CN107387431A - Centrifuge compressor - Google Patents
Centrifuge compressor Download PDFInfo
- Publication number
- CN107387431A CN107387431A CN201710731722.8A CN201710731722A CN107387431A CN 107387431 A CN107387431 A CN 107387431A CN 201710731722 A CN201710731722 A CN 201710731722A CN 107387431 A CN107387431 A CN 107387431A
- Authority
- CN
- China
- Prior art keywords
- gas channel
- housing
- impeller
- wheel cap
- centrifuge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
Abstract
The invention discloses a kind of centrifuge compressor, including：Shell, shell have the first gas channel and the cavity being spaced apart with the first gas channel；Wheel cap, wheel cap and cage connection, wheel cap are located at one end of the first gas channel, and the end face of wheel cap and shell limits the second gas channel, and the second gas channel connects with the first gas channel；And impeller, impeller are pivotably connected with wheel cap, impeller is located in the second gas channel, and impeller is connected with the inwall of the first gas channel.According to the centrifuge compressor of the present invention, by setting cavity structure to greatly reduce the noise of compressor, the comfortableness that user uses is improved, passes through the sealed connection of impeller and the first gas channel inwall, the flow-disturbing of impeller inlet stream can be reduced, improves efficiency of the impeller to air work.
Description
Technical field
The present invention relates to compressor field, more particularly, to a kind of centrifuge compressor.
Background technology
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to gases at high pressure, is the heart of refrigeration system
It is dirty.It is operated after being compressed with piston to it, to row from the refrigerant gas of air intake duct suction low-temp low-pressure by motor
Tracheae discharges the refrigerant gas of HTHP, and power is provided for kind of refrigeration cycle.
Compressor can be divided into displacement type compressor and velocity profile compressor by its principle.Centrifugal compressor belongs to velocity profile
Compressor, it is a kind of machinery of impeller rotation-type.It is to air work, to improve the pressure of gas by the impeller rotated at a high speed
Power, the flowing of gas is continuous, and its flow-rate ratio displacement type compressor is much greater.
Centrifugal compressor swiftly flowing air-flow because inside is present, therefore the confidential specific volume type compression of centrifugal compressor
The noise of machine is much larger.Its noise occurs mainly in the positions such as impeller, diffuser, and traditional centrifugal compressor is often not
Consider how to handle noise source.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention propose it is a kind of from
Scheming compressor, the centrifuge compressor have the advantages of soundproof effect is good, assembling is simple.
Centrifuge compressor according to embodiments of the present invention, including：Shell, the shell have the first gas channel and with
First gas channel cavity spaced apart；Wheel cap, the wheel cap and the cage connection, the wheel cap are located at described first
One end of gas channel, the end face of the wheel cap and the shell limit the second gas channel, second gas channel with
The first gas channel connection；And impeller, the impeller are pivotably connected with the wheel cap, the impeller is positioned at described the
In two gas channels, the impeller is connected with the inwall of first gas channel.
Centrifuge compressor according to embodiments of the present invention, can by setting cavity structure on the outside of the first gas channel
To greatly reduce caused high frequency noise in compressor diffuser runner and impeller channel, the comfortableness that user uses is improved.
According to some embodiments of the present invention, the shell includes：First housing, first housing limit with the wheel cap
Make second gas channel；Second housing, first gas channel penetrate second housing, and the first shell is external
Second housing is placed on, first housing limits the cavity with second housing.
In some embodiments of the invention, first housing is connected with second housing by the first threaded fastener
Connect.
Alternatively, first housing is connected with the wheel cap by the second threaded fastener.
Further, first housing is integrated forge piece.
In some embodiments of the invention, first housing is tightly connected with the wheel cap.
According to some embodiments of the present invention, first housing has holding tank, and the wheel cap is embedded at the receiving
In groove.
