EP3559469A1 - Scroll compressor - Google Patents
Scroll compressorInfo
- Publication number
- EP3559469A1 EP3559469A1 EP17825232.6A EP17825232A EP3559469A1 EP 3559469 A1 EP3559469 A1 EP 3559469A1 EP 17825232 A EP17825232 A EP 17825232A EP 3559469 A1 EP3559469 A1 EP 3559469A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- scroll compressor
- housing
- spiral
- rch
- compressor according
- 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.)
- Withdrawn
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims description 33
- 238000006073 displacement reaction Methods 0.000 claims description 23
- 238000000746 purification Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 239000004071 soot Substances 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001617 migratory effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
Definitions
- the invention relates to a scroll compressor according to the preamble of
- Claim 1 Furthermore, the invention relates to an exhaust gas purification system and a motor vehicle with such a scroll compressor.
- a scroll compressor of the type mentioned is known for example from JP 2006/144635 A.
- JP 2006/144635 A describes a scroll compressor which is used as a compressor for a motor vehicle air conditioning system.
- the known scroll compressor comprises a movable displacement spiral which is mounted eccentrically.
- the VerdrDeutscherspirale engages in a stationary counter-spiral, which in one
- the well-known scroll compressor has a solid construction.
- the housing is equipped with a strong peripheral wall to withstand the high pressures in the CG air conditioning circuit. Disadvantages are
- Particulate filter must be regenerated at regular intervals or
- the object of the invention is to develop a scroll compressor of the type mentioned in such a way and adapt that this as
- Compressor is suitable for supplying oxygen into an exhaust gas stream.
- the scroll compressor should have a compact design and low weight in order to be easily integrated into existing exhaust systems can.
- Another object of the invention is to provide an exhaust gas purification system and a motor vehicle with such a scroll compressor.
- the invention is concretely based on the idea of specifying a scroll compressor with a movable displacement spiral, wherein the displacement spiral is rotatably connected to an eccentric bearing.
- the displacement spiral engages in a stationary counter-spiral so that between the turns of
- VerdrDeutscherspirale and the counter-spiral radially inwardly migrating chambers are formed.
- the counter-spiral is arranged in a housing with an at least partially cylindrical peripheral wall. According to the invention, it is provided that an outer diameter of the circumferential wall is at most 10%, in particular at most 8%, in particular at most 6%, larger than an outer diameter of the counter-spiral.
- the invention has the advantage that a compact design with low weight is ensured by adjusting the ratio between the outer diameter of the peripheral wall of the housing and the outer diameter of the counter-spiral. This is especially true when scaling the
- the scroll compressor is particularly compact.
- compliance with the diameter ratio ensures that the scaling of the Scroll compressors and thus possibly associated higher pressures in the compressor circuit sufficient stability of the scroll compressor is.
- Peripheral wall has a wall thickness which is between 1.5 mm and 4.5 mm, in particular between 2 mm and 3.5 mm, in particular 3 mm. It has been found that such wall thicknesses are sufficient to ensure efficient operation of the scroll compressor, to ensure the robustness of the scroll compressor and at the same time bring about a compact design with low weight.
- the housing has an outer diameter of at most 130 mm, in particular at most 120 mm, in particular at most 110 mm. With these outer dimensions it is ensured that the scroll compressor can be well integrated into existing installation spaces of a motor vehicle. This avoids a costly redesign of vehicle components.
- the housing is pot-shaped, in particular as a one-piece deep-drawn part is formed.
- the cup-shaped design of the housing facilitates the assembly of the scroll compressor and, on the other hand, reduces the necessary components, so that the scroll compressor as a whole can be manufactured inexpensively. A further improvement in terms of manufacturing costs and manufacturing costs is achieved in that in preferred
- the housing has a bottom which is integrally connected to the peripheral wall.
- the bottom can be formed integrally in the cup-shaped housing.
- the bottom can be formed by a thermoforming process on the housing.
- the housing has a housing cover, which has a fluid outlet, wherein the fluid outlet is aligned coaxially to the peripheral wall.
