CN204371601U - Piston compressor and air suction silencer thereof - Google Patents
Piston compressor and air suction silencer thereof Download PDFInfo
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- CN204371601U CN204371601U CN201520004599.6U CN201520004599U CN204371601U CN 204371601 U CN204371601 U CN 204371601U CN 201520004599 U CN201520004599 U CN 201520004599U CN 204371601 U CN204371601 U CN 204371601U
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Abstract
The utility model discloses a kind of piston compressor and air suction silencer thereof, described air suction silencer comprises: housing, and be limited with the chamber that top is opened wide in described housing, the sidewall of described housing is provided with suction port; Sucking pipe, described sucking pipe is located at described outside and is connected to described suction port place; Coiler, described coiler is located in described chamber, limits passage in described coiler, and the first end of described coiler opens wide towards described suction port and has intended distance between the first end of described coiler and the described sidewall being provided with described suction port; Upper cover, described upper cover is established on the housing to close described chamber, covers and be provided with air outlet hole on described, and the second end of described coiler opens wide towards described air outlet hole.According to the excellent noise reduction effect of the air suction silencer of the utility model embodiment.
Description
Technical field
The utility model relates to compressor field, especially relates to a kind of piston compressor and air suction silencer thereof.
Background technique
Current, refrigerator enters the life of people as universal household electric appliance, and constantly pursues advanced.Freezer compressor, as the core component of refrigerator, plays definitely important effect to the normal work of refrigerator.And the overall noise major part of refrigerator derives from compressor section, so the noise of compressor just must be reduced in order to the noise reducing refrigerator.The air suction silencer arranged in the air-breathing oil circuit part of compressor is the device of the very important minimizing noise of compressor inside.
Model utility content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model needs to propose a kind of air suction silencer, the excellent noise reduction effect of this air suction silencer.
The utility model also needs to propose a kind of piston compressor with this air suction silencer.
According to the air suction silencer of the utility model first aspect, comprising: housing, be limited with the chamber that top is opened wide in described housing, the sidewall of described housing is provided with suction port; Sucking pipe, described sucking pipe is located at described outside and is connected to described suction port place; Coiler, described coiler is located in described chamber, limits passage in described coiler, and the first end of described coiler opens wide towards described suction port and has intended distance between the first end of described coiler and the described sidewall being provided with described suction port; Upper cover, described upper cover is established on the housing to close described chamber, covers and be provided with air outlet hole on described, and the second end of described coiler opens wide towards described air outlet hole.
According to the air suction silencer of the utility model embodiment, by reserving predetermined gap by between the first end of coiler and the respective side walls of housing, thus the chamber of this gap and enclosure interior forms resonating spaces, and then has the effect of effective noise reduction.And this shaping structures is easy, easily manufactured.
In addition, also following additional technical feature can be had according to air suction silencer of the present utility model:
According to an embodiment of the present utility model, described coiler comprises at least one section of vertical pipeline section, and the perisporium of described vertical pipeline section is provided with opening.
According to an embodiment of the present utility model, described coiler comprises: the first semicanal and the second semicanal, described first semicanal and described second semicanal are oppositely arranged to limit described passage, and the wall of described first semicanal is provided with the first opening, and the wall of described second semicanal is provided with the second opening.
According to an embodiment of the present utility model, the internal diameter being positioned at the first end place of described coiler of the internal diameter being positioned at described opening of described passage, described passage is less than the internal diameter of all the other positions of described passage.
According to an embodiment of the present utility model, the internal diameter being positioned at described opening of described passage equals the internal diameter being positioned at the first end place of described coiler of described passage.
According to an embodiment of the present utility model, the internal diameter being positioned at the first end place of described coiler of described passage equals the internal diameter of described suction port.
According to an embodiment of the present utility model, the cross section of the outer wall of described coiler is rectangle, and the cross section of described passage is circular.
According to an embodiment of the present utility model, described air suction silencer also comprises the first longitudinal baffle extended along the longitudinal direction, described first longitudinal baffle is located in described housing, described chamber is separated into the first chamber and the second chamber opened horizontal interval by described first longitudinal baffle, and the described first end of described opening and described coiler lays respectively in described first chamber and described second chamber.
According to an embodiment of the present utility model, described first longitudinal baffle is provided with the first through hole running through its thickness.
According to an embodiment of the present utility model, described air suction silencer also comprises: the lateral partitions extended in the horizontal direction, described lateral partitions to be located in described housing and described chamber is separated into longitudinally-spaced upper chamber and lower chambers, described lateral partitions is provided with the second through hole, and the second end of described coiler is connected to described second through hole; The second longitudinal baffle extended along the longitudinal direction, described second longitudinal baffle is located at described bottom chamber and described lower chambers is separated into the first lower chambers and the second lower chambers opened horizontal interval, and the described first end of described opening and described coiler lays respectively at described first lower chambers and described second bottom chamber.
