WO2009083292A1 - Appareil de production de rotation et turbocompresseur équipé d'un tel appareil - Google Patents

Appareil de production de rotation et turbocompresseur équipé d'un tel appareil Download PDF

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Publication number
WO2009083292A1
WO2009083292A1 PCT/EP2008/064520 EP2008064520W WO2009083292A1 WO 2009083292 A1 WO2009083292 A1 WO 2009083292A1 EP 2008064520 W EP2008064520 W EP 2008064520W WO 2009083292 A1 WO2009083292 A1 WO 2009083292A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
swirl
generating apparatus
guide
vane
Prior art date
Application number
PCT/EP2008/064520
Other languages
German (de)
English (en)
Inventor
Andre Kaufmann
Michael Klaus
Original Assignee
Continental Automotive Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Priority to EP08868301.6A priority Critical patent/EP2225467B1/fr
Publication of WO2009083292A1 publication Critical patent/WO2009083292A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0246—Surge control by varying geometry within the pumps, e.g. by adjusting vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/51—Inlet

Definitions

  • the invention relates to a swirl generating apparatus for generating a pre-swirl and a turbocharger with such a swirl generating apparatus, wherein by means of the swirl generating apparatus in a compressor of the turbocharger, a pre-whirl capable of shifting the surge line to lower mass flows can be generated.
  • the compressor of an exhaust gas turbocharger is characterized by a characteristic map in which the pressure is specified as a function of the turbocharger speed and the mass flow, wherein for a corresponding turbocharger speed and a corresponding mass flow, a predetermined pressure can be generated according to the characteristic map.
  • This characteristic field is limited by the so-called stuffing limit for large mass flows.
  • the map is limited by the surge limit. This so-called surge limit occurs due to a stall at the compressor wheel inlet or at the compressor wheel outlet or both.
  • the pumping limit in the compressor map can be shifted towards smaller mass flows by means of a pre-whirl and the compressor can be used over a broader map range.
  • the pre-twist can be realized with the help of pre-routers in radial or axial design.
  • KSM characteristic-stabilizing measures
  • pre-axial devices in axial or radial construction are known.
  • the first The process is characterized by a complex compressor housing geometry with extensive machining and is only suitable for larger compressors.
  • the use of a predilution device results in a negative pressure, which thus requires a greater pressure ratio of the compressor in order to achieve the same engine operating point.
  • Conventional Vordrall Sharpen characterized by a comparatively complex structure with many moving components.
  • the gap flow between the blades of the Vordralleinrich- device and the housing wall can be cited as a disadvantage. A false flow of the vanes at different vane positions can not be avoided.
  • the swirl generating device has a cylindrical tubular section-shaped body, with inner vanes or wings and is inserted into a charge air line.
  • the swirl generating device is made in one piece by injection molding of a thermoplastic see plastic with a hardness of about 45 Shore D, so that the wings have a required flexibility. Air flowing to the compressor through the charge air passage flows axially through the swirl generation nozzle.
  • the swirl generation in the swirl generating guide device is determined on the one hand by the design of the vanes and, on the other hand, by the flowed-on wing surface, which decreases with increasing mass flow, in accordance with the projection in the flow direction. As a result of their elastic deformation, the wings cover a decreasing part of the area being flowed on as the mass flow increases.
  • the swirl generator has the disadvantage that no compact design can be achieved by the axial flow through the apparatus. Furthermore, the vanes can not be selectively adjusted, but deform themselves due to a mass flow passing through the apparatus. However, it can happen that the fine are not optimally flowed and this can lead to pressure losses.
  • a swirl generating apparatus in particular for a turbocharger, for generating a pre-swirl
  • the swirl generating apparatus comprising: a housing comprising first and second housing elements, wherein vanes are arranged circumferentially between the housing elements, the housing being formed in such a way in that a gaseous medium flows laterally along the circumference into the housing, wherein the housing has a guide element, which deflects the gaseous medium in a substantially axial direction before it flows out of the housing, and an adjusting device for adjusting the guide vanes to create a variable pre-whirl.