According to some embodiments of the present invention, the centrifuge compressor also includes seal, and the seal is coated at
The impeller is so that the impeller is connected with the inner wall sealing of first gas channel.
Alternatively, the seal is rubber seal.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the diagrammatic cross-section according to the centrifuge compressor of present example.
Reference：
Centrifuge compressor 100,
Shell 1,
First housing 11, the second gas channel 111, holding tank 112,
Second housing 12, the first gas channel 121,
Wheel cap 2,
Impeller 3,
Cavity 4,
Spiral case 5,
First threaded fastener 6,
Seal 7,
Rotating shaft 8,
Central hole slot 9.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", "left", "right", " interior ", " outer ", " axial direction ",
The orientation or position relationship of instructions such as " radial directions " are based on orientation shown in the drawings or position relationship, are for only for ease of description originally
Invent and simplify description, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.In addition, define " first ", the feature of " second " can be with
Express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Centrifuge compressor 100 according to embodiments of the present invention is described below with reference to Fig. 1.
As shown in figure 1, centrifuge compressor 100 according to embodiments of the present invention, including shell 1, wheel cap 2 and impeller 3.
Specifically, as shown in figure 1, shell 1 has the first gas channel 121, the outside air (sky such as outside shell 1
Gas) it can enter in the first gas channel 121.Shell 1 also has the cavity 4 being spaced apart with the first gas channel 121.Need
Illustrate, centrifuge compressor 100 at work, can produce noise, by setting the structure of cavity 4, Ke Yili on shell 1
The transmission of sound wave is blocked with space structure, to play a part of noise reduction.
In correlation technique, centrifuge compressor 100 works caused noise, and noise can pass through the first gas channel
121 side wall is transferred to outside shell 1.And in the embodiment of the present application, utilize the gas channel of cavity 4 and first spaced apart
121, when gas flows in the first gas channel 121, it is necessary to by cavity 4, and cavity 4 has the effect of sound insulation, so as to
To reduce the transmission of sound wave, and then the work noise of centrifuge compressor 100 can be reduced.
As shown in figure 1, wheel cap 2 can be connected with shell 1, wheel cap 2 is located at one end of the first gas channel 121, wheel cap 2 with
The end face of shell 1 limits the second gas channel 111, and the second gas channel 111 connects with the first gas channel 121.In other words,
The wheel cap 2 being connected with shell 1 is located at one end of the first gas channel 121, and the end face of wheel cap 2 and shell 1 defines the second gas
Circulation road 111, the second gas channel 111 connect with the first gas channel 121.Wheel cap 2 is arranged on the one of the first gas channel 121
End so that assembling, dismounting and maintenance are more convenient, while it is compacter, attractive in appearance make it that centrifuge compressor 100 is laid out.
As shown in figure 1, impeller 3 is pivotably connected with wheel cap 2, i.e., impeller 3 is rotatable relative to wheel cap 2.Impeller 3 is located at
In second gas channel 111, impeller 3 is connected with the inwall of the first gas channel 121.When impeller 3 rotates, the first gas can be driven
The flowing of air-flow in the gas channel 111 of circulation road 121 and second, the first gas can be entered in the driving downstream of impeller 3
In circulation road 121, and air-flow flows towards impeller 3, after gas enters impeller 3, is rotated under the promotion of blade with impeller 3,
Radially flowed out in the presence of centrifugal force along runner, subsequently enter the second gas channel 111.
Centrifuge compressor 100 according to embodiments of the present invention, by setting cavity 4 in the outside of the first gas channel 121
Structure, it can be worked caused noise with reducing centrifuge compressor 100 with the transmission of utilization space structure blocks sound wave, from
And the comfortableness that user uses can be improved.
