CN103410734B - Rotary compressor - Google Patents
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- CN103410734B CN103410734B CN201310335721.3A CN201310335721A CN103410734B CN 103410734 B CN103410734 B CN 103410734B CN 201310335721 A CN201310335721 A CN 201310335721A CN 103410734 B CN103410734 B CN 103410734B
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Abstract
The invention discloses a kind of rotary compressor, inside the seal casinghousing of rotary compressor, built-in electrodynamic machine portion and revolving compression mechanical part, include in compression mechanical part:The base bearing and supplementary bearing, the exhaust apparatus configured on the flange of either one of base bearing or supplementary bearing of the cylinder with compression chamber, the piston on compression chamber and slide plate, the bent axle of core shift operating piston, slide support bent axle and the flange in outfit seal compression chamber.Exhaust apparatus includes:The gas passage chamber of perforate on periphery of the cylindrical with the cylindrical.In steam vent of the bottom of cylindrical to perforate on compression chamber.The air bleeding valve of switch steam vent.The locating snap ring of the switching range of control air bleeding valve.Rotary compressor according to embodiments of the present invention, can play reduces the effect of overcompression loss, and the operational efficiency of the rotary compressor, reliability and production efficiency are improved.
Description
Technical field
The present invention relates to a kind of rotary compressor.
Background technology
Although the system for carrying rotary compressor is constantly popularized in the whole world, in order to lift its efficiency, compressor changes
Kind and lifting reliability is most important.But, conventional rotary compressor is for many years all using tongue type air bleeding valve.
Equipped with the bearing of the conventional rotary compressor of tongue type air bleeding valve, due to the area of valve accommodating groove it is larger, its bottom surface
Also it is thin, so bearing rigidity is reduced.Therefore, because the loss in efficiency that brings of increase and bearing deformation of compression chamber deformation, so as to
Reliability is caused to reduce.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.For this purpose, one object of the present invention
It is to propose a kind of rotary compressor for reducing compression losses, improving reliability and production efficiency.
The rotary compressor of embodiment, built-in inside the seal casinghousing of the rotary compressor according to a first aspect of the present invention
Electrodynamic machine portion and revolving compression mechanical part, include in the compression mechanical part:Cylinder with compression chamber, described
Piston and slide plate, the bent axle of piston, slide the support bent axle and the outfit sealing pressure described in eccentric operating on compression chamber
The base bearing and supplementary bearing of the flange in contracting chamber, the exhaust configured on the flange of either one of the base bearing or the supplementary bearing
Device;The exhaust apparatus includes:The gas passage chamber of perforate on periphery of the cylindrical with the cylindrical;In the cylindrical
Steam vent of the bottom to perforate on the compression chamber;Switch the air bleeding valve of the steam vent;Control the switch of the air bleeding valve
The locating snap ring of scope.
Rotary compressor according to embodiments of the present invention, can play reduces the effect of overcompression loss, and the rotary compression
The operational efficiency of machine, reliability and production efficiency are improved.
The rotary compressor of embodiment, built-in inside the seal casinghousing of the rotary compressor according to a second aspect of the present invention
Electrodynamic machine portion and duplex-cylinder rotary compressor structure portion, the compression mechanical part includes:It is respectively:There are 2 gas of compression chamber
There are piston and slide plate, bias respectively on cylinder, the median septum between two cylinder equipped with muffler, described each compression chamber
Operate the piston bent axle, slide support the bent axle and be equipped with the sealing compression chamber flange base bearing and countershaft
The exhaust apparatus that hold, configures on either one flange of the base bearing or the supplementary bearing, it is provided in disappearing for septum plate
Exhaust apparatus on sound chamber;The exhaust apparatus includes:The gas passage chamber of perforate on periphery of the cylindrical with the cylindrical;
In steam vent of the bottom of the cylindrical to perforate on the compression chamber;Switch the air bleeding valve of the steam vent;Control is described
The locating snap ring of the switching range of air bleeding valve.
Rotary compressor according to embodiments of the present invention, can play reduces the effect of overcompression loss, and the rotary compression
The operational efficiency of machine, reliability and production efficiency are improved.
Further, valve spring is provided between the air bleeding valve and the locating snap ring, to control the responsiveness of air bleeding valve
And switching range.
In some embodiments of the invention, the gas passage chamber is several.
Preferably, circumferential uniform intervals distribution of the several gas passage chambers around the cylindrical.