  • the swirl generating apparatus has the advantage that a pre-whirl can be generated by the movable guide vanes, which is suitable, for example, when the swirl generator is arranged in front of a compressor of a turbocharger, the surge limit of the compressor by means of generating a suitable pre-swirl towards lower mass flows to move. Furthermore, the lateral inflow of the gaseous medium over the circumference into the housing and the subsequent deflection of the flow allows, so that they in a- xialer direction flows out of the housing a more compact design compared to the previously described axially flow-through swirl generating device according to the prior art.
  • the swirl-generating apparatus of the invention requires a smaller angle of attack with the vanes and enables the generation of a larger pre-swirl, the pressure loss being less than that of the prior art swirl-generating nozzle described above, since the vanes can be suitably adjusted via an adjusting device.
  • the first and second housing elements form a spiral around the guide vanes with at least one feed for a gaseous medium, such as air.
  • a gaseous medium such as air.
  • the gaseous medium having a radial velocity component can be supplied to the guide vanes.
  • the embodiment has the advantage that the housing can be particularly easily integrated into a turbocharger.
  • the respective guide vanes have a kind of teardrop shape, wherein the guide vanes are arranged with their first broader end (leading edge) directed outwards and with their second narrower end (exit edge) directed into the housing interior, for example substantially radially.
  • the guide vanes may have any shape which is suitable for being aligned by adjustment or rotation in such a way that a desired pre-whirl can be generated.
  • the guide vanes instead of a teardrop shape, in which the guide vanes are provided with a broad leading edge and a narrowly tapering trailing edge, the guide vanes may also have the same cross section throughout, ie the leading edge and the trailing edge have the same latitude. However, this is just one example of many how a vane can be formed.
  • the guide vanes can have any cross-sectional characteristics, depending on which flow is to be achieved.
  • the leading edge of each vane is fixed to the first and second housing members, and the trailing edge of the respective vane is movably secured to the first and / or second housing members.
  • the trailing edge of the vane is for this purpose connected to the adjusting device in order to move the guide vane, so that a predetermined pre-whirl can be generated.
  • the housing with the guide vanes may, for example, be of one-part design, wherein the housing is designed to be elastic at least in the area in which the outlet edge of the guide vanes is fastened thereto in order to simulate the movement of the guide vanes, if these are adjusted via the adjusting device ,
  • At least the vane and a portion of the housing to which the vane is movably mounted are made of an elastic material.
  • the elasticity or flexibility of the material is selected, for example, such that the guide vane can be rotated and the area of the housing makes this movement of the guide vane.
  • the region of the first and second housing elements, to which the leading edge of the respective vane is attached is made of an elastic material, such as an elastomeric material, of metal or a metal alloy and / or of a solid or elastic or flexible plastic.
  • Fig. 1 is a perspective view of the swirl generating apparatus according to an embodiment of the invention
  • FIG. 2 is a side view of the swirl generating apparatus of FIG. 1;
  • 3a is a perspective view of a vane of the swirl-generating apparatus in the undisguised state or in the initial state;
  • 3b, c are two perspective views of the vane of the swirl-generating apparatus, when they are adjusted via an adjusting or twisted;
  • FIG. 4 is a side sectional view of a compressor and a swirl generating apparatus according to an embodiment of the invention
  • FIG. 5 shows a section Z-Z of the swirl-generating apparatus according to FIG. 5;
  • FIG. 6 is a sectional view A-A of the swirl generating apparatus of FIG. 4.
  • FIG. 6 is a sectional view A-A of the swirl generating apparatus of FIG. 4.
  • the swirl-generating apparatus 10 in this case has a housing 12.
  • the housing 12 consists of a first and second housing element 14, 16, wherein between the two housing elements 14, 16, a plurality of guide vanes 18 are arranged.
  • the guide vanes 18 are arranged in the region of the circumference of the two housing elements 14, 16.