In some embodiments of the invention, shell 1 can include the first housing 11 and the second housing 12, the first housing 11
The second gas channel 111 is limited with wheel cap 2.First gas channel 121 penetrates the second housing 12, and the first housing 11 is coated at the
Two housings 12, the first housing 11 and the second housing 12 limit the structure of cavity 4.For example, as shown in figure 1, shell 1 includes first shell
The housing 12 of body 11 and second, the first housing 11 are to be enclosed on outside on second shell body 12, and the first gas channel 121 is located at the second housing 12
Center, penetrate the second housing 12, cavity 4 is located at the centre of the first housing 11 and the second housing 12, and cavity 4 leads to the first air-flow
Second shell body 12 is separated between road 121, ensures the contact of 4 different external air flows of cavity.
In some embodiments of the invention, the first housing 11 is connected with the second housing 12 by the first threaded fastener 6.
For example, as shown in figure 1, the overcoat of the first housing 11 and the second housing 12, be provided with the excircle of the end face of the second housing 12 with
The connecting hole of first housing 11 connection, and the first housing 11 is connected with the second housing 12 by the first threaded fastener 6.Using
Threaded fastener connects, and technics comparing is ripe, and processing cost is relatively low, is easy to dismounting and the dimension of the first housing 11 and the second housing 12
Repair.
Further, the first housing 11 can be connected with wheel cap 2 by the second threaded fastener.For example, as shown in figure 1,
Wheel cap 2 is located at its right end face of centrifuge compressor 100, by the connecting hole and the first housing that are arranged on the periphery of wheel cap 2
11 connections, are connected using threaded fastener, and dismounting is more convenient.In addition, the bonding strength of threaded fastener is also higher, performance
It is more stable, it is hardly damaged.
In some embodiments of the invention, as shown in figure 1, the first housing 11 of centrifuge compressor 100 and spiral case 5,
Diffuser monoblock cast is structure as a whole.Diffuser is primarily to the kinetic energy of the gas to be done work by impeller 3 is further turned
Pressure energy is turned to, and also to which gas has suitable speed when entering next stage.Spiral case 5 is mainly by diffuser outflow
Gas plays the effect of collecting.The important feature of diffuser, spiral case 5 as centrifuge compressor 100, it is cast into the first housing 11
Integrally casting part, assembling process can be simplified, improve mechanism assembly precision and efficiency.
Preferably, the first housing 11 is tightly connected with wheel cap 2.For example, as shown in figure 1, the first housing 11 and centrifuge pressure
The wheel cap 2 of its right end face of contracting machine 100 is tightly connected, and sealed connection mode has multiple choices, can be used labyrinth sealing, machinery close
Envelope and oil seal.Be tightly connected Technical comparing it is reliable, the structure relative compact of sealed connection, can improve to a certain extent from
The operating efficiency of scheming compressor 100.
According to some embodiments of the present invention, as shown in figure 1, the first housing 11 has holding tank 112, wheel cap 2 is embedded at
In holding tank 112.In other words, the wheel cap 2 of the end of centrifuge compressor 100 can be embedded the holding tank 112 in the first housing 11
It is interior.Holding tank 112 can reduce the use of threaded fastener, simplify the attachment structure of the first housing 11 and wheel cap 2 so that centrifuge
The end face of compressor 100 is more attractive in appearance, on the other hand reduces the production cost of centrifuge compressor 100.
According to some embodiments of the present invention, centrifuge compressor 100 also includes seal 7, the overcoat of seal 7 and impeller
3 so that impeller 3 is connected with the inner wall sealing of the first gas channel 121.Seal 7 can be prevented effectively by impeller 3, diffuser
The gases at high pressure of acting are redirected back into the import of impeller 3, so as to reduce the flow-disturbing of the inlet pathway of impeller 3, improve impeller 3 to gas
The efficiency of acting.
Further, the seal 7 of the inwall of the gas channel 121 of impeller 3 and first is rubber seal.Rubber seal is close
Envelope property is good, is easily installed, cost is relatively low, is conveniently replaceable, repairs.
