CN110873056A - Compressor and air conditioner - Google Patents
Compressor and air conditioner Download PDFInfo
- Publication number
- CN110873056A CN110873056A CN201811003807.5A CN201811003807A CN110873056A CN 110873056 A CN110873056 A CN 110873056A CN 201811003807 A CN201811003807 A CN 201811003807A CN 110873056 A CN110873056 A CN 110873056A
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- CN
- China
- Prior art keywords
- compressor
- hole
- air
- muffler
- cavity
- 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
- 230000003584 silencer Effects 0.000 claims abstract description 28
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 230000030279 gene silencing Effects 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000000392 somatic effect Effects 0.000 claims 1
- 230000008859 change Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000002889 sympathetic effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a compressor and an air conditioner, the compressor according to the invention comprises: the air inlet is arranged on the shell; the compression part is arranged in the shell and is provided with an air suction hole, and the air suction hole is communicated with the air inlet hole; wherein a silencer is also arranged in the shell and is positioned between the air suction hole and the air inlet hole. The compressor of the invention has low noise, the air flow does not easily excite the natural frequency of the cavity of the generator part, no resonance is generated, and the service life of the compressor is long.
Description
Technical Field
The invention relates to the field of domestic appliances, in particular to a compressor and an air conditioner.
Background
The electric compressor is the core part of refrigeration equipment, and the electric compressor work can produce vibration noise, and among the correlation technique, the suction hole of electric compressor compression portion directly links to each other with motor portion cavity, and along with the intake air flow noise that produces when the compressor operation easily arouses the cavity natural frequency of generator portion and produces the sympathetic response noise, brings the vehicle air conditioning system noise problem.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a compressor which has low noise, does not easily excite the natural frequency of the cavity of the generator, does not generate resonance, and has a long service life.
The invention also provides an air conditioner with the compressor.
The compressor according to the present invention includes: the air inlet is arranged on the shell; the compression part is arranged in the shell and is provided with an air suction hole, and the air suction hole is communicated with the air inlet hole; wherein a silencer is also arranged in the shell and is positioned between the air suction hole and the air inlet hole.
According to the compressor, the silencer is arranged between the air suction hole and the air inlet hole, when airflow flows through the silencer, energy of a part of the airflow is consumed, so that noise is reduced, meanwhile, the silencer is arranged between the air suction hole and the air inlet hole, the structure of the inner cavity of the compressor is changed, the natural frequency of the inner cavity of the compressor is further changed, the airflow and the cavity of the compressor cannot resonate, vibration and noise of the compressor are reduced, the service life of parts in the compressor is prolonged, and the reliability of the compressor is improved.
According to an embodiment of the present invention, a suction side cavity communicating with the suction hole and the intake hole, respectively, is provided inside the housing, and the muffler is provided in the suction side cavity.
According to an embodiment of the present invention, the compressor further comprises: the main bearing is arranged in the air suction side cavity and sleeved on a rotating shaft of the compressor, and a through hole communicated with the air suction hole is formed in the main bearing; the motor part is arranged in the air suction side cavity, the motor part and the part, provided with the through hole, of the main bearing are arranged at intervals to form a silencing cavity, and the silencer is arranged in the silencing cavity.
According to an embodiment of the invention, the main bearing comprises: the body part is sleeved on the rotating shaft, the installation part is arranged at the end part, close to the compression part, of the body part and extends towards the inner peripheral wall of the shell, the free end of the installation part abuts against the inner peripheral wall of the shell, the through hole is formed in the installation part, and the installation part and the motor part are spaced to form the silencing cavity.
According to an embodiment of the present invention, the muffler is sleeved on the body portion, and an outer periphery of the muffler abuts against an inner peripheral wall of the housing.
According to one embodiment of the invention, the silencer is constructed as a plate-like structure and is provided with silencing holes.
According to one embodiment of the present invention, the silencer is configured as an annular plate, the silencing holes are plural and are provided on the annular plate at intervals.
According to one embodiment of the invention, the muffling hole is selectively opened and closed.
According to one embodiment of the invention, the muffling hole is a circular hole or a semicircular hole.
An air conditioner according to the present invention will be briefly described below.
The air conditioner is provided with the compressor of the embodiment, and the air conditioner is provided with the compressor of the embodiment, so that the air conditioner is low in noise, the compressor cannot resonate with air flow, and the service life of the compressor is long.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a cross-sectional view of a compressor according to one embodiment of the present invention;
FIG. 2 is a schematic structural view of a muffler according to one embodiment of the present invention;
fig. 3 is a sectional view of a compressor according to another embodiment of the present invention;
FIG. 4 is a schematic structural view of a muffler according to another embodiment of the present invention;
fig. 5 is a sectional view of a compressor according to still another embodiment of the present invention;
fig. 6 is a schematic structural view of a muffler according to still another embodiment of the present invention.
