CN109458332A - Noise reduction helical-lobe compressor - Google Patents
Noise reduction helical-lobe compressor Download PDFInfo
- Publication number
- CN109458332A CN109458332A CN201811634013.9A CN201811634013A CN109458332A CN 109458332 A CN109458332 A CN 109458332A CN 201811634013 A CN201811634013 A CN 201811634013A CN 109458332 A CN109458332 A CN 109458332A
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- China
- Prior art keywords
- flow channel
- coolant flow
- liquid
- inlet
- noise reduction
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of noise reduction helical-lobe compressor that the present invention supplies, belong to helical-lobe compressor field, by the way that cooling channel is arranged between double wall, solve the problems, such as that helical-lobe compressor generates a large amount of heat and noise in use in the prior art, by the structure setting of coolant flow channel, cooling screw compressor while, completely cuts off noise, and structure design is simple, cooling efficiency is high, excellent noise reduction effect.
Description
Technical field
The present invention relates to helical-lobe compressor field more particularly to a kind of noise reduction helical-lobe compressors.
Background technique
Air compressor machine is the device for compressed air, a large amount of heat and noise can be generated in operation, in air compressor machine
The helical-lobe compressor being most widely used.Helical-lobe compressor is parallel to each other by a pair, intermeshing yin-yang rotor is constituted, and is passed through
The high speed rotation of yin-yang rotor achievees the purpose that compressed air.Yin-yang rotor can generate a large amount of during high speed rotation
Heat can reduce the working efficiency of helical-lobe compressor if can not distribute in time, influence helical-lobe compressor use the longevity
Life；And noise can be generated, under the application scenarios of some pairs of noise-sensitives, is not available.
Summary of the invention
In view of the above problems, a kind of noise reduction helical-lobe compressor provided by the invention, to solve spiral shell in the prior art
Bar compressor leads to the problem of a large amount of heat and noise in use, passes through the structure setting of coolant flow channel, cooling screw
Completely cut off noise while compressor, structure design is simple, and cooling efficiency is high, excellent noise reduction effect.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of noise reduction helical-lobe compressor provided by the invention, including the coolant flow channel logical for cooling liquid stream；The cooling stream
Road includes wrapping up the inner housing of yin-yang rotor, the shell-like outer housing for the both ends open being sheathed on the inner housing and two sealings
Part；The sealing element is set to the shell-like both ends of the outer housing；There is space between the outer housing and the inner housing；It is described
Outer housing, the inner housing and two sealing elements constitute confined space；It is arranged between the inner housing and the outer housing
There are several support plates；The support plate is individually fixed on the outer housing and the inner housing；The support plate is around described
Inner housing is radially arranged；The adjacent support plate and the inner housing, the outer housing constitutes a closed liquid storehouse；
The inlet is offered on the outer housing or the sealing element, offered on the outer housing or the sealing element it is described go out
Liquid mouth；The inlet is connected to a liquid storehouse, and the liquid outlet is connected to liquid storehouse described in another；Part or all of institute
State the connection opening offered in support plate for liquid communication；There is only a processes between the inlet for the liquid outlet
The access in all liquid storehouses.
Noise reduction helical-lobe compressor provided by the invention, it is preferable that the liquid storehouse and the liquid out where the inlet
The liquid storehouse where mouthful is adjacent；It is described between the liquid storehouse where the inlet and the liquid storehouse where the liquid outlet
Support plate is partition；The not set connection opening on the partition；It is opened in remaining described support plate in addition to the partition
It is open equipped with connection.
Noise reduction helical-lobe compressor provided by the invention, it is preferable that the connection opening is set to the side of the support plate
On；The connection of the adjacent support plate is provided on opposite lateral side.
Noise reduction helical-lobe compressor provided by the invention, it is preferable that the corresponding liquid storehouse highest order connection of the inlet.
Noise reduction helical-lobe compressor provided by the invention, it is preferable that the liquid storehouse being connected to the inlet be top most
The high liquid storehouse.
Noise reduction helical-lobe compressor provided by the invention, it is preferable that further include feed pathway；One of the feed pathway opens
Mouth is opened on the outer wall of the outer housing, and another opening is connected to the inside of the inner housing.
Noise reduction helical-lobe compressor provided by the invention, it is preferable that including multiple coolant flow channels；The coolant flow channel from
Left-to-right is close to fix side by side；The coolant flow channel in the two neighboring coolant flow channel positioned at left side is left coolant flow channel,
The coolant flow channel positioned at right side is right coolant flow channel；The liquid outlet of the left coolant flow channel and the right coolant flow channel into
The closed connection of liquid mouth.
