CN204716496U - For the expansion chamber of the discharge conduit of alternate type compressor - Google Patents
For the expansion chamber of the discharge conduit of alternate type compressor Download PDFInfo
- Publication number
- CN204716496U CN204716496U CN201390000903.9U CN201390000903U CN204716496U CN 204716496 U CN204716496 U CN 204716496U CN 201390000903 U CN201390000903 U CN 201390000903U CN 204716496 U CN204716496 U CN 204716496U
- Authority
- CN
- China
- Prior art keywords
- expansion chamber
- type compressor
- alternate type
- barrier
- volume
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
- F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to the expansion chamber of the discharge conduit for alternate type compressor, and the discharge conduit of this alternate type compressor is preferably used for refrigeration system.Described expansion chamber comprises at least two volumes (1,2), and described at least two volumes are separated from one another and by least one channel design (31) fluid communication with each other by least one inner panel (3); And at least one barrier (B), at least one barrier described is used for the nominal discharge currents (FN) of alternate type compressor.Usually, described barrier (B) can optimize the decay of the pulsation of discharging circulation.
Description
Technical field
The utility model relates to the expansion chamber of the discharge conduit for alternate type compressor, and the discharge conduit of this alternate type compressor is preferably used for refrigeration system.
Current published expansion chamber is combined with two volumes within it, and described current published expansion chamber also comprises intervalve, and this intervalve can optimize due to its design the decay that the pulsation of circulation discharged by alternate type compressor.
Background technique
According to the basic conception that technical paper clear and definite widely confirms, known compressor comprises the device of the pressure that can change working fluid (circulation in any system (such as refrigeration system) usually of this working fluid).
When alternate type compressor, the pressure of working fluid is changed by the circulation in the volume of pressing chamber and in check change, this pressing chamber is usually limited by the chamber (or cylinder body) that can receive working fluid and is limited by movement (piston) actuator, and this movement actuator can provide alternately displacement in described pressing chamber.
In this case, most of movable component of compressor and the effect of described element applying cause the generation of vibration and noise.In this way, prior art comprises the multiple solution being intended to reduce vibration and noise.In this case, the expansion chamber being especially intended to the pressure surge being reduced by the transmission of alternate type compressor discharge conduit is known.
In general, the expansion chamber existed comprises and is a kind ofly arranged in alternate type compressor discharge conduit place and is preferably arranged in the expansion chamber of the type in its can.
Prior art comprises structure and the design of expansion chamber widely, and in the structure and design of all described expansion chambers, should quote those expansion chambers of two volumes comprising fluid communication with each other as a reference.
The central scope of the described expansion chamber be made up of two volumes is intended to the decay realizing the higher level of discharging pulsation, and the physical space that described expansion chamber occupies is similar to the physical space of the expansion chamber comprising single chamber.
In their the simplest model and as is known to persons skilled in the art, the volume of expansion chamber (being made up of two volumes) is limited in mutually same body, and described body comprises isolating plate therein.Usually, described isolating plate also comprises aperture or tunnel tube, and described aperture or tunnel tube are for connecting two volumes of expansion chamber.
In addition, with regard to the simplest described model, usually, the inlet duct of the expansion chamber be made up of two volumes, tunnel tube (or aperture) and outer pipe substantial linear ground is aimed at.This aligning can be considered to have negative effect, and this is because described expansion chamber will limit single subcontinuous pipe in particular case (depending on the ripple frequency of discharging circulation or the operational capacity depending on compressor) after all.Described subcontinuous pipe allows entrance pulsation to be directly transferred to the outer pipe of the described expansion chamber be made up of two volumes, offsets the major part of the effect that the pulsation that circulates to the discharge of alternate type compressor alleviates thus.
The example of these the simplest models of the expansion chamber be made up of two volumes at U. S. Patent 4,111, be described in 278.
Prior art also discloses other embodiment relating to this problem above-mentioned, and among them can with reference to U. S. Patent 5, and 196,654, the embodiment that describes of U. S. Patent 5,545,860 and Japan Patent 11311179.
