfahren zur Herstellung einer solchen Axialsicherung Download PDFInfo
- Publication number
- EP1148222B1 EP1148222B1 EP01107430A EP01107430A EP1148222B1 EP 1148222 B1 EP1148222 B1 EP 1148222B1 EP 01107430 A EP01107430 A EP 01107430A EP 01107430 A EP01107430 A EP 01107430A EP 1148222 B1 EP1148222 B1 EP 1148222B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- throttle
- valve shaft
- throttle valve
- axial
- securing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1035—Details of the valve housing
- F02D9/106—Sealing of the valve shaft in the housing, e.g. details of the bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/107—Manufacturing or mounting details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/02—Light metals
- F05C2201/021—Aluminium
Definitions
- the invention relates to a throttle valve assembly with a Housing in which a through throttle opening is formed, the can be closed by a throttle valve arranged on a throttle valve shaft is, the throttle valve shaft with its lateral ends protrudes in bearing recesses of the housing and is rotatably supported, wherein one end of the throttle valve shaft on that facing away from the throttle valve Side of the bearing recess out and a hole in one Extends through the holding element that is axially immovable on the throttle valve shaft arranged and axially facing away from the throttle valve shaft Mouth area of the bearing recess supported on the housing is.
- It also relates to a method for producing a Axial lock for a throttle valve shaft in a throttle valve assembly comprising a housing in which a continuous throttle opening is arranged by a arranged on a throttle valve shaft Throttle valve is closable, the throttle valve shaft with its lateral ends in bearing recesses of the housing and rotatable is mounted, with one end of the throttle valve shaft on that of the throttle valve out the opposite side of the bearing recess and a hole protrudes through a holding element which is axially immovable on the Throttle valve shaft arranged and axially in that facing away from the throttle valve Mouth area of the bearing recess supported on the housing is.
- Throttle body used to control the amount of fresh gas in a motor vehicle.
- throttle body a housing with a throttle opening and one in the throttle opening arranged throttle body.
- the throttle body takes for the Passing a certain amount of fresh gas in a certain position the throttle opening.
- the throttle element is mechanical or electronically controllable.
- the throttle element usually comprises a throttle valve, which is on a Throttle valve shaft is arranged.
- the throttle valve shaft in turn is rotatably mounted in the housing of the throttle valve assembly.
- Throttle valve shafts usually have components that could be damaged an axial lock.
- the axial locks for throttle valve shafts can be divided into two groups split.
- a slot is usually made in the Shaft inserted into which a securing component engages, which is rigid or loose is connected to the housing of the throttle valve assembly. hereby the throttle valve shaft will position with some play held in the throttle body.
- this proves disadvantageous Slot or the notch in the throttle shaft, which is the mechanical Resilience of the throttle valve shaft is particularly reduced.
- a securing element is usually applied to the shaft.
- These are often plastic elements that affect the Throttle valve shaft can be sprayed on or glued on. Alternatively, you can but also metal elements shrunk onto the throttle valve shaft, be pressed on or glued on.
- the on the throttle valve shaft applied elements are usually freely rotatable in the The throttle body is arranged with a certain clearance, limiting the freedom of movement in the axial direction by means of suitable securing means. This can be done on the throttle valve shaft applied element to one side, for example through a bearing firmly connected to the throttle valve shaft, for example a deep groove ball bearing, and to the other direction by one Stop axially limited.
- Game of the axial lock is not particularly fine adjustable. This is because the material tolerances and manufacturing tolerances of the slot and the in the respective slot-engaging component on the one hand and on the other hand in the material and manufacturing tolerances of the applied to the shaft Axial locking element.
- the invention is therefore based on the object of a throttle valve assembly of the type mentioned above, its throttle valve shaft is secured in the housing by means of an axial lock, which is special stable against axial and radial vibration loads and at the same time is particularly finely adjustable. Furthermore, a method of manufacture is said to be an axial lock for a throttle valve shaft in a housing Throttle body are specified, the axial lock particularly stable against axial and radial vibration loads and is particularly finely adjustable at the same time.
- the object is achieved according to the invention solved in that the holding element on its radially outer Area is firmly connected to the housing and at its bore area axially on each side on an approximately annular disk-shaped securing element is in plant, with the securing elements firmly on the Throttle valve shaft are arranged and the throttle valve shaft free Rotatably extends through the bore of the holding element.
