CN102405330A - Vacuum pump housing and cooling element set for a vacuum pump housing - Google Patents
Vacuum pump housing and cooling element set for a vacuum pump housing Download PDFInfo
- Publication number
- CN102405330A CN102405330A CN2010800176028A CN201080017602A CN102405330A CN 102405330 A CN102405330 A CN 102405330A CN 2010800176028 A CN2010800176028 A CN 2010800176028A CN 201080017602 A CN201080017602 A CN 201080017602A CN 102405330 A CN102405330 A CN 102405330A
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- Prior art keywords
- cooling
- cooling element
- vacuum pump
- pump housing
- lateral sides
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/064—Cooling by a cooling jacket in the pump casing
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- 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
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- 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
- F01C21/007—General arrangements of parts; Frames and supporting elements
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- 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
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- 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
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
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- 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
- F04C29/04—Heating; Cooling; Heat insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
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- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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- 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
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/21—Manufacture essentially without removing material by casting
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- 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
- F04C2240/30—Casings or housings
Abstract
A vacuum pump housing has a pump housing (26) that forms a suction chamber. Pump elements are located in the suction chamber. A cooling element (10) is situated on a flat outer face (30) of the pump housing (26). The cooling element (10) has at least one cooling channel (12) that opens towards the outer face (30) of the pump housing (26). The invention also relates to a cooling element set comprising several cooling elements (10, 42, 44, 46) with different external dimensions.
Description
Technical field
The cooling element group that the present invention relates to a kind of vacuum pump housing and be used for the vacuum pump housing.
Background technique
Vacuum pump comprises the pumping element that is arranged in the pumping chamber that is formed by housing.Vacuum pump mainly is configured to screw pump, one or more levels Roots pump, rotary vacuum pump and pawl formula pump.In order to produce vacuum, need between the inwall of pumping element and pumping chamber, realize the gap of minimum possibility size.For this reason, need be under the operating temperature of homogeneous as far as possible operated vacuum pumps, to avoid because the change in the possible occurrent said gap that the thermal dilation difference of pump case and pump element causes.
Vacuum pump with cooling fin is provided and is known through utilizing air-flow coolant pump housing.Yet; According to these schemes, only under situation, for example by special measure; Through the shell can accurately guide air and have external ventilation system (by one in the pump shaft or by independent drive unit drives) is installed, housing evenly and cooling accurately will be normally possible.This device has such shortcoming: concrete cooling performance (hot-fluid of per unit area) will be lower.In addition, heat dissipation is normally undesirable in the surrounding environment.Especially in clean indoor environment, must avoid to the maximum possible degree appearance of air-flow.In addition, the ventilation equipment unit is undesirable noise source.
In addition, realize that by means of water or cooling liquid the cooling of vacuum pump housing is known.To need special Construction Measures through water cooling.On the one hand, in order to reach the cooling effect of high likelihood, water must be directed to as close as possible must cooled zones.On the other hand, water will make and can not under the situation that need not take special protective measures, make water the corrosive action of most of materials.For fear of corrosion, for example might use, such as the resistant material of stainless steel or special aluminum alloy.Yet this material price is expensive and do not satisfy other prerequisite that is used for the vacuum pump housing, for example, such as heat-resisting quantity, particularly is higher than 250 ℃.In addition, may be to being gone up japanning by those surfaces of water contact.Yet the japanning reliably that is arranged in the respective channel of enclosure interior will be very complicated.This enamelling process must be carried out or carry out through the rotation or the tumbling motion of the liquid lacquer that is used to distribute through dipping bath.Also known plating surface treatment method, such as such as zinc-plated or nickel plating under the situation of steel and gray cast iron, or the hard anodizing under the situation of aluminium.Yet these methods are also very complicated.Another kind of known method is to use consutrode, yet this method is also very complicated, and, particularly under the situation in internal cooling channel, can not prevent corrosion reliably.
Substituting and utilizing water is also can use special cooling liquid as freezing mixture.Yet only cooling circuit itself is closed under the cost that is increasing complexity, and this will become possibility.Especially, need be through the cools down freezing mixture that must provide in addition.