According to the piston compressor of the utility model second aspect embodiment, comprise the air suction silencer according to the utility model first aspect.
Owing to there is above-mentioned advantage according to the air suction silencer of the utility model embodiment, therefore, by arranging this air suction silencer, thus the noise of piston compressor can be reduced.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the air suction silencer according to the utility model first embodiment;
Fig. 2 is the explosive view of the air suction silencer of the first embodiment shown in Fig. 1;
Fig. 3 is the sectional drawing along X-X line in Fig. 1;
Fig. 4 is the structural representation of the air suction silencer according to the utility model second embodiment;
Fig. 5 is the explosive view of the air suction silencer of the second embodiment shown in Fig. 4;
Fig. 6 is the structural representation of the air suction silencer according to the utility model the 3rd embodiment;
Fig. 7 is the explosive view of the air suction silencer of the 3rd embodiment shown in Fig. 6;
Fig. 8 is the comparison diagram of the noise spectrum of the air suction silencer of kind of the embodiment of three shown in Fig. 1, Fig. 4 and Fig. 6 and the noise spectrum of air suction silencer of the prior art.
Reference character:
Air suction silencer 100;
Housing 1; Chamber 11; First chamber 111; Second chamber 112;
Upper chamber 113; Lower chambers 114; First lower chambers 115; Second lower chambers 116;
Suction port 12;
Sucking pipe 2;
Coiler 3; Passage 31; First end 32; Second end 33; Vertical pipeline section 34; Opening 341; First semicanal 35; First opening 351; Second semicanal 36; Second opening 361;
Upper cover 4; Air outlet hole 41;
First longitudinal baffle 5; First through hole 51; First longitudinal sub-dividing plate 52; Second longitudinal sub-dividing plate 53;
Lateral partitions 6; Second through hole 61;
Second longitudinal baffle 7.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Below with reference to Fig. 1-Fig. 7, the air suction silencer 100 according to the utility model embodiment is described.It should be noted that, the air suction silencer 100 that the utility model proposes is applicable in piston compressor, and piston compressor may be used in the household electric appliance such as refrigerator.Particularly, piston compressor comprises casing, air suction silencer 100 is located in casing, refrigerant gas is discharged in cylinder from air suction silencer 100 after first entering into air suction silencer 100 from the inlet hole of casing again and compresses, after having compressed, refrigeration agent is discharged from the exhaust port of compressor again, and then completes compression.
According to the air suction silencer 100 of the utility model embodiment, comprising: housing 1, sucking pipe 2, coiler 3 and upper cover 4.
The chamber 11 that top is opened wide is limited with in housing 1, the sidewall of housing 1 is provided with suction port 12, sucking pipe 2 is located at housing 1 outside and is connected to suction port 12 place, refrigerant gas can enter in housing 1 from sucking pipe 2, upper cover 4 is located on housing 1 with closed chamber 11, upper cover 4 is provided with air outlet hole 41, and the refrigerant gas of housing 1 inside can discharge air suction silencer 100 from this air outlet hole 41.
Coiler 3 is through repeatedly roundabout pipe in same plane, and coiler 3 is located in chamber 11, limits passage 31 in coiler 3, and this passage 31 can flow wherein for refrigerant gas.Coiler 3 has first end 32 and the second end 33, and as shown in Fig. 1, Fig. 4 and Fig. 6, the first end 32 of coiler 3 opens wide towards suction port 12, and the second end 33 of coiler 3 opens wide towards air outlet hole 41.Wherein, have intended distance L between the first end 32 of coiler 3 and the sidewall being provided with suction port 12 of housing 1, that is, the first end 32 of coiler 3 is arranged away from the inwall of housing 1.
The first end of air suction silencer of the prior art and the inwall close contact of housing, refrigerant gas is fed directly in coiler after suction port enters.
With existing structure unlike, air suction silencer 100 in the utility model, between the first end 32 of coiler 3 and the sidewall being provided with suction port 12 of housing 1, there is intended distance L, the chamber 11 of the gap between such coiler 3 and this sidewall and housing 1 inside forms resonating spaces, can to empathize like this phenomenon, effectively can reduce the noise that flow of refrigerant produces.