- the invention is based on the consideration that an axial lock for a throttle valve shaft, which is particularly stable against radial and axial Vibration loads should be the material of the throttle valve shaft should only be used to a particularly small extent. Therefore one should Slit or similar damage to the throttle valve shaft is unnecessary be to a particularly high radial vibration load of the To ensure throttle valve shaft.
- the latter is usually only in particularly low mass of a thermal and / or mechanical Exposed to stress.
- the connection between the throttle valve shaft and the element mounted on the throttle valve shaft particularly stable not only against pressure but above all especially be stable against tensile loads.
- a special stability of the Connection between the throttle valve shaft and that on the throttle valve shaft then applied element against tensile loads not required if the connection is almost exclusively pressure and exposed to only a particularly small amount or no tensile loads at all is.
- the connection between the throttle valve shaft and the element applied to the throttle valve shaft is then almost free of Tensile loads when the tensile load of the axial lock away from the Connection and towards the support of the axial lock on the housing of the throttle valve body is shifted.
- This will be a first and a second securing element of the axial securing device on the throttle valve shaft attached that each securing element for only one Pressure, however, is subjected to almost no strain.
- a holding element is arranged, at least can be supported in a region on a holding device of the housing is.
- the holding element is advantageously fixed by means of securing means connected to the housing.
- a firm connection between the holding element and the housing ensures that the Securing elements arranged on both sides of the holding element exclusively exposed to pressure and almost no tensile stress are. Because with a pressure load one of the two securing elements the other securing element does not become a tensile load exposed because the tensile load on the holding element on the housing is transmitted, the other securing element being free of a pressure and tensile load.
- the securing means are advantageous Screws because the holding element in a particularly simple manner to be attached to the housing by means of one or more screws. For this the holding element has corresponding bores through which the Screws are inserted before the screws are firmly attached to the housing be screwed.
- the first securing element as well as the second securing element advantageously have an axial inner surface and an axial outer surface on, the axial inner surfaces of the securing elements are each facing the holding element and the securing elements each with its throttle valve shaft on its axial outer surfaces are connected. Because the tensile loads when operating the axial lock of the first and the second securing element from the fixed holding element connected to the housing of the throttle valve assembly intercepted, it proves a one-sided attachment of the securing elements on the throttle valve shaft as sufficient. hereby the manufacturing effort for the axial securing of the throttle valve assembly is reduced.
- the first approximately annular disk-shaped securing element is advantageous and the second approximately annular disk-shaped securing element each with at least one of their axial outer surfaces Welded connection firmly connected to the throttle valve shaft.
- the Weld connection can be, for example, as a weld seam, in particular Laser weld seam, be formed and individual points or lines have or also form a closed line.
- welding especially laser welding, is used in the production of the connection a particularly small amount on the throttle valve shaft Transfer heat, which makes the throttle valve shaft particularly low Mass is thermally stressed.
- the bore of the first is approximate ring-shaped securing element and the second approximately ring-shaped securing element only with a certain Match the throttle valve shaft so that between the bore diameter of the respective approximately annular disk-shaped securing element and the throttle valve shaft always has an annular gap.
- This radial annular gap is ideally particularly small in order to ensure that the approximately ring-shaped securing elements sit particularly precisely on the throttle valve shaft.
- the welded joint can also extend into the annular gap between the first or the second approximately ring-shaped Securing element and the throttle valve shaft extends.
- the first or second approximately ring-shaped securing element should, however predominantly in the area of its axial outer surface with the throttle valve shaft be connected so that the connection when operating the Axial securing only pressure and almost no tensile loads is exposed.
- the housing of the throttle valve body is advantageously made of one first material and the throttle valve shaft from a second material made, the first material one of the second material has different coefficients of thermal expansion.
- the first material is aluminum and the second material is stainless steel.
- Different housing materials and the throttle valve shaft with different thermal expansion coefficients can be combined particularly well if the game of Axial lock is particularly fine adjustable.
- Throttle body are for example, in motor vehicles, temperatures down to -40 ° C on the one hand and on the other hand temperatures of up to 100 ° C when operating the Throttle body exposed. Changes in shape of the housing and the throttle valve shaft due to different coefficients of thermal expansion of the respective materials can be special Compensate the finely adjustable axial lock particularly reliably.