Also possibly pass through machining,, transform vacuum pump housing, the cooling channel is arranged on by in the castiron vacuum pump housing with cooling channel particularly through milling and boring.Consequent needs to extra process step consuming time will make this selection very complicated.Also possibly during foundry processing, form the cooling channel.For this reason, core is provided.This method is also very complicated, and even relates to the risk that cooling water possibly receive the pollution of sand residue for a long time.In addition, the setting of the inserted mode system passage that is shaped by core, though maybe, will apply a large amount of restrictions to shape, cross section and the path of this passage, because this is molded accomplishes by means of core, core need have enough stability for foundry processing.Therefore, being provided with of such cooling channel will be limited the scope of possible shape and possible operational condition widely, and possible operational condition comprises, for example, and stability, operating temperature and media compatibility.
Summary of the invention
The purpose of this invention is to provide a kind of can be with simple mode, particularly through using the vacuum pump housing of liquid cooling medium cooling.In addition, independent purpose of the present invention is to provide the cooling element group that is used for vacuum pump with highly variable.
According to the present invention, above-mentioned purpose is respectively through vacuum pump housing and the cooling element group realization as limiting in the claim 15 as limiting in the claim 1.
The housing that is used for vacuum pump comprises the pump case that limits pumping chamber.Being arranged in the pumping chamber is pump element, such as, such as helical rotor.According to the present invention, pump case comprises the exterior lateral sides at least one plane.The said preferably exterior lateral sides on smooth plane is connected on the cooling element.According to the present invention, said cooling element comprises at least one, a plurality of alternatively cooling channels, and above-mentioned cooling channel is towards the exterior lateral sides opening of pump case.Cooling element through will preferably forming separated components is connected on the pump case, and the approximal surface on plane that is preferably such that cooling element is towards the exterior lateral sides on the plane of pump case, and this has generation the cooling channel of the sectional shape of sealing.Therefore, in the inventive arrangement such of the cooling element that preferably forms separated components, need cooling fin or similar structure originally be set on one's body in pump case.Therefore, pump case can have more simply structure, has therefore reduced cost of production.For the coolant pump housing, pump element of the present invention will be connected on the exterior lateral sides on plane then.Especially, this has the following advantages: cooling element can be fabricated to separated components.
Because cooling element does not comprise the cooling channel of internally arranging, and on the contrary, its cooling channel is towards the exterior lateral sides opening of pump case, the manufacturing of cooling element is simple.Cooling element can be set to molded components, and preferably, the cooling channel will can not form in the later stage in process of production, and will in cooling element, be set to corresponding groove or recess in advance.In this article, the cooling channel can have appropriate structures, makes in mold, to make cooling element.The cooling channel preferably includes the demoulding gradient.Therefore, not necessarily need the subsequent treatment through cooling element produce the cooling channel, for example, such as through the milling cooling channel.Under the situation of cooling channel smooth, broad, also will need not be provided for producing the core or the analog of cooling channel with bigger demoulding gradient.Preferably, cooling element comprises the approximal surface on plane, this approximal surface under assembled state towards the exterior lateral sides of pump case.Under assembled state, therefore said approximal surface preferably is parallel to the exterior lateral sides of pump case.
For example, can cooling element directly be fastened on the exterior lateral sides through utilizing screw or other securing means.Preferably, seal element is arranged in the fringe region of cooling element at least, also is arranged on the surface of the exterior lateral sides of pump case.Said seal element can be liquid seal element, sealing compound or analog.The annular seal element of closed in itself preferably, and preferably have the circular crosssection; This seal element is O shape ring preferably.Preferably, sealed groove is arranged in the exterior lateral sides of pump case and/or is arranged in the side relative with said exterior lateral sides of cooling element, that is, according to concrete preferred implementation, be arranged in the approximal surface of cooling element.In the sealing groove, be furnished with seal element.Can for being provided with a sealed groove respectively, two surfaces make there will be two sealed grooves that preferably, two sealed grooves are arranged relative to one another.Except that this seal element, or substitute this seal element be, according to preferred embodiment, the seal element on a kind of exterior lateral sides that is positioned at pump case is provided, the sealing element is preferably the Noodles type.Said seal element preferably covers exterior lateral sides fully.Except that its sealing function, therefore seal element also can have the effect of the exterior lateral sides protect it from corrosion of protection pump case.This eliminated to the plane of pump case and be preferably the needs of for example using on the exterior lateral sides of having handled such as for the coating of the corrosion-resistant agent of lacquer.
