EP3077624A1 - Electric machine having a first and a second housing part - Google Patents
Electric machine having a first and a second housing partInfo
- Publication number
- EP3077624A1 EP3077624A1 EP14806611.1A EP14806611A EP3077624A1 EP 3077624 A1 EP3077624 A1 EP 3077624A1 EP 14806611 A EP14806611 A EP 14806611A EP 3077624 A1 EP3077624 A1 EP 3077624A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing part
- holding
- electrical machine
- housing
- clamp
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- 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
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid 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
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/805—Fastening means, e.g. bolts
-
- 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
- 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
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/39—Retaining components in desired mutual position by a V-shaped ring to join the flanges of two cylindrical sections, e.g. casing sections of a turbocharger
Definitions
- the invention relates to an electrical machine with a first and a second housing part, wherein at least one clip is arranged distributed over the circumference of the electric machine, according to the type of independent claims.
- the document DE 20 2004 013 907 U1 shows a pump consisting of a motor and a pump head.
- the pump head and the motor are connected by several clip connections.
- Each clip connection is made by the cooperation of a latching clip, which is attached via a Klipsflansch to the motor and a detent, which is located on the pump head.
- the locking bracket and the detents are distributed around the pump.
- the electric machine according to the invention has the advantage that a simple assembly of the housing parts to each other is possible. Next, the rotation of the housing parts to each other is possible. It is every angular position between the first and the second
- At least one holding area has at least one holding element, for example a receiving recess.
- At least one clip interacts with the retaining element.
- the clip engages, for example, in the receiving recess.
- the holding element in the holding area allows a simplified mounting of the clamp to
- the holding element provides the clamp with a defined area in which the clamp acts in the holding area on the respective housing part. Further, it prevents falling off or
- the retaining element may be formed as a receiving recess, in particular as a groove.
- the clip engages in the receiving recess.
- the receiving recess which is formed for example as a groove, can be determined exactly at which point the force of the clip acts on the housing part.
- the housing can thus be adapted to the force.
- the holding element may be formed as a radial projection. A radial projection prevents the clip from slipping off the housing part in the assembled state. Further, the radial projection defines an area in which the clip acts on the holding area of the housing part.
- At least one retaining element is in
- Length of a holding area extends.
- the extension of the holding element is carried out over 75% to 100%, in particular 85% to 100% of the holding area, or of the housing part.
- the surrounding with the housing holding element in the holding area allows additional simplification of the assembly.
- the first and the second housing part are in the circumferential direction substantially in each angular position to each other twisted mounted, in particular so that it can be mounted rotated by 360 degrees to each other.
- a continuous rotation is possible, which means the rotation is not only step by step.
- At least one holding portion, the first and / or second housing part is formed as a substantially circumferential flange.
- a flange can be retrofitted to housing parts.
- the invention can be subsequently applied to electrical machines. It is thus conceivable electrical
- At least one flange and a housing part are integrally formed.
- the first housing part comprises a flange.
- the flange is formed integrally with the housing part.
- the second housing part comprises a flange and the flange and the housing part are integrally connected to each other.
- both housing parts comprise a flange which is in particular integrally connected to the housing parts.
- Flange simplifies the manufacture of the electrical machine, since no subsequent attachment of a flange to one or both housing parts is necessary.
- the flange can for example be cast directly with the housing part in one operation.
- a particular embodiment is achieved in that at least one clip has at least one free end portion and the at least one free end portion comprises an engagement element.
- the engagement element interacts with at least one retaining element.
- a best possible hold on the holding elements can be achieved by the design of engagement elements at the end portions.
- the engagement elements of the brackets are adapted, for example, to the shape of the holding elements in order to achieve the best possible interaction.
- the assembly of the clamps on the holding elements can be optimized by the engagement elements.
- the end portions with the engagement elements are designed so that they have no sharp edges, whereby damage to the holding member or one of the housing parts is avoided during assembly.
- the engagement elements are designed, for example, as curves. The rounding is a bend. Also, the clamps are easier to remove from the electrical machine by the engagement elements. This is advantageous in a repair of the electrical machine.
- At least one clip is formed as a spring clip, in particular made of metal, preferably made of steel.
- Training the clip as a spring clip allows by the spring force squeezing the housing parts.
- distances between the housing parts can be prevented.
- Distances between the housing parts for example, lead to increased wear in vibration.