- the object is achieved in that a first and a second approximately ring-shaped securing element each arranged by means of a hole on the throttle valve shaft be, between the two approximately ring-shaped Securing elements, the holding element on the throttle valve shaft arranged by means of its bore and on its outer area with the housing is firmly connected, the distance between the first approximately ring-shaped fuse element and the second approximately ring-shaped securing element by means of a Teaching is set, the teaching between the holding element and one of the two securing elements is arranged, and then both the first approximately ring-shaped securing element as well as the second approximately ring-shaped securing element be firmly connected to the throttle valve shaft.
- the arrangement of the approximately ring-shaped securing elements on the throttle valve shaft ensures particularly reliably that these only exposed to compressive loads but not to tensile loads are. Because with a back and forth movement of the throttle valve shaft either the first approximately annular disk-shaped securing element pressed against the holding element and the second approximately ring-shaped Fuse element is almost free of a pressure and / or Tensile load or the second approximately ring-shaped securing element is pressed against the holding element and the first approximately ring-shaped securing element is almost free of a pressure and / or tensile load.
- the distance between the first approximately annular disk-shaped securing element and the second approximately annular disk-shaped securing element is set here by means of an apprenticeship.
- the individual Adjustment of the play of each axial lock ensures particularly reliable, even with a series production of axial locks these all have approximately the same game regardless of manufacturing tolerances have the elements of the axial lock.
- the teaching advantageously has an approximately U-shaped shape.
- a teaching with this form can be particularly easily between the Arrange the holding element and one of the two securing elements and remove again.
- the teaching material should be reliable a change in the form of the teaching can be excluded.
- Both the first securing element and also advantageously have the second securing element has an axial inner surface and an axial one Outer surface, the axial inner surfaces of the securing elements each facing the holding element and both the first approximately ring-shaped securing element as well as the second approximately ring-shaped securing element with its axial External surface firmly welded to the throttle valve shaft get connected.
- a one-sided connection of the securing elements with the throttle valve shaft simplifies the manufacturing process the axial lock and still ensures a particularly long service life the axial lock. Because pressure loads of the respective Securing element are from the one-sided connection of the securing element intercepted with the throttle valve shaft. tensile on the other hand, the securing element is not exposed, since this is from the Holding element intercepted over the housing of the throttle valve assembly become.
- the first approximately annular disk-shaped securing element is advantageous and the second approximately annular disk-shaped securing element each with their axial outer surfaces over a Welded connection firmly connected to the throttle valve shaft.
- the Weld connection should be designed as a weld seam and can have individual dots or lines or a closed one Form a line.
- the welded joint can extend into the gap due to manufacturing tolerances between the first approximately ring-shaped Securing element and the throttle valve shaft or the second approximately ring-shaped fuse element and the throttle valve shaft extends.
- this gap should be of particularly small dimensions be close to a particularly good fit of the first annular disk-shaped securing element and the second approximately annular disk-shaped Securing element on the throttle valve shaft to ensure.
- the first or second approximately ring-shaped Securing element should, however, predominantly in the area of its axial External surface to be firmly connected to the throttle valve shaft the connection when operating the axial lock is only pressure and almost is not exposed to any tensile loads.
- the advantages achieved with the invention are in particular that one against radial and axial vibration loads especially stable axial locking is realized by only three elements, the two with the throttle valve shaft firmly connected approximately ring-shaped Securing elements only pressure - but in no way Tensile loads - are exposed.
- the connection between the one certain play on the throttle valve retaining element and the housing of the throttle valve body can be customized aligned to the respective load of the individual throttle valve shaft become. This causes damage to the axial lock by detaching the holding element from the housing of the throttle valve assembly avoided particularly reliably.
- the axial lock secures the shaft particularly reliably in the housing against radial and axial vibration loads without simultaneously reducing the throttle valve shaft excessive thermal and / or mechanical stress.
- the clearance of the axial securing means of the distance is approximate ring-shaped securing elements can be adjusted particularly finely.
- the throttle valve connector 10 is not for installation in a Motor vehicle shown in detail for adjusting the internal combustion engine amount of fresh gas to be supplied to the motor vehicle is provided.
