CN107676266B - Compressor motor cooling structure, compressor and refrigerating system - Google Patents
Compressor motor cooling structure, compressor and refrigerating system Download PDFInfo
- Publication number
- CN107676266B CN107676266B CN201711111838.8A CN201711111838A CN107676266B CN 107676266 B CN107676266 B CN 107676266B CN 201711111838 A CN201711111838 A CN 201711111838A CN 107676266 B CN107676266 B CN 107676266B
- Authority
- CN
- China
- Prior art keywords
- motor
- runner
- compressor
- guide frame
- refrigerant
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 239000003507 refrigerant Substances 0.000 claims abstract description 52
- 238000005057 refrigeration Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002826 coolant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005347 demagnetization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000010726 refrigerant oil Substances 0.000 description 1
Classifications
-
- 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
- F04C18/10—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 internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member
- F04C18/107—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 internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member with helical teeth
-
- 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
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention relates to a compressor motor cooling structure, a compressor and a refrigerating system, wherein the compressor motor cooling structure comprises a shell, a motor and a guide structure, the motor is arranged in the shell, the motor is provided with a flow passage, and the guide structure is used for guiding a refrigerant to the flow passage. The guide structure is arranged to guide the refrigerant to the flow channel, so that the refrigerant can more effectively pass through the interior of the motor, and the guide structure is combined with the flow channel arranged on the motor, so that the contact area between the refrigerant and the motor can be increased, and the cooling effect on the motor is improved.
Description
Technical field
The present invention relates to refrigeration technology field more particularly to a kind of compressor electric motor cooling structures, compressor and refrigeration system
System.
Background technique
Screw compressor presses the difference of compressor and motor bind mode, can be divided into open-type, semi-enclosed two
Kind.Open-type helical-lobe compressor is that compressor is connected to motor by shaft coupling, needs to install axle envelope on compressor rotor shaft, with
Anti- refrigerant and oil leak；Motor is open type air-cooling motor.Semi-enclosed helical-lobe compressor is electric machine built-in to compressor
In, motor and compressor one, compressor housing can effectively prevent the leakage of refrigerant and lubricating oil, and adopt by flanged joint
With the cooling motor of refrigerant, guarantee the reliable cooling of motor；Motor is semiclosed motor.
Since semi-hermetic screw compressor has good seal performance, structure is simple, the few feature of transmission parts, the model of application
It encloses increasingly wider.Due to being cooled down by compressor air suction refrigerant in electric machine built-in to compressor, in order to guarantee that motor can have
Effect cooling, is disposed with motor cooling passageway, low temperature suction refrigerant flows in motor cooling passageway, with motor outside motor
Heat exchange is carried out, the calorific value of motor is taken away.
Specific structure are as follows: motor is mounted in the shell of compressor, has a plurality of muscle to be supported motor stator in shell,
The outer wall of motor and the inner wall of shell form motor stator coolant flow channel, and motor stator inner surface and rotor outer surface are formed
Rotor coolant flow channel, since rotor coolant flow channel is also the design air gap of motor, the design air gap of motor is generally very
Small, only 1~2mm is based on this reason, and rotor during rotation, is unfavorable for refrigerant and enters the cooling stream of rotor
The cooling effect in road, rotor is poor.
Summary of the invention
The purpose of the present invention is to propose to a kind of compressor electric motor cooling structure, compressor and refrigeration systems, wherein compressor
Motor cooling is able to solve the problem of refrigerant is not easily accessible coolant flow channel.
To achieve the above object, the present invention provides a kind of compressor electric motor cooling structures comprising shell, motor and leads
To structure, the motor is disposed in the housing, and the motor is equipped with runner, and the guide frame is used to guide into refrigerant described
Runner.
One preferably or in alternative embodiment, the runner includes first runner, and the guide frame includes the first guiding
Structure, the first runner are set to the rotor of the motor, and first guide frame can guide refrigerant into described first-class
Road.
One preferably or in alternative embodiment, first guide frame is set to the rotor.
One preferably or in alternative embodiment, the runner includes second flow channel, and the second flow channel is set to the motor
Stator.
One preferably or in alternative embodiment, the guide frame is obliquely installed, and the first end of the guide frame is separate
The central axes of the motor, the second end of the guide frame is close to the central axes of the motor, and the first of the guide frame
Hold rotation direction inclination of the opposite second end to the rotor of the motor.