Described U. S. Patent 5,196,654 and 5,545,860 relates to the expansion chamber be made up of two different volumes, and these two different volumes are connected to each other by tunnel tube.But the inlet duct of expansion chamber in (and different from the simplest described model) patent of analyzing now, tunnel tube and outer pipe limit the pipe that almost L-type is arranged.This aligning can be considered to have negative effect, and this is because its shortcoming last is to make manometer too near the wall of expansion chamber.In addition, described pipe arranges that the fact of l-shaped stops people to carry out some structures due to the interference between entrance and exit pipe to the length of inlet/outlet pipe.In addition, described pipe arranges that the feature of l-shaped is except causing being formed except the fact of subcontinuous pipe, also causes the potential load loss being positioned at L shape bending part.
And then Japan Patent 11311179 relates to a kind of expansion chamber be also made up of two different volumes, these two different volumes are by tunnel tube fluid communication with each other.But its inlet duct, its tunnel tube and its outer pipe define the pipe of almost U-shaped layout.This aligning can be considered to have negative effect, this is due to except the load loss (this load loss will increase the thermodynamic losses of compressor) in two bending parts, causes acoustic filter possibility inoperative owing to may define subcontinuous pipe.
Model utility content
The purpose of this utility model is to provide a kind of expansion chamber of the discharge conduit for alternate type compressor, and this expansion chamber can by being formed and the barrier that directly aim at of discharge currents pipe or block piece and optimize the decay of discharging and circulating.
Another object of the present utility model forms described barrier or block piece simply.In this case, other object of the present utility model is, the element forming expansion chamber can limit barrier or the block piece of the decay can optimizing the pulsation of discharging circulation.
Above-mentioned purpose is realized fully by providing the expansion chamber of the discharge conduit for alternate type compressor disclosed herein.
Described expansion chamber according to the discharge conduit for alternate type compressor of the present utility model comprises at least two volumes, and these at least two volumes are separated from one another by least one inner panel; Described volume is by least one channel design fluid communication with each other, and they are communicated with external environment condition fluid by least one channel design fluid.
In addition, described expansion chamber also comprises at least one barrier of the nominal discharge currents for alternate type compressor, wherein, and at least one channel design rough alignment of the volume of described barrier and described expansion chamber.
Preferably, at least one barrier for the nominal stream from channel design is comprised for the described expansion chamber of alternate type compressor discharge conduit.During described barrier can be disposed in the first volume, in the second volume and is arranged in both, and described barrier can be limited by the inner panel be present between described volume, or it also can be limited by least one dividing plate, and this dividing plate is designed to the inside of at least one volume in described volume.
In addition, comprise can by the pipe flatly or obliquely arranged for the channel design of inner panel.
Accompanying drawing explanation
The utility model is described in detail by the figure listed below, wherein:
Fig. 1 illustrates the schematic cross-section of the preferred embodiment of the expansion chamber according to the discharge conduit for alternate type compressor of the present utility model;
Fig. 2 illustrates the schematic cross-section of the first embodiment of the expansion chamber according to the discharge conduit for alternate type compressor of the present utility model;
Fig. 3 illustrates the schematic cross-section of the second embodiment of the expansion chamber according to the discharge conduit for alternate type compressor of the present utility model;
Fig. 4 illustrates the schematic cross-section of the 3rd embodiment of the expansion chamber according to the discharge conduit for alternate type compressor of the present utility model;
Fig. 5 illustrates the schematic cross-section of the 4th embodiment of the expansion chamber according to the discharge conduit for alternate type compressor of the present utility model; And
Fig. 6 illustrates the schematic cross-section of the 5th embodiment of the expansion chamber according to the discharge conduit for alternate type compressor of the present utility model.
Embodiment
As is known to persons skilled in the art, alternate type compressor and be more particularly known as the expansion chamber using the pressure surge that can make transmit by the discharge conduit of described alternate type compressor to decay for the alternate type compressor of refrigeration system.
In this case, expansion chamber can be counted as in series (or final abreast) is arranged in one group " volume " in discharge conduit, to make the discharge attenuate pulsations of alternate type compressor.
As is known to persons skilled in the art, based on the frequency of refrigerant gas used and compressor operating, there is multiple feasible program to make the frequency field decay determined in the layout of the isolation barrier of the layout of the pipe connecting described " volume " in expansion chamber and described volume.
Therefore, and as mentioned above, the utility model is intended to optimize the dynamics state of the fluid of advancing in expansion chamber so that attenuate compressor runs intrinsic noise further.
Normally and according to the utility model, this optimization is not intended to the layout of " volume " changing described expansion chamber, pattern or space, and be intended to form at least one barrier for the nominal discharge currents of compressor in simplified form, this nominal discharge currents flows through described " volume " of expansion chamber.It is worth mentioning, need at least one channel design substantial registration of described barrier and described expansion chamber.