- the throttle valve assembly 10 comprises a housing 12 and an in the throttle valve shaft secured to the housing 12 by means of an axial lock 14 16.
- the throttle valve shaft 16 protrudes with its lateral ends 18 and 20 in bearing recesses 22 and 24 of the housing and is by means of two bearings 26 and 28 rotatable in the housing 12 of the throttle body 10 stored.
- At one side end 18 is the Throttle valve shaft 16 connected to an actuator 30, via the the throttle valve shaft 16 is rotatable. Additionally or alternatively the throttle valve shaft 16 can be rotated via a spring system 32.
- the throttle valve assembly 10 comprises a continuous throttle opening 34, in which a throttle valve 36 is arranged.
- the throttle valve 36 is fixed to the throttle valve shaft 16 via fastening means 38 connected.
- the axial securing device 14 is shown in detail in FIG. 2.
- the section of the throttle valve connector 10 according to FIG. 2 shows schematically the attachment of the axial lock 14 in the housing 12 of the throttle valve body 10.
- On the throttle valve shaft 16 is the Throttle valve 26 arranged.
- the throttle valve shaft 16 is by means of two bearings 26 and 28 in the housing 12 of the throttle valve assembly 10 stored, of which only the bearing 28 can be seen in Figure 2.
- Throttle valve shaft 16 also projects with its lateral end 20 on the side 40 facing away from the throttle valve 36 from the bearing recess 24 out and protrudes through a bore 42 of a holding element 44, which is associated with the axial securing device 14.
- the axial lock 14 also includes a bore 42 Holding element 44 a first approximately annular disk-shaped securing element 46 and a second approximately annular disk-shaped securing element 48, as well as securing means 50.
- the first approximately ring-shaped fuse element 46 and the second approximately annular disk-shaped securing element 48 are on both sides 52 and 54 of the holding element 44 is arranged.
- the axial inner surface is 56 of the first approximately annular disk-shaped securing element 46 and the axial inner surface 58 of the second approximately ring-shaped Securing element 48 facing the holding element 44.
- the approximate annular disk-shaped securing elements 46 and 48 are with the throttle valve shaft 16 on their respective axial outer surfaces 60 and 62 by means of welded connections 64 and 66 to the throttle valve shaft 16 connected.
- the weld connections designed as laser weld seams 64 and 66 are shown disproportionately large, so that they are visible in Figure 2.
- the welded connections 64 and 66 can extend into the annular gap between the throttle valve shaft 16 and the respective securing element 46 or 48 due to Manufacturing tolerances exist.
- this annular gap should be special turn out to be a particularly high accuracy of fit respective securing element 46 or 48 on the throttle valve shaft 16 to ensure. To indicate that this ring gap is so small as should be possible, it has not been shown in Figure 2.
- the holding element 44 is fixed to the housing via bores 68 and 70 12 of the throttle valve connector 10 connected. Do this through the holes 68 and 70 each securing means 50 designed as screws passed through and screwed tightly with threads 72 of the housing 12. As a result, the holding element 44 is fixed in that facing away from the throttle valve 36 Mouth area 74 of the bearing recess 24 with the housing 12 of the throttle valve connector 10 connected.
- the housing 12 of the throttle valve body 10 is made of aluminum formed first material 76 and the throttle valve shaft 16 made of a second material 78 made of stainless steel.
- the first material 76 formed as aluminum and that formed as stainless steel second material 78 have a significantly different coefficient of thermal expansion on. These different coefficients of thermal expansion cause that when the axial lock 14 with temperature fluctuations in a range of, for example, 110 ° C the first material 76 and the second material 78 expand differently.
- the different dimensions of the first material 76 and of the second material 78 through the play of the axial securing device 14 compensated.
- a throttle valve shaft 16 with an axial lock 14 is shown in FIG Longitudinal section.
- the throttle valve shaft 16 is for installation in the throttle valve connector 10 provided according to Figure 1 and Figure 2, through which the an engine, not shown, of a motor vehicle, also not shown amount of fresh gas to be supplied is adjustable.
- the throttle valve shaft 16 has an axial slot 80 which for Recording of the throttle valve 36, not shown in Figure 3 is provided.