One preferably or in alternative embodiment, the tilt angle of the guide frame is 10 °~30 °.
One preferably or in alternative embodiment, the first end of the guide frame and the entrance outer rim of the runner are tangent,
The second end of the guide frame extends to the central axes direction of the motor.
One preferably or alternative embodiment in, the runner include it is a plurality of, each runner be correspondingly arranged one described in lead
To structure.
One preferably or in alternative embodiment, the central axes of the runner are with the axis parallel of the motor or with pre-
If angle.
One preferably or in alternative embodiment, the runner includes a plurality of, axis of each runner around the motor
Line setting.
One preferably or in alternative embodiment, the runner includes the through-hole or groove set on the motor.
To achieve the above object, the present invention provides a kind of compressors comprising above-mentioned compressor electric motor cooling structure.
One preferably or in alternative embodiment, the compressor is semi-hermetic screw compressor.
To achieve the above object, the present invention provides a kind of compressor refrigeration systems comprising above-mentioned compressor.
Based on the above-mentioned technical proposal, the present invention at least has the advantages that
The present invention guides refrigerant into runner by setting guide frame, can make refrigerant more effectively by motor inside,
In conjunction with the runner for being set to motor, it is capable of increasing the contact area of refrigerant and motor, improves the cooling effect to motor.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of compressor electric motor cooling structure provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of motor stator provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of rotor provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram that guide vane structure provided in an embodiment of the present invention is set to rotor；
Fig. 5 is the schematic front view of Fig. 4.
Numbering in the drawing:
1- shell；
2- motor；21- rotor；22- stator；
3- runner；31- first runner；32- second flow channel；
4- guide frame；
The channel 5-；51- first passage；52- second channel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
As shown in Figure 1, being the illustrative examples of compressor electric motor cooling structure provided by the invention, in the schematic reality
It applies in example, compressor electric motor cooling structure includes that shell 1, motor 2 and guide frame 4 (as shown in Figure 4, Figure 5), motor 2 are set to
In shell 1, motor 2 is equipped with runner 3, and guide frame 4 is used to guide refrigerant into runner 3.
Above-mentioned shell 1 can be the shell of compressor.
The embodiment of the present invention guides refrigerant into runner 3 by setting guide frame 4, refrigerant can be made more effectively by electricity
Inside machine, it is incorporated in the runner 3 of the setting of motor 2, is capable of increasing the contact area of refrigerant Yu motor 2, improves the cooling to motor 2
Effect.
Runner 3 in the embodiment of the present invention may include first runner 31, and guide frame 4 may include the first guiding knot
Structure, first runner 31 are set to the rotor 21 (as shown in Figure 3) of motor 2, and the first guide frame can guide refrigerant into first runner
31 (as shown in Figure 4).Optionally, first runner 31 runs through to be set to and turn along the refrigerant suction side of compressor to refrigerant discharge extreme direction
The inside of son 21, first runner 31 run through the both ends of rotor 21, and refrigerant can enter first-class in the refrigerant suction side of compressor
Road 31 flows to the refrigerant outlet side of compressor by first runner 31.
Allow the first runner 31 that passes through of refrigerant by being arranged inside the rotor 21 of motor 2, can increase rotor 21 with
The contact area of refrigerant solves the even technical problem of 2 inhomogeneous cooling of motor, improves the reliability of motor 2；And pass through setting the
One guide frame guides refrigerant into first runner 31, is able to solve in 21 rotation process of rotor, refrigerant is not easily accessible first runner
31 the technical issues of, improves the flow that refrigerant enters first runner 31, and then improves the cooling effect of rotor 21.
Also, frequency motor electric efficiency under low-power is poor, calorific value is big due to determining, and variable-frequency motor rotor is in high-temperature condition
Easy demagnetization down, the embodiment of the present invention, which can be solved effectively, determines the frequency motor bad problem of cooling effect at low load, and can
To solve the technical problem that variable-frequency motor rotor is easy demagnetization at high temperature.
As shown in Figure 4, Figure 5, in above-described embodiment, the first guide frame can be set to the rotor 21 of motor 2.Optionally,
First guide frame is set to the end face of rotor 21, that is, is located at the refrigerant suction side of compressor.During rotation due to rotor 21,
It is unfavorable for refrigerant and enters first runner 31, the embodiment of the present invention can be convenient for introduces for refrigerant by the first guide frame of setting
One runner 31 improves the cooling effect of rotor 21.