- the formation of the metal clamp further enables electrical contacting of the two housing parts.
- At least one clip has a C-shaped basic shape.
- the C-shaped basic shape has two free end sections.
- the free end sections engage, in particular engage behind the holding areas of the housing parts expediently by expanding the C-shape To achieve bias of the clamp, which ensures a secure abutment of the housing parts.
- a connecting element in particular a seal, preferably a wet seal is arranged between the first and the second housing part.
- Connecting element between the first and the second housing part can be made a defined distance. Furthermore, it may be advantageous to introduce a component with a material deviating from the housing parts between the first and the second housing part. This may be advantageous in particular when the material of the first housing part reacts with the material of the second housing part, in particular reacting chemically.
- the connecting element holds the first and the second housing part together.
- the connecting element can receive additional forces which abut against the latter in a less preferred direction of the clamp or the holding region.
- Connecting element provides the connection between the first and the second housing part, for example by gluing or increased surface friction.
- the connecting element is designed as an adhesive layer or element with an increased surface friction.
- the connector may also produce a welded, brazed, hot-caulked, pierced or vulcanized connection between the first housing part and the second housing part. Also a non-positive or positive
- Connection in particular by re-hooking, which press into the material of the housing parts, or vice versa lead to a support of the bracket and the retaining element in the cohesion of the two housing parts.
- the connecting element is a seal, in particular a wet seal.
- the material of the wet seal is applied in the liquid state to the point where the seal should later be. Subsequently, the wet seal hardens. Once the wet seal has cured, it can be used as a standard seal. Due to the use of a wet seal, due to its fluid mounting condition, Even with complex surfaces a seal with for the surface
- wet seal is a manufacture of a seal specifically for the
- the seal can thus also be used in very complex and winding areas.
- the wet seal may be additionally adhesive.
- the wet seal in addition to the sealing function also has a connection or holding function. By using a wet seal the effort for assembly is reduced.
- Connecting element is part of a pole pot.
- the pole pot separates the interior of the first housing part from the interior of the second housing part.
- the pole pot prevents the exchange of liquids and gases between the interior of the first and the interior of the second housing part.
- the first housing parts is designed as a pump motor housing and the second housing part as a pump head and vice versa.
- the first housing part is a pump housing and the second housing part is the pump head.
- the second housing part a
- Pump motor housing and the first housing part is a pump head. It is also possible, for example, that one of the housing is a motor, a gearbox, an electronics housing, a control housing, a plug housing, a plug is a holder or a fuse.
- FIG. 1 shows a first embodiment of an electrical machine
- FIG. 2 shows a plan view of the electrical machine according to FIG.
- FIG. 3 shows a clamp according to a first exemplary embodiment
- FIG. 4 shows a further embodiment of a clamp 20
- FIG. 5 shows schematically an exemplary embodiment with a holding element in the holding area
- Figure 6 shows schematically an embodiment with a receiving recess in the holding area
- FIG. 7 shows a plan view of an electric machine with a completely circumferential holding area
- Figure 8 shows an embodiment with a circumferential flange
- FIG. 9 shows an exemplary embodiment with a flange of the one
- Receiving recess has.
- FIG. 1 shows a first exemplary embodiment of an electric machine 1.
- the electric machine comprises a first housing part 10 and a second one
- the first housing part 10 has a first holding portion 14.
- the second housing part 11 has a second holding area 15.
- Each housing part includes a side surface 23 and at least one cover 22, which is shown in FIG. Figure 2 shows the top view of the electrical
- the second holding portion 15 is located between the dashed lines and the outer circumference, or the outer edge 13 of the second housing part 11.
- the holding portion 15 extends on the entire circumference of the housing part 11.
- the element 17 represents, for example, a shaft, a pump input or
- Figure 1 is located between the first housing part 10 and the second housing part 11 a
- the connecting element 18 may have the function of, for example, a wet seal, an insulator or a seal.
- connecting element 18 may be part of a pole pot.
- Connecting element 18 corresponds to a ring on the pole pot.
- the pole pot separates the interior of the first and the interior of the second housing part,
- the pole pot and the first housing part 10 form the drying space and the pole pot and the second housing part 11 form the wet space and vice versa.
- the sealing rings may be formed as an O-ring. But it is also conceivable every other form of the seal. Further, the sealing rings may be formed as a wet seal.
