Classifications

• • 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
  • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
  • F02M35/10236—Overpressure or vacuum relief means; Burst protection
• • 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
  • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
  • F02B37/12—Control of the pumps
  • F02B37/16—Control of the pumps by bypassing charging air
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
  • F16K1/32—Details
  • F16K1/34—Cutting-off parts, e.g. valve members, seats
  • F16K1/36—Valve members
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K27/00—Construction of housing; Use of materials therefor
  • F16K27/02—Construction of housing; Use of materials therefor of lift valves
  • F16K27/029—Electromagnetically actuated valves
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K31/00—Actuating devices; Operating means; Releasing devices
  • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
  • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
  • F16K31/0644—One-way valve
  • F16K31/0648—One-way valve the armature and the valve member forming one element
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K31/00—Actuating devices; Operating means; Releasing devices
  • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
  • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
  • F16K31/0644—One-way valve
  • F16K31/0655—Lift valves
• • 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
  • F02M35/10157—Supercharged engines
• • 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
  • F02M35/10249—Electrical or electronic devices fixed to the intake system; Electric wiring
• • 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 invention relates to a diverter valve for controlling the pressure in a suction section of an internal combustion engine, with a housing and with a formed in the housing flow path, wherein the flow path can be released and / or closed by a piston which can be placed on a valve seat, wherein the piston with a pin is connected, which is movable by means of an electromagnetically generated force, wherein a movement of the pin is transmitted to the piston.
• the diverter valve is therefore used to avoid an over ⁇ moderate pressure build-up behind the turbocharger due to the gas taking away, the so-called coasting.
• a bypass channel is opened, which allows the air between turbo ⁇ bolader and throttle valve to flow around the turbocharger, so that this air can be promoted again by the turbocharger when needed.
• the diverter valve can be controlled to below ⁇ Kunststoffmug manner to keep the pressure between the turbocharger and the throttle valve at a constant level.
• pneumatically controlled Schubumluft ⁇ valves are known. These valves are primarily controlled by a vacuum control.
• electromagnetic diverter valves are known, which can be controlled via a control unit.
• a metallic pin which is connected to a piston, adjusted by an electromagnetic field against a restoring force of a mechanical spring to release a closed by the piston flow path or to close this.
• the pin is mounted on at least two independent points relative to a housing.
• a disadvantage of such double bearings is in particular that at least two fits must be produced with close tolerances between the pin and the bearing elements. Also fits between the bearing elements and the housing must be created with small tolerances.
• the installation of such a diverter valve is very complex and as a result of ent ⁇ standing tolerance chain can lead to particularly high tilt angles of the pin, whereby the functionality and in particular the accuracy of the diverter valve are greatly impaired.
• Diverter valve for use in a drive system with an internal combustion engine and with a turbocharger to provide, which has a simplified storage of the pin or the piston and thus allows easier installation and a more accurate opening and closing of the diverter valve.
• the task with respect to the diverter valve is achieved by a diverter valve with the features of claim 1.
• An embodiment of the invention relates to a Schubum ⁇ air valve for regulating the pressure in a suction of an internal combustion engine, with a housing and with a formed in the housing flow path, wherein the flow ⁇ distance can be released and / or closed by a piston which can be placed on a valve seat, wherein the piston is connected to a pin which is movable by means of an electromagnetically generated force, wherein a movement of the pin is transmitted to the piston, wherein the bearing of the pin is realized within the diverter valve by exactly one sliding sleeve, the pin relative is movable to the sliding sleeve.
• a diverter valve allows the venting of an intake in front of an internal combustion engine.
• the diverter valve can release a flow path through which fluid can escape from the intake section.
• the fluid which is preferably formed by air or by an air-fuel mixture, escapes from the intake path and is fed back to another suitable location, for example in the flow direction upstream of the turbocharger.
• the storage of the pin with only one sliding sleeve is advantageous because the tolerances are determined within the storage only by the tolerances of the sliding sleeve and the pin.