Centrifuge compressor 100 below with reference to Fig. 1 descriptions according to the specific embodiment of the invention.It is worth understanding, under
It is simply exemplary to state description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
As shown in figure 1, centrifuge compressor 100 according to embodiments of the present invention, including shell 1, wheel cap 2 and impeller 3.
Specifically, as shown in figure 1, gas is sucked the first gas channel 121 by the rotation of impeller 3, gas is through the first air-flow
After passage 121 enters impeller 3, under the promotion of the blade of impeller 3, gas rotates together with impeller 3, due to the work of centrifugal force
With gas is along the runner Radial Flow of impeller 3 and leaves impeller 3, subsequently enters the second gas channel 111, while the import of impeller 3
Place forms low pressure, and gas can constantly flow into the first gas channel 121.Impeller 3 makes its kinetic energy to air work in the process
With pressure energy increase, the pressure and flow velocity of gas are improved.Subsequent gas enter at a high speed the diffuser that section gradually expands and
Spiral case 5, flow velocity is gradually reduced, and the kinetic energy of most of gas is converted into pressure energy, and pressure further improves, finally from centrifuge pressure
Contracting machine 100 is discharged.
As shown in figure 1, the shell 1 of centrifuge compressor 100 is made up of two parts, including the first housing 11 and the second housing
12, the structure member of centrifuge compressor 100 be successively from inside to outside the first gas channel 121, the second housing 12, cavity 4 with
And first housing 11.Cavity 4 is limited after the first housing 11 is connected with the second housing 12, the gas channel of cavity 4 and first
Second shell body 12 is separated between 121, ensure that isolating for cavity 4 and inner space gas, the outside of cavity 4 is the first housing 11,
Isolating for cavity 4 and exterior space is ensure that, in other words, the structure of cavity 4 is closing, is not in communication with the outside.It is empty by setting
The structure of chamber 4 can greatly reduce the noise of compressor, improve the comfortableness that user uses.
Center ring of the cavity 4 along the first gas channel 121 is around distribution, as shown in figure 1, the section view of centrifuge compressor 100
The structure of cavity 4 of the center line both sides of the first gas channel 121 has differences in figure, and specifically, the cavity 4 of center line both sides is simultaneously
It is asymmetric.
First housing 11 is connected with the second housing 12 by the first threaded fastener 6, and threaded fastener is on the first air-flow
The axial centre of passage 121 is symmetrical.As shown in figure 1, the first housing 11 is connected the first screw thread used with the second housing 12
The quantity of fastener 6 is 10, and outer ring distribution of 10 the first threaded fasteners 6 along the left end face of centrifuge compressor 100.
Threaded fastener connects, and technics comparing is ripe, and processing cost is relatively low, is easy to dismounting and the dimension of the first housing 11 and the second housing 12
Repair.
First housing 11 is integrated forge piece with spiral case 5, diffuser monoblock cast, and traditional spiral case 5, diffuser are independent
Structure, need to be independently installed, and alignment error can be produced in installation process.As shown in figure 1, spiral case 5, diffuser and in this example
One housing 11 is integrated forge piece, reduces the error of assembling, simplifies assembling process, improves efficiency of assembling.
As shown in figure 1, the first housing 11 is connected with wheel cap 2 by the second threaded fastener.Threaded fastener connects, technique
Comparative maturity, processing cost is relatively low, is easy to the dismounting and maintenance of the first housing 11 and wheel cap 2.
As shown in figure 1, the right side of the first housing 11 is provided with the holding tank 112 on distribution substantially symmetrical about its central axis, centrifuge compression
Wheel cap 2 at its right end face of machine 100 is embedded in holding tank 112.Holding tank 112 can reduce the use of threaded fastener, simplify
The attachment structure of first housing 11 and wheel cap 2 so that the end face of centrifuge compressor 100 is more attractive in appearance, reduces centrifuge compression
The production cost of machine 100.