- the fluid outlet may be coaxially aligned with the fluid inlet.
- the housing cover of the housing in particular of the cup-shaped housing, may preferably be fixedly connected to the peripheral wall of the housing.
- the housing cover can be welded to the circumferential wall.
- a solid, in particular sealing connection, is expedient in order to achieve a high efficiency of the compressor power of the scroll compressor.
- the eccentric bearing is connected to a shaft which is rotatably mounted in a shaft bearing.
- the shaft bearing is
- the shaft bearing may in particular be aligned coaxially with a fluid inlet of the housing.
- the inlet-side shaft bearing may be disposed in a carrier that spans the bottom via the fluid inlet.
- the carrier may have a plurality of through openings, which are traversed by air.
- Scroll compressors is provided that the displacement spiral and / or the counter-spiral are formed from plastic.
- Plastic material is on the one hand appropriate to the weight of the
- the housing and / or the housing cover may be formed of steel and / or aluminum.
- the use of a metal increases the overall stability of the scroll compressor.
- the scroll compressor is thus protected against rockfalls to which the scroll compressor is possibly exposed depending on the installation in a motor vehicle.
- Particularly advantageous is the use of aluminum as a material for the housing, since this is corrosion resistant and very light.
- the scroll compressor can be run dry. This reduces the maintenance of the scroll compressor. In particular, a separate lubrication of the scroll compressor is unnecessary. This reduces the operating costs of the
- the scroll compressor is preferably designed to be double-flowed.
- a subsidiary aspect of the invention relates to an exhaust gas purification system of a gasoline engine with a scroll compressor described above. In the exhaust gas purification system may preferably be provided that the
- Scroll compressor is arranged in front of a soot particle filter and / or in front of a catalyst, so that by means of the scroll compressor, a secondary air flow into an exhaust gas stream upstream of the soot particle filter and / or upstream of the catalyst can be introduced.
- the scroll compressor is used in this constellation as
- Air compressor which makes it possible in the exhaust gas flow in addition to air, and thus to inject oxygen.
- the exhaust gas is enriched with oxygen and only then enters the soot particle filter.
- the oxygen can exert its effect by the
- soot particle filter is burned or regenerated.
- a motor vehicle with a gasoline engine and a previously described exhaust gas cleaning system is also disclosed and claimed.
- Fig. 1 is a longitudinal sectional view through an inventive
- FIG. 2 is a cross-sectional view through the compressor assembly including the positive displacement spiral and the counter-spiral of the scroll compressor of FIG. 1; and FIG. 3 to 6 are each a longitudinal sectional view through an inventive
- Scroll compressor according to a preferred embodiment in different phases of a preferred manufacturing process.
- a scroll compressor is shown in a longitudinal sectional view.
- the scroll compressor comprises a movable displacement spiral 13, which engages in a counter-spiral 14.
- the displacement spiral 13 and the counter-spiral 14 together form a compressor assembly 32.
- the displacement spiral 13 is rotatably connected to an eccentric 16.
- the eccentric bearing 16 is connected eccentrically to a shaft 15 by means of a bearing pin 16a. The total eccentric connection between the displacement spiral 13 and the shaft 15 ensures that the displacement spiral 13 within the housing 10 orbits in the stationary counter-spiral 14.
- the shaft 15 is in an inlet side shaft bearing 17 and a
- the exhaust side shaft bearing 25 is disposed in a center plate 24 that separates the compressor assembly 32 from a drive assembly 31.
- the drive assembly 31 includes a
- Electric motor 18 having a stationary stator 18a. Within the stationary stator 18a rotates a rotor 18b, which is advantageously arranged on the shaft 15 or formed as part of the shaft 15. Specifically, the shaft 15 may form a rotor 18b of the electric motor 18. For this purpose, the shaft 15 in the region of the stator 18a on the circumference distributed permanent magnets.
- the electric motor 18 is so far preferably designed as a brushless DC motor.