- a first clamp 20 is used to hold the two housing parts 10, 11 together. The clamp 20 fastens the two housing parts 10, 11 to each other. The clip 20 compresses the connecting element 18 and thus, in the case that the connecting element 18 is a seal, improves the seal between the
- Staples 20, 21 may any number of staples 20, 21, in particular at least 2, preferably 3 to 5, ideally 3 staples 20, 21 for
- a clamp 20 according to a first embodiment is shown in FIG.
- the clamp 20 includes a C-shaped portion 24.
- the C-shaped portion 24 is located between a first end portion 26 and a second end portion 27.
- the two end portions 26, 27 are respectively at the ends of the bracket 20.
- the end portions 26, 27 have a shape according to an S on.
- the first end section 26 has a first engagement element 30.
- the second end portion 27 has a second engagement element 31.
- the two engagement element 26, 27 act in the mounted state on the
- the engagement elements 30, 31 have a rounding.
- the rounding 33 is in direct communication with the holding area 14, 15.
- FIG. 4 shows a further embodiment of a clamp 20.
- the clamp comprises all the components according to the above-described clamp 20. However, it has a further curvature in the longitudinal direction. The others
- Curvature is adapted to the curvature, for example, of the circular housing parts 10, 11.
- the radius of curvature in the longitudinal direction corresponds to the radius of the electric machine 1.
- the holding region 14, 15 of the exemplary embodiment illustrated in FIG. 5 has a holding element 40 in each case.
- the holding element 40 runs as a kind of ring around the respective housing part 10, 11.
- the holding element 40, the respective housing part 10, 11 is made in one piece.
- the clamp 20 engages behind the engagement elements 30, 31, the holding elements 40.
- the holding member 40 prevents disengagement of the clamp 20 of one of the two housing parts 10, 11 and connected thereto a drop of the clamp 20 from the electrical
- FIG. 6 shows a further exemplary embodiment with a receiving recess 44 in the holding region 14, 15, of the first housing part 10 and of the second
- the receiving recess 44 extends substantially corresponding to the holding portion 14 in the circumferential direction along the outer edge 13, the housing parts 10, 11, in the cover 22 of the respective housing part 10, 11. It has consistently the same distance from the outer edge 13 of Housing part 10, 11.
- the receiving recess 44 may for example be a groove. In the receiving edge 44 engage the engagement elements 30, 31 of the clip 20 a.
- the receiving recess 44 like the holding element 40 of FIG. 5, prevents the clamp 20 from slipping off the two housing parts.
- the first and the second housing part 10, 11 formed circular and the holding elements, or the receiving recesses extend on a circular outer track in the holding portion 14, 15 of the two housing parts 10, 11.
- the invention allows a rotation of the two housing parts 10, eleventh relative to each other. This is of particular interest if
- Inputs 54 and outputs 55 depending on the external conditions, such as the engine compartment in which the electric machine to be mounted, must be arranged differently. For example, in a first construction, a pump outlet must face in a first direction relative to one of the housing parts, whereas in a second construction the pump outlet must be in a first direction
- FIG. 7 shows a plan view of a circular electric machine 1.
- a second housing part 11 with a cover 22 is shown.
- a receiving recess 44 in particular a groove.
- the receiving recess 44 engage the engagement elements 30, 31 of the bracket 20 a.
- the housing parts are held together by way of example by three brackets 20.
- the holding region 15 extends on an annular region on the cover 22.
- FIG. 8 shows an embodiment with a peripheral flange region.
- the flange region consists of a first flange 50 and a second flange 51.
- the first housing part 10 has the first flange 50.
- the first flange 50 forms a ring around the side surface 23 of the circular first housing part 10.
- the second housing part 11 comprises a second Flange 51.
- the second flange 51 forms a kind of ring around the side surface 23 of the second housing part 11.
- the first flange 50 and the second flange 51 are as close as possible, so with a small distance to each other.
- the two housing parts 10, 11 are separated from each other by the connecting element 18.
- the connecting element 18 also separates the two flanges 50, 51 from each other.
- Each flange comprises a holding region 14, 15.
- the clamp 20 also interacts here with the holding region 14, 15 of the two housing parts 10, 11.
- the clamp 20 presses the two housing parts 10, 11 against each other.
- the force of the clamp 20 is transmitted via the first and second flanges 50, 51 to the respective housing part.