- the throttle valve shaft 16 has two bushings 82 in which fastening means 38 for fastening the throttle valve 36 to be arranged on the throttle valve shaft 16 during the assembly of the throttle valve 36 are.
- the fastening means 38 are not shown in detail in FIG. 3 shown.
- the depressions 84 on the bushings 82 in the area of The outer surface 86 of the throttle valve shaft 16 is provided for the purpose Fastening means 38 approximately flat in the outer surface 86 of the throttle valve shaft 16 insert.
- the axial securing device 14 of the throttle valve shaft 16 approximately comprises the first one ring-shaped fuse element 46 and the second approximately annular disk-shaped securing element 48. Also includes the axial securing device 14 has the holding element 44. The holding element 44 has a first bore 68 and a second bore 70.
- the axial securing device 14 is first the first approximately annular disk-shaped Securing element 46 pushed onto the throttle valve shaft 16.
- the first approximately ring-shaped securing element 46 is at least over its axial outer surface 60 by means of a approximately ring-shaped and designed as a laser weld seam Welded connection 64 to the outer surface 86 of the throttle valve shaft 16 firmly connected.
- the one designed as a laser weld seam Welded connection 64 is an approximately continuous line.
- the first can also be approximately annular Securing element 46 by means of a dotted weld seam or a plurality of lines having welded connection 64 with the Outer surface 86 of the throttle valve shaft 16 are firmly connected.
- the holding element 44 is then placed on the throttle valve shaft 16 pushed, the holding member 44 on the side on the throttle valve shaft 16 is pushed on, the axial outer surface 60 of the facing away from the first approximately annular disk-shaped securing element 46 and the axial inner surface 56 of the first approximately ring-shaped Securing element 46 is facing.
- the holding element 44 becomes rotatable by means of the bore 42 of the holding element 44 on the throttle valve shaft 16 arranged.
- the second becomes approximate annular disk-shaped securing element 48 so on the throttle valve shaft 16 pushed that the axial inner surface 58 of the second approximately annular disk-shaped securing element 48 to the holding element 44 facing and the axial outer surface 62 of the second approximately annular disk-shaped securing element 48 facing away from the holding element 44 is.
- the game between the first approximately annular disk-shaped securing element 46 and the second approximately annular disk-shaped securing element 46 set by means of a teaching, which is not shown in the drawing is shown.
- the teaching here has an approximately U-shaped shape on.
- the welded connections 64 and 66 are not drawn to scale in the drawing. They are in Really much smaller, but are disproportionate for reasons of illustration drawn large in the drawing.
- the welded joints 64 and 66 should predominantly the axial outer surfaces 60 and 62 of the approximately ring-shaped securing elements 46 and 48 connect to the outer surface 86 of the throttle valve shaft 16.
- a certain extent of the welded connections 64 and 66 in the edge areas of the approximately ring-shaped securing elements 46 and 48 can, however, for manufacturing reasons cannot be completely excluded. In particular, it can happen that the welded connections 64 and 66 are in the radial Gap between the respective approximately ring-shaped securing elements 46 and 48 and the outer surface 86 of the throttle valve shaft 16 extend.
- Axial lock 14 shows schematically Figure 4.
- the first approximately ring-shaped fuse element 46 and the second approximately annular disk-shaped securing element 48 each have an axial Outside surface 60 or 62.
- On the other side of the approximate ring-shaped securing element 46 and 48 is the respective arranged axially inner surface 56 or 58.
- the axial inner surfaces 56 and 58 cannot be seen in FIG. 4 since they are shown in FIG Figure 4 are arranged under the axial outer surfaces 60 and 62, respectively.
- the have approximately annular disk-shaped securing elements 46 and 48 each have a bore 88 or 90, each for receiving the throttle valve shaft 16 is provided.
- the holding element 44 has the bore 42 which is used to receive the Throttle valve shaft 16 is provided.
- the holding element 44 is approximately formed in an annular disk shape and has a first approximately ear-shaped area 92 and a second approximately ear-shaped area 94 on.
- the approximately ear-shaped areas 92 and 94 have the Bores 68 and 70 through which the holding element 44 with the housing 12 of the throttle valve connector 10 is to be firmly connected.
