EP3810937A1 - Verdichter mit direkt angetriebener variabler irisblende und aufladevorrichtung - Google Patents
Verdichter mit direkt angetriebener variabler irisblende und aufladevorrichtungInfo
- Publication number
- EP3810937A1 EP3810937A1 EP19725132.5A EP19725132A EP3810937A1 EP 3810937 A1 EP3810937 A1 EP 3810937A1 EP 19725132 A EP19725132 A EP 19725132A EP 3810937 A1 EP3810937 A1 EP 3810937A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- adjusting ring
- rotor
- compressor according
- charging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0253—Surge control by throttling
-
- 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
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
- F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/18—Rotors
-
- 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
- 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
- F04D29/464—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps adjusting flow cross-section, otherwise than by using adjustable stator blades
-
- 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
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
-
- 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
-
- 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
- F05D2260/00—Function
- F05D2260/50—Kinematic linkage, i.e. transmission of position
- F05D2260/57—Kinematic linkage, i.e. transmission of position using servos, independent actuators, etc.
Definitions
- Compressor with a directly driven variable iris and charging device Compressor with a directly driven variable iris and charging device
- the present invention relates to a compressor for a charging device of an internal combustion engine with a United compressor wheel, which is rotatably arranged on a rotor shaft; an air supply duct for directing an air mass flow onto the compressor wheel; an Irisblen arranged upstream in front of the compressor wheel, the mechanism has a plurality of adjustable slats via a rotatably mounted adjusting ring for closing and opening an aperture, so that a flow cross-section for the air mass flow to flow against the compressor wheel is variably adjustable; an actuator for rotating the adjusting ring; and a compressor housing.
- Such a compressor is known.
- exhaust gas turbochargers of internal combustion engines have such a compressor. Its operating behavior is characterized by a so-called compressor map, which describes the pressure build-up over the throughput for different compressor speeds or peripheral speeds.
- the stable and usable characteristic map of the compressor is limited by the surge limit for low throughputs, by the stuffing limit to higher throughputs and structurally mechanically by the maximum speed limit.
- a compressor is also used for the internal combustion engine. Engine selects the most favorable compressor map. The following requirements would have to be fulfilled: The full engine load line must lie completely within the usable map.
- the measures with narrowing the compressor inlet by reducing the cross-section shift the compressor map towards smaller throughputs by reducing the inlet cross-section by closing the construction immediately in front of the compressor. In the open state, the measures release the entire inlet cross-section as far as possible and thus do not influence or shift the map or only marginally.
- the adjustment mechanisms of the variable feed apparatus or of the cross-sectional narrowing measures are usually synchronized via a link mechanism, which in turn is driven or rotated via a rotary actuator with an adjustment lever and a type of coupling linkage or coupling element.
- a link mechanism which in turn is driven or rotated via a rotary actuator with an adjustment lever and a type of coupling linkage or coupling element.
- Such a compressor has the features described above.
- the slats of the iris mechanism are moved over the common adjustment ring.
- the adjusting ring has, for example, finger-like elements on its adjusting lever, into which a lever of the actuator shaft of the actuator engages. there the slats are rotatable and / or displaceable, for example by means of an actuating element, on the adjusting ring, for example the adjusting ring has grooves for mounting / guiding the slats.
- variable iris mechanism therefore has the task of adjusting the inlet mass flow of the compressor.
- the mechanism acts like a kind of masking of the outer area of the compressor inlet.
- the iris also takes over the function of a diverter valve as it can prevent the compressor from pumping. This makes it possible to actively influence the operating range of the compressor and additionally to keep the compressor at a stable operating point in the event of a sudden load shedding of the engine.
- the slats of the iris diaphragm mechanism When the slats of the iris diaphragm mechanism are rotated parallel to the axis of rotation of the compressor, the slats pivot radially inwards and thus lead to a desired narrowing of the inlet cross section directly in front of the compressor wheel.
- the slats are synchronized and moved via the adjustment ring.
- the rotation of the slats is triggered by turning the adjustment ring.
- the principle of operation is very similar to an iris in a camera.
- the present invention has for its object to provide a compressor of the type described above, which is characterized by a particularly simple structure.
- Air supply duct surrounding the rotor of an electric motor is formed.
- the solution according to the invention is characterized in that the adjusting ring is no longer controlled and moved by a separate actuator, but rather forms an integral part of the actuator. Rather, the adjusting ring simultaneously forms the rotor of an electric motor, so that when the electric motor is suitably energized, the adjusting ring is moved in one or the other direction, as a result of which the slats are moved to open or close the iris mechanism, ie are pivoted outwards or inwards, and thus lead to the desired widening or narrowing of the inlet cross section of the air supply duct.