Noise reduction helical-lobe compressor provided by the invention, it is preferable that the liquid outlet of the left coolant flow channel is set to the left side
On the sealing element on the right side of coolant flow channel；The inlet of the right coolant flow channel is set to the close of the left side of the right coolant flow channel
On sealing；The liquid outlet of the left coolant flow channel is close to the inlet of the right coolant flow channel.
Noise reduction helical-lobe compressor provided by the invention, it is preferable that the sealing element on the right side of the left coolant flow channel with it is described
The sealing element in the left side of right coolant flow channel is same sealing element；The liquid outlet of the left coolant flow channel is the right coolant flow channel
Inlet.
The technical scheme has the following advantages or beneficial effects:
A kind of noise reduction helical-lobe compressor provided by the invention, including the coolant flow channel logical for cooling liquid stream；The cooling stream
Road includes wrapping up the inner housing of yin-yang rotor, the shell-like outer housing for the both ends open being sheathed on the inner housing and two sealings
Part；The sealing element is set to the shell-like both ends of the outer housing；There is space between the outer housing and the inner housing；It is described
Outer housing, the inner housing and two sealing elements constitute confined space；It is arranged between the inner housing and the outer housing
There are several support plates；The support plate is individually fixed on the outer housing and the inner housing；The support plate is around described
Inner housing is radially arranged；The adjacent support plate and the inner housing, the outer housing constitutes a closed liquid storehouse；
The inlet is offered on the outer housing or the sealing element, offered on the outer housing or the sealing element it is described go out
Liquid mouth；The inlet is connected to a liquid storehouse, and the liquid outlet is connected to liquid storehouse described in another；Part or all of institute
State the connection opening offered in support plate for liquid communication；There is only a processes between the inlet for the liquid outlet
The access in all liquid storehouses.The invention solve helical-lobe compressor in the prior art generate in use a large amount of heat and
The problem of noise, by the structure setting of coolant flow channel, cooling screw compressor while, completely cuts off noise, and structure design is simple,
Cooling efficiency is high, excellent noise reduction effect.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent.Identical label indicates identical part in all the attached drawings.Not deliberately according to than
Example draws attached drawing, it is preferred that emphasis is shows the gist of the present invention.
Fig. 1 is the schematic diagram at a visual angle of the front end for the noise reduction helical-lobe compressor that the embodiment of the present invention 1 provides；
Fig. 2 is the schematic diagram at another visual angle of the front end for the noise reduction helical-lobe compressor that the embodiment of the present invention 1 provides；
Fig. 3 is the schematic diagram at another visual angle of the rear end for the noise reduction helical-lobe compressor that the embodiment of the present invention 1 provides；
Fig. 4 is the noise reduction helical-lobe compressor structural schematic diagram that the embodiment of the present invention 1 provides.
Specific embodiment
The present invention is further illustrated with specific embodiment with reference to the accompanying drawing, but not as limit of the invention
It is fixed.
Embodiment 1:
As shown in figures 1-4, a kind of noise reduction helical-lobe compressor that the embodiment of the present invention 1 provides, which is characterized in that including 2
For the logical coolant flow channel 1 of cooling liquid stream；For single runner, coolant flow channel 1 includes the inner housing of package yin-yang rotor
11, the shell-like outer housing 12 and two sealing elements of the both ends open on inner housing 11 are sheathed on；Sealing element is set to outer housing 11
Shell-like both ends；There is space between outer housing 12 and inner housing 11；Outer housing 12, inner housing 11 constitute closed with two sealing elements
Space；Several support plates 14 are provided between inner housing 11 and outer housing 12；Support plate 14 be individually fixed in outer housing 12 with it is interior
On shell 11；Support plate 14 is radially arranged around inner housing 11；Adjacent support plate 14 and inner housing 11,12 structure of outer housing
At a closed liquid storehouse 15；Inlet 16 is offered on outer housing 12 or sealing element, is offered on outer housing 12 or sealing element
Liquid outlet 17；Inlet 16 is connected to a liquid storehouse 15, and liquid outlet 17 is connected to another liquid storehouse 15；Part or all of support plate
The connection opening 141 for liquid communication is offered on 14；Liquid outlet 17 to pass through all liquid to there is only one between inlet 16
The access in storehouse 15.
It should be noted that between the number of fragments and segmentation of the quantity view noise reduction helical-lobe compressor shell of coolant flow channel
Whether coolant flow channel, which completely cuts off, determines, in the present embodiment, the outer housing of the noise reduction helical-lobe compressor in the present embodiment by
Front end 01 and rear end 02 form, and the coolant flow channel 1 between front end 01 and rear end 02 mutually completely cuts off, therefore in the present embodiment
Practical there are two coolant flow channels 1, are separately positioned in forward end 01 and rear end 02, and single coolant flow channel is directed in context
1 elaboration is not only suitable for front end 01, is also applied for rear end 02, and for ease of description, the present embodiment mainly selects front end
01 is illustrated, but does not influence understanding of the coolant flow channel in rear end 02, can not equally become coolant flow channel 1
It limits.In the present embodiment, the inlet 16 of front end 01 is set on the outer housing 12 of front end 01, and liquid outlet 17 is arranged preceding
On the sealing element of end 01, the inlet 16 of rear end 02 is set on the sealing element of rear end 02, after liquid outlet 17 is set to
On the outer housing 12 of end 02.
The hollow double wall of one kind that inner housing 11 and outer housing 12 are substantially constituted；Two sealing elements being arranged, one is
Lid and the end cap 012 on front end 01, the other is being integrally formed the cooling stream for being used to completely cut off rear end 02 on front end 01
The demarcation plate 011 in road 1；Support plate 14 is provided between inner housing 11 and outer housing 12, i.e., by the inner space of double wall point
It is divided into one by one around the confined space of rotor setting, confined space is liquid storehouse 15, by part or all of support plate 14
On offer connection opening 141, offer connection opening 141 support plate, enable to adjacent liquid storehouse to be connected to；By will be into
Liquid mouth 16, liquid outlet 17 are connected to from different liquid storehouses, and there is only a process is all between inlet 16 for liquid outlet 17
Then the access in liquid storehouse 15 flows out so that cooling water enters from inlet 16 flows through all liquid storehouses 15 through liquid outlet 17, i.e., cold
But water energy reaches fully wrapped around entire inner housing 11；Compressor during the work time, can distribute a large amount of heat, such as radiate not in time,
It is light then influence working efficiency, heavy then compressor damage, in order to take away a large amount of heat that compressor distributes during the work time, this reality
Example is applied by inner housing 11 as heat-transfer surface, cooling water ring can be made around package inner housing 11 by the way that coolant flow channel 1 is arranged, it is cooling
Water energy is enough to be come into full contact with inner housing 11, and the cooling water of flowing constantly takes away heat, sufficiently radiates；Meanwhile around package inner casing
The cooling water of body 11 forms the waterwall that can completely cut off noise together outside inner housing 11, and compressor operation can be greatly reduced
In noise；Also, support plate 14 plays the role of reinforcement between inner housing 11 and outer housing 12, prevents inner housing 11 in work
It is deformed during making.
A kind of noise reduction helical-lobe compressor that the embodiment of the present invention 1 provides, solving helical-lobe compressor in the prior art makes
With leading to the problem of a large amount of heat and noise in the process, by the structure setting of coolant flow channel, while cooling screw compressor
Completely cut off noise, structure design is simple, and cooling efficiency is high, excellent noise reduction effect.
In order to guarantee inlet 16 to having between liquid outlet 17 and an only cooling channel, and the cooling channel is necessary
Flow through whole liquid storehouses 15, it is preferable that the liquid storehouse 15 where inlet 16 is adjacent with the liquid storehouse 15 where liquid outlet 17；Inlet
Support plate 14 between liquid storehouse 15 where 16 and the liquid storehouse 15 where liquid outlet 17 is partition 142；Not set company on partition 142
Open up mouth 141；Connection opening 141 is offered in remaining support plate 14 in addition to partition 142.By preferred structure setting,
An annular access through inlet 16 to liquid outlet 17 is formd, cooling water can be to 11 all standing of inner housing；And it is each
Liquid storehouse 15 is all a part of annular access, and the cooling water in liquid storehouse 15 flows constantly, has prevented to have in part liquid storehouse 15
Cooling water but just do not flow after being filled with or poor fluidity caused by the bad situation of heat dissipation effect occur.
Preferably, connection opening 141 is set on the side of support plate 14；The connection opening 141 of adjacent support plate 14
It is provided on opposite lateral side.If the connection opening 141 in adjacent support plate 14 is arranged in the same side, flow of cooling water path is
It is connected to opening 141 to another between a connection opening 141, can't be passed through inside liquid storehouse 15, although in cooling procedure
In, cooling water presence is had in liquid storehouse 15, but circulation is very poor, causes cooling effect bad, for this purpose, by adjacent support plate
14 connection opening 141 is provided on opposite lateral side, extends the flow path of cooling water with this, strengthens cooling effect, and liquid
Cooling effect is not on flow path, caused by having prevented the flow of cooling water difference in liquid storehouse 15 for the inner space in storehouse 15 yet
Good situation occurs.
It should be noted that the cavity in Fig. 1 marked as 18 is to mend the cavity for rushing lubricating oil, two arm structures of entire cavity
It is not the emphasis of the present embodiment at a support plate 14, is not unfolded herein.
More specifically, 15 highest order of the liquid storehouse connection that inlet 16 is corresponding.The corresponding liquid storehouse 15 of inlet 16
Highest order connection can guarantee that water full of behind the corresponding liquid storehouse 15 of inlet 16, flows out, it is ensured that cooling effect just now.
More specifically, the liquid storehouse 15 being connected to inlet 16 is the highest liquid storehouse 15 in top, can guarantee fill up it is all
It behind liquid storehouse, is flowed out from inlet 16 just now, ensure that the thickness of cooling water in liquid storehouse 15, improve cooling effect and noise reduction effect
Fruit.
In application scenes, often only a set of water system avoids cooling water to make full use of cooling water
Waste, it is highly preferred that further including feed pathway 2；One of feed pathway 2 is opened on the outer wall of outer housing 12, another
Opening is connected to the inside of inner housing 11.One oral area of the feed pathway 2 in the present embodiment is provided with the bottom of rear end 02,
The pipeline with filter can be set between the liquid outlet 17 of rear end 02 and an opening of feed pathway 2 to be connected to,
When cooling water flows out the liquid outlet 17 of rear end 02, feed pathway 2 is flowed into after filtering, to carrying out inside inner housing 11 into one
The cooling of step, drop heat.
More specifically, the coolant flow channel 1 of front end 01 is close to admittedly side by side from left to right with the coolant flow channel 01 of rear end 02
It is fixed；The coolant flow channel 1 of front end 01 is left coolant flow channel, and the coolant flow channel 01 of rear end 02 is right coolant flow channel；Left cooling stream
The liquid outlet 17 in the road and inlet 16 of right coolant flow channel is closed is connected to.Pass through the liquid outlet 17 and right cooling stream of left coolant flow channel
The closed connection of inlet 16 in road, for two coolant flow channels 1 there is only an external inlet 16 and liquid outlet 17, the left side made is cold
But runner and right coolant flow channel are placed in a system, eliminate the trouble that multiple water supply pipes are arranged, while ensuring cooling
The stabilization of effect.
More specifically, the liquid outlet 17 of left coolant flow channel is set to the sealing element (demarcation plate on the right side of left coolant flow channel
011) on；Demarcation plate 011 is the sealing element in the left side of right coolant flow channel, and the sealing element on the right side of right coolant flow channel is rear end cap
021；The liquid outlet 17 of left coolant flow channel is the inlet 16 of right coolant flow channel, eliminates connection inlet 16 and sets with liquid outlet 17
The trouble for setting additional passageway, saves cost, improves reliability.
It should be appreciated by those skilled in the art that those skilled in the art combine the prior art and above-described embodiment can be real
The existing change case, it will not be described here.Such change case does not affect the essence of the present invention, and it will not be described here.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, devices and structures not described in detail herein should be understood as gives reality with the common mode in this field
It applies；Anyone skilled in the art makes many possible changes and modifications not departing from technical solution of the present invention, or
Equivalent example modified to equivalent change, this is not affected the essence of the present invention.Therefore, all without departing from skill of the present invention
The content of art scheme, according to the technical essence of the invention any simple modification made to the above embodiment, equivalent variations and repair
Decorations, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (9)
1. a kind of noise reduction helical-lobe compressor, which is characterized in that including at least one coolant flow channel logical for cooling liquid stream；It is described cold
But runner includes wrapping up the inner housing of yin-yang rotor, the shell-like outer housing for the both ends open being sheathed on the inner housing and two
Sealing element；The sealing element is set to the shell-like both ends of the outer housing；There is space between the outer housing and the inner housing；
The outer housing, the inner housing and two sealing elements constitute confined space；Between the inner housing and the outer housing
It is provided with several support plates；The support plate is individually fixed on the outer housing and the inner housing；The support plate is surround
The inner housing is radially arranged；The adjacent support plate and the inner housing, the outer housing constitutes closed one
Liquid storehouse；The inlet is offered on the outer housing or the sealing element, is offered on the outer housing or the sealing element
The liquid outlet；The inlet is connected to a liquid storehouse, and the liquid outlet is connected to liquid storehouse described in another；Part or
The connection opening for liquid communication is all offered in the support plate；The liquid outlet is to there is only one between the inlet
Item passes through the access in all liquid storehouses.
2. noise reduction helical-lobe compressor as described in claim 1, which is characterized in that the liquid storehouse and institute where the inlet
The liquid storehouse where stating liquid outlet is adjacent；Between the liquid storehouse where the inlet and the liquid storehouse where the liquid outlet
The support plate be partition；The not set connection opening on the partition；Remaining described support plate in addition to the partition
On offer connection opening.
3. noise reduction helical-lobe compressor as claimed in claim 2, which is characterized in that the connection opening is set to the support plate
Side on；The connection of the adjacent support plate is provided on opposite lateral side.
4. noise reduction helical-lobe compressor as claimed in claim 2, which is characterized in that the corresponding liquid storehouse highest of the inlet
Position connection.
5. noise reduction helical-lobe compressor as claimed in claim 2, which is characterized in that the liquid storehouse being connected to the inlet is
The highest liquid storehouse in top.
6. noise reduction helical-lobe compressor as described in claim 1, which is characterized in that further include feed pathway；The feed pathway
One be opened on the outer wall of the outer housing, another opening is connected to the inside of the inner housing.
7. the noise reduction helical-lobe compressor as described in any one of claim 1~6, which is characterized in that including multiple described cold
But runner；The coolant flow channel is close to fix from left to right side by side；Positioned at the described of left side in the two neighboring coolant flow channel
Coolant flow channel is left coolant flow channel, and the coolant flow channel positioned at right side is right coolant flow channel；The left coolant flow channel goes out liquid
Mouthful with the inlet of the right coolant flow channel is closed is connected to.
8. noise reduction helical-lobe compressor as claimed in claim 6, which is characterized in that the liquid outlet of the left coolant flow channel is set to
On the sealing element on the right side of the left coolant flow channel；The inlet of the right coolant flow channel is set to a left side for the right coolant flow channel
On the sealing element of side；The liquid outlet of the left coolant flow channel is close to the inlet of the right coolant flow channel.
9. noise reduction helical-lobe compressor as claimed in claim 7, which is characterized in that the sealing element on the right side of the left coolant flow channel
Sealing element with the left side of the right coolant flow channel is same sealing element；The liquid outlet of the left coolant flow channel is the right cooling
The inlet of runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634013.9A CN109458332A (en) | 2018-12-29 | 2018-12-29 | Noise reduction helical-lobe compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634013.9A CN109458332A (en) | 2018-12-29 | 2018-12-29 | Noise reduction helical-lobe compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109458332A true CN109458332A (en) | 2019-03-12 |
Family
ID=65615605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634013.9A Pending CN109458332A (en) | 2018-12-29 | 2018-12-29 | Noise reduction helical-lobe compressor |
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| Country | Link |
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| CN (1) | CN109458332A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215721A (en) * | 2021-12-22 | 2022-03-22 | Tcl家用电器（合肥）有限公司 | Noise reduction device and refrigerator |
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| KR101509387B1 (en) * | 2014-01-20 | 2015-04-07 | 성균관대학교산학협력단 | Cooling system for a screw compressor |
| CN104863902A (en) * | 2015-05-31 | 2015-08-26 | 江苏国河泵业科技有限公司 | Pump shaft oil temperature cooling device |
| CN106837800A (en) * | 2017-02-21 | 2017-06-13 | 东北大学 | A kind of screw vacuum pump with interior circulation cooling system |
| CN207093377U (en) * | 2017-08-29 | 2018-03-13 | 宁波鲍斯能源装备股份有限公司 | Screw compressor oil-cooled motor |
| CN209569161U (en) * | 2018-12-29 | 2019-11-01 | 无锡五洋赛德压缩机有限公司 | Noise reduction helical-lobe compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215721A (en) * | 2021-12-22 | 2022-03-22 | Tcl家用电器（合肥）有限公司 | Noise reduction device and refrigerator |
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