  • the housing 12 is in this case formed in the region of the guide vanes 18 such that a gaseous medium, such as air, can flow laterally over the circumference into the housing or flow into the guide vane channels 13 with a radial velocity component and into the guide vanes Inside the housing 12 can flow.
  • the housing 12 has, for example, a substantially circumferential spiral 48, which is indicated in FIGS. 1 and 2 with a dashed line, and has at least one feed for the gaseous medium.
  • the first housing element 14 is provided in its center with a guide element 20 in the form of, for example, a conical element.
  • the conical element 20 can be formed on the first housing element 14 or as a separate
  • the guide element 20 or cone-shaped element serves to divert or redirect the gaseous medium which flows around the guide vanes, which are for example substantially radially arranged, into an axial flow.
  • the axially redirected flow then flows in the axial direction through an outflow channel 22 of the second housing element 16.
  • the outflow channel 22 in the form of a cylindrical tube section and the guide element 20 are preferably located on a longitudinal axis 24.
  • the swirl-generating apparatus 10 can be arranged, for example, in a turbocharger in front of a compressor.
  • the gaseous medium flows with a suitable pre-whirl from the outflow channel 22 to the compressor or its compressor wheel, in order to shift the pumping limit of the compressor to lower mass flows.
  • the swirl generating apparatus 10 is in this case arranged, for example, in an area in front of the compressor of the turbocharger in a correspondingly shaped housing section.
  • the swirl generator 10 has the advantage that the substantially radial arrangement of the vanes and the deflection of the flow from a radial to an axial direction, the swirl generator 10 and, accordingly, the housing 12 can be made smaller and more compact in the turbocharger than when an axial swirl generating device is provided, as is the case in the previously described prior art.
  • the guide vanes 18 are designed to be movable or elastic and / or flexible.
  • the guide vanes 18 are, for example, at least partially or completely made of an elastic or flexible material, such as an elastomer material.
  • the elastomer material is chosen, for example, such that it is heat-resistant or heat-resistant, depending on the environment in which it is used and the temperatures prevailing there.
  • An adjustable blading of the swirl generating apparatus 10 ensures that a pre-whirl can be set during operation of the compressor near the pumping limit and the pumping limit is shifted to low mass flows. During normal operation of the compressor no or only a very small pre-whirl is generated.
  • the adjustability is achieved by the use of the guide vanes 18, for example made of an elastomer material.
  • the guide vanes 18 are fixed to the housing 12 at their leading edge 26, for example. At the vane outlet or at the outlet edge 28, they can be rotated or rotated in the circumferential direction by means of an adjusting device 30. Depending on the operating point of the compressor, a pre-whirl can be generated at the inlet to the compressor.
  • an elastic and / or flexible material for example an elastomer or rubber material, or another suitable elastic and / or flexible material or material combination, it is achieved that the blade geometry at its leading edge is almost independent of the pre-twist to be adjusted. Misflow of the vanes 18 and associated flow losses are minimized. Likewise, the elastic deformation of the guide vanes 18 in the different vane positions ensures a good flow-mechanical vane profile without abrupt changes in the flow direction. Excessive pressure loss across the stator is avoided.
  • the guide vanes 18 can be integrated into the housing 12, which is also at least partially or completely made of an elastic material, such as an elastomer material.
  • the adjustment of the blades 18 then takes place via a rotation of the housing wall of the corresponding first and / or second housing element 14, 16. This ensures that substantially no gap arises between the housing wall and the guide vanes 18, which considerably reduces the flow losses.
  • the use of a plastic allows a simple and cost-effective production of the guide vanes 18 or of the swirl-generating apparatus 10.
  • the guide vanes 18 or the swirl-producing apparatus 10 can be realized essentially as one component, for example. In contrast to the use of metallic materials, no large number of individual movable components is necessary.
  • FIG. 2 shows a side view of the swirl-generating apparatus 10 according to the invention.
  • the housing 12 with the two housing elements 14, 16 is shown. Between the two housing elements 14, 16 while the vanes 18 are arranged.