At least one cooling channel that is arranged in the cooling element preferably has tortuous structure.Selectively, a plurality of cooling channels that for example have a different cross section also can be arranged in the cooling element.This makes it possible to connect in a different manner one and be same cooling element, and therefore realizes different cooling effects.Certainly, also can different cooling channels be linked together.
Each cooling channel includes at least one inlet and at least one outlet.Preferably, a plurality of inlets and/or outlet are set, more preferably, two inlets and two outlets are set.This has advantageously provided a plurality of connections and has selected, thereby makes it possible to select the connection that for example can get into better or allow more easily to install.
Said at least one inlet and/or outlet preferably are arranged in the lateral surface of cooling element.Said lateral surface is the side directed at a certain angle with respect to the approximal surface of cooling element, be with respect to cooling element towards directed at a certain angle side, the side of exterior lateral sides.For example, in the hexahedral cooling element of almost parallel, said lateral surface is extended perpendicular to approximal surface.Alternately, inlet and/or outlet can be arranged on the exterior lateral sides, that is, particularly be arranged on the side of the cooling element of relatively arranging with the side of approximal surface.
According to especially preferred embodiment, said inlet and/or outlet are arranged in such a way: make their seal towards the exterior lateral sides of pump case.Therefore, will quite easily make Sealing.Preferably, inlet and/or outlet form boring.These borings preferably form cylinder open, connect the cooling channel towards the exterior lateral sides opening of pump case.Said cylinder open is sealed towards the exterior lateral sides of pump case, that is, and and towards the approximal surface sealing of cooling element.
According to especially preferred embodiment,, therefore there is the risk of corrosion because employed cooling medium will be such as such as being the cooling liquid of water.For fear of this corrosion, possibly anti-corrosion layer is set for the inner side of cooling channel.For this reason, maybe, for example, carry out electroplating processes for corresponding finish coatings or to it, for example, zinc-plated or nickel plating.In addition, for example, under the situation of aluminium casting mold, can use hard anodizing technology.Consutrode also can be provided for being protected from corrosion.Preferably, cooling element is processed by the material as consutrode.In addition, cooling element can comprise consutrode and can be processed by corresponding material whole or in part.
According to especially preferred embodiment, cooling element is manufactured to grey casting mold or spherical molded components, is perhaps also processed by corrosion resistant aluminium or stainless steel casting alloy.Formed mo(U)ld face will not be vulnerable to corrosion when being exposed to water.It also will be cheap producing this component through grey casting mold, spherical casting mold or aluminium casting mold.Another kind of possibility is to produce cooling element by copper, brass or bell metal.
The invention further relates to a kind of cooling element group that is used for vacuum pump.Said cooling element group comprises a plurality of cooling elements with different outside dimensions.Each cooling element is provided with at least one cooling channel towards the approximal surface opening of cooling element.Under assembled state, the approximal surface of cooling element is towards the exterior lateral sides of vacuum pump housing, and forms the cooling channel with closed cross-section with said exterior lateral sides.Comprising the cooling element group of different cooling elements through design, can be that different pump types provides the cooling element that is fit to separately with the mode of alterable height.
The cooling element of cooling element group comprises, for example, and approximal surfaces different sizes, that be preferably rectangle.When design vacuum pump housing, the designer only need pay close attention to the outer surface of formation corresponding to the size of one or more cooling elements.Therefore, with not being the different cooling element of different vacuum pump case design.
For example, the cooling element group not only can comprise the cooling element that has different big or small approximal surfaces and/or have the approximal surface of different geometrical constructions, also can comprise the cooling element of the cooling channel with different cross section shape.Therefore, for the purposes of given vacuum pump and given vacuum pump, the technician can be provided with the different cooling element with different cooling performances easily.According to preferred embodiment, independent cooling element is to combine the aforesaid way design of vacuum pump housing.Especially, the cooling element that preferably has parallelepiped shape or comprise the parallelepiped matrix has at least one inlet and at least one outlet.As stated, these entrance and exits preferably are arranged in lateral surface or are positioned on the exterior lateral sides of cooling element.Therefore, can via cooling pipe the cooling channel be connected on the cooling system in an easy manner.
Description of drawings
Below will be through preferred embodiment and be described in greater detail with reference to the attached drawings the present invention.