Reference numerals:
the compressor (100) is provided with a compressor,
the housing 110 is provided with a plurality of openings,
the compression part (120) is provided with a compression part,
a muffler 130, a bottom wall portion 131, a peripheral wall portion 132,
the main bearing 140, the body portion 141, the mounting portion 142,
the rotation shaft 150, the motor part 160,
an air inlet hole 101, an air suction hole 102, an air suction side cavity 103, a silencing hole 104 and a through hole 105.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A compressor 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 6.
As shown in fig. 1, 2 and 3, a compressor 100 according to the present invention includes a housing 110 and a compressing part 120, the housing 110 is provided with an air inlet hole 101, and the air inlet hole 101 introduces external air into the compressor 100; the compression part 120 is arranged in the shell 110 and is provided with a suction hole 102, the suction hole 102 is communicated with the air inlet hole 101, and after outside air enters the shell 110 from the air inlet hole 101, the air enters the compression part 120 through the suction hole 102 in the shell 110 to be compressed; wherein a silencer 130 is further disposed in the housing 110, and the silencer 130 is located between the suction hole 102 and the intake hole 101.
Along with the operation of compressor 100, the air current constantly enters into casing 110 from inlet hole 101, and the interior gas of casing 110 enters into compression portion 120 through suction hole 102, and the natural frequency of compressor 100 cavity can be aroused in the air current flow's in-process, and the air current vibration frequency can produce the sympathetic response noise with the produced natural frequency of cavity, has aggravated the wearing and tearing of spare part, makes compressor 100 the noise that produces at the during operation big simultaneously, influences user's use experience.
According to the compressor 100 of the present invention, the muffler 130 is disposed in the shell 110 of the compressor 100, the muffler 130 can be disposed between the air intake 101 and the air suction 102, the muffler 130 can change the structure of the cavity inside the shell 110, and further change the natural frequency of the cavity inside the compressor 100, so as to prevent the air flow from resonating with the cavity of the compressor 100 when flowing; further, the silencer 130 can be a resistive silencer, and when the airflow flows through the silencer 130, the airflow will rub against the silencer 130, so as to consume a part of the energy of the airflow, and further consume a part of the energy of the noise, thereby achieving the purpose of reducing the noise.
According to the compressor 100 of the present invention, the silencer 130 is disposed between the suction hole 102 and the suction hole 101, when the air flow passes through the silencer 130, the air flow rubs against the silencer 130, and further consumes a portion of the energy of the air flow, so as to reduce noise, and meanwhile, the silencer 130 is disposed between the suction hole 102 and the suction hole 101, so as to change the structure of the inner cavity of the compressor 100, and further change the natural frequency of the inner cavity of the compressor, so that the air flow and the cavity of the compressor 100 cannot resonate, reduce vibration and noise of the compressor 100, and improve the service life of the parts in the compressor 100 and the reliability of the compressor 100.
According to an embodiment of the present invention, the housing 110 is internally provided with a suction side cavity 103 communicating with the suction hole 102 and the suction hole 101, respectively, and the muffler 130 is disposed in the suction side cavity 103. The suction side cavity 103 is arranged between the suction hole 102 and the air inlet hole 101, the suction side cavity 103 is communicated with the air inlet hole 101, when air enters the shell 110 from the outside of the shell 110 through the air inlet hole 101, the air directly enters the suction side cavity 103, the air in the suction side cavity 103 continuously flows from the air inlet hole 101 to the suction hole 102, so that the air forms an air flow in the suction side cavity 103, noise is generated in the suction side cavity 103 due to the flowing of the air flow, the silencer 130 is arranged in the suction side cavity 103, the silencer 130 can reduce the noise at the source of the noise generation, the air flow rubs with the silencer 130 to consume most of the energy of the noise, and the noise of the compressor 100 is effectively reduced.
According to an embodiment of the present invention, the compressor 100 further includes a main bearing 140, the main bearing 140 is disposed in the suction side cavity 103 and sleeved on a rotation shaft 150 of the compressor 100, and the main bearing 140 is provided with a through hole 105 communicating with the suction hole 102. The main bearing 140 is used for supporting the rotating shaft 150, so that the rotating stability of the rotating shaft 150 is guaranteed, the main bearing 140 is provided with a through hole 105 communicated with the air suction hole 102, the through hole 105 is opposite to the air suction hole 102, air flow can enter the compression part 120 from the air suction side cavity 103 through the through hole 105, the through hole 105 is arranged on the main bearing 140, the air flow can be guaranteed to flow, and the flowing stability of air in the compressor 100 is guaranteed.