  • the first housing element 14 in this case has a conical guide element 20, the tip of which may protrude, for example, into the region of the outflow channel 22 of the second housing element 16.
  • the conical guide element but may also be sufficient, for example, to the end of the outflow channel or beyond.
  • the illustration in FIG. 2 is purely exemplary.
  • the gaseous medium first flows into the guide vane channels 13 at the circumference 32 of the housing 12 with a radial velocity component and flows through the vane channels 13 until the gaseous medium is deflected by the guide element 20 in an axial direction. Subsequently, the gaseous medium flows out of the outflow channel 22 of the second housing element 16 in the axial direction.
  • FIG. 3a an example of a shape of a vane 18 is shown in FIG. 3a.
  • the vane 18 is formed, for example, in a kind of teardrop shape, i. the vane 18 has a wide leading edge 26 which tapers towards the outlet 28.
  • the leading edge 26 is fixed or fixed in the region 34 of the housing 12 on the first and second housing element 14, 16.
  • the outlet edge 28 is in turn movably fastened in the direction of the outlet region 36 of the housing 12.
  • the outlet edge 28 is in this case connected to the adjusting device 30 in order to be suitably rotated or rotated by means of the adjusting device 30 in the circumferential direction.
  • the guide vane 18 is shown in an initial state in which the vane 18 is not adjusted or rotated by the adjusting device 30 in FIG.
  • FIGS. 3b and 3c the vane 18 is rotated or rotated via the adjusting device 30. More specifically, the vane 18 is rotated in the region of the housing contour 38, while not in the region of the hub contour side 40 or, for example, only slightly rotated. Basically, however, the hub contour side 40 as the housing contour side 38 can be designed according to either movable. As a result, both ends of the outlet edge 28 can be rotated or rotated substantially equally.
  • the embodiment of the swirl-generating apparatus 10 according to the invention is shown in a sectional view, wherein the swirl generating apparatus 10 is arranged in front of a compressor 42 of a turbocharger 44 or is secured in a region of the compressor housing 46 in front of it.
  • the attachment of the swirl-generating apparatus 10 is shown purely as an example in FIG. 4 and greatly simplified.
  • the swirl generating apparatus 10 is preferably suitably sealingly attached to the compressor housing 46 of the turbocharger 44, so that on the one hand this can not unintentionally come loose and, on the other hand, no leaks occur between the swirl generating apparatus 10 and the compressor housing 46.
  • the housing 12 or the first and second housing element 14, 16 of the swirl-generating apparatus 10 have the previously mentioned spiral 48 in the area outside the guide vanes 18. This is provided with at least one inlet or a feed 50 for a gaseous medium, such as air.
  • the swirl-generating apparatus 10 is arranged, for example, in front of the compressor 42 or its compressor wheel 52.
  • the first housing element 14 with the guide element 20 may be made of an elastic and / or flexible, such as an elastomeric material or other suitable material, or a solid material, such as a solid heat or heat-resistant plastic, made of metal or a metal alloy or a combination of at least two or three of the aforementioned materials.
  • the second housing element 16 is at least in the region 54 of the attachment of the trailing edge 28 of the respective vane 18 of an elastic Materi- al, such as an elastomeric material formed. In principle, the second housing element 16 can also consist essentially completely of the elastic material.
  • the region 56 of the fastening of the leading edge 26 of the respective guide blade 18, the discharge channel 22 and / or the region of the spiral 48 to the feed 50 for the gaseous medium can also consist of an elastic material and / or of a solid material heat or hit Resistant plastic and / or metal or a metal alloy.
  • the adjusting device 30 has, for example, an adjusting ring 58, which is connected to the second end or the outlet edge 28 of the respective guide vane 18, for example via a pin element 60.
  • the pin element 60 is, for example, only with the second one Housing element 16 is not connected but with the first housing element 14. Should both ends of the trailing edge 18, ie the end of the trailing edge 18 on the first and second housing elements 14, 16 are rotated, the pin element 60 is preferably connected to the first and second housing elements 14, 16, wherein the two housing elements 14, 16 at least in the region of the trailing edge 18 consist of an elastic material to track the rotation of the vane 18. By twisting both ends of the trailing edge 18, the two ends can, for example, be rotated substantially equally.