In the accompanying drawings, following structure is shown:
Fig. 1 is the perspective schematic view of first mode of execution of cooling element;
Fig. 2 is the schematic cross sectional views of dissecing along line II-II of Fig. 1;
Fig. 3 is the partial view of the cooling element similar with cooling element shown in Figure 2;
Fig. 4 is the schematic cross sectional views that the line III-III along Fig. 1 dissects;
Fig. 5 is the view of the example of cooling element group.
Embodiment
The cooling element 10 that in illustrated embodiment (Fig. 1), forms the parallelepiped molded components comprises indentation cooling channel 12.Cooling channel 12 is configured as the groove towards approximal surface 14 openings.Said groove can be processed during molding process through utilizing corresponding casting mold.Alternately, being used to form the groove of cooling channel 12 can be through such as such as processing for the mechanical processing technique of milling.Cooling channel 12 has U-shaped cross section (Fig. 2), makes cooling element on its exterior face 16, seal.In illustrated embodiment, be used for the cooling channel and be arranged on exterior lateral sides 18 with outlet 22 with the inlet that is connected 20 of cooling pipe.Said inlet 20 forms transverse holes (Fig. 4) with outlet 22.Therefore, approximal surface 14 seals in the zone of these transverse holes 20,22.This has the advantage that can realize providing sealing with better simply mode.
In illustrated embodiment, 20 and two outlets 22 of two inlets are set.These inlets and outlet are arranged in corner region in the mutually perpendicular different exterior lateral sides 18 each time.This layout has such advantage: the connection of cooling channel can be via a realization of the correspondence in two inlet openings 20 and two exit openings 22, and this connection can freely be selected according to corresponding needs.This is favourable, because according to the type of cooling element 10 employed pumps, will have the different clearance condition.
In addition, pump element 10 is provided with and is used for attached a plurality of through holes 24, and said hole extends to approximal surface 14 from exterior face 16.Thus, cooling element 10 can for example easily be fastened on the pump case 26 (Fig. 2) through screw.This schematically illustrates through the dot and dash line among Fig. 2 28.
In illustrated embodiment, approximal surface 14 is not directly to abut against on the exterior face 30 plane, that handled of pump case 26.On the contrary, face seal 32 is located between two parts.Said Sealing 32 fully covers exterior face 31 and approximal surface 14.Therefore, Sealing 32 not only is used to realize the sealing layout of cooling element 10 on housing, but also is used to make the various piece (Fig. 2) of cooling channel 12 relative to each other sealed to each other.In addition, because this face seal 32 is set, the exterior face of having handled 30 of protection pump case 26 is not corroded.In addition, face seal 32 also is used for the anti-corrosion protection of approximal surface 14, and in mode of execution shown in Figure 2, approximal surface 14 also has been given full surface treatment.The inside face 34 of cooling channel 12 can be provided with the anti-corrosion protection coating, such as, such as lacquer.Yet preferably, said inside face 34 is untreated mo(U)ld faces; Wherein, Cooling element 10 is preferably processed through grey casting mold or spherical foundry processing manufacturing or by corrosion-resistant aluminium or stainless steel casting alloy, makes formed mo(U)ld face with respect to freezing mixture, promptly; Particularly water is corrosion resistant.
In another mode of execution (Fig. 3), cooling element 10 has the structure similar with the structure shown in Fig. 2.The difference part only is, is arranged in web part 36 between the adjacent portion of cooling channel 12 and in the zone 38 of approximal surface 14, keeps and be untreated.When the face seal element 32 of respective thickness is set; Need not handle said part; Because seal element 32 is compressed in said regional 38; And therefore, seal element 32 will partly be projected in the lateral face 34 of cooling channel 12, and therefore the adjacent portion of cooling channel 12 relative to each other sealed.
When in the mode of execution shown in figure 2 the seal element 32 of respective thickness being set, neither absolute demand be used to protect the rust resisting compound of approximal surface 14 protect it from corrosion.This is unwanted, if because use the Sealing 32 with suitable thickness, the sealing part will be projected in the lateral face 34, and will prevent that therefore freezing mixture from arriving approximal surface 14.
In the mode of execution that does not comprise face seal element 32, also possibly in the outer edge zone may 40 (Fig. 2) of approximal surface 14, sealed groove is set, be used to hold the seal element that forms the ring of O shape for example.Selectively, corresponding sealed groove also can be arranged in the corresponding region relative with the exterior lateral sides of pump case 26 30.