In some embodiments of the invention, the gas passage chamber is columnar.
Further, the bottom in the gas passage chamber is formed as cross-sectional area and is gradually reduced on direction from top to bottom
It is coniform.
Specifically, the locating snap ring is formed as " C " shape shape.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
It is substantially and easy to understand, wherein:
Fig. 1 represents the inside longitudinal section of rotary compressor with regard to embodiments of the invention 1;
Fig. 2 is with regard to embodiments of the invention 1, the exhaust apparatus plan being provided on base bearing;
Fig. 3 constitutes the vertical figure of component figure and group of exhaust apparatus with regard to embodiments of the invention 1;
Fig. 4 represents conventional exhaust apparatus plan with regard to embodiments of the invention 1;
Fig. 5 constitutes the vertical figure of component figure and group of exhaust apparatus with regard to embodiments of the invention 2;
Fig. 6 is with regard to embodiments of the invention 3, the fluid cavity plan being provided on base bearing;
Fig. 7 with regard to embodiments of the invention 3, the plan of the fluid cavity being provided on base bearing;
Fig. 8 with regard to embodiments of the invention 3, the plan of the fluid cavity being provided on base bearing;
Fig. 9 represents the inside longitudinal section of duplex-cylinder rotary compressor with regard to embodiments of the invention 4;
Figure 10 is with regard to embodiments of the invention 4, the plan of median septum;
Figure 11 is with regard to embodiments of the invention 4, the exhaust apparatus sectional view being provided in median septum group vertical 30.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Show that the device or element of indication there must be specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative
Importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected;Can
Being to be mechanically connected, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Additionally, in describing the invention, unless otherwise stated, " multiple " are meant that two or more.
A kind of rotary compressor according to embodiments of the present invention is described below with reference to Fig. 1-Figure 11, the rotary compressor can be answered
In the electrical equipment such as air conditioner, refrigerating plant and water heater.
Embodiment 1:
Shown in Fig. 1 is the form of embodiments of the invention 1.Rotary compressor 1 is by 2 internal diameter of seal casinghousing
Compression mechanical part 4, and be disposed on the motor section 3 in portion and constitute.Compression mechanical part 4 is equipped with lower component:Cylinder 40,
The piston 45 of eccentric operating on the compression chamber 41 formed on cylinder, and the slide plate that slides of its piston synchronous(Figure is omitted), drive
The bent axle 60 of piston 45, slip support the base bearing 50 and supplementary bearing 55 of the bent axle.
Base bearing 50 is made up of with base bearing flange 50b long bearing 50a, and supplementary bearing 55 is to hold 55a and countershaft by short axle
Flange 55b compositions are held, base bearing flange 50b and supplementary bearing flange 55b is integrally fixed on cylinder 40, while forming close with cylinder 40
The compression chamber 41 of envelope.The exhaust apparatus H of the present invention is equipped with base bearing flange 50b, muffler 51 is installed.The component is
The group that compression mechanical part 4 is completed by screw is stood.Compression mechanical part 4 and motor section 3 are fixed on the internal diameter of seal casinghousing 2
On, hereafter, weld upper shell(Figure is omitted), complete rotary compressor 1 group stand.
As common rotary compressor, the gases at high pressure compressed in compression chamber 41 are from the groove of the notch 43 through steam vent
13, then muffler 51 is expelled to from exhaust apparatus H.Hereafter, from blast pipe(Figure is omitted)It is expelled to freezing cycle device.Cause
This, the internal pressure of the seal casinghousing 2 of embodiment 1 is high-pressure side.
Shown in Fig. 2 is the plan that vertical exhaust apparatus H is organized on the base bearing flange 50b of base bearing 50.Exhaust dress
It is to include to put H:(1)By cylindrical 11, and the fluid cavity 15 that constitutes of 3 cylinder channel chambers 12 opening in its side,(2)It is equipped with
In the air bleeding valve 20 and locating snap ring 22 of cylindrical 11.Each gas passage chamber 12 is all columnar, is matched somebody with somebody by 120 degree of interval
Put.
Fluid cavity 15 is the chamber processed on base bearing flange 50b, in the bottom of cylindrical 11, equipped with compression chamber 41
On the steam vent opened and valve seat 14(With reference to Fig. 3).In addition, being configured with C-shaped locating snap ring 22 above air bleeding valve 20.As ginseng
Examine, shown in Fig. 2 is slide plate as shown in FIG.(46th, dotted line)Position and exhaust apparatus H between position relationship.In addition, in R
Shown arrow is the rotation direction of bent axle 60.
