WO2014122816A1 - 吸気装置 - Google Patents
吸気装置 Download PDFInfo
- Publication number
- WO2014122816A1 WO2014122816A1 PCT/JP2013/075640 JP2013075640W WO2014122816A1 WO 2014122816 A1 WO2014122816 A1 WO 2014122816A1 JP 2013075640 W JP2013075640 W JP 2013075640W WO 2014122816 A1 WO2014122816 A1 WO 2014122816A1
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- WIPO (PCT)
- Prior art keywords
- valve body
- drive source
- valve
- valve bodies
- bodies
- Prior art date
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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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
- F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
- F02B27/0205—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the charging effect
- F02B27/0215—Oscillating pipe charging, i.e. variable intake pipe length charging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
- F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
- F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
- F02B27/0247—Plenum chambers; Resonance chambers or resonance pipes
- F02B27/0263—Plenum chambers; Resonance chambers or resonance pipes the plenum chamber and at least one of the intake ducts having a common wall, and the intake ducts wrap partially around the plenum chamber, i.e. snail-type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
- F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
- F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
- F02B27/0268—Valves
- F02B27/0273—Flap valves
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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
- F02D9/1005—Details of the flap
- F02D9/101—Special flap shapes, ribs, bores or the like
- F02D9/1015—Details of the edge of the flap, e.g. for lowering flow noise or improving flow sealing in closed flap position
-
- 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
- F02D9/109—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps having two or more flaps
- F02D9/1095—Rotating on a common axis, e.g. having a common shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
- F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
- F02B27/0294—Actuators or controllers therefor; Diagnosis; Calibration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/112—Intake manifolds for engines with cylinders all in one line
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the present invention relates to an intake system.
- an intake system provided with a plurality of valve bodies is known.
- Such an intake device is disclosed, for example, in Japanese Patent Application Laid-Open No. 2010-1847.
- JP-A-2010-1847 four valve bodies respectively disposed in four intake pipe sections and rotated between an open position and a closed position, and a shaft rotated with the four valve bodies
- An intake system comprising: a common actuator connected to one end of the shaft and rotationally driving four valve bodies.
- the four intake pipe sections are provided with sealing surfaces with which the valve body abuts in the closed position.
- the intake path length of the intake pipe portion is changed to improve the intake efficiency by rotating the four valve bodies between the open position and the closed position.
- the present invention has been made to solve the above-described problems, and one object of the present invention is to suppress a decrease in intake efficiency caused by dimensional variations of a valve body and a seal surface. It is providing a suction device.
- an intake system includes a plurality of intake ports and a plurality of valves disposed respectively in the plurality of intake ports and pivoted between an open position and a closed position.
- the apparatus includes a body, a rotation shaft that rotates with the plurality of valve bodies, and a common drive source connected to the rotation shaft and configured to rotationally drive the plurality of valve bodies, and each of the plurality of intake ports is a valve In the closed position of the body, including the seal surface formed by the inner wall surface against which the valve element abuts, the open position of the valve element relatively located on the drive source side when rotating the plurality of valve elements from the open position to the closed position
- the rotation angle from the opening position to the closed position is configured to be larger than the rotation angle of the valve element located on the opposite side to the drive source.
- valve body on the side relatively opposite to the drive source abuts on the seal surface earlier than the valve body on the drive source side
- the valve body on the drive source side abuts on the seal surface first
- the drive source side By further rotating the valve body, the valve body on the side opposite to the drive source and the valve body on the drive source side can be brought into contact with the sealing surface. That is, in this intake system, the valve rotation angle of the valve element relatively located on the drive source side is made larger than the rotation angle of the valve element relatively located on the opposite side to the drive source. It is possible to suppress a decrease in intake efficiency caused by dimensional variations in the body and the seal surface.
- the valve body relatively located on the opposite side to the drive source corresponds to the corresponding seal surface.
- the rotational angle of the valve relative to the drive source relative to the drive source relative to the drive source causes the valve relative to the drive source to contact the corresponding seal surface.
- the rotation angle of the valve body located on the opposite side can be reliably sealed before the valve body on the drive source side. Since it can be made to contact
- the valve element relatively located on the drive source side is located on the corresponding seal surface.
- the abutting positions of the plurality of valve bodies with respect to the plurality of sealing surfaces are made different from each other so as to abut.
- the rotational angle of the valve element on the drive source side is easily changed to the valve element on the opposite side to the drive source simply by making the contact positions of the valve elements with respect to the plurality of seal surfaces different from each other.
- the valve body on the side opposite to the drive source can be easily brought into contact with the seal surface earlier than the valve body on the drive source side.
- the plurality of valve bodies are taken in the open position. Since it can be provided in a predetermined phase (the same phase) in which the pressure loss of the valve is difficult to increase, it is possible to suppress an increase in the pressure loss of intake air in the open state by the plurality of valve bodies.
- the plurality of valve bodies are respectively disposed on outer peripheries of the plurality of valve bodies and identical to contact the corresponding seal surfaces.
- a plurality of elastically deformable seal members having a shape that is relatively opposite to the drive source, and the seal member of the valve body located on the opposite side to the drive source is relatively positioned on the drive source side after abutting on the corresponding seal surface.
- each of the seal members is caused by sequentially bringing the plurality of elastically deformable seal members having the same shape into contact with the seal surface on the drive source side from the seal surface opposite to the drive source.
- the sealability between the valve body and the seal surface can be improved, and therefore it is possible to further suppress the decrease in intake efficiency caused by the dimensional variation of the valve body and the seal surface.