Optionally, the first guide frame can also be set to the stator 22 of motor.
Runner 3 in the embodiment of the present invention also may include second flow channel 32, and second flow channel 32 can be set to determining for motor 2
Sub 22 (as shown in Figure 2).Optionally, second flow channel 32 runs through to refrigerant discharge extreme direction along the refrigerant suction side of compressor and is set to
The inside of stator 22, second flow channel 32 run through the both ends of stator 22, and refrigerant can enter second in the refrigerant suction side of compressor
Runner 32 flows to the refrigerant outlet side of compressor by second flow channel 32.
Allow the second flow channel 32 that passes through of refrigerant by being arranged inside the stator 22 of motor 2, can increase stator 22 with
The contact area of refrigerant solves the even technical problem of 2 inhomogeneous cooling of motor, improves the reliability of motor 2.
In above-described embodiment, guide frame 4 also may include the second guide frame, and the second guide frame can draw refrigerant
To second flow channel 32.
One preferably or in alternative embodiment, the second guide frame can be set to the rotor 21 of motor 2.
Another preferably or in alternative embodiment, the second guide frame can be set to the stator 22 of motor 2.
The embodiment of the present invention inside 22 inside of stator of motor 2 and the rotor 21 of motor 2 by increasing for cooling
Runner 3 can increase the rotor 21 of the stator 22 of motor 2 and the contact area of refrigerant and motor 2 and the contact area of refrigerant,
Especially runner can integrally run through the both ends of stator 22 and rotor 21, increase heat exchange area, make the stator 22 and rotor of motor 2
21 cooling effect is more preferable.
In above-mentioned each embodiment, as shown in Figure 4, Figure 5, guide frame 4 can be obliquely installed, and the first of guide frame 4
The central axes far from motor 2 are held, for the second end of guide frame 4 close to the central axes of motor 2, the first end of guide frame 4 is opposite
Second end is tilted to the rotation direction of the rotor 21 of motor 2.
Optionally, the tilt angle of guide frame 4 can be 10 °~30 °.
In the embodiment of the present invention, the inclined direction of guide frame 4 and the rotation direction of rotor 21 of motor 2 are consistent, in this way
The purpose done is more effectively refrigerant to be directed in the first runner 31 being arranged in rotor 21.
Above structure is particularly suitable for inverter screw compressor, and when 2 revolving speed of motor is high, the calorific value of motor 2 will increase
Greatly, the revolving speed of guide frame 4 just will increase, and being led through the gas flow come just will increase；When 2 revolving speed of motor is low, motor 2
Calorific value will reduce, and the revolving speed of guide frame 4 will reduce, and being led through the gas flow come will reduce；Therefore, Neng Gougen
It automatically adjusts according to 2 revolving speed of motor, is finally reached the reliable cooling of motor 2.
According to the rotation direction of motor 2, the first end of guide frame 4 and the entrance outer rim of runner 3 are tangent, guide frame 4
Second end to the central axes direction of motor 2 extend.The first end of guide frame 4 is close to the entrance of runner 3, i.e. guide frame 4
Front retaining surface root close to the entrance of runner 3, refrigerant can be faster directed to the inlet of runner 3.
Compressor electric motor cooling structure provided in an embodiment of the present invention, runner 3 may include it is a plurality of, each runner 3 can be with
It is correspondingly arranged a guide frame 4.
It include in a plurality of embodiment in runner 3, each runner 3 can be arranged around the central axes of motor 2.Optionally, respectively
Runner 3 can be uniformly arranged around the central axes of motor 2, the radian between the entrance of adjacent two runners 3 10 °~30 ° it
Between, it is therefore an objective to guarantee there is enough coolings runner 3 inside the rotor 21 and stator 22 of motor 2.
The central axes of compressor electric motor cooling structure provided in an embodiment of the present invention, the central axes of runner 3 and motor 2 can be with
In parallel, alternatively, the central axes of runner 3 and the central axes of motor 2 also can have default angle.
Runner 3 in above-mentioned each embodiment can be for set on the through-hole of motor 2, the diameter of through-hole existsBetween, the size of through-hole can influence to flow through the cold medium flux of through-hole, directly affect the cold of motor 2
But effect.
The through-hole being arranged inside the stator 22 of motor 2 is located among dynamo sheet, is arranged inside the rotor 21 of motor 2
Through-hole is located among rotor silicon steel sheet, to guarantee that the internal heat of motor 2 can effectively exchange heat with via hole refrigerant.