Shown in Fig. 3 is the detailed of exhaust apparatus H.Figure A is the flat of the fluid cavity 15 processed on base bearing flange 50b
Face figure.Shown in figure B be circular air bleeding valve 20, and form the locating snap ring 22 of the retainer, scheme the Y-Y that C is fluid cavity 15
Sectional view.That schemes the exhaust apparatus H that D1 is that group has found air bleeding valve 20 and locating snap ring 22 on fluid cavity 15 completes figure.Shown in figure D2
The moment inactive state that to be air bleeding valve 20 kept by locating snap ring 22.Figure E is bottom design Cheng Yuan gas passage chamber 12
The application case of taper.
Figure A and figure C, is equipped with steam vent 13, and the valve seat of annular shape is equipped with the periphery in the bottom of cylindrical 11
14.Therefore, formed on a little gap between the internal diameter of the outside of valve seat 14 and cylindrical 11, the bottom thickness of cylindrical 11
Become most thin, define thinner wall section 19.In addition, embodiment 1 is due to being that 3 gas passage chambers have been opened in the inner circumferential of cylindrical 11
21, the inner circumferential of cylindrical 11 is averaged(120 degree)It is divided into 3 rectangular opening 12a and removes the 3 of the opening portion
Individual inwall 16.Therefore, 3 opening 12a become the exhaust passage from cylindrical 11 to gas passage chamber 12.
In addition, the internal diameter of cylindrical 11 point more slightly bigger than the external diameter of air bleeding valve 20.Therefore, air bleeding valve 20 is due to 3
The action of 16 horizontal direction of inwall is restricted, can be with the round and smooth slip of above-below direction.Therefore, the opening in gas passage chamber 12
12a is played an important role to the two parts for constituting gas passage and inwall 16.
Air bleeding valve 20 is configured on the valve seat 14 shown in figure C, hereafter, the locating snap ring 22 of C-shape snap ring groove 17 is embedded in
If reform into figure D1, complete exhaust apparatus H.The locating snap ring 22 being embedded in 3 inwalls 16, had both defined the upper of air bleeding valve 20
The actuating range of lower motion(The stroke of valve), also function to the effect of the retainer as air bleeding valve 20.In the central authorities of locating snap ring 22
The macropore that portion opens, will generally maintain surface pressure on the air bleeding valve 20 for moving up and down at a high speed to be high pressure.Due to the effect with
The pressure differential between the compression chamber 41 of pressure oscillation is carried out between low pressure and high pressure, air bleeding valve 20 delicately can also be transported up and down
Turn.
Now, the gases at high pressure discharged from steam vent 13 shown in D2 are schemed, the downside of the air bleeding valve 20 from after floating is same
Etc. the opening 12a for branching to 3, the upper end opening portion stream from each gas passage chamber 12 is in muffler 51.It is high at which
Calm the anger in terms of the flowing of body, due to opening 12a it is sufficiently large with the gross area in gas passage chamber 12, so the resistance for discharging gas becomes
Obtain very little.Therefore, it can reduce the overcompression loss discharged caused by gas of compressor.
Figure E, by 12 bottom of gas passage chamber is changed to cone(Conus portion 18 is as shown), further reduce gas
The flow resistance of the discharge gas of channel lumens 12.That is, this is logical from the bottom of air bleeding valve 20 to gas due to expanding
The passage in road chamber 12, can further reduce the cases of design of overcompression loss.In addition, general in processing as fluid cavity 15
Points for attention, in processing gas channel lumens 12, need setting between the bottom of the upper end of valve seat 14 and gas channel lumens 12
A little gap, to avoid reaming the upper end of valve seat 14.
Under generally, base bearing 50 and supplementary bearing more than 55 are using the flake graphite cast iron with good abrasion performance and processability.
Using in the design of the cast iron, each hole of fluid cavity 15 be recommend by the instrument of milling cutter etc. mill out come.Under this state, cylinder
Shape hole 11 and gas channel lumens 12 if cylindrical shape, are easy for processing in this way.But, it is above-mentioned on the rotary compressor of low capacity
It is in material to adopt powder metallurgy more.Using the design of powder metallurgy, added as above-mentioned machinery can be omitted by die modeling
Work, it is cylindrical shape to avoid the need for fluid cavity 15, and the cross sectional shape and bottom shape in gas passage chamber 12 can select various
Shape.In addition, being configured with exhaust apparatus H in embodiment 1 on base bearing 50, but equally can also match somebody with somebody on supplementary bearing 55
Standby exhaust apparatus H.