- the plurality of valve bodies respectively disposed in the plurality of intake ports are in the same phase without providing a rotational angle difference.
- the rotational source is configured to be rotationally driven by the drive source, and the rotational axis is configured to be torsionally deformable when the valve element relatively positioned on the drive source side abuts on the corresponding seal surface .
- the plurality of intake ports and the plurality of valve bodies are respectively provided three or more, and relative to at least two valve bodies among the three or more valve bodies.
- the rotation angle of the valve body located on the drive source side is relatively larger than the rotation angle of the valve body located on the opposite side to the drive source.
- the valve bodies abut on the corresponding sealing surfaces in order from the valve body farthest from the drive source to the valve body closest to the drive source.
- the rotation angle of the valve element increases in order from the valve element farthest from the drive source to the valve element closest to the drive source.
- the rotation angles of the plurality of valve bodies increase in order toward the valve body closest to the drive source
- the rotation angles from the open position to the closed position of the plurality of valve bodies are from the drive source
- the contact positions of the plurality of valve bodies with respect to the plurality of sealing surfaces are made different from each other so that the valve bodies become sequentially larger from the farthest valve body to the valve body closest to the drive source. According to this structure, even when three or more intake ports and three or more valve bodies are provided, all of them can be easily and simply provided that the contact positions of the plurality of valve bodies with respect to the plurality of seal surfaces are different from each other.
- the valve body relatively opposite to the drive source can be brought into contact with the seal surface earlier than the valve body on the drive source side.
- the rotation angles of the plurality of valve bodies increase in order toward the valve body closest to the drive source
- the rotation angles from the open position to the closed position of the plurality of valve bodies are The distance from the farthest valve element to the valve element closest to the drive source increases in order, and the angular interval increases from the valve element farthest from the drive source to the valve element closest to the drive source.
- the angular distance is increased as the drive source side where the amount of twisting of the pivot shaft is accumulated and increases, so the valve body on the drive source side is relatively smaller due to the smaller angular distance than the accumulated amount of twist.
- the plurality of valve bodies are rotatably provided so as to open and close an opening between the surge tank and an intake port disposed downstream of the surge tank.
- the variable intake valve includes a plurality of variable intake valve bodies whose intake path length is changed by opening and closing the part, and the plurality of variable intake valve bodies are relatively positioned on the drive source side when rotating from the open position to the closed position.
- the rotation angle of the body is larger than the rotation angle of the variable intake valve body located on the opposite side to the drive source.
- both the variable intake valve body on the opposite side to the drive source and the variable intake valve body on the drive source side can be made to abut on the corresponding seal surface, so It is possible to appropriately change, and as a result, it is possible to effectively suppress the decrease in intake efficiency due to the dimensional variation of the variable intake valve body and the seal surface.
- the plurality of valve bodies are formed in the same shape with each other, and the rotational angle of the valve body relatively located on the drive source side is relatively the drive source and Are provided in different phases in the open position so as to be greater than the pivot angle of the oppositely located valve body.
- the valve body on the opposite side to the drive source is easily attached to the seal surface prior to the valve body on the drive source side only by making the phases of the open positions of the plurality of valve bodies different from one another. Since contact can be made, it is not necessary to make the contact positions of the plurality of valve bodies with respect to the plurality of sealing surfaces different from each other. As a result, it is possible to suppress the complication of the shape of the intake port provided with the seal surface.
- an intake system includes a plurality of intake ports, a plurality of valve bodies disposed respectively in the plurality of intake ports, and a plurality of valve bodies rotated between an open position and a closed position.
- valve body of the present invention can be brought into contact with the sealing surface earlier than the valve body on the drive source side.
- the valve element on the drive source side is further rotated, and the valve element on the opposite side to the drive source and the valve element on the drive source side Both can be in contact with the sealing surface.
- FIG. 1 is a perspective view showing a configuration of an intake system according to first and second embodiments of the present invention. It is the disassembled perspective view which showed the structure of the intake device by 1st and 2nd embodiment of this invention.
- FIG. 2 is a schematic cross-sectional view along the intake port of the intake device according to the first and second embodiments of the present invention.
- FIG. 6 is a cross-sectional view of the intake control valve of the intake system according to the first and second embodiments of the present invention taken along the pivot axis. It is the top view which showed two adjacent valve bodies of the intake device by 1st Embodiment of this invention. It is sectional drawing along the rotational axis of the valve body of the intake device by 1st Embodiment of this invention.
- FIG. 1 is a perspective view showing a configuration of an intake system according to first and second embodiments of the present invention. It is the disassembled perspective view which showed the structure of the intake device by 1st and 2nd embodiment of this invention.
- FIG. 4 is a schematic perspective view showing a state in which four valve bodies of the intake system according to the first embodiment of the present invention are rotationally driven. It is the schematic for demonstrating the rotation angle from the open position of the four valve bodies of the suction device by 1st Embodiment of this invention to a closed position. It is the schematic for demonstrating the rotation angle from the open position of the four valve bodies of the suction device by 2nd Embodiment of this invention to a closed position. It is the schematic which showed the structure which varied the protrusion height of the sealing member as a 1st modification of 1st and 2nd embodiment of this invention. It is the schematic which showed the structure which directly connects the axial part of the adjacent valve body as a 2nd modification of 1st and 2nd embodiment of this invention. It is the schematic which showed the structure which does not provide an internal diameter expansion part in a valve body as a 3rd modification of 1st and 2nd embodiment of this invention.
- the intake system 100 is an intake system provided to an in-line four-cylinder engine 10 (see FIG. 3) for a motor vehicle.