• the possible tilting errors of the pin within the sliding sleeve are determined only by the tolerance chain of the two elements. Compared to a storage in at least two mutually spaced bearing elements this is particularly advantageous, since lower disturbances occur due to the lower number of parts.
• the sliding sleeve advantageously comprises the pin over a longer extent in the axial direction in order to ensure the most accurate possible guidance of the pin.
• the sliding sleeve comprises the pin in the axial direction over an extension which is greater than half the axial extent of the pin.
• the sliding sleeve when the sliding sleeve is received in a bearing sleeve and the bearing sleeve is arranged in the housing of the diverter valve is particularly advantageous.
• the sliding sleeve advantageously in the diverter valve it is preferably received in a bearing sleeve which is received even in the casing of the Schubum ⁇ air valve.
• it can be a simple on ⁇ adjustment of the sliding sleeve to the bearing sleeve or put the other way around before ⁇ .
• a tailor-made alignment of the sliding sleeve can be achieved in different housings of a diverter valve in a simple manner.
• the inner circumferential surface of the sliding sleeve follows in its shape of the outer lateral surface of the pin, wherein between the sliding sleeve and the pin a fit is formed, which allows a sliding of the pin in the sliding sleeve.
• This is particularly advantageous in order to produce the largest possible sliding surface between the pin and the sliding sleeve.
• the play between the sliding sleeve and pin is be ⁇ vorzugt particularly small to avoid tipping the pin in the sliding sleeve or minimize.
• a preferred exemplary embodiment is characterized in that the sliding sleeve has a first area with a first outer diameter and a second area with a second outer diameter, wherein the first outer diameter is smaller than the second outer diameter.
• Such a design is particularly advantageous to ensure easy mounting of the sliding sleeve.
• the sliding sleeve when the sliding sleeve is pressed into the bearing sleeve, the sliding sleeve can be particularly easily inserted into the bearing sleeve due to the region of the smaller outer diameter.
• a reduction of the contact surfaces due to the region of smaller outer diameter is advantageous to keep the necessary assembly forces as low as possible. It is also preferable if the bearing sleeve has a first area with a first outer diameter and a second area with a second outer diameter, wherein the first outer diameter is smaller than the second outer diameter.
• Section having a first inner diameter and a second portion having a second inner diameter, wherein the first inner diameter is smaller than the second réelle trimmes ser.
• the sliding sleeve abuts with the outer surface of the first region on the inner surface of the first portion of the bearing sleeve and the sliding sleeve rests with the outer surface of the second region on the inner surface of the second portion of the bearing sleeve.
• This is especially before ⁇ geous to provide a stable support of the sliding sleeve in the bearing sleeve and at the same time not to generate unnecessarily large contact surface between the conduct sleeve and the bearing sleeve.
• This additionally simplifies assembly.
• the sliding sleeve is pressed with the bearing sleeve. As a result, the play between the sliding sleeve and the bearing sleeve can be minimized or eliminated altogether. A tight fit of the sliding sleeve in the bearing sleeve can thus be achieved.
• bearing sleeve is pressed with the housing. This is advantageous to ensure a secure and accurate fit of the bearing sleeve in the housing.
• the sliding sleeve has on its outer surface in the axial direction extending recesses, whereby the outer surface is divided into segments which are circumferentially spaced from each other.
• the recesses which may be milled approximately in the outer surface of the sliding sleeve, form air channels, through which in particular a pressure compensation in the housing of the diverter valve can be generated.
• air channels through which in particular a pressure compensation in the housing of the diverter valve can be generated.
• the channels generated by the recesses preferably extend between the sliding sleeve and the bearing sleeve.
• the raised segments formed between the recesses are preferably spaced apart in the circumferential direction of the sliding sleeve by the recesses. It is advantageous to produce at least three raised segments in order to ensure secure positioning of the sliding sleeve in the bearing sleeve and to prevent tilting.
• a magnetic element is arranged, which is inserted after the press-fitting of the sliding sleeve in the bearing sleeve, wherein the magnetic element is spaced in the radial direction to the pin.
• the magnetic element is advantageous, in particular for the magnetic flux, which is generated by the electromagnet to move the pin, and to generate a closed loop of the magnetic field lines. In this way, an effect of the magnetic forces can be reduced to surrounding components.
• the magnetic element is preferably designed as a disc-shaped ring element and is inserted after pressing the sliding sleeve in the bearing sleeve in the bearing sleeve.
• the magnetic element is also pressed with the La ⁇ gerhülse.