Fig. 1 to Fig. 6 illustrates preferred embodiment of the present utility model.
It should be pointed out that the main object of all these embodiments is included in before nominal discharge currents FN flows out expansion chamber as the outlet flow FS discharged and nominal discharge currents is guided at least one barrier B.In this case and as hereafter will understand, barrier B can be limited at any internal surface place of expansion chamber, wherein, the sole cause of the above-mentioned restriction of barrier B is, described barrier B should with at least one channel design rough alignment, this channel design can be the fluid communication between the entrance of expansion chamber self or the volume of expansion chamber.
Therefore, aim to provide a kind of device in the embodiment hereafter described in detail, described device can form at least one barrier B for nominal discharge currents FN, produces thus and has the significantly pulsation of decay and the outlet discharge currents FS of noise.
For realizing this effect thus generally, formed by the first volume 1 and the second volume 2 according to expansion chamber of the present utility model, wherein the first volume and the second volume are separated by inner panel 3.
Although the pattern of described expansion chamber is not key of the present utility model, it is worth mentioning, the pattern of described expansion chamber can be substantially columnar, cuboidal or according to other any prismatic pattern of each design limiting.In this case, verified inner panel 3 can comprise the pattern of structure, the substantially quadrilateral of dish type substantially or the volume of expansion chamber can be defined as other any pattern of at least two volumes.
Volume 1 comprises the channel design 11 be intended to for making nominal discharge currents FN enter, and volume 2 comprises the channel design 21 be intended to for making outlet discharge currents FS discharge.And then inner panel 3 comprises the channel design 31 (this channel design 31 can comprise pipe, aperture, path etc.) being intended to be communicated with for the fluid between volume 1 and volume 2.
In the embodiment illustrated in fig. 1 and 2, described channel design 11, channel design 31 and channel design 21 all misalignments.
Thus, define two barrier B, barrier inner panel 3 place (especially in the part of directly aiming at channel design 11) and another barrier at the body place (especially in the part of directly aiming at channel design 31) of defined volume 2.
With further reference to Fig. 1 and Fig. 2, the attenuation of the first kind showing that nominal discharge currents FN is pulsed in the barrier B place experience being limited to inner panel 3 place can be observed.The described nominal discharge currents FN changed reaches the second volume 2 by the channel design 31 of inner panel 3, and is restricted to path stream FP.The barrier B place that described path stream FP limits in the body of the described volume 2 of restriction subsequently experiences other attenuate pulsations.
In the embodiment illustrated in figure 3, wherein channel design 11 and channel design 12 aligned with each other but do not aim at channel design 31, and only have nominal discharge currents FN only in the second volume 2, to experience attenuate pulsations.This is that (in this embodiment, can think, the nominal discharge currents FN being entered expansion chamber by the channel design 11 of volume 1 is obviously similar to the discharge currents flowing to volume 2 due to described nominal discharge currents FN.In addition, in this embodiment, nominal discharge currents FN is directly transferred to volume 2 by the channel design 31 of inner panel 3) only contact the barrier B limited in the body of defined volume 2.
In the fig. 4 embodiment, wherein channel design 31 and channel design 21 aligned with each other and do not aim at channel design 11, but only have nominal discharge currents FN to experience attenuate pulsations in the first volume.This is because described nominal discharge currents FN only contacts the barrier B at inner panel 3 place.
As in the 5 embodiment of figure 5, the channel design 31 of inner panel is arranged obliquely and therefore it is not aimed at channel design 11 and 12.Therefore be similar to the embodiment shown in Fig. 1 and 2 and there are two barrier B, barrier is inner panel 3 place (especially in the part of directly aiming at channel design 11) and another barrier (especially in the part of directly aiming at channel design 31) in the body of defined volume 2.
With reference to the embodiment of figure 6, wherein channel design 11, channel design 31 and channel design 21 are all aimed at each other, a barrier B is limited on dividing plate 4, this dividing plate is disposed in the second volume 2 in the described embodiment, but it also can be disposed in the first volume 1, or be disposed in addition in two volumes 1 and 2 of expansion chamber.
Preferably, described dividing plate 4 is walls of the internal surface design according to the body of the volume limited in the volume of expansion chamber.Alternatively, described dividing plate 4 also can be the wall (this optional layout is not illustrated but can easily envisions described optional layout according to content of the present utility model) of any surface design according to inner panel 3.