- the intake system 100 includes a surge tank 1, four intake ports 2 branched from the surge tank 1 and disposed downstream of the surge tank 1, and an intake control valve 3 provided inside the four intake ports 2. And have. Further, structurally, the intake system 100 includes an intake system main body 101 that integrally includes the surge tank 1 and the four intake ports 2. Then, as shown in FIGS. 2 and 3, an intake control valve 3 is provided inside the intake device main body 101.
- the intake device main body 101 includes a main body side portion 101a and a cover portion 101b, and the main body side portion 101a and the cover portion 101b are integrally integrated with each other by vibration welding in a state where the intake control valve 3 is attached to the main body side portion 101a. It is joined.
- the intake system 100 is connected to the cylinder head 10a, and the four intake ports 2 are connected to the respective cylinders via the cylinder head 10a.
- Each of the four intake ports 2 includes a first port 21 and a second port 22, and an outlet port 23 connected to the cylinder of the engine 10 downstream of the first port 21 and the second port 22. Including.
- the first port portion 21 extends so as to bypass the surge tank 1 and is connected to the downstream outlet port 23.
- the second port portion 22 is provided to connect the surge tank 1 and the outlet port 23 via the intake control valve 3.
- the intake control valve 3 opens and closes the opening 24 located between the surge tank 1 and the intake port 2 (the connection portion between the second port 22 and the outlet port 23). Is configured as.
- seal surfaces 25 and 26 formed of inner wall surfaces with which the valve body 30 abuts at the closed position of the valve body 30 described later.
- the seal surfaces 25 and 26 are both configured by an inclined surface along the flow direction of the intake air which passes from the second port portion 22 to the outlet port 23 when the valve body 30 is open.
- the intake control valve 3 When the intake control valve 3 is open, the second port 22 and the outlet port 23 are formed.
- the intake control valve 3 is configured to be able to change the intake path length by forming a short port having a small intake path length. That is, the intake control valve 3 functions as an intake control valve for variable intake which changes the intake path length to each cylinder of the engine 10 by opening and closing the opening 24. Thereby, it is possible to supply a more appropriate amount of intake air to the engine 10 by changing the intake path length according to the engine speed, the engine load, and the like.
- each of the three partitions 11 disposed between the four intake ports 2 is provided with a bearing member holding portion 11 a for holding a first bearing member 4 described later.
- bearing member holding portions 12 a for holding a second bearing member 5 described later are provided on the outer walls 12 of the intake ports 2 disposed on both sides.
- the intake control valve 3 commonly drives to rotate the four valve bodies 30, the common rotation shaft 3 a that rotates together with the four valve bodies 30, and the four valve bodies 30. And a link member 3c for transmitting the driving force of the actuator 3b to the pivot shaft 3a.
- the pivot shaft 3 a extends in a direction perpendicular to the intake port 2 and is formed of a rectangular shaft having a rectangular (square) vertical cross section passing through the four second port portions 22.
- the rotating shaft 3a is made of metal (for example, stainless steel or aluminum alloy), and is configured to be torsionally deformable by the driving force of the actuator 3b. As shown in FIGS.
- the pivot shaft 3a is pivotally supported by a second bearing member 5, which will be described later, at one end on the side where the actuator 3b is disposed and the other end opposite thereto. There is.
- the axial direction in which the pivot shaft 3a extends is referred to as the X direction.
- the actuator 3 b is a direct acting negative pressure actuator, and is connected to the pivot shaft 3 a via the link member 3 c.
- the actuator 3 b is an example of the “drive source” in the present invention
- the valve body 30 is an example of the “variable intake valve body” in the present invention.
- the valve body 30 is provided in each of the four intake ports 2 (four in total).
- the valve body 30 is configured to be pivotable between an open position and a closed position so as to open and close the corresponding opening 24 between the surge tank 1 and the intake port 2 as shown in FIG. There is.
- the four valve bodies 30 are formed in the same shape as each other, and have a substantially rectangular outer shape corresponding to the opening 24.
- the valve body 30 is a plate-like member made of resin (for example, made of nylon 66 (PA 66)).
- PA 66 nylon 66
- the four valve bodies 30 are attached to the pivot shaft 3 a by inserting (press-fitting) the pivot shaft 3 a into the shaft insertion portion 30 a.
- the inner peripheral surface of the shaft insertion portion 30a has a rectangular shape corresponding to the outer shape of the rotary shaft 3a formed of a square shaft, and the rotary shaft 3a comes into contact with the inner peripheral surface of the shaft insertion portion 30a.
- the valve body 30 rotates integrally with the rotation shaft 3a.
- an inner diameter enlarged portion 30b having an inner diameter that does not abut on the rotation shaft 3a in a state where the rotation shaft 3a is inserted is provided. That is, while the twisting deformation of the rotation shaft 3a is restricted in the shaft insertion part 30a, the twisting deformation is not restricted in the inside diameter enlarged part 30b.
- a shaft portion 30c which protrudes outward in the axial direction (X direction) and which has a circular outer peripheral surface is integrally formed.
- the shaft portions 30c on both sides in the axial direction (X direction) are rotatably supported by the first bearing member 4 or the second bearing member 5 disposed on both sides of the valve body 30, as shown in FIG. ing.
- each valve body 30 is rotatably supported by the bearing members (the first bearing member 4 and the second bearing member 5).
- the four valve bodies 30 each include a seal member 30 d disposed on the outer peripheral portion of the valve body 30.