The compressor 100 further includes a motor portion 160, the motor portion 160 is disposed in the suction side cavity 103, the motor portion 160 and a portion of the main bearing 140 where the through hole 105 is disposed are spaced apart from each other to form a sound-deadening chamber, the muffler 130 is disposed in the sound-deadening chamber, a peripheral wall of the motor portion 160 may be attached to an inner wall surface of the shell 110, a chamber formed between the motor portion 160 and the main bearing 140 may be the sound-deadening chamber, the muffler 130 is disposed in the sound-deadening chamber, a part of noise generated when the motor portion 160 operates is diffused in the sound-deadening chamber, and a vibration frequency generated when the motor portion 160 operates may be the same as a vibration frequency of the air flow to cause a resonance phenomenon, and the muffler 130 is disposed in the sound-deadening chamber to attenuate vibration when the motor portion 160 operates and to generate a certain blocking effect on the air flow to make the vibration frequency of the air flow be deviated from the vibration frequency of the motor, the occurrence of the resonance phenomenon is avoided, the reliability of the compressor 100 is improved, and the noise of the compressor 100 is reduced.
According to an embodiment of the present invention, the main bearing 140 includes a body portion 141 and a mounting portion 142, wherein the body portion 141 is sleeved on the rotating shaft 150, the body portion 141 is engaged with the main bearing 140 so that the main bearing 140 can stably rotate in the casing 110 and transmit power to the compression portion 120, the mounting portion 142 is disposed on an end portion of the body portion 141 close to the compression portion 120 and extends toward an inner circumferential wall of the casing 110, a free end of the mounting portion 142 abuts against the inner circumferential wall of the casing 110, the mounting portion 142 is provided with a through hole 105, and the mounting portion 142 is spaced apart from the motor portion 160 to form a sound damping cavity.
As shown in fig. 1, 3 and 5, in particular, the main body 141 may be configured as a cylindrical structure, the rotating shaft 150 passes through the main body 141, the mounting portion 142 is disposed at an end of the main body 141 close to the compressing portion 120, the mounting portion 142 is disposed on an outer circumferential wall of the end of the main body 141 and extends toward an inner circumferential wall of the casing 110, a free end of the mounting portion 142 abuts against the inner circumferential wall of the casing 110, the free end of the mounting portion 142 may be in interference fit with the inner circumferential wall of the casing 110, so that the main bearing 140 may be stably disposed inside the casing 110, and the mounting portion 142 may effectively support the main body 141. The mounting portion 142 is spaced apart from the motor portion 160, and a sound-deadening chamber is defined between the body portion 141, the mounting portion 142, the motor portion 160, and the inner peripheral wall of the housing 110.
As shown in fig. 1, the muffler 130 is configured as a plate-shaped structure, an outer circumference of the muffler 130 abuts against an inner circumferential wall of the housing 110, the muffler 130 may be configured as a circle, an outer diameter of the muffler 130 may be the same as an inner diameter of the housing 110, a hole matched with the body portion 141 is provided on the muffler 130, and the muffler 130 may be in interference fit with the body portion 141, so that the muffler 130 may be stably disposed on the body portion 141.
Furthermore, the silencer 130 is provided with a silencing hole 104, the air passes through the silencer 130 from one side of the silencer 130 through the silencing hole 104 in the silencing cavity to reach the other side of the silencing cavity, when the air passes through the silencing hole 104, the air and the hole wall of the silencing hole 104 are rubbed, so that partial energy of the air is dissipated, and the vibration frequency of the air is changed, meanwhile, the natural frequency of the cavity 103 on the air suction side is changed by the arrangement of the silencer 130, and further, the vibration of the air is different from the natural frequency of the cavity of the compressor 100, so that the occurrence of a resonance phenomenon is effectively prevented, and the reliability of the compressor 100 is improved.
According to an embodiment of the present invention, the silencer 130 is an annular plate, the silencing holes 104 are multiple, and the plurality of silencing holes 104 are spaced on the annular plate, and the plurality of silencing holes 104 can ensure smooth gas circulation in the silencing cavity, and prevent the pressure in the silencing cavity from being too high.
As shown in fig. 3 and 4, according to an embodiment of the present invention, the muffler 130 includes a bottom wall portion 131 and a peripheral wall portion 132, wherein the bottom wall portion 131 may be configured in a ring shape and is sleeved on the body portion 141, the peripheral wall portion 132 is disposed on the outer periphery of the bottom and extends toward a direction away from the compression portion 120, a boss is disposed on the inner peripheral wall of the housing 110, an end surface of the boss abuts against an end surface of the peripheral wall portion 132, and the sealing property between the muffler 130 and the housing 110 is improved.
According to an embodiment of the present invention, the muffling hole 104 can be selectively opened and closed, the blocking effect of the muffler 130 on the air flow can be changed by controlling the opening and closing of the muffling hole 104, the natural frequency of the cavity in the compressor 100 can be changed, and the shape of the muffling hole 104 can be changed to eliminate resonance, thereby improving the reliability of the compressor 100.
According to an embodiment of the present invention, the muffling holes 104 are circular holes or semicircular holes, and the shape of the muffling holes 104 is not limited to circular holes or semicircular holes, but may also be configured as a special-shaped hole, and the shape of the muffling holes 104 may be selected according to different configurations of the housing 110, so as to improve the noise reduction effect of the muffler 130.
An air conditioner according to the present invention will be briefly described below.
The air conditioner according to the present invention is provided with the compressor 100 of the above-described embodiment, and since the air conditioner according to the present invention is provided with the compressor 100 of the above-described embodiment, the noise of the air conditioner is low, the compressor 100 does not resonate with the air flow, and the service life of the compressor 100 is long.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A compressor, comprising:
the air inlet is arranged on the shell;
the compression part is arranged in the shell and is provided with an air suction hole, and the air suction hole is communicated with the air inlet hole; wherein
And a silencer is also arranged in the shell and is positioned between the air suction hole and the air inlet hole.
2. The compressor of claim 1, wherein a suction side cavity communicating with the suction hole and the suction hole, respectively, is provided inside the housing, and the muffler is provided in the suction side cavity.
3. The compressor of claim 2, further comprising:
the main bearing is arranged in the air suction side cavity and sleeved on a rotating shaft of the compressor, and a through hole communicated with the air suction hole is formed in the main bearing;
the motor part is arranged in the air suction side cavity, the motor part and the part, provided with the through hole, of the main bearing are arranged at intervals to form a silencing cavity, and the silencer is arranged in the silencing cavity.
4. The compressor of claim 3, wherein the main bearing comprises:
a body part sleeved on the rotating shaft,
the installation department, the installation department sets up on the tip that is close to of this somatic part the compression portion and towards the internal perisporium of casing extends, the free end of installation department with the internal perisporium of casing is stopped, be provided with on the installation department the via hole, the installation department with motor portion spaced apart is in order to form the amortization chamber.
5. The compressor of claim 4, wherein the muffler is disposed on the body and an outer periphery of the muffler abuts against an inner peripheral wall of the housing.
6. A compressor according to any one of claims 1-5, characterized in that the muffler is constructed in a plate-like structure and is provided with muffling holes.
7. The compressor of claim 1, wherein the muffler is configured as an annular plate, the muffling hole is plural and the muffling holes are provided in the annular plate at intervals.
8. The compressor of claim 7, wherein the muffling aperture is selectively opened and closed.
9. The compressor of claim 6, wherein the muffling hole is a circular hole, a semicircular hole.
10. An air conditioner characterized by comprising the compressor of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003807.5A CN110873056A (en) | 2018-08-30 | 2018-08-30 | Compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003807.5A CN110873056A (en) | 2018-08-30 | 2018-08-30 | Compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110873056A true CN110873056A (en) | 2020-03-10 |
Family
ID=69715217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811003807.5A Pending CN110873056A (en) | 2018-08-30 | 2018-08-30 | Compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110873056A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03149381A (en) * | 1989-11-02 | 1991-06-25 | Matsushita Electric Ind Co Ltd | Scroll compressor |
| CN102734120A (en) * | 2011-03-31 | 2012-10-17 | 株式会社丰田自动织机 | Motor-driven compressor |
| CN202926624U (en) * | 2012-08-06 | 2013-05-08 | 大连三洋压缩机有限公司 | Scroll compressor |
| CN106321447A (en) * | 2016-10-20 | 2017-01-11 | 武汉凌达压缩机有限公司 | Silencer of compressor and compressor comprising silencer |
| CN206054296U (en) * | 2016-07-05 | 2017-03-29 | 嵊州市涡旋冷冻机有限公司 | A kind of screw compressor air vent with vesicular texture |
-
2018
- 2018-08-30 CN CN201811003807.5A patent/CN110873056A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03149381A (en) * | 1989-11-02 | 1991-06-25 | Matsushita Electric Ind Co Ltd | Scroll compressor |
| CN102734120A (en) * | 2011-03-31 | 2012-10-17 | 株式会社丰田自动织机 | Motor-driven compressor |
| CN202926624U (en) * | 2012-08-06 | 2013-05-08 | 大连三洋压缩机有限公司 | Scroll compressor |
| CN206054296U (en) * | 2016-07-05 | 2017-03-29 | 嵊州市涡旋冷冻机有限公司 | A kind of screw compressor air vent with vesicular texture |
| CN106321447A (en) * | 2016-10-20 | 2017-01-11 | 武汉凌达压缩机有限公司 | Silencer of compressor and compressor comprising silencer |
Non-Patent Citations (1)
| Title |
|---|
| 曹文平等: "《环境工程导论》", 30 November 2012 * |
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Application publication date: 20200310 |
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| RJ01 | Rejection of invention patent application after publication |