- the shaft 15 has, at an inlet side end, a journal 16b which extends into the inlet side shaft bearing 17.
- the bearing pin 16 b is formed integrally with the shaft 15.
- the inlet-side shaft bearing is held in a carrier 26.
- the carrier 26 spans over a fluid inlet 21 of a housing 10 of the scroll compressor.
- the scroll compressor has a housing 10, which may in particular be cup-shaped.
- the housing 10 comprises an at least partially cylindrical peripheral wall 11 and a bottom 12.
- the bottom 12 is preferably formed integrally with the peripheral wall 11.
- the bottom 12 and the peripheral wall 11 form separate components which are fixedly connected together to form the housing 10.
- the drive assembly 31, the compressor assembly 32 and the middle plate 24 are arranged.
- the electric motor 18 is disposed within the housing 10.
- the housing 10 has a fluid inlet 21 in the region of the bottom 12.
- the fluid inlet 21 is preferably arranged coaxially to the circumferential wall 11 and preferably designed as a connecting piece. Coaxially with the fluid inlet 21, the shaft 15 is also aligned.
- the fluid inlet 21 allows the supply of a fluid, in particular of air, into the housing interior 30
- Fluid inlet 21 is formed in the bottom 12 of the housing 10.
- the carrier 26 is arranged in the housing interior 30.
- the carrier 26 has at least one passage opening 26a, so that fluid flowing in via the fluid inlet 21 can flow into the housing interior 30, in particular into a suction space 30a.
- the suction space 30 a extends from the bottom 12 to the center plate 24 and receives mainly the electric motor 18.
- the housing 10 has a total of a motor portion 10 a and a
- Compressor section 10b on.
- the motor portion 10a extends in
- the motor portion 10a includes the suction space 30a of the housing 10 in this respect.
- the motor portion 10a integrally merges into the compressor portion 10b, in which the center plate 24 and the compressor assembly 32 is disposed.
- the compressor section 10b has an outer diameter which is larger than the outer diameter of the motor section 10a. In other words, the housing 10 follows the
- the peripheral wall 11 of the housing 10 is at least partially cylindrical.
- the peripheral wall 11 is in
- Compressor section 10b formed cylindrical.
- the peripheral wall 11 of the housing 10 has an outer diameter which is at most 10% larger than the outer diameter of the counter-spiral. As shown in FIG. 1 is clearly visible, the wall thickness of the peripheral wall 10 is comparatively small, whereby the scroll compressor receives a total of a compact design.
- the housing 10 is closed at the end with a housing cover 20, wherein the housing cover 20 has a fluid outlet 22.
- the fluid outlet 22 is coaxial with the circumferential wall 11, in particular coaxially with the fluid inlet 21, aligned.
- the fluid outlet 22 is formed by a connecting piece, which is formed integrally with the housing cover 20.
- the housing cover 20 preferably extends through the housing interior 30 and abuts against an inner circumferential surface of the circumferential wall 11.
- the housing cover 20 may in particular be welded to the circumferential wall 11 of the housing 10.
- Fig. 1 is also clearly visible that in the region of the motor portion 10a of the housing 10 outside the housing 10 further components are arranged.
- an electronics compartment 19 is provided, which is the electronic
- cooling fins 23 are provided in the region of the motor section 10a of the housing 10.
- the electronics chamber 19 and the cooling fins 23 each extend radially so far that their
- the housing 10 with the compressor section 10b and the motor section 10a and the bottom 12 is overall pot-shaped.
- the housing 10 may simply be designed as a deep-drawn part.
- the fluid inlet 21 is preferably integral with the bottom 12
- Recess 27 have.
- the recess 27 preferably passes directly into the fluid inlet 21.
- FIG. 2 is a cross-sectional view through the compressor assembly 32, in particular the displacement spiral 13 and the counter-spiral 14.
- the illustration according to FIG. FIG. 2 shows a view from above of a dome 28 of the displacement spiral 13 which extends over the eccentric bearing 26.