- the seal members 30d of the four valve bodies 30 are formed in the same shape as each other, and are made of elastically deformable rubber. The valve body 30 improves the air tightness of the opening 24 in the closed position by the seal member 30 d coming into contact with the corresponding seal surfaces 25 and 26.
- the four valve bodies 30 of the intake control valve 3 and the seal surface 25 (26) of the intake port 2 with which the seal member 30d of the valve body 30 abuts will be described in detail.
- the four valve bodies 30 are configured to be rotationally driven by the actuator 3b in the same phase without providing a rotational angle difference.
- the four valve bodies 30 are attached to the common pivot shaft 3a so as to be in phase with each other in the open position.
- the four valve bodies 31, 32, 33 and 34 respectively have corresponding sealing surfaces 251 (261), 252 (262), 253 (263) and 254 (264). , And the opening 24 is closed. 7 and 8, although the seal member 30d disposed on the outer peripheral portion of the valve body 30 is omitted, the seal member 30d actually faces the seal surface 25 (26) at the closed position of the valve body 30. It is abutted.
- the pivot shaft 3a is configured to be torsionally deformed. Specifically, the pivoting shaft 3a is torsionally deformed in the twisting regions 61, 62 and 63 (see FIG. 5) between the four valve bodies 30, and in the restriction region corresponding to the shaft insertion portion 30a of the valve body 30. The torsional deformation is restricted by the inner peripheral surface of the shaft insertion portion 30a.
- the twist areas 61, 62 and 63 are formed of an area between two adjacent valve bodies 30 and an area corresponding to the enlarged inner diameter portion 30b of the valve body 30 located on both sides thereof.
- the torsionally deformable torsional regions 61, 62 and 63 become larger (wider), so that the rotary shaft 3a is adjacent to the adjacent valve body 30. It becomes easy to be torsionally deformed.
- the four sealing surfaces 25 (26) are, as shown in FIGS. 7 and 8, in order from the valve body 31 farthest from the actuator 3b to the valve body 34 closest to the actuator 3b, corresponding sealing surfaces 25 (26 Are provided at mutually different positions in the rotational direction of the valve body 30 so as to abut on the other. That is, the contact positions of the four valve bodies 30 with respect to the four seal faces 25 (26) are different from each other in the rotational direction of the valve body 30. Specifically, the four seal faces 25 (26) are moved from the valve body 31 farthest from the actuator 3b to the valve body 34 closest to the actuator 3b from the open position to the closed position. They are provided at mutually different positions so as to increase in the order of 31, 32, 33 and 34.
- the rotational angle ⁇ 1 of the valve body 31 and the rotational angle of the valve body 32 in the rotational angle from the open position to the closed position of the four valve bodies 30 move from the side far from the actuator 3b to the side closer to the actuator 3b.
- the rotation angle ⁇ 2, the rotation angle ⁇ 3 of the valve body 33, and the rotation angle ⁇ 4 of the valve body 34 gradually increase in this order. That is, the rotation angle from the open position to the closed position of the valve body 30 positioned on the side of the actuator 3b (the side closer to the actuator 3b) is relatively opposite to the side relative to the actuator 3b (the side farther from the actuator 3b)
- the angular intervals of the rotational angles ⁇ 1 to ⁇ 4 of the four valve bodies 30 increase in order from the valve body 31 farthest from the actuator 3b to the valve body 34 closest to the actuator 3b. That is, the angle interval ⁇ ( ⁇ 2 ⁇ 1) between the valve bodies 31 and 32, the angle interval ⁇ ( ⁇ 3 ⁇ 2) between the valve bodies 32 and 33, the valve body 33 toward the side closer to the actuator 3b from the side far from the actuator 3b And 34 gradually increase in order.
- the seal surface 252 (262) of the valve body 32 is disposed at a position shifted by an angular interval ⁇ in the direction away from the open position with respect to the seal surface 251 (261) of the valve body 31
- the sealing surface 253 (263) is disposed at a position shifted by an angular interval ⁇ in a direction away from the open position with respect to the sealing surface 252 (262) of the valve body 32.
- the sealing surface 254 (264) of the valve body 34 is disposed at a position deviated from the sealing surface 253 (263) of the valve body 33 by an angular interval ⁇ in a direction away from the open position.
- the rotational shaft 3a is driven by the driving force of the actuator 3b.
- the torsion regions 61 to 63 are configured to be torsionally deformed.
- the rotary shaft 3a is further torsionally deformed in the twisting regions 62 and 63 by the driving force of the actuator 3b, and the amount of torsional deformation is accumulated. .
- the rotational shaft 3a is further torsionally deformed in the twisting area 63 by the driving force of the actuator 3b, and the amount of torsional deformation is further accumulated. Ru.
- the angular intervals ⁇ , ⁇ and ⁇ correspond to the sealing surfaces 25 (26) to which the four valve bodies 30 correspond in order from the valve body 31 farthest from the actuator 3b to the valve body 34 closest to the actuator 3b. It is set in consideration of the dimensional variation (allowable value) of the valve body 30 and the seal surface 25 (26) and the amount of torsional deformation accumulated so as to abut.
- valve bodies 30 (seal members 30d (see FIG. 5)) are rotated from the open position to the closed position, the valve body 31 farthest from the actuator 3b to the actuator 3b is the most It abuts against the corresponding sealing surface 25 (26) in order towards the valve body 34 which is near.
- the four valve bodies 30 are rotationally driven by the actuator 3b in a state in which the four valve bodies 30 are both in the open position (the state indicated by the two-dot chain line in FIG. 8).