- the corresponding torque transmission from the adjusting ring to the slats can be realized with the aid of actuating sections or actuating elements which are mounted or guided, for example, in grooves of the adjusting ring.
- the direct drive designed according to the invention has a number of advantages. In this way, previously separate functions are combined on one component. This results in a high degree of integration with fewer components and less installation space. This results in less wear and improved durability of the entire mechanism.
- the adjusting ring is preferably designed as a rotor of a torque motor.
- Torque motors are known. It is a multi-pole direct electric drive with which very high torques can be transmitted at relatively low speeds.
- a permanently excited brushless DC motor is used, which is preferably designed as an inner rotor (stator outside, rotor inside).
- the adjustment ring forms the rotor of the inner rotor.
- Such a torque motor is particularly suitable for realizing the corresponding rotary movements of the adjusting ring for pivoting the slats.
- the adjusting ring is turned clockwise or counterclockwise.
- the adjusting ring has a plurality of permanent magnets arranged around its circumference.
- a plurality of coils of the electric motor is preferably positioned on the inside of the compressor housing around its circumference. These coils can also be arranged on the inside of a special housing of the diaphragm mechanism or on the inside of any other fixed component.
- Magnets are therefore arranged on the adjusting ring or rotor, which are mounted at a distance around the circumference of the rotor. These magnets interact with the coils arranged at a distance on the inside of the compressor housing or orifice housing. By energizing the coils differently, a certain adjusting ring position is achieved, which represents a balance between the magnetic attraction and repulsion forces. Magnets and coils can be distributed over the entire circumference of the rotor and coils can be distributed over the entire circumference or only over part of the circumference.
- a preferred form of the invention therefore looks such that the adjusting ring, the iris mechanism and the compressor wheel are arranged one after the other in the flow direction of the air supply duct.
- the inflow channel therefore opens directly on the adjusting ring.
- the flow is thus passed through the adjusting ring through the orifice mechanism to the compressor wheel.
- the air flow thus also serves to cool the rotor of the electric motor, which acts as an adjusting ring.
- the rotor of the electric motor which is designed as an adjusting ring, can be designed such that it drives each lamella of the iris diaphragm mechanism synchronously.
- This can be implemented, for example, such that each lamella has an actuating element which engages in a groove in the adjusting ring for guiding the respective lamella.
- an embodiment can also be designed in such a way that the adjusting ring drives only one main lamella of the iris diaphragm mechanism directly, while the other lamellae are driven by the adjacent lamella.
- the present invention further relates to a Aufladevor direction for an internal combustion engine with a compressor of the type described above.
- Figure 1 is a schematic front view of the main components of a direct drive for an iris mechanism of a compressor
- Figure 2 is a schematic diagram from the side of the direct drive of Figure 1;
- Figure 3 is a partial sectional view of a compressor.
- the embodiment shown here relates to a compressor for a charging device for an internal combustion engine, which is provided with a compressor wheel 7, which is arranged in a rotationally fixed manner on a rotor shaft (not shown).
- the flow through the compressor wheel 7 is via an air supply duct 6.
- Flow cross section for the air mass flow to flow against the compressor wheel 7 is adjustable.
- the iris diaphragm mechanism 3 has three lamellae 8, which set a corresponding diaphragm opening 9.
- An adjustment ring 2 is used to adjust the individual slats 8.
- the adjustment ring 2 is rotated, as a result of which the slats 8 are pivoted inwards or outwards for adjusting the diaphragm opening.
- each lamella is provided with an actuating element which is guided in a corresponding groove (not shown) in the adjusting ring.
- Permanent magnets 5 are arranged at a distance from one another on the circumference of the adjusting ring 2.
- Coils 4 are located at intervals on the inside of the circumference of the compressor housing 1 of the compressor.
- the compressor housing 1 with the coils 4 forms the stator and the adjusting ring 2 with the magnets 5, the rotor of a torque motor.
- the adjusting ring 8 is rotated and thereby causes the slats to pivot in or out to adjust the aperture 9.
- the orifice mechanism 3 is located directly upstream of the compressor wheel 7 and the adjusting ring 2 is located directly upstream of the orifice mechanism 3.
- the adjusting ring 2 surrounds the inflow channel 6, so that during operation the air flow through the adjusting ring 2 and over the ball valve the mechanism 3 is passed to the compressor wheel 7. The air flow thus also serves to cool the rotor acting as the adjusting ring 2.
- the adjusting ring 2 is therefore integrated in the actuator for the iris diaphragm mechanism and represents the rotor of a torque motor.
- the number of magnets 5 and coils 4 shown in the figures is only an example. Depending on the energization of the coils 4, the adjusting ring 2 in FIG. 1 is turned to the left or right in order to open or close the diaphragm mechanism.
- FIG. 3 shows a partial sectional view of a compressor provided with an iris mechanism 3.