Here, with regard to the shape of air bleeding valve, designed and patent document 1 in the past(Unexamined Patent 04-081582)With embodiment 1
If being compared, conventional air bleeding valve as shown in figure 4, due to be similar to rectangular Reed Valve, so discharge gas side
To the free end of mainly flap valve(First side).On the other hand, the air bleeding valve 20 of embodiment 1 is circular, and possesses 3
Gas passage chamber 12, so discharging gas is characterized in that fifty-fifty comprehensive shunting.Therefore, embodiment 1 has reduces overcompression
The effect of loss.
In addition, Reed Valve(25)As shown in figure 4, thinner wall section(19)Scope it is larger, also, have the thinner wall section(19)With pressure
Contracting chamber(41)Internal diameter overlap problem.As a result, due to thinner wall section(19), bearing rigidity can be not only reduced, due to thinner wall section
(19)The pressure reduction for acting on up and down, thinner wall section(19)Can be in compression chamber(41)Middle deformation, so must increase and piston between
Glade plane space.That is, in designing in the past, as the inside and outside differential pressure of piston causes gas leakage to increase, so as to there is compression
The problem that the loss in efficiency of machine increases.
Embodiment 2:
During compression chamber 41 is for the rotary compressor of huge discharge, increase due to discharging gas flow, it is generally the case that need to expand
The path increment of steam vent 13 and valve.But, with the increase for discharging gas flow, the swing during air bleeding valve 20 operates can also increase.
Embodiment 2 shown in Fig. 5, its countermeasure are that valve spring 21 is added between air bleeding valve 20 and locating snap ring 22.
Fig. 5, it is locating snap ring 22, valve spring 21 and air bleeding valve 20 to scheme shown in B.Shown in figure C is the position of snap ring groove 17
It is the vertical figure of the group of above-mentioned component and fluid cavity 15 to put shown in higher fluid cavity 15, figure D1.In addition, it is exhaust to scheme shown in D2
Valve 20 float after state, by air bleeding valve 20 in the compacted valve spring 21 in the lower surface of locating snap ring 22.Valve spring 21 is adapted to
With coil spring, it is also possible to using leaf spring etc..In addition, described in embodiment 1 like that, even if in the shorter occasion of stroke of valve amount, such as
If fruit adds valve spring 21, the more stable effect of the operating of air bleeding valve 20 can be reached.
Embodiment 3:
Rotary compressor is determined the position of steam vent 13 by the internal diameter thus according to compression chamber 41, so cylindrical 11
Allocation position is restricted.Also, the external diameter of the external diameter due to long bearing 50a and base bearing flange 50b, the position for also having screw hole 53
Put, so the limited size system of the number in gas passage chamber 12 and internal diameter.Shown embodiment 3 be represent can apply to it is above-mentioned
Restricted designed when design example.
Fig. 6 is that have 4 gas passage rooms 12, but milling machine processing, cutting length are carried out to 2 gas passage rooms therein 12
The lower portion of bearing 50a(With reference to Fig. 1)If, it is possible to it is arranged to 4 gas passage chambers 12.Lead to the gas of embodiment 3
Road chamber 12 is compared, the discharge gas in above-mentioned design be diverted to 4 it is local, in addition, inwall 16 is due to becoming 4, institute
With the effect that the meeting of operating up and down for obtaining air bleeding valve 20 is more stable.In addition, the cutting output of long bearing 50a is due to being to limit,
So the rigidity of long bearing 50a will not produce deleterious effect.On the other hand, it is that 2 relative gases of design lead to shown in Fig. 7
The design example in road chamber 12.
In addition, Fig. 8 is the design in only one of which gas passage chamber 12.In the design, it is unidirectional stream due to discharging gas
It is dynamic, so the operating up and down of air bleeding valve 20 has unstable shortcoming.But, can be using smaller in discharge capacity or stroke of valve amount
Type on.In addition, as described in Example 2, additional valve spring 21 can be adopted to make the stable side of the operating of air bleeding valve 20
Method.