Runner 3 in above-mentioned each embodiment or the groove set on motor 2.
In order to improve the cooling effect of motor 2, the embodiment of the present invention also between the stator 22 of motor 2 and shell 1, and
The channel 5 for allowing refrigerant to pass through is formed between the stator 22 of motor 2 and the rotor 21 of motor 2.
Specifically, as shown in Figure 1, the first passage that setting allows refrigerant to pass through between the stator 22 and shell 1 of motor 2
51；The second channel 52 for allowing refrigerant to pass through is formed between the stator 22 of motor 2 and the rotor 21 of motor 2.
The embodiment of the invention also provides a kind of compressors comprising the compressor electric motor in any of the above-described embodiment is cooling
Structure.
Compressor in above-described embodiment can be semi-hermetic screw compressor.
The embodiment of the invention also provides a kind of refrigeration systems comprising above-mentioned compressor.
In the description of the present invention, it is to be understood that, components are limited using the words such as " first ", " second ", only
It is merely for convenience of distinguishing above-mentioned parts, there is no Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore not
It can be interpreted as limiting the scope of the invention.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (12)
1. a kind of compressor electric motor cooling structure, it is characterised in that: described including shell (1), motor (2) and guide frame (4)
Motor (2) is set in the shell (1), and the motor (2) is equipped with runner (3), and the guide frame (4) is for guiding refrigerant into
The runner (3)；
The runner (3) includes first runner (31), and the guide frame (4) includes the first guide frame, the first runner
(31) it is set to the rotor (21) of the motor (2), refrigerant can be guided into the first runner (31) by first guide frame；
First guide frame is set to the end face of the rotor (21), positioned at the refrigerant suction side of compressor.
2. compressor electric motor cooling structure as described in claim 1, it is characterised in that: the runner (3) includes second flow channel
(32), the second flow channel (32) is set to the stator (22) of the motor (2).
3. compressor electric motor cooling structure as described in claim 1, it is characterised in that: the guide frame (4) is obliquely installed,
Central axes of the first end far from the motor (2) of the guide frame (4), the second end of the guide frame (4) is close to institute
State the central axes of motor (2), the rotor (21) of the first end opposite second end of the guide frame (4) to the motor (2)
Rotation direction inclination.
4. compressor electric motor cooling structure as claimed in claim 3, it is characterised in that: the inclination angle of the guide frame (4)
Degree is 10 °~30 °.
5. compressor electric motor cooling structure as described in claim 1, it is characterised in that: the first end of the guide frame (4)
Tangent with the entrance outer rim of the runner (3), the second end of the guide frame (4) is to the central axes direction of the motor (2)
Extend.
6. compressor electric motor cooling structure as described in claim 1, it is characterised in that: the runner (3) include it is a plurality of, it is each
The runner (3) is correspondingly arranged a guide frame (4).
7. compressor electric motor cooling structure as described in claim 1, it is characterised in that: the central axes of the runner (3) and institute
It states the axis parallel of motor (2) or there is default angle.
8. compressor electric motor cooling structure as described in claim 1, it is characterised in that: the runner (3) includes a plurality of, each institute
Runner (3) are stated to be arranged around the central axes of the motor (2).
9. compressor electric motor cooling structure as described in claim 1, it is characterised in that: the runner (3) includes set on described
The through-hole or groove of motor (2).
10. a kind of compressor, it is characterised in that: including the cooling knot of compressor electric motor as described in any one of claims 1 to 9
Structure.
11. compressor as claimed in claim 10, it is characterised in that: the compressor is semi-hermetic screw compressor.