- the throttle valve shaft is 16 as part of their game, which is approximately U-shaped Teaching between the first approximately annular disk-shaped securing element 46 and the second approximately annular disk-shaped securing element 48 has been set, movable.
- The moves Throttle valve shaft 16 for example according to FIG. 1 and FIG. 2 right, so the first approximately ring-shaped locking element 46 pressed against the holding element 44.
- the laser weld seam trained weld connection 64 of the approximately annular disc-shaped As a result, securing element 46 only experiences a pressure load, however no tensile load.
- the second is approximately ring-shaped
- securing element 48 does not experience any pulling and / or Pressure load because of the rightward movement of the throttle valve shaft 16 pressure exerted completely by the holding element 44 becomes.
- the throttle valve shaft 16 moves According to FIG. 1 or FIG. 2 to the left, only the laser weld seam experiences trained weld connection 66 of the second approximately annular disk-shaped securing element 48 a pressure load, however no tensile load. The pressure of this left movement will turn completely from that fixed in the housing 12 of the throttle valve body 10 screwed holding element 44 intercepted.
- the approximately ring-shaped Securing elements 46 and 48 Due to the one-sided attachment of the approximately ring-shaped Securing elements 46 and 48 have an axial securing device 14 particularly high mechanical stability. It is also adjustable the game between the first approximately ring-shaped Securing element 46 and the second approximately ring-shaped Securing element 48 a particularly high accuracy in the setting the play of the axial lock 14 possible. This particularly fine set play of the axial lock 14 proves particularly then as favorable if the housing 12 of the throttle valve body 10 from a first material 76 and the throttle valve shaft 16 from one second material 78 is made, the first material 76 one of the second material 78 different coefficients of thermal expansion having. Because the different expansions of materials 76 and 78 can be compensated for by the play of the axial securing device 14.
- the axial lock 14 of the throttle valve connector 10 is special with one to create low manufacturing costs and also points a particularly high axial and radial vibration resistance. Farther is approximately due to the one-sided loading of the two ring-shaped fuse elements 46 and 48 a particularly high mechanical stability of the axial securing device 14 is particularly reliable guaranteed.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Lift Valve (AREA)
Description
- Fig. 1
- schematisch einen Drosselklappenstutzen mit einem Gehäuse und einer in dem Gehäuse mittels einer Axialsicherung angeordneten Drosselklappenwelle,
- Fig. 2
- schematisch einen Ausschnitt des Drosselklappenstutzens gemäss Figur 1 mit der Anordnung der Axialsicherung in dem Drosselklappenstutzen,
- Fig. 3
- die Drosselklappenwelle mit der Axialsicherung gemäss Figur 1 und Figur 2 und
- Fig. 4
- schematisch die auf die Drosselklappenwelle aufzubringenden Sicherungselemente der Axialsicherung gemäss den Figuren 1 bis 3.
Claims (11)
- Drosselklappenstutzen (10) mit einem Gehäuse (12), in dem eine durchgehende Drosselöffnung (34) ausgebildet ist, die durch eine auf einer Drosselklappenwelle (16) angeordnete Drosselklappe (36) verschliessbar ist, wobei die Drosselklappenwelle (16) mit ihren seitlichen Enden (18, 20) in Lagerausnehmungen (22, 24) des Gehäuses (12) ragt und drehbar gelagert ist, wobei ein Ende (20) der Drosselklappenwelle (16) auf der der Drosselklappe (36) abgewandten Seite (40) der Lagerausnehmung (24) heraus- und eine Bohrung (42) eines Halteelements (44) durchragt, das axial unverschiebbar auf der Drosselklappenwelle (16) angeordnet und axial in dem der Drosselklappenwelle (16) abgewandten Mündungsbereich (74) der Lagerausnehmung (24) am Gehäuse (12) abgestützt ist, dadurch gekennzeichnet, dass das Halteelement (44) an seinem radial äusseren Bereich (92, 94) mit dem Gehäuse (12) fest verbunden ist und im Bereich seiner Bohrung (42) axial auf jeder Seite (52, 54) an einem annähernd ringscheibenförmigen Sicherungselement (46, 48) in Anlage ist, wobei die Sicherungselelemente (46, 48) fest auf der Drosselklappenwelle (16) angeordnet sind und die Drosselklappenwelle (16) frei drehbar die Bohrung (42) des Halteelements (44) durchragt.