- a Ver dense wheel 7 is flowed through an air supply channel 6.
- An iris mechanism 3 is used to adjust the flow cross-section.
- the iris mechanism 3 has an adjusting ring 2, over the circumference of which permanent magnets 5 are arranged. Adjacent to this, 1 coils 4 are provided in the compressor housing. By energizing the coils 4, the adjusting ring 2 is rotated, whereby the iris mechanism 3 is opened or closed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018210085.3A DE102018210085A1 (de) | 2018-06-21 | 2018-06-21 | Verdichter mit direkt angetriebener variabler Irisblende und Aufladevorrichtung |
PCT/EP2019/062726 WO2019242954A1 (de) | 2018-06-21 | 2019-05-16 | Verdichter mit direkt angetriebener variabler irisblende und aufladevorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3810937A1 true EP3810937A1 (de) | 2021-04-28 |
Family
ID=66597601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19725132.5A Pending EP3810937A1 (de) | 2018-06-21 | 2019-05-16 | Verdichter mit direkt angetriebener variabler irisblende und aufladevorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US11378003B2 (de) |
EP (1) | EP3810937A1 (de) |
CN (1) | CN112313415B (de) |
DE (1) | DE102018210085A1 (de) |
WO (1) | WO2019242954A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022054598A1 (ja) * | 2020-09-09 | 2022-03-17 | 株式会社Ihi | 遠心圧縮機および過給機 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3950756B2 (ja) * | 2002-07-10 | 2007-08-01 | キヤノン株式会社 | 駆動装置及び光量調節装置 |
DE102004004976A1 (de) * | 2004-01-31 | 2005-08-18 | Mtu Aero Engines Gmbh | Vorrichtung zum Verstellen von Leitschaufeln |
US7568503B2 (en) * | 2005-08-10 | 2009-08-04 | Cameron International Corporation | Compressor throttling valve assembly |
JP4849516B2 (ja) * | 2005-10-21 | 2012-01-11 | キヤノン株式会社 | 駆動装置及び光量調節装置 |
DE102006029370A1 (de) * | 2006-06-27 | 2008-01-03 | Robert Bosch Gmbh | Verfahren zur Steigerung des Ladedruckaufbaus bei aufgeladenen Verbrennungskraftmaschinen |
DE102007006936A1 (de) * | 2007-02-13 | 2008-08-14 | Robert Bosch Gmbh | Brennkraftmaschine, Steuergerät für eine Brennkraftmaschine und Verfahren zum Betreiben einer Brennkraftmaschine mit Turbolader |
US20090095350A1 (en) * | 2007-10-16 | 2009-04-16 | Walter Douglas Bauman | Actuator for an air intake valve |
DE102009052982A1 (de) * | 2009-10-31 | 2011-05-05 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Variable Turbinen- und/oder Verdichtergeometrie |
DE102011121996B4 (de) | 2011-12-23 | 2013-07-11 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Vorrichtung zum Betrieb eines Verdichters |
DE102012011423B3 (de) * | 2012-06-08 | 2013-11-07 | Audi Ag | Verdichtereinrichtung und Verfahren zum Verdichten von Zuluft für eine Verbrennungskraftmaschine eines Fahrzeugs |
BE1022401B1 (nl) * | 2014-09-19 | 2016-03-24 | Atlas Copco Airpower, Naamloze Vennootschap | Inlaatklep voor een compressor |
US9683484B2 (en) | 2015-03-10 | 2017-06-20 | Honeywell International Inc. | Adjustable-trim centrifugal compressor, and turbocharger having same |
US10465706B2 (en) * | 2016-04-19 | 2019-11-05 | Garrett Transportation I Inc. | Adjustable-trim centrifugal compressor for a turbocharger |
DE102016210011B4 (de) * | 2016-06-07 | 2018-03-08 | Ford Global Technologies, Llc | Aufgeladene selbstzündende Brennkraftmaschine mit Abgasrückführung und Verfahren zum Betreiben einer derartigen Brennkraftmaschine |
-
2018
- 2018-06-21 DE DE102018210085.3A patent/DE102018210085A1/de active Pending
-
2019
- 2019-05-16 EP EP19725132.5A patent/EP3810937A1/de active Pending
- 2019-05-16 WO PCT/EP2019/062726 patent/WO2019242954A1/de active Application Filing
- 2019-05-16 CN CN201980041692.5A patent/CN112313415B/zh active Active
-
2020
- 2020-12-16 US US17/124,164 patent/US11378003B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2019242954A1 (de) | 2019-12-26 |
CN112313415B (zh) | 2022-09-09 |
DE102018210085A1 (de) | 2019-12-24 |
US11378003B2 (en) | 2022-07-05 |
US20210102490A1 (en) | 2021-04-08 |
CN112313415A (zh) | 2021-02-02 |
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