The center of second housing 12 is provided with the first gas channel 121, axial direction of second housing 12 on the first gas channel 121
Central Symmetry, as shown in figure 1, gas through the first gas channel 121 enter impeller 3, for reduce air-flow disturbance and loss, first
Micro shape is presented in section of the gas channel 121 along air current flow direction, air-flow is slightly accelerated.
Lead to as shown in figure 1, the wheel cap 2 of its right end face of centrifuge compressor 100 limits the second air-flow with the first housing 11
Road 111, gas in the first gas channel 121 is in the promotion of the blade of impeller 3, and gas rotates together with impeller 3, due to centrifugation
The effect of power, gas is along the runner Radial Flow of impeller 3 and leaves impeller 3, into the second gas channel 111.
The left side of impeller 3 is installed on the inwall of the first gas channel 121, as shown in figure 1, the gas channel of impeller 3 and first
The sealed connection of 121 inwalls, the flow-disturbing of the inlet pathway of impeller 3 can be reduced, improve efficiency of the impeller 3 to air work.Centrifuge
The right side wheel cap 2 of compressor 100 is provided with central hole slot 9, and the rotating shaft 8 on the right side of impeller 3 is installed in the central hole slot 9 of wheel cap 2, with
2 pivotable connection of wheel cap.
As shown in figure 1, it is cased with sealing ring outside the gas channel 121 of impeller 3 and first, it is ensured that the second gas channel 111
Interior gases at high pressure, it will not reversely be contacted by impeller 3 with the gas in the first gas channel 121.In addition, the second gas channel
111 are tightly connected with the wheel cap 2 of its right end face of centrifuge compressor 100, ensure that the gases at high pressure in the second gas channel 111
It will not be leaked out from from the junction of the housing 11 of wheel cap 2 and first.In other words, the sealing of the gas channel 121 of impeller 3 and first
The sealing structure of coil structures and the housing 11 of wheel cap 2 and first ensure that the sealing of gas in the second gas channel 111.
First gas channel 121 outside the inwall of the junction of impeller 3 with being cased with a sealing ring, as shown in figure 1, this sealing ring
Suitable for rubber seal, rubber seal stable performance, not pollution medium has certain mechanical strength, including tensile strength,
Elongation and tearing toughness etc..Rubber seal can ensure the gases at high pressure in the second gas channel 111, will not reflux arrive
The import of impeller 3, the flow-disturbing of the inlet pathway of impeller 3 is reduced, improve efficiency of the impeller 3 to air work.
According to embodiments of the present invention, air-flow in diffuser runner and impeller 3 through in impeller 3 and diffuser pressurization, flowing
High frequency noise can be produced in road, high frequency noise is first passed to cavity 4 through the second housing 12, and first shell is passed to after decaying in cavity 4
Body 11, most propagate to the external world through first shell body 11 afterwards.In the process, the structure of cavity 4 significantly reduces the work of compressor
Noise.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (9)
- A kind of 1. centrifuge compressor, it is characterised in that including：Shell, the shell have the first gas channel and the cavity being spaced apart with first gas channel；Wheel cap, the wheel cap and the cage connection, the wheel cap be located at one end of first gas channel, the wheel cap and The end face of the shell limits the second gas channel, and second gas channel connects with first gas channel；WithImpeller, the impeller are pivotably connected with the wheel cap, and the impeller is located in second gas channel, the leaf Wheel is connected with the inwall of first gas channel.
- 2. centrifuge compressor according to claim 1, it is characterised in that the shell includes：First housing, first housing limit second gas channel with the wheel cap；Second housing, first gas channel penetrate second housing, and the first shell is placed on second housing in vitro, First housing limits the cavity with second housing.
- 3. centrifuge compressor according to claim 2, it is characterised in that first housing leads to second housing Cross the connection of the first threaded fastener.
- 4. centrifuge compressor according to claim 2, it is characterised in that first housing and the wheel cap pass through the Two threaded fasteners connect.