In a word, all above-mentioned descriptions and the embodiment illustrated realize identical main purpose, that is: reduce the pulsation of compression discharge currents and the noise of reduction compression discharge currents generation.
Obviously, the design will installed in inside according to the compressor of expansion chamber of the present utility model will be depended on to the selection of an example in the embodiment described and illustrate.This is because there is the just enough situations of single barrier B; But, also there is the situation needing two or three barriers B due to the frequency of okperation difference of each compressor.
In addition, it is pointed out that above description and example only for describing preferred embodiment of the present utility model with exemplary form.
Therefore, understand to those skilled in the art, scope of the present utility model can comprise other similar and/or equivalent embodiment, and the feature of described similar and/or equivalent embodiment is foreseeable and is limited by the appended claims.
Claims (10)
1., for the expansion chamber of the discharge conduit of alternate type compressor, described expansion chamber comprises:
At least two volumes (1,2), described at least two volumes are separated from one another by least one inner panel (3);
Described volume (1,2) is by least one first passage structure (31) fluid communication with each other; And
Each volume in described volume (1,2) is communicated with external environment condition fluid by least one second channel structure (11,21);
Feature for the described expansion chamber of the discharge conduit of alternate type compressor is, described expansion chamber comprises:
For at least one barrier (B) of the nominal discharge currents (FN) of described alternate type compressor;
Wherein, described at least one barrier (B) is aimed at at least one channel design in described second channel structure (11) and described first passage structure (31).
2. the expansion chamber of the discharge conduit for alternate type compressor according to claim 1, it is characterized in that, at least one barrier (B) that described expansion chamber comprises is for the described nominal discharge currents (FN) from described second channel structure (11).
3. the expansion chamber of the discharge conduit for alternate type compressor according to claim 2, it is characterized in that, described at least one barrier (B) for the described nominal discharge currents (FN) from described second channel structure (11) is limited by described inner panel (3).
4. the expansion chamber of the discharge conduit for alternate type compressor according to claim 2, it is characterized in that, described at least one barrier (B) for the described nominal discharge currents (FN) from described second channel structure (11) is limited by least one dividing plate (4), and at least one dividing plate described is designed at least one volume in described volume (1,2).
5. the expansion chamber of the discharge conduit for alternate type compressor according to claim 1, it is characterized in that, at least one barrier (B) that described expansion chamber comprises is for the described nominal discharge currents (FN) from described first passage structure (31).
6. the expansion chamber of the discharge conduit for alternate type compressor according to claim 5, it is characterized in that, for the described nominal discharge currents (FN) from described first passage structure (31) described at least one barrier (B) by limit described volume (2) described expansion chamber wall internal surface limit.
7. the expansion chamber of the discharge conduit for alternate type compressor according to claim 5, it is characterized in that, described at least one barrier (B) for the described nominal discharge currents (FN) from described second channel structure (11) is limited by least one dividing plate (4), and at least one dividing plate described is designed in the inside of at least one volume in described volume (1,2).
8. the expansion chamber of the discharge conduit for alternate type compressor according to claim 1, is characterized in that, the described first passage structure (31) of described inner panel (3) comprises pipe.
9. the expansion chamber of the discharge conduit for alternate type compressor according to claim 8, is characterized in that, the described pipe that the described first passage structure (31) of described inner panel (3) comprises flatly is arranged.