Fig. 5 illustrates the cooling element group that comprises a plurality of cooling elements 42,44,46 through the mode of example.The mode that said cooling element 42,44,46 is shown cooling element 10 greatly designs.
Therefore, each in two cooling elements 42,44 includes indentation cooling channel 12, with above-mentioned cooling element 10 accordingly, indentation cooling channel 12 is towards approximal surface 14 openings.Cooling element 42 its lateral faces 18 are provided with inlet 20 and outlet 22, and wherein, also herein, two inlets are arranged in the fringe region to guarantee with respect to the high variability that is connected selection scheme with corresponding outlet.
The design that cooling element 44 adopts corresponding to cooling element 10, wherein, the parallelepiped cooling element does not comprise square approximal surface 14, and comprises rectangle approximal surface 14.Another cooling element 46 shown in Fig. 5 comprises two cooling channels that extend parallel to each other substantially.In two cooling channels 12 each all has inlet 20 and exports 22.Two cooling channels 12 can be for example along the different direction water conservancy diversion.In addition, possibly only connect in the cooling channel 12, this depends on the cooling institute requirement to vacuum pump.
Be included among Fig. 5 to 7 with the cooling element group of a plurality of cooling elements shown in the by way of example through above-mentioned, make it possible to make the cooling element that is used for different vacuum pumps.These cooling elements design with the mode of modular tackling, make each cooling element of cooling element group can be used in different vacuum pumps.This has such advantage: different vacuum pumps only need have the correspondingly exterior lateral sides 30 of design, and according to size and requirement, then can use the corresponding cooling element of cooling element group.By this way, can realize extra high adaptability.
Claims (18)
1. vacuum pump housing comprises:
Pump case (26), said pump case (26) forms pumping chamber, and
Cooling element (10,42,44,46), said cooling element (10,42,44,46) are arranged on the exterior lateral sides (30) on plane of said pump case (26),
Said cooling element (10,42,44,46) comprises at least one cooling channel (12), and said at least one cooling channel (12) is towards said exterior lateral sides (30) opening of said pump case (26).
2. vacuum pump housing according to claim 1 is characterized in that, said cooling element (10,42,44,46) is set to separated components.
3. vacuum pump housing according to claim 1 and 2; It is characterized in that; Said cooling element (10,42,44,46) comprises the approximal surface (14) on plane; Said approximal surface (14) is towards the said exterior lateral sides (30) of said pump case (26), and under assembled state, said approximal surface (14) preferably is parallel to the said exterior lateral sides (30) of said pump case (26).
4. according to each the described vacuum pump housing in the claim 1 to 3; It is characterized in that; Preferably face seal element (32) is arranged on the said exterior lateral sides (30) of said pump case (26); Simultaneously preferably cover said exterior lateral sides (30) fully, said exterior lateral sides (30) preferably is processed.
5. according to each the described vacuum pump housing in the claim 1 to 4; It is characterized in that; The sealed groove that is used for holding seal element is arranged on the said exterior lateral sides (30) of said pump case (26) and/or is arranged in the side relative with said side of said cooling element (10,42,44,46); Preferably be arranged in the said approximal surface (14), said seal element is such as doing, for example O shape ring.
6. according to each the described vacuum pump housing in the claim 1 to 5, it is characterized in that said at least one cooling channel (12) is zigzag.
7. according to each the described vacuum pump housing in the claim 1 to 6, it is characterized in that each cooling channel (12) all have at least one inlet (20) and at least one outlet (22).
8. vacuum pump housing according to claim 7 is characterized in that, said inlet (20) and/or said outlet (22) are arranged in the lateral face (18) and/or exterior face (16) of said cooling element (10,42,44,46).
9. according to claim 7 or 8 described vacuum pump housings, it is characterized in that said inlet (20) and/or said outlet (22) are sealed towards the said exterior lateral sides (30) of said pump case (26), and preferably form boring.
10. according to each the described vacuum pump housing in the claim 1 to 9, it is characterized in that the inner side (34) of said at least one cooling channel (12) that is formed by said cooling element (10,42,44,46) is set to untreated mo(U)ld face.