  • the pin element 60 can have any desired cross section, for example a circular, oval and / or rectangular cross section.
  • the cross section can be the same throughout or vary.
  • the pin element can be additionally reinforced in order, for example, to obtain a desired twist profile.
  • this can be reinforced, for example, additionally by at least one or more reinforcing ribs.
  • reinforcing ribs are merely an example of how the respective pin member 60 can be reinforced. The invention is not limited to this example.
  • the vanes 18 may be rotated accordingly to produce a suitable pre-whirl, to minimize shifting of the surge line of the compressor 42. allow mass flow. 4, 3b and 3c, the trailing edge 28 of the vane 18 is rotated in the present example on the housing contour side 38, ie on the side of the second housing member 16, while the trailing edge 28 of the guide vane 18 on the Nabenkon- turseite 40th or the side of the first housing element 14, for example, not or only slightly rotated.
  • FIG. 5 shows an enlarged detail Z-Z of a guide blade 18 and the adjusting device 30.
  • the region 56 of the second housing element 16 is shown, in which the leading edge 26 of the guide vane 18 is attached.
  • the guide vane 18 is fixedly connected to the second housing element 16.
  • a portion 54 of the second housing member 16 is shown, which consists of an elastic material and on which the trailing edge 28 of the vane 18 is movably fastened.
  • the second housing element 16 is designed to be elastic in this area, so that the housing 12 can adapt to the movement of the guide blade 18 in this area or can join it.
  • the adjusting ring 58 is provided on the outside of the housing 12, wherein the adjusting ring 58 consists for example of metal or a metal alloy.
  • the adjusting ring 58 is connected, for example via the pin member 60 with the trailing edge 28 of the vane 18.
  • the adjusting ring 58 is rotated via at least one actuator (not shown) to rotate or translate the trailing edge 28 of the vanes 18 a predetermined amount to the right or left to produce a suitable pre-whirl in this manner.
  • FIG. 6 also shows a greatly simplified sectional view AA of the swirl generating apparatus 10 according to FIG. 4.
  • the guide element 20 was not shown for reasons of clarity.
  • the first housing element 14 is shown, with the guide vanes 18 and furthermore the spirale Ie 48, which is arranged around the guide vanes 18 and the feed 50 for supplying the gaseous medium.
  • the shape of the vanes 18, as shown in the figures, is merely exemplary.
  • the present invention is not limited to the adjusting device 30 described above with an adjusting ring 58, which is connected to a pin element 60, for example. It will be apparent to those of ordinary skill in the art that there are a variety of ways of making the trailing edge 28 of the vanes 18 reciprocable properly via a device.
  • the present invention is not limited to the configuration of the housing 12, as described with respect to the embodiment previously shown.
  • the housing 12 may be formed in a variety of ways to allow a radial velocity component of the flowing medium to enter the vane channels and subsequent axial deflection of the flow. The same applies to the integration of the swirl generating apparatus 10 in the
  • Compressor housing 46 of the turbocharger 44 The connection of the compressor housing 46 of the turbocharger 44 with the swirl generator 10 can also be done in various ways, as long as the swirl generator 10 can not unintentionally detach from the housing 44 and no leaks between the swirl generator 10 and the housing 44th occur.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un appareil de production de rotation (10), en particulier pour un turbocompresseur (44), pour produire une prérotation, sachant que l'appareil de production de rotation présente un carter (12) constitué d'un premier et d'un deuxième éléments de carter (14, 16), sachant : que des aubes directrices (18) sont disposées entre les éléments de carter le long de la circonférence; que le carter est conçu de telle sorte qu'un fluide gazeux pénètre latéralement dans le carter le long de la circonférence; et que le carter présente un élément directeur (20), qui dévie le fluide gazeux dans une direction essentiellement axiale avant qu'il quitte le carter, et un dispositif de réglage (30, 58) pour régler les aubes directrices (58), afin de produire une prérotation.
PCT/EP2008/064520 2007-12-21 2008-10-27 Appareil de production de rotation et turbocompresseur équipé d'un tel appareil WO2009083292A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08868301.6A EP2225467B1 (fr) 2007-12-21 2008-10-27 Appareil de production de rotation et turbocompresseur équipé d'un tel appareil