• FIG. 1 shows a sectional view through a diverter valve, wherein a pin is arranged centrally in the diverter valve, the one-sided with a piston 2 and is a perspective view of four elements of the diverter valve shown in Figure 1, in particular the sliding sleeve, the bearing sleeve, the pin and the magnetic element are shown.
• the diverter valve 1 shows a diverter valve 1.
• the diverter valve 1 has a housing 2, which can be flowed through along a flow path.
• an electromagnet 3 is arranged, which can be energized by a voltage source, not shown, whereby electromagnetic forces can be generated, which can act on the disposed in the diverter valve 1 pin 4.
• the pin 4 is rod-shaped with a circular cross section and in the embodiment of Figure 1 with a central axial through hole 6teurset zt.
• the pin 4 is guided in a sliding sleeve 5 and can be moved relative to the sliding sleeve 5 in a translational direction up and down.
• the sliding sleeve 5 is formed as a tubular body and surrounds the pin 4 in the circumferential direction completely.
• the sliding sleeve 5 is received in a bearing sleeve 7, which in turn is received in a suitable recess 8 in the housing 2.
• the sliding sleeve 5 and the bearing sleeve 7 are pressed together.
• the sliding sleeve 5 has at its upwardly directed end portion 9 has a smaller outer diameter than at its downwardly directed end portion 10.
• the bearing sleeve 7 has at its upper
• the sliding portion 5 can be introduced from below into the bearing sleeve 7 due to the different inner diameter and outer diameter, since there is first an air gap between the inner surface of the bearing sleeve 7 and the outer surface of the sliding sleeve 5 , If, during assembly, the upper end region 9 of the sliding sleeve 5 comes into the upper end region 11 of the bearing sleeve 7, a contact between the sliding sleeve 5 and the bearing sleeve 7 is formed. At the same time, a contact is created between the lower end regions 10 and 12 so that the sliding sleeve 5 ultimately rests on two contact areas on the bearing sleeve 7.
• the magnetic element 13 serves primarily to shield the elements of the diverter valve 1 below the sliding sleeve 5 from the magnetic field lines generated by the electromagnet 3.
• the magnetic element 13 is formed in the example of Figure 1 as a disk-shaped ring member.
• FIG. 2 shows four elements of the diverter valve 1 of FIG. 1.
• the sliding sleeve 5 is formed as a tubular body with a central through hole 20.
• the sliding sleeve 5 is formed as a tubular body with a central through hole 20.
• Circumferentially circumscribing the sliding sleeve 5 has four recesses 23 which are arranged spaced apart in the circumferential direction by 90 degrees and extend in the axial direction over the entire length of the sliding sleeve 5. These recesses form with the inner surface of the bearing sleeve 7 channels through which a pressure balance between the cavities above the sliding sleeve 5 and below the sliding sleeve 5 can be achieved.
• the bearing sleeve 7 which also corresponds to a tubular body.
• the section 24 with a smaller inner diameter and the section 25 with a larger inner diameter can be seen.
• the bearing sleeve has a substantially constant wall thickness in the axial direction.
• the bearing sleeve 7 is shown in Figure 2 in the same orientation as in Figure 1.
• the sliding sleeve 5, however, is shown rotated by approximately 180 degrees.
• the outer dimensions of the pin 4 are selected such that the pin 4 can slide on the inner surfaces of the sliding sleeve 5.
• the sliding sleeve 5 has in particular an equal ⁇ constant inner diameter.
• the magnetic element 13 is shown, which is designed as a disk-shaped ring element.
• the magnetic ⁇ diagram element has at least at its upward circulation on the outer peripheral edge a chamfered bevel 26, which in particular, the insertion into the bearing sleeve 7 facilitates.
• the magnetic element 13 is dimensioned such that it can be clamped with respect to the inner wall of the bearing sleeve 7.
• the bore 27 through the magnetic element 13 is dimensioned such that the pin 4 can be guided freely and without contact through the bore 27.
• Figures 1 and 2 show in particular a special design of a diverter valve 1 and in particular the mounting of the pin 4 within the housing 2. Also other con ⁇ structive embodiments of the bearing sleeve 7, the sliding sleeve 5 and the pin 4 are within the scope of the invention providable. An essential feature is that the storage of the pin 4 is realized by only one bearing in the form of a sliding sleeve.
• Figures 1 and 2 in particular has no limiting character and serves to illustrate the inventive concept.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Magnetically Actuated Valves (AREA)
• Lift Valve (AREA)
• Supercharger (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=56321950

Family Applications (1)

Country Status (6)

Families Citing this family (1)

Family Cites Families (12)

• 2015
  • 2015-07-09 DE DE102015212913.6A patent/DE102015212913A1/de not_active Ceased
• 2016
  • 2016-07-01 WO PCT/EP2016/065588 patent/WO2017005657A1/de unknown
  • 2016-07-01 JP JP2018500459A patent/JP2018519474A/ja active Pending
  • 2016-07-01 CN CN201680040011.XA patent/CN107735553A/zh active Pending
  • 2016-07-01 EP EP16734377.1A patent/EP3320198A1/de not_active Withdrawn
• 2018
  • 2018-01-08 US US15/864,390 patent/US20180128217A1/en not_active Abandoned

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