11. each the described vacuum pump housing according in the claim 1 to 10 is characterized in that said cooling element (10,42,44,46) forms consutrode at least in part.
12. according to each the described vacuum pump housing in the claim 1 to 11; It is characterized in that the said exterior lateral sides (30) of the inner side (34) of said cooling channel (12) and/or exterior face (14,40) and/or said pump case (26) is provided with the anti-corrosion protection layer.
13. each the described vacuum pump housing according in the claim 1 to 12 is characterized in that, said cooling element (10,42,44,46) is for parallelepiped or comprise the parallelepiped matrix.
14. according to each the described vacuum pump housing in the claim 1 to 13; It is characterized in that the said approximal surface (14) of said cooling element (10,42,44,46) particularly comprises untreated mo(U)ld face (38) in the zone between the adjacent portion of said at least one cooling channel (12) partly.
15. a cooling element group that is used for vacuum pump, said cooling element group comprises:
A plurality of cooling elements (10,42,44,46), said a plurality of cooling elements (10,42,44,46) have the different external size;
Each cooling element (10,42,44,46) includes at least one cooling channel (12); Said at least one cooling channel (12) is towards approximal surface (14) opening; In assembled state, it is relative with the exterior lateral sides of vacuum pump housing (26) that said approximal surface (14) is arranged to.
16. cooling element group according to claim 15 is characterized in that, the said approximal surface (14) of at least two cooling elements of said cooling element group (10,42,44,46) comprises surface different size, that be preferably rectangle.
17., it is characterized in that at least two cooling elements (10,42,44,46) comprise the cooling channel (12) with different cross section according to claim 15 or 16 described cooling element groups.
18. each the described cooling element group according in the claim 15 to 17 is characterized in that, is provided with according at least one described cooling element (10,42,44,46) in the claim 2 to 14.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009018212.8 | 2009-04-21 | ||
| DE102009018212A DE102009018212A1 (en) | 2009-04-21 | 2009-04-21 | Vacuum pump housing and cooling element set for a vacuum pump housing |
| PCT/EP2010/055196 WO2010122021A2 (en) | 2009-04-21 | 2010-04-20 | Vacuum pump housing and cooling element set for a vacuum pump housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102405330A true CN102405330A (en) | 2012-04-04 |
Family
ID=42779613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800176028A Pending CN102405330A (en) | 2009-04-21 | 2010-04-20 | Vacuum pump housing and cooling element set for a vacuum pump housing |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20120034110A1 (en) |
| JP (1) | JP2012524859A (en) |
| KR (1) | KR20120013398A (en) |
| CN (1) | CN102405330A (en) |
| DE (1) | DE102009018212A1 (en) |
| TW (1) | TW201102504A (en) |
| WO (1) | WO2010122021A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141630A (en) * | 2013-05-10 | 2014-11-12 | 普发真空有限公司 | Apparatus having at least one passage for conducting a gaseous or a liquid operating medium |
| CN106801673A (en) * | 2017-03-13 | 2017-06-06 | 合肥华运机械制造有限公司 | Flexible pipe pump case |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013226110A1 (en) * | 2013-12-16 | 2015-07-02 | Mahle International Gmbh | Reciprocating vacuum pump |
| JP6241516B1 (en) * | 2016-07-29 | 2017-12-06 | ダイキン工業株式会社 | Compressor for refrigeration machine |
| DE102016011443A1 (en) | 2016-09-21 | 2018-03-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Screw compressor for a commercial vehicle |
| KR102280706B1 (en) * | 2018-07-13 | 2021-07-21 | 최영호 | Cooling device for vacuum mold |