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007062204A DE102007062204A1 (de) 2007-12-21 2007-12-21 Drallerzeugungsapparat und Turbolader mit einem solchen Drallerzeugungsapparat
DE102007062204.1 2007-12-21

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Publication Number Publication Date
WO2009083292A1 true WO2009083292A1 (fr) 2009-07-09

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EP (1) EP2225467B1 (fr)
DE (1) DE102007062204A1 (fr)
WO (1) WO2009083292A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009012971A1 (de) * 2009-03-12 2010-09-16 Bosch Mahle Turbo Systems Gmbh & Co. Kg Ladeeinrichtung für Brennkraftmaschinen
FR2950105A1 (fr) * 2009-09-14 2011-03-18 Coutier Moulage Gen Ind Systeme tourbillonnaire pour conduit d'air

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011088032A1 (de) * 2011-12-08 2013-06-13 Bosch Mahle Turbo Systems Gmbh & Co. Kg Ladeeinrichtung
ITUA20161854A1 (it) * 2016-03-21 2017-09-21 Nuovo Pignone Tecnologie Srl Compressore centrifugo con pale del diffusore senza perdite di flusso e metodo di assemblaggio di un compressore centrifugo

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Publication number Priority date Publication date Assignee Title
EP0044564A1 (fr) 1980-07-22 1982-01-27 Nissan Motor Co., Ltd. Turbo-compresseur à dispositif pour supprimer le pompage
DE19856275A1 (de) 1998-12-07 2000-06-08 Fev Motorentech Gmbh Ladeluftverdichter für einen Kraftfahrzeugmotor
US20060042588A1 (en) * 2004-09-01 2006-03-02 Kindl Helmut M Swirl generator for a radial compressor
GB2425332A (en) 2005-04-23 2006-10-25 Siemens Ind Turbomachinery Ltd Providing swirl to the compressor of a turbocharger

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DE2060271A1 (de) * 1970-12-08 1972-06-29 Kuehnle Kopp Kausch Ag Verfahren zur selbsttaetigen Einstellung des Eintrittsdralles bei Verdichten der Abgasturbolader und Leitapparat dazu
DE3817839A1 (de) * 1988-05-26 1989-12-07 Audi Ag Vorrichtung zur drallerzeugung im einstroembereich von stroemungsmaschinen
DE10250302B4 (de) 2002-10-29 2004-12-09 Bayerische Motoren Werke Ag Drallerzeugungseinrichtung für einen Verdichter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044564A1 (fr) 1980-07-22 1982-01-27 Nissan Motor Co., Ltd. Turbo-compresseur à dispositif pour supprimer le pompage
DE19856275A1 (de) 1998-12-07 2000-06-08 Fev Motorentech Gmbh Ladeluftverdichter für einen Kraftfahrzeugmotor
US20060042588A1 (en) * 2004-09-01 2006-03-02 Kindl Helmut M Swirl generator for a radial compressor
GB2425332A (en) 2005-04-23 2006-10-25 Siemens Ind Turbomachinery Ltd Providing swirl to the compressor of a turbocharger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009012971A1 (de) * 2009-03-12 2010-09-16 Bosch Mahle Turbo Systems Gmbh & Co. Kg Ladeeinrichtung für Brennkraftmaschinen
FR2950105A1 (fr) * 2009-09-14 2011-03-18 Coutier Moulage Gen Ind Systeme tourbillonnaire pour conduit d'air

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Publication number Publication date
DE102007062204A1 (de) 2009-09-03
EP2225467B1 (fr) 2016-12-14
EP2225467A1 (fr) 2010-09-08

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