- the four valve bodies 30 have a rotational range (from 0 degree to ⁇ 1 degree based on the open position) until the valve body 31 farthest from the actuator 3b abuts the seal surface 251 (261) from the open position of the valve body 30. In the rotation range), it is rotationally driven in the same phase without providing a rotation angle difference. Then, as shown in FIGS. 7 and 8, the valve body 31 farthest from the actuator 3b abuts on the sealing surface 251 (261), and the corresponding opening 24 (see FIG. 3) is closed.
- the rotary shaft 3a is torsionally deformed in the twist regions 61, 62 and 63 by the actuator 3b, whereby the valve bodies 32 to 34 are further rotated, and the next valve body 32 is in the sealing surface 252 (262). It is abutted.
- the rotary shaft 3a is further torsionally deformed in the twisting regions 62 and 63 by the actuator 3b to further rotate the valve bodies 33 and 34. As it is moved, the next valve body 33 abuts on the sealing surface 253 (263).
- the rotary shaft 3a is further torsionally deformed in the twist area 63 by the actuator 3b, whereby the valve body 34 closest to the actuator 3b is further rotated and brought into contact with the seal surface 254 (264).
- the opening 24 is closed at all four intake ports 2.
- valve body 30 and the seal surface are configured such that the rotation angle up to the closed position is relatively larger than the rotation angle of the valve body 30 located on the opposite side (X2 direction side) to the actuator 3b. Even if the dimensional dispersion 25 (26) occurs, the valve body 30 on the opposite side to the actuator 3b is moved relative to the actuator 3b because the rotation angle of the valve body 30 on the opposite side to the actuator 3b is relatively small. It can be made to contact the seal surface 25 (26) earlier than the valve body 30 on the 3b side.
- valve body 30 on the opposite side to the actuator 3b comes into contact with the seal surface 25 (26)
- the valve body 30 on the actuator 3b side is further rotated, and the valve body 30 on the opposite side to the actuator 3b And the valve body 30 on the side of the actuator 3b can be brought into contact with the sealing surface 25 (26).
- the valve body when rotating the four valve bodies 30 from the open position to the closed position, the valve body positioned on the opposite side (X2 direction side) relative to the actuator 3b 30 so that the valve element 30 relatively located on the actuator 3b side (X1 direction side) abuts on the corresponding seal surface 25 (26) after the abutment on the corresponding seal surface 25 (26)
- the rotational angle of the valve body 30 relatively located on the actuator 3 b side is made larger than the rotational angle of the valve body 30 relatively located on the opposite side to the actuator 3 b.
- the valve body 30 on the opposite side to the actuator 3b is easily brought into contact with the seal surface 25 (26) earlier than the valve body 30 on the actuator 3b side. Can. Also, unlike the case where the rotational angles of the four valve bodies 30 are made different from each other by providing the four valve bodies 30 in mutually different phases (rotational angle positions) in the open position, the four valve bodies 30 are opened.
- the four valve bodies 30 can suppress an increase in the pressure loss of the intake air in the open state, because the four valve bodies 30 can be provided at a predetermined phase (the same phase) where the pressure loss of the intake air hardly increases at the position.
- the elastically deformable seal member 30d of the valve body 30 located on the opposite side (X2 direction side) relative to the actuator 3b has the corresponding seal surface 25 (26 ) So that the elastically deformable seal member 30d of the valve body 30 positioned relatively on the actuator 3b side (X1 direction side) abuts on the corresponding seal face 25 (26),
- the contact positions of the four valve bodies 30 with respect to 25 (26) are made different from each other.
- the elastically deformable seal members 30d having the same shape as the four valve bodies 30 are sequentially brought into contact with the seal surface 25 (26) on the actuator 3b side from the seal surface 25 (26) on the opposite side to the actuator 3b.
- the sealability between the valve body 30 and the seal surface 25 (26) can be improved by the elastic deformation of each seal member 30d, so the dimensional variation of the valve body 30 and the seal surface 25 (26) results. It is possible to further suppress the decrease in intake efficiency.
- the four valve bodies 30 are configured to be rotationally driven by the actuator 3b in the same phase without providing a rotational angle difference, and the actuator 3b is relatively relatively
- the pivot shaft 3a is configured to be able to be torsionally deformed.
- valve body 30 on the actuator 3b side can be further rotated using the torsional deformation of the shaft 3a, both the valve body 30 on the actuator 3b side and the valve body 30 on the opposite side to the actuator 3b can be easily , Corresponding sealing surfaces 25 (26).
- the valve body 30 sequentially contacts the corresponding seal surface 25 (26) from the valve body 31 farthest from the actuator 3b to the valve body 34 closest to the actuator 3b.
- the rotation angles of the four valve bodies 30 from the open position to the closed position are sequentially increased from the valve body 31 farthest from the actuator 3 b to the valve body 34 closest to the actuator 3 b.
- the valve body 30 on the opposite side to the actuator 3b can be brought into contact with the seal surface 25 (26) earlier than the valve body 30 on the actuator 3b side with respect to all four valve bodies 30. Therefore, all four valve bodies 30 can be effectively brought into contact with the corresponding sealing surface 25 (26).
- the rotational angle from the open position to the closed position of the four valve bodies 30 is from the valve body 31 farthest from the actuator 3b to the valve body 34 closest to the actuator 3b.
- the contact positions of the four valve bodies 30 with respect to the corresponding sealing surfaces 25 (26) are made different from each other so that the contact surfaces become larger in order.
- the contact positions of the four valve bodies 30 with respect to the corresponding seal surfaces 25 (26) are made different from each other easily, so that all the four valve bodies 30 are relatively opposite to the actuator 3b.