- 5. centrifuge compressor according to claim 2, it is characterised in that first housing is integrated forge piece.
- 6. centrifuge compressor according to claim 2, it is characterised in that first housing connects with wheel cap sealing Connect.
- 7. centrifuge compressor according to claim 1, it is characterised in that first housing has holding tank, described Wheel cap is embedded in the holding tank.
- 8. centrifuge compressor according to claim 1, it is characterised in that also include：Seal, the seal is coated at the impeller so that the inner wall sealing of the impeller and first gas channel connects Connect.
- 9. centrifuge compressor according to claim 8, it is characterised in that the seal is rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731722.8A CN107387431A (en) | 2017-08-23 | 2017-08-23 | Centrifuge compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731722.8A CN107387431A (en) | 2017-08-23 | 2017-08-23 | Centrifuge compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107387431A true CN107387431A (en) | 2017-11-24 |
Family
ID=60345639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710731722.8A Pending CN107387431A (en) | 2017-08-23 | 2017-08-23 | Centrifuge compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107387431A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917090A (en) * | 2017-12-01 | 2018-04-17 | 重庆美的通用制冷设备有限公司 | Centrifuge compressor |
| CN109026843A (en) * | 2018-09-14 | 2018-12-18 | 珠海格力电器股份有限公司 | Centrifugal compressor and its exhaust volute |
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| US5399064A (en) * | 1992-12-23 | 1995-03-21 | Caterpillar Inc. | Turbocharger having reduced noise emissions |
| DE19727139A1 (en) * | 1997-06-26 | 1999-01-07 | Daimler Benz Ag | Compressor for exhaust gas turbocharger |
| US20110097194A1 (en) * | 2009-10-28 | 2011-04-28 | Mann+Hummel Gmbh | Radial Compressor |
| CN102979743A (en) * | 2012-12-24 | 2013-03-20 | 烟台蓝德空调工业有限责任公司 | Novel centrifugal compressor with heat insulation and noise reduction cavity |
| CN103850980A (en) * | 2012-11-30 | 2014-06-11 | 三星泰科威株式会社 | Impeller with sealing portion |
| CN105909562A (en) * | 2016-06-22 | 2016-08-31 | 湖南天雁机械有限责任公司 | Turbocharger compressor volute with noise reduction function |
| CN107013494A (en) * | 2017-05-11 | 2017-08-04 | 南通升科节能技术有限公司 | Noise-lowering centrifugal blower fan |
-
2017
- 2017-08-23 CN CN201710731722.8A patent/CN107387431A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5399064A (en) * | 1992-12-23 | 1995-03-21 | Caterpillar Inc. | Turbocharger having reduced noise emissions |
| DE19727139A1 (en) * | 1997-06-26 | 1999-01-07 | Daimler Benz Ag | Compressor for exhaust gas turbocharger |
| US20110097194A1 (en) * | 2009-10-28 | 2011-04-28 | Mann+Hummel Gmbh | Radial Compressor |
| CN103850980A (en) * | 2012-11-30 | 2014-06-11 | 三星泰科威株式会社 | Impeller with sealing portion |
| CN102979743A (en) * | 2012-12-24 | 2013-03-20 | 烟台蓝德空调工业有限责任公司 | Novel centrifugal compressor with heat insulation and noise reduction cavity |
| CN105909562A (en) * | 2016-06-22 | 2016-08-31 | 湖南天雁机械有限责任公司 | Turbocharger compressor volute with noise reduction function |
| CN107013494A (en) * | 2017-05-11 | 2017-08-04 | 南通升科节能技术有限公司 | Noise-lowering centrifugal blower fan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917090A (en) * | 2017-12-01 | 2018-04-17 | 重庆美的通用制冷设备有限公司 | Centrifuge compressor |
| CN109026843A (en) * | 2018-09-14 | 2018-12-18 | 珠海格力电器股份有限公司 | Centrifugal compressor and its exhaust volute |
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