- Drosselklappenstutzen nach Anspruch 1, dadurch gekennzeichnet, dass das Halteelement (44) über Sicherungsmittel (50) fest mit dem Gehäuse (12) verbunden ist.
- Drosselklappenstutzen (10) nach Anspruch 2, dadurch gekennzeichnet, dass die Sicherungsmittel (50) Schrauben sind.
- Drosselklappenstutzen (10) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass sowohl das erste Sicherungselement (46) als auch das zweite Sicherungselement (48) eine axiale Innenfläche (56, 58) und eine axiale Aussenfläche (60, 62) aufweisen, wobei die axialen Innenflächen (56, 58) der Sicherungselemente (46, 48) jeweils dem Halteelement (44) zugewandt sind und die Sicherungselemente (46, 48) jeweils an ihren axialen Aussenflächen (60, 62) fest mit der Drosselklappenwelle (16) verbunden sind.
- Drosselklappenstutzen (10) nach Anspruch 4 dadurch gekennzeichnet, dass die axiale Aussenfläche (60) des ersten Sicherungselements (46) und die axiale Aussenfläche (62) des zweiten Sicherungselements (48) jeweils über eine Schweissverbindung (64, 66) fest mit der Drosselklappenwelle (16) verbunden sind.
- Drosselklappenstutzen (10) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Gehäuse (12) aus einem ersten Material (76) und die Drosselklappenwelle (16) aus einem zweiten Material (78) gefertigt ist, wobei das erste Material (76) einen von dem zweiten Material (78) verschiedenen Wärmeausdehnungskoeffizienten aufweist.
- Drosselklappenstutzen (10) nach Anspruch 6, dadurch gekennzeichnet, dass erste Material (76) Aluminium und das zweite Material (78) Edelstahl ist.
- Verfahren zur Herstellung einer Axialsicherung (14) für eine Drosselklappenwelle (16) in einem Drosselklappenstutzen (10) umfassend ein Gehäuse (12), in dem eine durchgehende Drosselöffnung (34) angeordnet ist, die durch eine auf einer Drosselklappenwelle (16) angeordnete Drosselklappe (36) verschliessbar ist, wobei die Drosselklappenwelle (16) mit ihren seitlichen Enden (18, 20) in Lagerausnehmungen (22, 24) des Gehäuses (12) ragt und drehbar gelagert ist, wobei ein Ende (20) der Drosselklappenwelle (16) auf der der Drosselklappe (36) abgewandten Seite (40) der Lagerausnehmung (24) heraus- und eine Bohrung (42) eines Halteelements (44) durchragt, das axial unverschiebbar auf der Drosselklappenwelle (16) angeordnet und axial in dem der Drosselklappe (36) abgewandten Mündungsbereich (74) der Lagerausnehmung (24) am Gehäuse (12) abgestützt ist, dadurch gekennzeichnet, dass ein erstes und ein zweites annähernd ringscheibenförmiges Sicherungselement (46, 48) jeweils mittels einer Bohrung (88, 90) auf der Drosselklappenwelle (16) angeordnet werden, wobei zwischen den beiden annähernd ringscheibenförmigen Sicherungselementen (46, 48) das Halteelement (44) auf der Drosselklappenwelle (16) mittels seiner Bohrung (42) angeordnet und an seinem äusseren Bereich (92, 94) mit dem Gehäuse (12) fest verbunden wird, wobei der Abstand zwischen dem ersten annähernd ringscheibenförmigen Sicherungselement (46) und dem zweiten annähernd ringscheibenförmigen Sicherungselement (48) mittels einer Lehre eingestellt wird, wobei die Lehre zwischen dem Halteelemement (44) und einem der beiden Sicherungselemente (46, 48) angeordnet wird, und anschliessend sowohl das erste annähernd ringscheibenförmige Sicherungselement (46) als auch das zweite annähernd ringscheibenförmige Sicherungselement (48) fest mit der Drosselklappenwelle (16) verbunden werden.
- Verfahren zur Herstellung eines Drosselklappenstutzens (10) nach Anspruch 8 dadurch gekennzeichnet, dass die Lehre eine annähernd u-förmige Form aufweist.