- the valve body 30 can be brought into contact with the seal surface 25 (26) earlier than the valve body 30 on the actuator 3b side.
- the rotation angles from the open position to the closed position of the four valve bodies 30 are directed from the valve body 31 farthest from the actuator 3b to the valve body 34 closest to the actuator 3b. And sequentially increase the angular distance from the valve body 31 farthest from the actuator 3b to the valve body 34 closest to the actuator 3b. As a result, after the valve body 31 farthest from the actuator 3b abuts on the seal surface 25 (26), the valve body 30 on the actuator 3b side is sequentially sealed using the torsional deformation of the rotary shaft 3a.
- an air intake apparatus 200 according to a second embodiment of the present invention will be described with reference to FIGS. 1 to 3 and 9.
- a configuration in which four valve bodies 230 are provided in phases different from each other in the open position will be described.
- the four valve bodies 230 of the intake system 200 (see FIGS. 1 to 3) according to the second embodiment abut on the corresponding sealing surfaces 25a and 26a as shown in FIG. It is configured to be in a closed state.
- the seal surfaces 25a (26a) of the four intake ports 2 are provided at the same position in the rotational direction of the valve body 230. That is, the contact positions of the four valve bodies 230 with respect to the four seal faces 25a (26a) are the same as each other in the rotational direction of the valve body 230.
- the valve body 230 is an example of the “variable intake valve body” in the present invention.
- the four valve bodies 230 have the rotation angles from the open position to the closed position of the valve bodies 231, 232, 233 and 234 from the valve body 231 farthest from the actuator 3b to the valve body 234 closest to the actuator 3b. It is configured to grow in order. In other words, the rotational angle of the valve body 231 of the valve body 231, the rotational angle of the valve body 231, from the side far from the actuator 3b to the side closer to the actuator 3b.
- the rotation angle ⁇ 12, the rotation angle ⁇ 13 of the valve element 233, and the rotation angle ⁇ 14 of the valve element 234 increase in the order of step.
- the angular intervals of the rotation angles ⁇ 11 to ⁇ 14 of the four valve bodies 230 increase in order from the valve body 231 farthest from the actuator 3b to the valve body 234 closest to the actuator 3b. That is, the angle interval ⁇ 1 ( ⁇ 12- ⁇ 11) of the valve bodies 231 and 232, the angle interval ⁇ 1 ( ⁇ 13- ⁇ 12) of the valve bodies 232 and 233, the valve body 233 toward the side closer to the actuator 3b from the side far from the actuator 3b. And the angular interval ⁇ 1 ( ⁇ 14 ⁇ 13) of 234 and gradually increases.
- the four valve bodies 230 are arranged in different phases in the open position.
- the valve body 232 is disposed at a position shifted by an angular interval ⁇ 1 in a direction away from the sealing surface 25a (26a) with respect to the valve body 231.
- the valve body 234 is disposed at a position deviated from the valve body 233 by an angular interval ⁇ 1 in a direction away from the seal surface 25a (26a).
- the four valve bodies 230 when the four valve bodies 230 are pivoted from the open position to the closed position, the four valve bodies 230 correspond in order from the valve body 231 farthest from the actuator 3b to the valve body 234 closest to the actuator 3b. Contact with the sealing surface 25a (26a).
- the remaining structure of the second embodiment is similar to that of the aforementioned first embodiment.
- the rotational angle of the valve body 230 relatively positioned on the actuator 3b side is relatively positioned on the opposite side (X2 direction side) to the actuator 3b.
- the four valve bodies 230 are provided in phases different from one another in the open position so as to be larger than the rotation angle of the valve body 230.
- the valve body 230 on the opposite side to the actuator 3 b is easily sealed before the valve body 230 on the actuator 3 b side only by making the phases of the open positions of the four valve bodies 230 different from each other.
- the contact positions of the four valve bodies 230 with the corresponding seal surfaces 25a (26a) do not have to be different from each other.
- the positions are relatively on the actuator 3b side (X1 direction side) To make the rotational angle of the valve body 230 from the open position to the closed position relatively larger than the rotational angle of the valve body 230 located on the side (X2 direction side) opposite to the actuator 3b. Allows both the valve body 230 on the actuator 3b side and the valve body 230 on the opposite side to the actuator 3b to be in contact with the sealing surface 25a (26a), so the dimensions of the valve body 230 and the sealing surface 25a (26a) It is possible to suppress a decrease in intake efficiency caused by the variation.
- the intake system of the present invention is applied to an in-line four-cylinder engine for an automobile, but the present invention is not limited to this.
- the intake system of the present invention may be applied to internal combustion engines other than engines for automobiles, and may be applied to internal combustion engines other than in-line four-cylinder engines.
- valve body of this invention may be applied to other than an intake control valve that changes an intake path length, such as a TCV (tumble control valve) that generates longitudinal vortices and an SCV (swirl control valve) that generates horizontal vortices.
- TCV tumble control valve
- SCV swirl control valve
- the seal surfaces of the four intake ports are provided at mutually different positions, and in the second embodiment, the four valve bodies are provided in mutually different phases in the open position, so that relative positions are obtained.
- the present invention is not limited to this.
- the seal members 30e, 30f, 30g and 30h of the four valve bodies 330 are formed to have different projecting heights from one another.
- the pivoting angle of the valve body 330 on the actuator side may be made larger than the pivoting angle of the valve body 330 on the side opposite to the actuator. Further, by making the shapes of the valve bodies different from each other, the rotation angle of the valve body on the actuator side is relatively larger than the rotation angle of the valve body on the opposite side to the actuator. It is also good.