- Compressor assembly 32 four migratory chambers formed.
- Scroll compressor therefore has a double-flow design.
- the housing 10 is preferably cup-shaped.
- the production of the housing 10 can be done for example by a deep-drawing process.
- the bottom 12 and the fluid inlet 21 are preferably formed directly with the production of the housing 10.
- a recess 27 may be formed, which extends annularly around the fluid inlet 21.
- the bottom 12 is provided as a separate component and with the
- Peripheral wall 11 is firmly connected.
- the recess 27 is preferably integrally formed in the bottom.
- the inlet-side shaft bearing 17 is inserted with the carrier 26.
- the carrier 26 is positioned in the recess 27.
- the stator 18 a of the electric motor 18 is inserted or inserted into the motor portion 10 a of the housing 10.
- a further subassembly comprising the shaft 15 and the rotor 18 b is also guided coaxially via a cover opening 33 of the housing 10 into the housing interior 30.
- the bearing pin 16 b is inserted into the inlet-side shaft bearing 17, as shown for example in Fig. 4.
- the center plate 24 is inserted coaxially via the lid opening 33 in the housing 10.
- the central plate 24 with the shaft 15 and the rotor 18 b forms a compact, preassembled unit, which is uniformly inserted into the housing 10. This facilitates the assembly of the scroll compressor, since in this way an alignment of the shaft 15 to the outlet side
- Eccentric bearing 16 mounted on the bearing pin 16a of the shaft 15 (Fig. 4).
- Housing interior 30 introduced coaxially.
- the compressor spiral 13 and the counter-spiral 14 are aligned so that their spiral turns
- the counter-spiral 14 is preferably press-bonded to the peripheral wall 11 of the housing 10 simultaneously with insertion into the housing 10.
- the displacer coil 14 enters the compressor section 10b of FIG.
- Housing 10 is pressed. After complete assembly of the internal components of the scroll compressor within the housing interior 30 of the housing cover is inserted into the lid opening 33.
- the housing cover 20 can be pressed into the cover opening 33 with the housing 10, in particular the peripheral wall 11 (FIG. 5).
- a final step, in particular for sealing and stabilizing the connection between the housing cover 20 and the housing 10 a
- FIG. 6 A welding process is shown in FIG. 6 represented by a flash.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016125384.7A DE102016125384A1 (en) | 2016-12-22 | 2016-12-22 | Scroll compressor |
PCT/EP2017/084351 WO2018115424A1 (en) | 2016-12-22 | 2017-12-22 | Scroll compressor |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3559469A1 true EP3559469A1 (en) | 2019-10-30 |
Family
ID=60923488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17825232.6A Withdrawn EP3559469A1 (en) | 2016-12-22 | 2017-12-22 | Scroll compressor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3559469A1 (en) |
DE (1) | DE102016125384A1 (en) |
WO (1) | WO2018115424A1 (en) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62182486A (en) * | 1986-02-03 | 1987-08-10 | Matsushita Refrig Co | Scroll type compressor |
DE3604235C2 (en) * | 1986-02-11 | 1993-11-25 | Bosch Gmbh Robert | Scroll compressor |
JPH0681958B2 (en) * | 1986-10-21 | 1994-10-19 | 株式会社日立製作所 | Scroll compressor |
JPH02112685A (en) * | 1988-10-20 | 1990-04-25 | Sanyo Electric Co Ltd | Scroll type compressor |
US4938669A (en) * | 1989-01-23 | 1990-07-03 | Carrier Corporation | Scroll compressor with axial compliancy |
DE4136621A1 (en) * | 1990-11-16 | 1992-05-21 | Volkswagen Ag | Spiral assembly for compressor - has rotors of composite structure with blades of lighter material than disc |
JP3870642B2 (en) * | 1999-12-21 | 2007-01-24 | 株式会社デンソー | Electric compressor |
JP2002089462A (en) * | 2000-09-13 | 2002-03-27 | Toyota Industries Corp | Scroll type compressor and seal method for scroll type compressor |
JP3838174B2 (en) * | 2002-07-31 | 2006-10-25 | 株式会社デンソー | Electric compressor |