- Verfahren zur Herstellung eines Drosselklappenstutzens (10) nach Anspruch 8 oder 9 dadurch gekennzeichnet, dass sowohl das erste Sicherungselement (46) als auch das zweite Sicherungselement (48) eine axiale Innenfläche (56, 58) und eine axiale Aussenfläche (60, 62) aufweisen, wobei die axialen Innenflächen (56, 58) der Sicherungselemente (46, 48) jeweils dem Halteelement (44) zugewandt werden und sowohl das erste annähernd ringscheibenförmige Sicherungselement (46) als auch das zweite annähernd ringscheibenförmige Sicherungselement (48) mit seiner axialen Aussenfläche (60, 62) über eine Schweissverbindung (64, 66) fest mit der Drosselklappenwelle (16) verbunden werden.
- Verfahren zur Herstellung eines Drosselklappenstutzens (10) nach Anspruch 10 dadurch gekennzeichnet, dass die axiale Aussenfläche (60) des ersten Sicherungselements (46) und die axiale Aussenfläche (62) des zweiten Sicherungselements (48) jeweils über eine Schweissverbindung (64, 66) fest mit der Drosselklappenwelle (16) verbunden sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10019735 | 2000-04-20 | ||
DE10019735A DE10019735A1 (de) | 2000-04-20 | 2000-04-20 | Drosselklappenstutzen mit einem Gehäuse und einer in einem Gehäuse mittels einer Axialsicherung gesicherten Drosselklappenwelle sowie Verfahren zur Herstellung einer Axialsicherung für eine Drosselklappenwelle in einem Gehäuse eines Drosselklappenstutzens |
Publications (3)
Publication Number | Publication Date |
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EP1148222A2 EP1148222A2 (de) | 2001-10-24 |
EP1148222A3 EP1148222A3 (de) | 2002-04-17 |
EP1148222B1 true EP1148222B1 (de) | 2003-03-05 |
Family
ID=7639546
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Application Number | Title | Priority Date | Filing Date |
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EP01107430A Expired - Lifetime EP1148222B1 (de) | 2000-04-20 | 2001-03-27 | Drosselklappenstutzen mit einer mittels einer Axialsicherung gesicherten Drosselklappenwelle sowie Verfahren zur Herstellung einer solchen Axialsicherung |
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EP (1) | EP1148222B1 (de) |
DE (2) | DE10019735A1 (de) |
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FR3024200B1 (fr) * | 2014-07-23 | 2017-03-10 | Valeo Systemes De Controle Moteur | Vanne de circulation de fluide, notamment pour vehicule automobile, a rondelle de butee et procede de fabrication d'une telle vanne |
DE102018204431B4 (de) * | 2018-03-22 | 2020-06-04 | smk systeme metall kunststoff gmbh & co. kg | Vibrationsoptimiertes Klappenventil sowie Abgasklappensystem mit einem solchen Klappenventil |
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US5098064A (en) * | 1990-02-16 | 1992-03-24 | Siemens Automotive L.P. | Engine throttle blade sealing |
DE4033803A1 (de) * | 1990-10-24 | 1992-04-30 | Vdo Schindling | Arretierungsvorrichtung |
JPH04183940A (ja) * | 1990-11-16 | 1992-06-30 | Hitachi Ltd | 内燃機関用負圧制御弁 |
US5251874A (en) * | 1991-03-22 | 1993-10-12 | Allied-Signal Inc. | Valve shaft seal |
WO1993025804A1 (en) * | 1992-06-10 | 1993-12-23 | Siemens Electric Limited | Internal combustion engine exhaust control valve |
DE19820080B4 (de) * | 1998-05-06 | 2005-07-07 | Robert Bosch Gmbh | Einrichtung zur Veränderung des freien Durchlaßquerschnittes eines kanalförmigen Elementes |
DE19838660A1 (de) * | 1998-08-25 | 2000-03-02 | Mannesmann Vdo Ag | Antriebseinrichtung |
-
2000
- 2000-04-20 DE DE10019735A patent/DE10019735A1/de not_active Withdrawn
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2001
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EP1148222A2 (de) | 2001-10-24 |
DE50100113D1 (de) | 2003-04-10 |
EP1148222A3 (de) | 2002-04-17 |
DE10019735A1 (de) | 2001-10-25 |
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