- the flanges 50, 51 extend to the
- Figure 8 shows a pump.
- the first housing part 10 is the pump motor 10.
- the second housing part 11 is the pump head 11.
- the pump motor 10 drives a pump rotor.
- the pump rotor is not shown in FIG. 8 and is located inside the pump head 11.
- the pump head 11 comprises an inlet 54 and an outlet 55. Via the inlet 54
- Flange 50, 51 each having a receiving recess 44 in the holding portion 14, 15.
- the receiving recess 44 behaves in this case as already described above. Furthermore, it is conceivable that only one housing part, in particular the second
- Housing part 11 a flange 50, 51 with a holding portion 15 includes.
- the further housing part, in particular the first housing part 10 has only a single holding area 14 and vice versa.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013224912.8A DE102013224912A1 (en) | 2013-12-04 | 2013-12-04 | Electric machine with a first and a second housing part |
PCT/EP2014/076235 WO2015082462A1 (en) | 2013-12-04 | 2014-12-02 | Electric machine having a first and a second housing part |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3077624A1 true EP3077624A1 (en) | 2016-10-12 |
EP3077624B1 EP3077624B1 (en) | 2021-04-21 |
Family
ID=52007011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14806611.1A Active EP3077624B1 (en) | 2013-12-04 | 2014-12-02 | Electric machine having a first and a second housing part |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3077624B1 (en) |
DE (1) | DE102013224912A1 (en) |
WO (1) | WO2015082462A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018199818A1 (en) | 2017-04-24 | 2018-11-01 | Volvo Truck Corporation | A power generating unit |
JP6817891B2 (en) * | 2017-05-10 | 2021-01-20 | Kyb株式会社 | Cartridge type vane pump and pump device |
JP2020169578A (en) * | 2019-04-01 | 2020-10-15 | Kyb株式会社 | Cartridge type vane pump and pump device |
DE102022115407A1 (en) * | 2022-06-21 | 2023-12-21 | Valeo Powertrain Gmbh | Hydraulic pump and assembly consisting of such a hydraulic pump and a recording |
EP4390138A1 (en) * | 2022-12-20 | 2024-06-26 | Wilo Se | Centrifugal pump and method for producing a centrifugal pump |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE646962C (en) * | 1936-02-23 | 1937-06-24 | Ludwig Rees | Gear pump |
DE3210762A1 (en) * | 1982-03-24 | 1983-10-13 | Grundfos A/S, 8850 Bjerringbro | PUMP UNIT FOR HEATING AND WATER SYSTEMS |
DE3220448C1 (en) * | 1982-05-29 | 1983-08-11 | Grundfos A/S, 8850 Bjerringbro | Pump unit for heating and domestic water systems |
DE4118628A1 (en) * | 1991-06-06 | 1992-12-10 | Wilhelm Sauer Gmbh & Co Kg | Low wear electric membrane pump - has magnetic plate on centre of membrane moved by magnetic field from rotating magnetic plate |
JP3215470B2 (en) * | 1991-12-03 | 2001-10-09 | 松下冷機株式会社 | Scroll compressor |
DE4438249A1 (en) * | 1994-10-26 | 1996-05-02 | Bosch Gmbh Robert | Fuel supply unit for supplying fuel from tank to IC engine |
US6764284B2 (en) * | 2002-01-10 | 2004-07-20 | Parker-Hannifin Corporation | Pump mount using sanitary flange clamp |
JP2005291149A (en) * | 2004-04-02 | 2005-10-20 | Denso Corp | Fluid drive device |
DE202004013907U1 (en) | 2004-09-03 | 2006-01-12 | Rietschle Thomas Memmingen Gmbh | Pump e.g. rotary vane pump, has clip flange attached on motor and cooperating with head or its parts to form clip-connection that is indicated by hook and engaging parts, which are equidistantly arranged at circumference of flange |
-
2013
- 2013-12-04 DE DE102013224912.8A patent/DE102013224912A1/en not_active Withdrawn
-
2014
- 2014-12-02 EP EP14806611.1A patent/EP3077624B1/en active Active
- 2014-12-02 WO PCT/EP2014/076235 patent/WO2015082462A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP3077624B1 (en) | 2021-04-21 |
DE102013224912A1 (en) | 2015-06-11 |
WO2015082462A1 (en) | 2015-06-11 |
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