Verify through inventor's many experiments, as shown in Figure 8, lines O is the noise spectrum curve of air suction silencer of the prior art, frequency for existing piston compressor is in about 0.63kHz scope, noise is maximum, as lines A, B and C, by by after predetermined gap reserved between the first end 32 of coiler 3 and the respective side walls of housing 1, thus greatly can reduce the noise in this frequency range.Wherein, lines A, B and C the structure of concrete corresponding air suction silencer 100 will be described in the following description.
To sum up, according to the air suction silencer 100 of the utility model embodiment, by reserving predetermined gap by between the first end 32 of coiler 3 and the respective side walls of housing 1, thus the chamber 11 of this gap and housing 1 inside forms resonating spaces, and then has the effect of effective noise reduction.And this shaping structures is easy, easily manufactured.
It should be noted that, the utility model proposes the structure of the air suction silencer 100 of three kinds of specific embodiments.Below with reference to Fig. 1-Fig. 7, describe the air suction silencer 100 according to three kinds of embodiments of the present utility model, and with reference to Fig. 8, the air suction silencer 100 of these three kinds of embodiments is contrasted with the noise spectrum curve of the air suction silencer of prior art.Certainly; it will be appreciated by persons skilled in the art that in these three kinds of embodiments only for illustrative purposes, do not limit protection domain of the present utility model; change on the basis of three kinds of embodiments below, amendment, replacement and modification, all belong to protection domain of the present utility model.
The first embodiment is as depicted in figs. 1 and 2 described below.
The air suction silencer 100 according to the utility model first embodiment as depicted in figs. 1 and 2, housing 1 inside is provided with the first longitudinal baffle 5 extended along the longitudinal direction, first longitudinal baffle 5 is located in housing 1, first longitudinal baffle 5 is along roughly vertical direction extension, chamber 11 is separated into the first chamber 111 and the second chamber 112 that horizontal interval is opened by the first longitudinal baffle 5, wherein, first longitudinal baffle 5 is provided with the first through hole 51 running through its thickness, and the first chamber 111 and the second chamber 112 are connectivity structure thus.This kind of air suction silencer 100 is single chamber air suction silencer.
Structure such as shown in Fig. 1, be arranged on the left of Fig. 1 first longitudinal baffle 5 is the first chamber 111, be arranged on the right side of Fig. 1 first longitudinal baffle 5 is the second chamber 112, a part for coiler 3 is positioned at the first chamber 111, the remainder of coiler 3 is positioned at the second chamber 112, alternatively, the first end 32 of coiler 3 is positioned at the second chamber 112.Because the first longitudinal baffle 5 is provided with the first through hole 51 structure, thus the first end 32 of coiler 3 is communicated with the second chamber 112 with the first chamber 111 simultaneously, forms a larger resonating spaces, can reduce the noise of air suction silencer 100.
Coiler 3 comprises at least one section of vertical pipeline section 34, and the axis of vertical pipeline section 34 roughly vertically extends, and the perisporium of vertical pipeline section 34 is provided with opening 341, and this opening 341 makes the passage 31 of coiler 3 inside be communicated with the chamber 11 of housing 1 inside.Preferably, coiler 3 is provided with the pair of openings 341 be oppositely arranged, and forms double resonance hole structure thus.Thereby increase resonating effect, can noise be reduced further.
Alternatively, as depicted in figs. 1 and 2, the first semicanal 35 and the second semicanal 36, first semicanal 35 and the second semicanal 36 are oppositely arranged to limit passage 31, and the wall that the wall of the first semicanal 35 is provided with the first opening 351, second semicanal 36 is provided with the second opening 361.Particularly, the first opening 351 is relative with the second opening 361.
Alternatively, coiler 3 comprises the first semicanal 35 and the second semicanal 36, first semicanal 35 and the second semicanal 36 are oppositely arranged to limit passage 31, first longitudinal baffle 5 comprises the first longitudinal sub-dividing plate 52 and second longitudinal sub-dividing plate 53, first longitudinal sub-dividing plate 52 is connected with the outer wall of the first semicanal 35, second longitudinal sub-dividing plate 53 is connected with the outer wall of the second semicanal 36, like this after the first semicanal 35 is connected relatively with the second semicanal 36, first longitudinally sub-dividing plate 52 and second longitudinally sub-dividing plate 53 also to form a whole platy structure.
As shown in Figure 8, lines A is the noise spectrum curve of the air suction silencer 100 of the first embodiment, lines O is the noise spectrum curve of air suction silencer of the prior art, as can be seen in Figure 8, by limiting predetermined gap by between the first end 32 of coiler 3 and the inwall of housing 1, thus effectively can reduce compressor noise.
Further, the internal diameter d1 at first end 32 place being positioned at coiler 3 of passage 31 equals the internal diameter of suction port 12, and such structural design makes noise pass on loss to become large, noise reduction is strengthened
Further, in this embodiment, the internal diameter d1 at first end 32 place of coiler 3 is less than passage 31 internal diameter of all the other positions of coiler 3.In this spline structure, only carry out reducing of internal diameter in the sub-fraction of coiler 3, noise reduction improves a lot and flow losses are also very little thus, also little on the impact of compressor efficiency.
Alternatively, as shown in Figure 3, the cross section of the outer wall of coiler 3 is rectangle, and the cross section of passage 31 is circular.Thus, the cross-sectional configuration of passage 31 is circular, thus the circulation of refrigeration agent loss is little, orthogonal by the cross-sectional configuration of the outer wall by coiler 3, thus the structural strength of coiler 3 is fully guaranteed.
The second embodiment is as shown in Figure 4 and Figure 5 described below.It should be noted that, the structure identical with the first embodiment in the following description will be simple.
With the first example structure shown in Fig. 1 and Fig. 2 unlike, the first longitudinal baffle 5 in this housing 1 does not arrange through-hole structure, chamber 11 is separated into the first chamber 111 of opening horizontal interval and the second chamber 112, first chamber 111 is not communicated with the second chamber 112 by the first longitudinal baffle 5 thus.This kind of air suction silencer 100 is two-chamber air suction silencer.
Particularly, the first end 32 of opening 341 and coiler 3 lays respectively in the first chamber 111 and the second chamber 112, that is, vertical pipeline section 34 is arranged in the first chamber 111 on the left of Fig. 4 first longitudinal baffle 5, and the first end 32 of coiler 3 is arranged in the second chamber 112 on the right side of Fig. 4 first longitudinal baffle 5.Like this, resonating structure is configured between opening 341 structure that vertical pipeline section 34 is arranged and the first chamber 111, gap between the first end 32 of coiler 3 and housing 1 inwall and other spaces of the second chamber 112 form resonating structure, thus noise reduction can be made greatly to be promoted.
Particularly, the internal diameter d2 being positioned at opening 341 place of passage 31 is less than the internal diameter of all the other positions of passage 31, the coiler 3 of this spline structure, only carry out reducing of internal diameter in the sub-fraction of coiler 3, noise reduction improves a lot and flow losses are also very little thus, also little on the impact of compressor efficiency.
Alternatively, the internal diameter d2 being positioned at opening 341 place of passage 31 equals the internal diameter d1 at first end 32 place being positioned at coiler 3 of passage 31, equals the internal diameter of suction port 12 too.
As shown in Figure 8, lines B is the noise spectrum curve of the air suction silencer 100 of the second embodiment, lines O is the noise spectrum curve of air suction silencer of the prior art, as can be seen in Figure 8, by limiting predetermined gap by between the first end 32 of coiler 3 and the inwall of housing 1, and opening 341 is set on the vertical pipeline section 34 of coiler 3, thus effectively can reduces compressor noise further.
The third embodiment is as shown in Figure 6 and Figure 7 described below.It should be noted that, the structure identical with the second embodiment in the following description will be simple.
With the second example structure shown in Fig. 4 and Fig. 5 unlike, this air suction silencer 100 is three chamber air suction silencers, particularly, lateral partitions 6 and the second longitudinal baffle 7 is provided with in housing 1, lateral partitions 6 extends in the horizontal direction, lateral partitions 6 to be located in housing 1 and chamber 11 is separated into longitudinally-spaced upper chamber 113 and lower chambers 114, wherein, lateral partitions 6 is provided with the second through hole 61, second end 33 of coiler 3 is connected to the second through hole 61 place, the refrigeration agent of discharging from coiler 3 like this can directly drain into upper chamber 113, upwards discharged by air outlet hole 41 from upper chamber 113 again.
Second longitudinal baffle 7 extends along the longitudinal direction, second longitudinal baffle 7 to be located in lower chambers 114 and lower chambers 114 to be separated into the first lower chambers 115 and the second lower chambers 116 opened horizontal interval, and the first end 32 of opening 341 and coiler 3 lays respectively in the first lower chambers 115 and the second lower chambers 116.Particularly, as shown in Figure 6, vertical pipeline section 34 is arranged in the first lower chambers 115 on the left of Fig. 6 second longitudinal baffle 7, and the first end 32 of coiler 3 is arranged in the second lower chambers 116 on the right side of Fig. 6 second longitudinal baffle 7.Like this, resonating structure is configured between opening 341 structure that vertical pipeline section 34 is arranged and the first lower chambers 115, gap between the first end 32 of coiler 3 and housing 1 inwall and other spaces of the second lower chambers 116 form resonating structure, thus noise reduction can be made greatly to be promoted.
As shown in Figure 8, lines C is the noise spectrum curve of the air suction silencer 100 of the 3rd embodiment, lines O is the noise spectrum curve of air suction silencer of the prior art, as can be seen in Figure 8, by limiting predetermined gap by between the first end 32 of coiler 3 and the inwall of housing 1, and opening 341 is set on the vertical pipeline section 34 of coiler 3, thus effectively can reduces compressor noise further.
The utility model also proposes a kind of piston compressor, and this piston compressor comprises the air suction silencer 100 above-mentioned according to the utility model.Because the air suction silencer 100 according to the utility model embodiment has above-mentioned advantage, therefore, by arranging this air suction silencer 100, thus the noise of piston compressor can be reduced.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (11)
1. an air suction silencer, is characterized in that, comprising:
Housing, be limited with the chamber that top is opened wide in described housing, the sidewall of described housing is provided with suction port;
Sucking pipe, described sucking pipe is located at described outside and is connected to described suction port place;
Coiler, described coiler is located in described chamber, limits passage in described coiler, and the first end of described coiler opens wide towards described suction port and has intended distance between the first end of described coiler and the described sidewall being provided with described suction port;
Upper cover, described upper cover is established on the housing to close described chamber, covers and be provided with air outlet hole on described, and the second end of described coiler opens wide towards described air outlet hole.
2. air suction silencer according to claim 1, is characterized in that, described coiler comprises at least one section of vertical pipeline section, and the perisporium of described vertical pipeline section is provided with opening.
3. air suction silencer according to claim 2, it is characterized in that, described coiler comprises: the first semicanal and the second semicanal, described first semicanal and described second semicanal are oppositely arranged to limit described passage, the wall of described first semicanal is provided with the first opening, and the wall of described second semicanal is provided with the second opening.
4. air suction silencer according to claim 2, is characterized in that, the internal diameter being positioned at the first end place of described coiler of the internal diameter being positioned at described opening of described passage, described passage is less than the internal diameter of all the other positions of described passage.
5. air suction silencer according to claim 4, is characterized in that, the internal diameter being positioned at described opening of described passage equals the internal diameter being positioned at the first end place of described coiler of described passage.
6. air suction silencer according to claim 4, is characterized in that, the internal diameter being positioned at the first end place of described coiler of described passage equals the internal diameter of described suction port.
7. air suction silencer according to claim 1, is characterized in that, the cross section of the outer wall of described coiler is rectangle, and the cross section of described passage is circular.
8. air suction silencer according to claim 2, it is characterized in that, also comprise the first longitudinal baffle extended along the longitudinal direction, described first longitudinal baffle is located in described housing, described chamber is separated into the first chamber and the second chamber opened horizontal interval by described first longitudinal baffle, and the described first end of described opening and described coiler lays respectively in described first chamber and described second chamber.
9. air suction silencer according to claim 8, is characterized in that, described first longitudinal baffle is provided with the first through hole running through its thickness.
10. air suction silencer according to claim 2, is characterized in that, also comprises:
The lateral partitions extended in the horizontal direction, described lateral partitions to be located in described housing and described chamber is separated into longitudinally-spaced upper chamber and lower chambers, described lateral partitions is provided with the second through hole, and the second end of described coiler is connected to described second through hole;
The second longitudinal baffle extended along the longitudinal direction, described second longitudinal baffle is located at described bottom chamber and described lower chambers is separated into the first lower chambers and the second lower chambers opened horizontal interval, and the described first end of described opening and described coiler lays respectively at described first lower chambers and described second bottom chamber.
11. 1 kinds of piston compressors, is characterized in that, comprise the air suction silencer according to any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004599.6U CN204371601U (en) | 2015-01-05 | 2015-01-05 | Piston compressor and air suction silencer thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004599.6U CN204371601U (en) | 2015-01-05 | 2015-01-05 | Piston compressor and air suction silencer thereof |
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| Publication Number | Publication Date |
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| CN204371601U true CN204371601U (en) | 2015-06-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564609A (en) * | 2015-01-05 | 2015-04-29 | 安徽美芝制冷设备有限公司 | Piston type compressor and air-suction silencer thereof |
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2015
- 2015-01-05 CN CN201520004599.6U patent/CN204371601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564609A (en) * | 2015-01-05 | 2015-04-29 | 安徽美芝制冷设备有限公司 | Piston type compressor and air-suction silencer thereof |
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