Embodiment 4:
Design shown in Fig. 9, is the median septum row of the built-in present invention on the median septum component 30 of duplex-cylinder rotary compressor 1
The embodiment of device of air 35.Median septum component 30 is by median septum(A)30a and median septum(B)30b is constituted, and is matched somebody with somebody in the silencing cavity 3
Standby median septum exhaust apparatus 35.Hereafter, the median septum of above-mentioned 2 is welded, median septum group 30 is completed.
Up and down 2 steam vents 13 and air bleeding valve 20 of the median septum exhaust apparatus 35 with the perforate on compression chamber 41.It is another
Aspect, base bearing 50 and supplementary bearing 55 possess the steam vent of the perforate on the compression chamber 41 of upper cylinder 40a and lower cylinder 40b respectively
13, so duplex cylinder compressor 1 has 4 exhaust apparatus.
Upper cylinder 40a and lower cylinder 40b respectively since the gas that compression chamber 41 is discharged, by median septum exhaust apparatus 35, from
The stream of silencing cavity 31 is expelled to the row of base bearing 50 to muffler venthole 33, the intercommunicating pore 44a through being provided in upper cylinder 40a
Go out muffler 51.Here, collaborating with the discharge gas of upper cylinder 40a.On the other hand, the discharge gas of lower cylinder 40b, due to logical
Muffler 51 is flow to after crossing intercommunicating pore 44b, so all of discharge gas, be drained into after muffler 51 again it is close
Capsule body 2.
Shown in Figure 10 is in median septum(B)The fluid cavity 15 processed in the silencing cavity 31 of 30b.This is in detail and embodiment
As 2, snap ring groove 17 is eliminated.Shown in the median septum exhaust apparatus 35 of the figure F of Figure 11 is by the compression in respective cylinder
The steam vent 13 opened on chamber 41, and switch 2 air bleeding valves 20 of the steam vent 13, configure between the air bleeding valve 20 1
The median septum group vertical 30 that valve spring 21 is constituted.2 air bleeding valves 20 in the design each independently can move up and down.In addition, valve
Spring 21 plays the effect for making the operating of 2 air bleeding valves 20 stable.
Median septum exhaust apparatus 35 shown in figure G is by steam vent only to opening inside the compression chamber 41 of upper cylinder 40a
31 and 1 air bleeding valves 20, valve springs 21 are constituted.In the design, for example:Can apply for the discharge capacity of relative upper cylinder 40a,
The inside such as volume controlled rotary compressor that the discharge capacity of lower cylinder 40b is reduced.Exhaust is equipped with median septum as described above to fill
The design put such as patent document 2(JP 1998-213087)It is shown.
In embodiment 1 to embodiment 4, announcement be with regard to seal casinghousing 2 pressure be on high-tension side rotary compressor
Technology, during the pressure of seal casinghousing is for the rotary compressor of low-pressure side, can also be borrowed in above-mentioned announcement technology.Such case
Under, as conventional low pressure rotary compressor, the silencing cavity of built-in vent device needs sealing to prevent in low pressure side body
Gas leakage.In addition, it is suitable for swing rotary compressor.
Can be used on air-conditioning, refrigerator, water heater etc. using the rotary compressor of the present invention, in addition, the present invention also may be used
It is applied on casing of low back pressure formula rotary compressor.Also, the exhaust apparatus of the present invention is due to relatively simple to manufacture, so industry
Value is very big.Rotary compressor according to embodiments of the present invention, can improve efficiency, reliability and the production of rotary compressor
Efficiency.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
" example ", " specific example ", or " some examples " etc. description mean to describe with reference to the embodiment or example specific features,
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Feature can be combined in one or more any embodiment or example in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not
These embodiments can be carried out with various changes, modification, replacement and modification in the case of the principle and objective that depart from the present invention, this
The scope of invention is limited by claim and its equivalent.