| US11421922B2 (en) * | 2020-04-22 | 2022-08-23 | Haier Us Appliance Solutions, Inc. | Heat dissipation assembly for a linear compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2616438A1 (en) * | 1976-04-14 | 1977-11-03 | Bosch Gmbh Robert | Cylinder head for piston compressor - has internal ducts for liq. coolant running around outlet valve |
| US5799726A (en) * | 1996-01-23 | 1998-09-01 | Frank; Jimmy I. | Refrigerated mixing chamber and method for making same |
| CN1229887A (en) * | 1998-03-19 | 1999-09-29 | 株式会社日立制作所 | Package-type scroll compressor |
| US20040129018A1 (en) * | 2002-09-24 | 2004-07-08 | Rini Daniel P. | Method and apparatus for highly efficient compact vapor compression cooling |
| JP2007262907A (en) * | 2006-03-27 | 2007-10-11 | Nabtesco Corp | Vacuum pump |
| CN200968786Y (en) * | 2006-11-03 | 2007-10-31 | 亚技联节能设备有限公司 | Plate-shell type heat-exchanger |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS465961Y1 (en) * | 1968-06-26 | 1971-03-03 | ||
| JPS5221926Y2 (en) * | 1971-08-11 | 1977-05-20 | ||
| JPS62130059U (en) * | 1986-02-11 | 1987-08-17 | ||
| JPH0736163Y2 (en) * | 1989-06-14 | 1995-08-16 | エスエムシー株式会社 | Centralized piping system for rodless cylinders |
| JPH0418661U (en) * | 1990-05-31 | 1992-02-17 | ||
| JP3051515B2 (en) * | 1991-09-05 | 2000-06-12 | 株式会社荏原製作所 | Multistage vacuum pump cooling system |
| JPH07113418B2 (en) * | 1993-05-27 | 1995-12-06 | 日本ピラー工業株式会社 | Seal member |
| US5497734A (en) * | 1993-12-22 | 1996-03-12 | Nissan Motor Co., Ltd. | Cooling system for liquid-cooled engine |
| JP4054931B2 (en) * | 1998-01-20 | 2008-03-05 | Ｓｍｃ株式会社 | Rodless cylinder |
| JP2003007944A (en) * | 2001-06-18 | 2003-01-10 | Showa Denko Kk | Cooling device for heating part |
| US6842978B2 (en) * | 2001-08-17 | 2005-01-18 | Electrolux Home Products, Inc. | Cylinder head and crankcase manufacturing and assembly techniques |
-
2009
- 2009-04-21 DE DE102009018212A patent/DE102009018212A1/en not_active Withdrawn
-
2010
- 2010-04-19 TW TW099112111A patent/TW201102504A/en unknown
- 2010-04-20 KR KR1020117027725A patent/KR20120013398A/en not_active Application Discontinuation
- 2010-04-20 CN CN2010800176028A patent/CN102405330A/en active Pending
- 2010-04-20 WO PCT/EP2010/055196 patent/WO2010122021A2/en active Application Filing
- 2010-04-20 JP JP2012506469A patent/JP2012524859A/en active Pending
- 2010-11-03 US US13/265,093 patent/US20120034110A1/en not_active Abandoned
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2616438A1 (en) * | 1976-04-14 | 1977-11-03 | Bosch Gmbh Robert | Cylinder head for piston compressor - has internal ducts for liq. coolant running around outlet valve |
| US5799726A (en) * | 1996-01-23 | 1998-09-01 | Frank; Jimmy I. | Refrigerated mixing chamber and method for making same |
| CN1229887A (en) * | 1998-03-19 | 1999-09-29 | 株式会社日立制作所 | Package-type scroll compressor |
| US20040129018A1 (en) * | 2002-09-24 | 2004-07-08 | Rini Daniel P. | Method and apparatus for highly efficient compact vapor compression cooling |
| JP2007262907A (en) * | 2006-03-27 | 2007-10-11 | Nabtesco Corp | Vacuum pump |
| CN200968786Y (en) * | 2006-11-03 | 2007-10-31 | 亚技联节能设备有限公司 | Plate-shell type heat-exchanger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141630A (en) * | 2013-05-10 | 2014-11-12 | 普发真空有限公司 | Apparatus having at least one passage for conducting a gaseous or a liquid operating medium |
| CN104141630B (en) * | 2013-05-10 | 2019-01-11 | 普发真空有限公司 | Device at least one channel for conveying gas or liquid-working-medium |
| CN106801673A (en) * | 2017-03-13 | 2017-06-06 | 合肥华运机械制造有限公司 | Flexible pipe pump case |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010122021A2 (en) | 2010-10-28 |
| DE102009018212A1 (en) | 2010-10-28 |
| US20120034110A1 (en) | 2012-02-09 |
| JP2012524859A (en) | 2012-10-18 |
| TW201102504A (en) | 2011-01-16 |
| WO2010122021A3 (en) | 2011-07-07 |
| KR20120013398A (en) | 2012-02-14 |
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Application publication date: 20120404 |