- the shaft portions 430c of the adjacent valve bodies 430 may be directly connected to each other without providing a metal rotation shaft.
- the shaft portions 430c of the two valve bodies 430 connected to each other may be configured to be torsionally deformable and function as the rotation shaft of the present invention.
- the twist area between the valve bodies is increased by providing the valve body with the enlarged internal diameter portion 30b (see FIG. 6). It is not limited.
- the configuration may be such that the inner diameter enlarged portion is not provided. In this case, a region from an end of the shaft portion 530c of one valve body 530 to an end of the shaft portion 530c of the other valve body 530 is a twisting region.
- an actuator drive source
- an actuator common to the plurality of valve bodies may be disposed between the plurality of valve bodies and connected to the central portion of the pivot shaft.
- a direct acting negative pressure actuator is shown as an example of the drive source of the present invention, but the present invention is not limited to this.
- a drive source other than a direct acting negative pressure actuator may be used.
- the rotational angle from the open position to the closed position of the four valve bodies is from the valve body farthest from the actuator (drive source) to the valve body closest to the actuator
- the present invention is not limited to this.
- the rotational angle of the valve body relatively positioned on the actuator side is relatively opposite to the actuator on the side of the valve body It may be configured to be larger than the rotation angle.
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- Chemical & Material Sciences (AREA)
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Abstract
Description
図1~図8を参照して、本発明の第1実施形態による吸気装置100の構成について説明する。
次に、図1~図3および図9を参照して本発明の第2実施形態による吸気装置200について説明する。この第2実施形態では、上記第1実施形態と異なり、4つの弁体230が、開位置において、互いに異なる位相に設けられている構成について説明する。
2 吸気ポート
3a 回動軸
3b アクチュエータ(駆動源)
24 開口部
25、25a、26、26a シール面
30(31、32、33、34)、230(231、232、233、234)、330、430、530 弁体(可変吸気弁体)
30d シール部材
100、200 吸気装置
Claims (11)
- 複数の吸気ポートと、
前記複数の吸気ポートにそれぞれ配置され、開位置と閉位置との間で回動される複数の弁体と、
前記複数の弁体とともに回動する回動軸と、
前記回動軸に接続され、前記複数の弁体を回動駆動させる共通の駆動源と、を備え、
前記複数の吸気ポートは、それぞれ、前記弁体の閉位置において前記弁体が当接する内壁面からなるシール面を含み、
前記複数の弁体を開位置から閉位置に回動させる際に、相対的に前記駆動源側に位置する前記弁体の開位置から閉位置までの回動角度が、相対的に前記駆動源とは反対側に位置する前記弁体の前記回動角度よりも大きくなるように構成されている、吸気装置。 - 前記複数の弁体を開位置から閉位置に回動させる際に、前記相対的に駆動源とは反対側に位置する前記弁体が、対応する前記シール面に当接した後、前記相対的に駆動源側に位置する前記弁体が、対応する前記シール面に当接するように、前記相対的に駆動源側に位置する前記弁体の前記回動角度が、前記相対的に駆動源とは反対側に位置する前記弁体の前記回動角度よりも大きくなっている、請求項1に記載の吸気装置。
- 前記相対的に駆動源とは反対側に位置する前記弁体が、対応する前記シール面に当接した後、前記相対的に駆動源側に位置する前記弁体が、対応する前記シール面に当接するように、複数の前記シール面に対する前記複数の弁体の当接位置を互いに異ならせている、請求項2に記載の吸気装置。
- 前記複数の弁体は、前記複数の弁体の外周部にそれぞれ配置され、対応する前記シール面に当接する同一形状の弾性変形可能な複数のシール部材を含み、
前記相対的に駆動源とは反対側に位置する前記弁体の前記シール部材が、対応する前記シール面に当接した後、前記相対的に駆動源側に位置する前記弁体の前記シール部材が、対応する前記シール面に当接するように、前記複数のシール面に対する前記複数の弁体の当接位置を互いに異ならせている、請求項3に記載の吸気装置。 - 前記複数の吸気ポートにそれぞれ配置された前記複数の弁体は、回動角度差を設けることなく同位相で前記駆動源により回動駆動されるように構成されており、
前記回動軸は、前記相対的に駆動源側に位置する前記弁体が対応する前記シール面に当接する際に、ねじり変形可能に構成されている、請求項3または4に記載の吸気装置。 - 前記複数の吸気ポートおよび前記複数の弁体は、それぞれ、3つ以上設けられており、
3つ以上の前記弁体のうち、少なくとも2つの前記弁体について、前記相対的に駆動源側に位置する前記弁体の前記回動角度が、前記相対的に駆動源とは反対側に位置する前記弁体の前記回動角度よりも大きくなっている、請求項1~5のいずれか1項に記載の吸気装置。 - 前記駆動源から最も遠い前記弁体から前記駆動源に最も近い前記弁体に向かって順番に前記弁体が対応する前記シール面に当接するように、前記複数の弁体の開位置から閉位置までの回動角度が、前記駆動源から最も遠い前記弁体から前記駆動源に最も近い前記弁体に向かって順番に大きくなっている、請求項6に記載の吸気装置。
- 前記複数の弁体の開位置から閉位置までの回動角度が、前記駆動源から最も遠い前記弁体から前記駆動源に最も近い前記弁体に向かって順番に大きくなるように、前記複数のシール面に対する前記複数の弁体の当接位置を互いに異ならせている、請求項7に記載の吸気装置。