JP2006144635A (en) | 2004-11-18 | 2006-06-08 | Denso Corp | Scroll compressor |
DE102006048700B3 (en) * | 2006-10-14 | 2008-05-21 | Haldex Brake Products Gmbh | Compressed air supply device for exhaust treatment device of motor vehicle, particularly commercial vehicle, has compressed air, which is supplied to exhaust treatment device over compressed air vessel |
JP5109642B2 (en) * | 2007-12-18 | 2012-12-26 | 株式会社豊田自動織機 | Electric compressor |
-
2016
- 2016-12-22 DE DE102016125384.7A patent/DE102016125384A1/en not_active Ceased
-
2017
- 2017-12-22 EP EP17825232.6A patent/EP3559469A1/en not_active Withdrawn
- 2017-12-22 WO PCT/EP2017/084351 patent/WO2018115424A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2018115424A1 (en) | 2018-06-28 |
DE102016125384A1 (en) | 2018-06-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2305981B1 (en) | Electrical turbocharger | |
DE69515564T2 (en) | Side channel pump with noise-reducing device | |
DE102009005386A1 (en) | Charging device for an internal combustion engine | |
WO2018134122A1 (en) | Conveyor device for driving a gas | |
WO2020094510A1 (en) | Electric machine with a fluid-type cooling device | |
EP2616649B1 (en) | Exhaust gas treatment unit, in particular for an exhaust gas recirculation line | |
EP3559469A1 (en) | Scroll compressor | |
EP3559414A1 (en) | Scroll compressor | |
DE102011053954A1 (en) | Exhaust gas turbocharger for an internal combustion engine | |
DE102010006716A1 (en) | Charging device i.e. exhaust gas turbo charger, for increasing power of internal combustion engine in motor vehicle, has sealing area comprising labyrinth sealing device, where stator and area together form sealing device | |
DE102015209561A1 (en) | Pumping device and crankcase ventilation device | |
DE10335260A1 (en) | Secondary air conveyor for an internal combustion engine | |
EP2342464B1 (en) | Side channel blower, in particular secondary air blower for an internal combustion engine | |
EP4226044A1 (en) | Filter-and-throttle unit for a scroll compressor, and scroll compressor for a refrigerant circuit | |
DE102013203521A1 (en) | Sealing arrangement of an exhaust gas turbocharger, and turbocharger shaft for an exhaust gas turbocharger | |
DE19949322C1 (en) | Electric cooling fan for automobile engine has cooling air stream provided by fan used for cooling electronic control stage for electronically-commutated electric motor | |
DE102011109704A1 (en) | Compressor i.e. radial compressor, for compressing air to be supplied to reciprocating internal combustion engine of passenger car, has noise ring including longitudinal areas that exhibit angle smaller than specific degrees | |
DE102016011838A1 (en) | Turbine for an exhaust gas turbocharger of an internal combustion engine | |
DE102011111702A1 (en) | Turbine for supercharger for reciprocating piston internal combustion engine of passenger car, has seal element arranged between wall regions of respective walls, where wall regions limit gap along axial direction of turbine wheel | |
WO2018115430A1 (en) | Method for producing a scroll compressor | |
DE102013202073A1 (en) | Turbine housing for radial turbine wheel, particularly for turbocharger, has inlet channel and guide surface arranged on inlet channel near end of spiral chamber or arc chamber to introduce flow layer into input flow | |
DE102015224603A1 (en) | Runner for a pumping device | |
DE7627763U1 (en) | EXHAUST TURBOCHARGER | |
EP2342465A1 (en) | Side channel blower, in particular secondary air blower for an internal combustion engine | |
DE102010047823A1 (en) | Air intake for supercharger of internal combustion engine of passenger car, has air guide element arranged in suction pipework system upstream to compressor wheel, where air guide element avoids back flow of air from compressor wheel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20190516 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20210408 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20210819 |