10. the expansion chamber of the discharge conduit for alternate type compressor according to claim 8, is characterized in that, the described pipe that the described first passage structure (31) of described inner panel (3) comprises is arranged obliquely.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR102012026728A BR102012026728A2 (en) | 2012-10-18 | 2012-10-18 | EXPANSION CHAMBER FOR ALTERNATIVE COMPRESSOR UNLOADING LINE |
BRBR1020120267284 | 2012-10-18 | ||
PCT/BR2013/000439 WO2014059504A1 (en) | 2012-10-18 | 2013-09-24 | Expansion chamber for alternative compressor discharge line |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204716496U true CN204716496U (en) | 2015-10-21 |
Family
ID=50487360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201390000903.9U Expired - Lifetime CN204716496U (en) | 2012-10-18 | 2013-09-24 | For the expansion chamber of the discharge conduit of alternate type compressor |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN204716496U (en) |
BR (1) | BR102012026728A2 (en) |
WO (1) | WO2014059504A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106286222A (en) * | 2016-10-27 | 2017-01-04 | 黄石东贝电器股份有限公司 | Muffler and refrigeration compressor |
CN108204353A (en) * | 2016-12-19 | 2018-06-26 | 惠而浦股份有限公司 | Hermetic compressor |
CN109441777A (en) * | 2018-12-11 | 2019-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Cylinder holder structure and compressor with it |
CN110145456A (en) * | 2019-05-31 | 2019-08-20 | 芜湖欧宝机电有限公司 | Compressor air-discharging filter and its sound reduction method |
CN110778484A (en) * | 2018-07-27 | 2020-02-11 | 惠而浦股份有限公司 | Fluid conducting pipe |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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BR102016005387A2 (en) * | 2016-03-11 | 2017-09-19 | Whirlpool S.A. | DISCHARGE ACOUSTIC FILTER, PROCESS OF MANUFACTURE OF ACOUSTIC DISCHARGE FILTER AND HERMETIC COMPRESSOR |
CN105715327B (en) * | 2016-04-07 | 2018-06-26 | 北京化工大学 | To spraying formula gas attenuator |
ES2924428T3 (en) * | 2016-12-19 | 2022-10-06 | Nidec Global Appliance Brasil Ltda | hermetic compressor |
JP2018162690A (en) * | 2017-03-24 | 2018-10-18 | 三菱重工サーマルシステムズ株式会社 | Silencer and air conditioner |
CN107120288B (en) * | 2017-04-28 | 2022-05-20 | 麦克维尔空调制冷(武汉)有限公司 | Exhaust silencer for screw type unit |
EP3963207A4 (en) * | 2019-04-29 | 2023-04-19 | Gast Manufacturing, Inc. | Sound reduction device for rocking piston pumps and compressors |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB771106A (en) * | 1954-11-01 | 1957-03-27 | Harald Anero | Improvements relating to engine exhaust silencers |
US4111278A (en) | 1977-02-09 | 1978-09-05 | Copeland Corporation | Discharge muffler |
US5196654A (en) | 1991-03-19 | 1993-03-23 | Bristol Compressors | Compressor discharge muffler construction |
US5545860A (en) | 1995-02-21 | 1996-08-13 | Ford Motor Company | Discharge muffler for an automotive compressor and method for making same |
JPH11311179A (en) | 1998-04-28 | 1999-11-09 | Matsushita Refrig Co Ltd | Enclosed type electric compressor |
BRPI0705357A2 (en) * | 2007-12-26 | 2009-08-25 | Whirlpool Sa | pulsation attenuation system for gas discharge in a refrigeration compressor |
-
2012
- 2012-10-18 BR BR102012026728A patent/BR102012026728A2/en not_active IP Right Cessation
-
2013
- 2013-09-24 CN CN201390000903.9U patent/CN204716496U/en not_active Expired - Lifetime
- 2013-09-24 WO PCT/BR2013/000439 patent/WO2014059504A1/en active Application Filing
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106286222A (en) * | 2016-10-27 | 2017-01-04 | 黄石东贝电器股份有限公司 | Muffler and refrigeration compressor |
CN106286222B (en) * | 2016-10-27 | 2019-04-26 | 黄石东贝电器股份有限公司 | Muffler and refrigeration compressor |
CN108204353A (en) * | 2016-12-19 | 2018-06-26 | 惠而浦股份有限公司 | Hermetic compressor |
CN108204353B (en) * | 2016-12-19 | 2021-12-17 | 恩布拉科压缩机工业和制冷解决方案有限公司 | Closed compressor |
CN110778484A (en) * | 2018-07-27 | 2020-02-11 | 惠而浦股份有限公司 | Fluid conducting pipe |
CN109441777A (en) * | 2018-12-11 | 2019-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Cylinder holder structure and compressor with it |
CN110145456A (en) * | 2019-05-31 | 2019-08-20 | 芜湖欧宝机电有限公司 | Compressor air-discharging filter and its sound reduction method |
Also Published As
Publication number | Publication date |
---|---|
WO2014059504A1 (en) | 2014-04-24 |
BR102012026728A2 (en) | 2014-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190329 Address after: Brazil Santa Catarina Patentee after: Embraco Compressor Industry and Refrigeration Solutions Co.,Ltd. Address before: Brazil St Paul Patentee before: WHIRLPOOL S.A. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20151021 |