- 前記複数の弁体の開位置から閉位置までの回動角度は、前記駆動源から最も遠い前記弁体から前記駆動源に最も近い前記弁体に向かって順番に大きくなるとともに、前記駆動源から最も遠い前記弁体から前記駆動源に最も近い前記弁体に向かって順番に角度間隔が大きくなっている、請求項7または8に記載の吸気装置。
- 前記複数の弁体は、サージタンクと前記サージタンクの下流に配置された前記吸気ポートとの間の開口部を開閉するように回動可能に設けられ、前記開口部の開閉により吸気経路長を変化させる複数の可変吸気弁体を含み、
前記複数の可変吸気弁体を開位置から閉位置に回動させる際に、前記相対的に駆動源側に位置する前記可変吸気弁体の前記回動角度が、前記相対的に駆動源とは反対側に位置する前記可変吸気弁体の前記回動角度よりも大きくなっている、請求項1~9のいずれか1項に記載の吸気装置。 - 前記複数の弁体は、互いに同一形状に形成されており、前記相対的に駆動源側に位置する前記弁体の前記回動角度が、前記相対的に駆動源とは反対側に位置する前記弁体の前記回動角度よりも大きくなるように、開位置において、互いに異なる位相に設けられている、請求項1または2に記載の吸気装置。
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US14/655,247 US10060396B2 (en) | 2013-02-05 | 2013-09-24 | Air intake apparatus |
CN201390001061.9U CN204804943U (zh) | 2013-02-05 | 2013-09-24 | 进气装置 |
BR112015017484-1A BR112015017484B1 (pt) | 2013-02-05 | 2013-09-24 | Aparelho de admissão de ar |
DE212013000278.5U DE212013000278U1 (de) | 2013-02-05 | 2013-09-24 | Luftansaugvorrichtung |
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JP2013020568A JP6003692B2 (ja) | 2013-02-05 | 2013-02-05 | 吸気装置 |
JP2013-020568 | 2013-02-05 |
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DE102015002799B4 (de) * | 2015-03-06 | 2016-12-08 | Mann + Hummel Gmbh | Ansaugvorrichtung mit Klappenlageranordnung und Klappenlageranordnung |
JP6558156B2 (ja) * | 2015-09-03 | 2019-08-14 | アイシン精機株式会社 | 吸気装置および吸気制御弁 |
JP6780371B2 (ja) | 2016-08-26 | 2020-11-04 | アイシン精機株式会社 | 吸気装置 |
KR101887763B1 (ko) * | 2016-10-17 | 2018-09-07 | 현대자동차주식회사 | 차량의 흡기조절장치 |
KR20180135141A (ko) * | 2017-06-09 | 2018-12-20 | 현대자동차주식회사 | 차량의 흡기조절장치 |
KR20220070930A (ko) * | 2020-11-23 | 2022-05-31 | 현대자동차주식회사 | 차량용 흡기시스템 |
DE102021103945A1 (de) | 2021-02-19 | 2022-08-25 | Bayerische Motoren Werke Aktiengesellschaft | Klappeneinheit für eine Klappenanlage, Klappenanlage für eine Verbrennungskraftmaschine, Verbrennungskraftmaschine für ein Kraftfahrzeug sowie Kraftfahrzeug |
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JPH06173695A (ja) * | 1992-12-10 | 1994-06-21 | Aisan Ind Co Ltd | 内燃機関の吸気装置 |
JP2004169628A (ja) * | 2002-11-20 | 2004-06-17 | Mikuni Corp | スロットル装置 |
JP2011074760A (ja) * | 2009-09-29 | 2011-04-14 | Mahle Filter Systems Japan Corp | 内燃機関の可変吸気装置 |
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DE19800207A1 (de) * | 1997-03-20 | 1998-09-24 | Mann & Hummel Filter | Saugmodul |
JP2004060525A (ja) * | 2002-07-29 | 2004-02-26 | Denso Corp | 可変吸気装置 |
JP5255922B2 (ja) * | 2008-06-23 | 2013-08-07 | 株式会社マーレ フィルターシステムズ | 内燃機関の可変吸気装置 |
WO2013137349A1 (ja) * | 2012-03-13 | 2013-09-19 | 日産自動車株式会社 | 内燃機関の可変吸気装置 |
-
2013
- 2013-02-05 JP JP2013020568A patent/JP6003692B2/ja active Active
- 2013-09-24 CN CN201390001061.9U patent/CN204804943U/zh not_active Expired - Lifetime
- 2013-09-24 DE DE212013000278.5U patent/DE212013000278U1/de not_active Expired - Lifetime
- 2013-09-24 US US14/655,247 patent/US10060396B2/en active Active
- 2013-09-24 WO PCT/JP2013/075640 patent/WO2014122816A1/ja active Application Filing
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JPH06173695A (ja) * | 1992-12-10 | 1994-06-21 | Aisan Ind Co Ltd | 内燃機関の吸気装置 |
JP2004169628A (ja) * | 2002-11-20 | 2004-06-17 | Mikuni Corp | スロットル装置 |
JP2011074760A (ja) * | 2009-09-29 | 2011-04-14 | Mahle Filter Systems Japan Corp | 内燃機関の可変吸気装置 |
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BR112015017484B1 (pt) | 2022-01-04 |
US10060396B2 (en) | 2018-08-28 |
BR112015017484A2 (pt) | 2017-07-11 |
DE212013000278U1 (de) | 2015-09-14 |
JP6003692B2 (ja) | 2016-10-05 |
US20150330340A1 (en) | 2015-11-19 |
JP2014152632A (ja) | 2014-08-25 |
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