Claims (7)
1. a kind of rotary compressor, it is characterised in that built-in electrodynamic machine inside the seal casinghousing of the rotary compressor
Portion and duplex-cylinder rotary compressor structure portion, the compression mechanical part include:
It is respectively:There are 2 cylinders of compression chamber, the median septum between two cylinder equipped with muffler, described each pressure
There are piston and the bent axle of piston, slip described in slide plate, eccentric operating to support the bent axle and be equipped with described in sealing on contracting chamber respectively
The base bearing and supplementary bearing of the flange of compression chamber, the exhaust configured on either one flange of the base bearing or the supplementary bearing
Device, the exhaust apparatus being provided in the silencing cavity of septum plate, the base bearing are provided with muffler, are provided with described
Hole is communicated with the cylinder of base bearing, the refrigerant in the silencing cavity of septum plate is entered and is only drained into by the intercommunicating pore
In the muffler, the silencing cavity is formed as loop-like;
The exhaust apparatus includes:
Cylindrical and on the periphery of the cylindrical perforate gas passage chamber;
In steam vent of the bottom of the cylindrical to perforate on the compression chamber;
Switch the air bleeding valve of the steam vent;
Control the locating snap ring of the switching range of the air bleeding valve.
2. rotary compressor according to claim 1, it is characterised in that be provided between the air bleeding valve and the locating snap ring
Valve spring, to control the responsiveness and switching range of air bleeding valve.
3. rotary compressor according to claim 1, it is characterised in that the gas passage chamber is several.
4. rotary compressor according to claim 3, it is characterised in that several gas passage chambers are around the cylindrical
The distribution of circumferential uniform intervals.
5. rotary compressor according to claim 1, it is characterised in that the gas passage chamber is columnar.
6. rotary compressor according to claim 1, it is characterised in that the bottom in the gas passage chamber is formed as transversal
It is coniform that area is gradually reduced on direction from top to bottom.
7. rotary compressor according to claim 1, it is characterised in that the locating snap ring is formed as " C " shape shape.
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CN201310335721.3A CN103410734B (en) | 2013-08-02 | 2013-08-02 | Rotary compressor |
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CN201310335721.3A CN103410734B (en) | 2013-08-02 | 2013-08-02 | Rotary compressor |
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CN103410734B true CN103410734B (en) | 2017-03-29 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104121198B (en) * | 2014-07-04 | 2016-11-09 | 广东美芝制冷设备有限公司 | Rotary compressor and there is its freezing cycle device |
CN104110383B (en) * | 2014-07-04 | 2017-02-15 | 广东美芝制冷设备有限公司 | Rotary compressor |
CN104279163A (en) * | 2014-07-04 | 2015-01-14 | 广东美芝制冷设备有限公司 | Rotary compressor |
CN104110363B (en) * | 2014-07-04 | 2017-02-01 | 广东美芝制冷设备有限公司 | Compressor and refrigeration cycling device provided with same |
CN104196729B (en) * | 2014-09-05 | 2017-10-03 | 广东美芝制冷设备有限公司 | Electrodynamic type compressor and the refrigerating circulatory device with it |
CN107476979A (en) * | 2017-08-10 | 2017-12-15 | 珠海格力节能环保制冷技术研究中心有限公司 | The assembly method of compressor, air conditioner and compressor |
JP7190254B2 (en) * | 2017-11-17 | 2022-12-15 | 瀋陽中航機電三洋制冷設備有限公司 | rotary compressor |
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CN102235360A (en) * | 2010-05-07 | 2011-11-09 | 广东美芝制冷设备有限公司 | Double-cylinder rotary compressor |
CN102235357A (en) * | 2010-05-07 | 2011-11-09 | 广东美芝制冷设备有限公司 | Rotary compressor |
CN102748297A (en) * | 2011-04-21 | 2012-10-24 | 广东美芝制冷设备有限公司 | Compressor exhaust apparatus |
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JPH03217686A (en) * | 1990-01-23 | 1991-09-25 | Mitsubishi Heavy Ind Ltd | Rotary compressor |
KR0151642B1 (en) * | 1995-04-11 | 1998-11-02 | 구자홍 | A vane side device for ejecting of a rotary compressor |
US5823755A (en) * | 1996-12-09 | 1998-10-20 | Carrier Corporation | Rotary compressor with discharge chamber pressure relief groove |
CN203404084U (en) * | 2013-08-02 | 2014-01-22 | 广东美芝制冷设备有限公司 | Rotation compressor |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN102235360A (en) * | 2010-05-07 | 2011-11-09 | 广东美芝制冷设备有限公司 | Double-cylinder rotary compressor |
CN102235357A (en) * | 2010-05-07 | 2011-11-09 | 广东美芝制冷设备有限公司 | Rotary compressor |
CN102748297A (en) * | 2011-04-21 | 2012-10-24 | 广东美芝制冷设备有限公司 | Compressor exhaust apparatus |
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