12. a kind of refrigeration system, it is characterised in that: including compressor as described in claim 10 or 11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711111838.8A CN107676266B (en) | 2017-11-13 | 2017-11-13 | Compressor motor cooling structure, compressor and refrigerating system |
| PCT/CN2017/119457 WO2019090940A1 (en) | 2017-11-13 | 2017-12-28 | Compressor electric motor cooling structure, compressor and refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711111838.8A CN107676266B (en) | 2017-11-13 | 2017-11-13 | Compressor motor cooling structure, compressor and refrigerating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107676266A CN107676266A (en) | 2018-02-09 |
| CN107676266B true CN107676266B (en) | 2019-07-19 |
Family
ID=61145887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711111838.8A Active CN107676266B (en) | 2017-11-13 | 2017-11-13 | Compressor motor cooling structure, compressor and refrigerating system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107676266B (en) |
| WO (1) | WO2019090940A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201065836Y (en) * | 2007-06-29 | 2008-05-28 | 上海汉钟精机股份有限公司 | Half-closed screw type refrigerating compressor diversion dome |
| CN101576083A (en) * | 2008-05-08 | 2009-11-11 | 童夏民 | Cooling cylinder compression cycle of rotor-type compressor |
| CN101675249A (en) * | 2007-05-09 | 2010-03-17 | 西门子公司 | Compressor system for underwater use in the offshore area |
| CN202326258U (en) * | 2011-11-18 | 2012-07-11 | 烟台哈特福德压缩机有限公司 | Motor exhaust and cooling device for vertical screw compressor |
| CN207393479U (en) * | 2017-11-13 | 2018-05-22 | 珠海格力电器股份有限公司 | Compressor motor cooling structure, compressor and refrigerating system |
-
2017
- 2017-11-13 CN CN201711111838.8A patent/CN107676266B/en active Active
- 2017-12-28 WO PCT/CN2017/119457 patent/WO2019090940A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101675249A (en) * | 2007-05-09 | 2010-03-17 | 西门子公司 | Compressor system for underwater use in the offshore area |
| CN201065836Y (en) * | 2007-06-29 | 2008-05-28 | 上海汉钟精机股份有限公司 | Half-closed screw type refrigerating compressor diversion dome |
| CN101576083A (en) * | 2008-05-08 | 2009-11-11 | 童夏民 | Cooling cylinder compression cycle of rotor-type compressor |
| CN202326258U (en) * | 2011-11-18 | 2012-07-11 | 烟台哈特福德压缩机有限公司 | Motor exhaust and cooling device for vertical screw compressor |
| CN207393479U (en) * | 2017-11-13 | 2018-05-22 | 珠海格力电器股份有限公司 | Compressor motor cooling structure, compressor and refrigerating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107676266A (en) | 2018-02-09 |
| WO2019090940A1 (en) | 2019-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103562553B (en) | Compressor windage mitigates | |
| WO2019075921A1 (en) | Compressor and air conditioner having same | |
| EP2224136A2 (en) | Air-cooled scroll compressor | |
| CN106194801A (en) | A kind of air-cooled aerator of fan-free reverse-flow type | |
| CN207568949U (en) | Subtract whirlpool device air entraining device and aero-engine | |
| CN207647779U (en) | Compressor and air conditioning system with same | |
| CN110207426B (en) | Mixed cooling structure for refrigeration compressor | |
| CN101877513B (en) | Bearing cooling method and structure | |
| CN103306983B (en) | compressor drainage plate and rotary compressor | |
| CN207393479U (en) | Compressor motor cooling structure, compressor and refrigerating system | |
| CN207687058U (en) | Compressor and air conditioner with same | |
| CN107676266B (en) | Compressor motor cooling structure, compressor and refrigerating system | |
| CN104079108A (en) | Motor used for compressor of turbo-refrigerator | |
| CN211266681U (en) | Forced cooling type solid rotor motor | |
| CN108252911A (en) | Compressor and air conditioner | |
| CN102032179A (en) | Vertical totally-enclosed double-stage vortex type refrigeration compressor | |
| CN209654193U (en) | A kind of compressor lubricant oil cooling apparatus | |
| CN209344946U (en) | Motor and compressor | |
| CN113162329A (en) | Cooling system and cooling method for motor of refrigeration centrifugal compressor | |
| CN107542675A (en) | A kind of axle wanders about as a refugee heart tandem from cooling down refrigeration compressor | |
| CN107742935A (en) | Magnetic suspension high speed motor with novel air-cooled structure | |
| CN208010594U (en) | Compressor and air conditioner | |
| CN210625012U (en) | Mixed cooling structure for refrigeration compressor | |
| CN213360422U (en) | High-efficiency energy-saving type two-stage screw air compressor system | |
| CN107040090A (en) | Impeller assembly, integrated motor and household electrical appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Hua Inventor after: Li Rihua Inventor after: Zhang Tianyi Inventor after: Zhang Helong Inventor after: Xu Yungong Inventor after: Zhang Baoge Inventor after: Bi Yushi Inventor before: Li Rihua Inventor before: Zhang Tianyi Inventor before: Zhang Helong Inventor before: Xu Yungong Inventor before: Zhang Baoge Inventor before: Bi Yushi |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |