CN206592288U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
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- CN206592288U CN206592288U CN201720300779.8U CN201720300779U CN206592288U CN 206592288 U CN206592288 U CN 206592288U CN 201720300779 U CN201720300779 U CN 201720300779U CN 206592288 U CN206592288 U CN 206592288U
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- slide plate
- rotary compressor
- steam vent
- high pressure
- compressor according
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Abstract
The utility model discloses a kind of rotary compressor, rotary compressor includes：The piston revolved round the sun in the cylindrical compression chamber being made up of cylinder, and the first vane slot of cylinder and the first slide plate of the second vane slot and the second slide plate are configured at, the first slide plate and the second slide plate pass through reciprocating motion of the pistons respectively；On the first slide plate, perforate is at least one steam vent of compression chamber；In the side of the first slide plate, the air bleeding valve of switch steam vent；By the gases at high pressure of steam vent, the high pressure chest being enclosed between the first slide plate, the second slide plate and piston outer periphery is discharged to.By additional second slide plate, the seemingly dimetric chamber, that is, high pressure chest surrounded in two slide plate front ends and the configuration of the periphery of piston.By the gases at high pressure of steam vent, it is discharged in high pressure chest, can so effectively reduces exhaust clearance volume.
Description
Technical field
The utility model is related to a kind of rotary compressor.
Background technology
The exhaust apparatus of rotary compressor, is made up of steam vent and air bleeding valve, typically seal compression chamber base bearing and
Steam vent is configured in any one of supplementary bearing.As a result, the position of steam vent is relative with slide plate side, and it is changed into right angle
Direction, steam vent departs from from slide plate side.Therefore, piston is moved to after suction stroke from instroke, exhaust clearance appearance occurs
Product.Exhaust clearance volume, in conventional design, about reaches the 1% of rotary compressor delivery space.
In the application examples of air-conditioning (refrigerant R410A), compression ratio (ratio of high pressure and low pressure) is about 3.4, above-mentioned exhaust
Refrigerating capacity in the reflation loss that clearance volume 1% is produced, which is lost, is：1.0%X3.4=3.4%.In answering for refrigeration plant
In, compression ratio becomes big, the further increase of refrigerating capacity loss.Reflation loss refers to, does not discharge and remains in compression chamber
Gases at high pressure (exhaust clearance volume), flow out to the low-pressure side (suction side) of compression chamber when piston revolves round the sun, carry out reflation,
So the phenomenon of essence suction gas flow reduction.
Utility model content
The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality
With a kind of rotary compressor of new proposition, the exhaust clearance volume of the rotary compressor is small.
According to rotary compressor of the present utility model, including：The work revolved round the sun in the cylindrical compression chamber being made up of cylinder
Plug, and the first vane slot of the cylinder and the first slide plate of the second vane slot and the second slide plate are configured at, described first slides
Piece and second slide plate pass through the reciprocating motion of the pistons respectively；On first slide plate, perforate is in the compression chamber
At least one steam vent；In the side of first slide plate, the air bleeding valve of the switch steam vent；Pass through the height of the steam vent
Calm the anger body, be discharged to the high pressure chest being enclosed between first slide plate, second slide plate and the piston outer periphery.
According to rotary compressor of the present utility model, by additional second slide plate, in the outer of two slide plate front ends and piston
Seemingly dimetric chamber, namely high pressure chest that week configuration is surrounded.By the gases at high pressure of steam vent, it is discharged in high pressure chest, this
Sample can effectively reduce exhaust clearance volume, can improve the performance of rotary compressor.
In some examples of the present utility model, on the side at the first vane slot perforate end, configuration expands described
The curved surface of exhaust valve opening.
In some examples of the present utility model, in the perforate end wall of first vane slot, configuration perforate is in the row
The groove of the notch of stomata.
In some examples of the present utility model, the high pressure chest between first slide plate and the second slide plate, with being configured at
Seal the muffler connection on the bearing of the compression chamber openend.
In some examples of the present utility model, configuration expands the otch of the high pressure chest volume.
In some examples of the present utility model, any one in first slide plate and second slide plate is to wave
Formula slide plate.
In some examples of the present utility model, possess and first slide plate and second slide plate are pressed on institute respectively
The spring of piston side is stated, the spring of first slide plate is bigger than the spring of second slide plate.
In some examples of the present utility model, first slide plate and second slide plate are located at the air-breathing of the cylinder
The same side in hole and relatively described first slide plate of second slide plate is close to the suction hole.
In some examples of the present utility model, the air bleeding valve is integrated on first slide plate, the rotary compression
Machine also includes：Standing valve, the standing valve is fixed on the anchor portion of the air bleeding valve.
In some examples of the present utility model, the steam vent is for two and in the short transverse of first slide plate
It is spaced apart, the air bleeding valve is two and corresponded respectively with two steam vents.
Brief description of the drawings
Fig. 1 is related to embodiment 1, rotary compressor longitudinal section；
Fig. 2 is related to embodiment 1, the plan of display Fig. 1 Section X-Xs；
Fig. 3 is related to embodiment 1, the constituent parts figure of the first slide plate；
Fig. 4 is related to embodiment 1, first slide plate is completed figure；
Fig. 5 is related to embodiment 1, cylinder vane slot detail drawing；
Fig. 6 is related to embodiment 1, the plan in display Fig. 1 Y-Y sections；
Fig. 7 is related to embodiment 2, first slide plate is completed figure；
Fig. 8 is related to embodiment 2, rotary compressor longitudinal section；
Fig. 9 is related to embodiment 3, cylinder axis sectional view.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
Embodiment 1：
Fig. 1 is the longitudinal section of rotary compressor 1.In the housing 2 of cylinder, electrodynamic machine 6 is fixed with and electric
The compression key element 5 that machine 6 drives.It is cylinder 10 that compression key element 5 includes being fixed in housing 2, solid down through screw in cylinder 10
Fixed base bearing 50 and supplementary bearing 55, base bearing 50 and supplementary bearing are oppositely arranged about 55.Wherein, it is configured at the center of cylinder 10
Compression chamber 15 can be sealed by base bearing 50 and supplementary bearing 55.Further, lubricating oil is enclosed in the bottom of housing 2, lubricating oil is used for
Lubricating movements pair, kinematic pair is the component mutually moved.
Motor 6 includes stator and rotor 6b, and the bent axle 40 driven by rotor 6b includes main shaft 41, countershaft 43 and eccentric shaft
44, main shaft 41 and countershaft 43 are slidably matched with base bearing 50 and supplementary bearing 55 respectively, and eccentric shaft 44 can revolve round the sun, and eccentric shaft
44 are used to drive the piston 35 being configured in compression chamber 15, and eccentric shaft 44 can revolve round the sun with piston 35.Wherein, compression chamber 15 is in
Cylinder.As shown in Fig. 2 compression key element 5 can also include the first slide plate 20 connected with the periphery of piston 35, pass through piston 35
Revolution, the first slide plate 20 moves back and forth in the first vane slot 12 of cylinder 10.
Fig. 2 is Fig. 1 X-X directions section, is the plan of the central cross section of cylinder 10.As shown in Fig. 2 the first slide plate 20
Front center side is configured with steam vent 25, and the perforate of steam vent 25 is in compression chamber 15, in other words, the steam vent 25 and compression chamber
15 be connected relation.Above-mentioned front end is the first slide plate 20 close to one end of compression chamber 15.With the reciprocating motion of the first slide plate 20,
Perforated area change of the steam vent 25 inside compression chamber 15.That is, circular steam vent 25, in the row of the first slide plate 20
Standard-sized sheet in scope big Cheng Changdu, is reduced in haul distance vanishing.
As shown in Fig. 2 rotary compressor 1 also includes the second slide plate 30, the second slide plate configures the second slide plate in cylinder 10
In groove, the first slide plate 20 and the second slide plate 30 are moved back and forth by piston 35.First slide plate 20 and the second slide plate 30 are adjacent to each other.
First slide plate 20, the face perforate of its side is in steam vent 25, and there is air bleeding valve 23 its inboard, and the air bleeding valve 23 is used to switch steam vent
25.Second slide plate 30 of side, structure does not have difference substantially with conventional slide plate, omits the description.The characteristics of second slide plate 30 is,
Between the first slide plate 20 and suction hole 16, in other words, the first slide plate 20 and the second slide plate 30 are located at the same of suction hole 16
Side, and relative first slide plate 20 of the second slide plate 30 is close to suction hole 16.
In the utility model, by additional second slide plate 30, in two slide plate front ends and the periphery of piston 35 configuration bag
Seemingly dimetric chamber, the namely high pressure chest 14 enclosed.By the gases at high pressure of steam vent 25, it is discharged to and is enclosed in the first slide plate
20th, the high pressure chest 14 between the second slide plate 30 and the periphery of piston 35.High pressure chest 14, is that the gases at high pressure that steam vent 25 is discharged are temporary transient
The chamber and the exhaust channel to base bearing stomata 51 (Fig. 1) hoarded, often occur the change of volume with the revolution of piston 35.
As shown in figure 1, rotary compressor 1 is additionally provided with the air intake duct 4 being connected with housing 2, air intake duct 4 connects with fluid reservoir 7
Connect.Further, rotary compressor 1 is additionally provided with the blast pipe 3 being connected with the upper end of housing 2, blast pipe 3 and the condensation of kind of refrigeration cycle
Device is connected.
The low pressure refrigerant that fluid reservoir 7 is discharged, is discharged from air intake duct 4, is flowed into compression chamber 15, is discharged to high pressure chest 14；Wherein
It is formed with base bearing 50 on base bearing stomata 51, and base bearing 50 and is additionally provided with muffler 52.High pressure refrigerant is from base bearing
Stomata 51 starts, and flows out to muffler 52, is discharged to from muffler steam vent 52a in housing 2.Therefore, as usual, rotate
The internal pressure of the housing 2 of compressor 1, is high-pressure side.But, the utility model, even if the internal pressure of housing 2 is low pressure
Side, also can easily be applied.Moreover, can also be easily applied to the duplex-cylinder rotary compressor that is made up of two cylinders and 2 sections of compression sides
Formula.
The revolution angle Θ of piston 35 is elaborated with reference to Fig. 2, the revolution angle Θ of piston 35 is i.e. with the first slide plate
20 center is basic point, to the angle of the minimum clearance formed between the periphery of piston 35 and the internal diameter of compression chamber 15.In compression chamber 15
In, the left side cavity of angle Θ is air-breathing side chamber 15a, and right-side cavity is compression side chamber 15b.Rotary compressor 1 is applied to air-conditioning
When (refrigerant R410A), the gases at high pressure theory exhaust angle Θ under the conditions of high loaded process is 201 degree, and the duration of runs is most long
Θ during Practical Condition (APF (AnnualPerformance Factor- whole year energy resource consumptions rate) condition etc.) is left for 180 degree
The right side, under the angle, compression side chamber 15b gas reaches pressure at expulsion, opens air bleeding valve 23.
Wherein, in Θ=180 degree, the stroke of the first slide plate 20 is the aperture change of steam vent 25 in maximum, compression chamber 15
For maximum, compression side chamber 15b gases at high pressure are discharged from steam vent 25, towards high pressure chest 14.Now, capacity is maximum, is led to
The air resistance very little of steam vent 25 is crossed, the pressure loss is smaller.
Thereafter, moved along with Θ in the way of 360 degree, the stroke of the first slide plate 20 diminishes, air bleeding valve 23 it is effective
Aperture is reduced.But, compression side chamber 15b capacity is reduced, and therefore, will not excessively be increased by the pressure loss of air bleeding valve 23
Plus.Become hour in the stroke of the first slide plate 20, maintain the aperture means of air bleeding valve 23 as shown in Figure 5.
Fig. 3 is the assembling figure of the first slide plate 20.First slide plate 20 includes slide plate plate 21, and slide plate plate 21 is in valve accommodating groove 20a
After being processed with steam vent 25, abrasion performance processing is carried out, precise finiss is then carried out.Ensuing packing engineering, in valve accommodating groove
Embedded air bleeding valve 23 and standing valve 24 on 20a, standing valve 24 are fixed on the anchor portion of air bleeding valve 23.Specific fixed form can be with
Fixed using rivet, the press-in assembling rivet 27 on rivet hole 26, as shown in figure 4, completing the assembling of the first slide plate 20.Wherein,
The head of air bleeding valve 23 is provided with round shape structure 23a corresponding with steam vent 25.
Standing valve 24 is used to relax the means for concentrating on the stress that air bleeding valve 23 fixes side.Wherein, rivet 27 can also
Replaced using Screw, this is not also influenceed.Back side projection 21d on slide plate plate 21 is the projection that coil spring 28 is embedded in.
As shown in figure 4, the first slide plate 20 can be pressed into the periphery of piston 35 by coil spring 28.
Fig. 3 is returned to, the specification of the first slide plate 20 is carried out.The thickness of first slide plate 20, is as usual 3mm；
Valve accommodating groove 20a depth, can be 1.7mm.The circular valve seat that air bleeding valve 23 is installed is raised, it is necessary to exist with valve accommodating groove 20a
The same face, therefore, the thickness of steam vent 25 can be 1.3mm.That is, the thickness of the thickness of steam vent 25 and conventional steam vent
Degree is identical.
The thickness of slab of air bleeding valve 23 and standing valve 24, can so add up to about respectively in 0.2mm-0.3mm scope
0.5mm, then the height on the head of rivet 27 is no more than 1.2mm, design just has no problem.But, store coil spring 28
The internal diameter of first spring eye 18, may be about 10mm, therefore, though the head of rivet 27 from the side of the first slide plate 20 laterally
Projection, will not also interfere with the first vane slot 12.
Here, using the range of the first slide plate 20 as 5m, steam vent 25 internal diameter as 6mm, steam vent 25 it is interior
Footpath is 0.037cc；The delivery space of the machine as 15cc (equivalent to 1HP grades), the ratio of exhaust clearance volume is about
0.25%, it is reduced to the 1/4~1/5 of equal machine in the past.That is, reflation loss is significantly improved.
The configuration of rotary compressor 1 expands the otch of the volume of high pressure chest 14.By reasonable Arrangement otch, it can cause
The volume of high pressure chest 14 is suitable, so as to effectively reduce exhaust clearance volume.
Fig. 5 is the valve retainer groove 12a being machined on the first vane slot 12 of cylinder 10, be machined in the D-shaped otch on its opposite
Groove 12b, the U grooves 14a being configured between two slide plates schematic diagram.Valve retainer groove 12a and D-shaped groove of the notch 12b are separately positioned on
On two relative end faces of one vane slot 12.First, valve retainer groove 12a is as conventional exhaust valve retainer, towards its perforate
End, slow bend to put object plane shape, perforate in compression chamber 15.On the side at the perforate end of the first vane slot 12, configuration expands row
At the curved surface of the aperture of air valve 23, i.e. valve retainer groove 12a.
D-shaped groove of the notch 12b perforates are in steam vent 25, and in other words, groove of the notch 12b is connected with steam vent 25.The D-shaped groove of the notch
12b, positioned at valve retainer groove 12a to the first vane slot 12 wall, its in detail such as Fig. 5 right figures (shown in Z-direction arrow).
As shown in Fig. 2 when compression side chamber 15b reaches pressure at expulsion, the perforate of steam vent 25, air bleeding valve 23 is opened.Meanwhile, with
Above the air bleeding valve 23 of the integration of first slide plate 20, move forward and backward so that air bleeding valve 23 is slided on valve retainer groove 12a surface
Bending.That is, valve retainer groove 12a curvature, if than big, the exhaust of the curvature design of air bleeding valve 23 bent in exhaust
The front end of valve 23 would not be with valve retainer groove 12a Surface Interference.
Above-mentioned piston angle of revolution Θ exceedes after 180 degree, and the haul distance of the first slide plate 20 shortens.Behind Θ=360 degree, first
The front end of slide plate 20 is received into the first vane slot 12, and steam vent 25 is received into the first vane slot 12, so, compression side chamber 15b
The part of exhaust do not discharge, left behind.
It is the means for avoiding the problem for the groove of the notch 12b of D-shaped.Even if Θ=360 degree, the perforated area of steam vent 25
More than 50%, steam vent 25 remains to connect with compression chamber 15.After D-shaped groove of the notch 12b significantly expands, exhaust clearance volume increases
Plus, its otch amplitude can be identical with the internal diameter of steam vent 25.
Compression side chamber 15b steam vent 25 and D-shaped groove of the notch 12b are opened on, is changed into exhaust clearance volume；Between two slide plates
Valve retainer groove 12a or U the groove 14a of configuration, as not exhaust clearance volume.Move back and forth second in the second vane slot 13
Slide plate 30, is the means for preventing the gases at high pressure flowed out between above-mentioned two slide plate from flowing into suction side chamber 15a.
Here, as the principle of rotary compressor, the pressure of the slide plate back side chamber 11 in the lubricating oil of housing 2 compares high pressure
The pressure of chamber 14 is lower slightly, and the pressure than compressing side chamber 15b is high.Therefore, air bleeding valve 23 or valve retainer groove 12a, by being mixed in high pressure
Spray oils in the gases at high pressure of chamber 14 are lubricated.This and from compression chamber 15 exhaust lubrication by way of conventional air bleeding valve
Equally.
The slip surface side of first slide plate 20 of the perforate of steam vent 25, as usual, by the lubricating oil of slide plate back side chamber 11
Lubrication.Accordingly, with respect to the lubrication of the first slide plate 20, without any problem.There is no the lubrication of the second slide plate 30 of air bleeding valve, be also
Equally.
Next, on the first slide plate 20, confirming the pressing force from the side of slide plate back side chamber 11 to the periphery of piston 35.First slides
About the 50% of the front end R portions of piece 20, is opened on high pressure chest 14；About the 50% of residual changes in low pressure between high pressure.Second slides
About the 50% of the front end R portions of piece 30, is opened on air-breathing side chamber 15a；About the 50% of residual, is opened on high pressure chest 14.
Therefore, the pressing force of piston 35, is changed into the first slide plates of ＞ 20 of the second slide plate 30, recommends the first slide plate 20 and second to slide
The center of the front end of piece 30 carries out asymmetrical replacement design close to the shape of high pressure chest 14.
Fig. 6 is the plan in Fig. 1 Y-Y directions section.In the plane of cylinder 10, base bearing 50 and main muffler 52, quilt
Four screws 38 are fixed.On high pressure chest 14 and U grooves 14a, the perforate of base bearing stomata 51, therefore, the gases at high pressure row of high pressure chest 14
Go out into main muffler 52, thereafter, be discharged to from muffler steam vent 52a in housing 2.According to Fig. 6, on base bearing 40, with
It is past to be configured without steam vent, air bleeding valve and valve accommodating groove.As a result, can significantly improve the rigidity of base bearing 40.
In addition, possess the spring that the first slide plate 20 and the second slide plate 30 are pressed on to piston side respectively, the first slide plate 20
Spring is bigger than the spring of the second slide plate 30.The elastic force of the spring of such first slide plate 20 is more than the bullet of the spring of the second slide plate 30
Power, can preferably drive the first slide plate 20 to move back and forth.
Embodiment 2
Compared with embodiment 1, the rotary compressor delivery space of embodiment 2 is big, as shown in fig. 7, slide plate highly increases
Plus, so the first slide plate 60 two groups of steam vents 25 of configuration and air bleeding valve 23 side by side, two groups of steam vents 25 are in the first slide plate 20
It is spaced apart and sets in short transverse, two air bleeding valves 23 is corresponded with two steam vents 25 respectively..Using the first slide plate 60,
After assemble compressible key element 8, the rotary compressor 101 shown in Fig. 8 is completed.
In addition, in embodiment 2, in addition to base bearing stomata 51, additional supplementary bearing stomata 56.Therefore, from countershaft
The gases at high pressure of the discharge of stomata 56 are held, via secondary muffler 57 and cylinder through hole 19, main muffler 52 are discharged to, thereafter, with
The gas mixing that base bearing stomata 51 is discharged, from muffler steam vent 52a discharges.
Embodiment 3
Embodiment 3 shown in Fig. 9, is that the first slide plate 20 of the publicity of embodiment 1 is applied to swing rotary compressor
On design.Section X-Xs of the Fig. 9 equivalent to Fig. 1.Because being swing, the first slide plate 70 is integrated with piston 35.Second
Slide plate 80, equivalent to the second slide plate 30 of embodiment 1.As embodiment 1, tool is configured on the position of the first slide plate 70
There is the second slide plate 80 of steam vent 25 and air bleeding valve 23, or configure on the position of the second slide plate 80 general swing slide plate
70, all may be used.That is, any one in the first slide plate 70 and the second slide plate 80 can be swing slide plate.
It should be noted that rotary compressor of the present utility model, is carried on air-conditioning, refrigeration plant, water heater etc..And
And, it may be used on swing rotary compressor, Horizontai rotary compressor or the rotation of housing low pressure formula of piston and slide plate integration
On compressor.Using existing equipment, certainly, manufacture can be also realized.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
1. a kind of rotary compressor, it is characterised in that including：The piston revolved round the sun in the cylindrical compression chamber being made up of cylinder,
And be configured at the first vane slot of the cylinder and the first slide plate of the second vane slot and the second slide plate, first slide plate and
Second slide plate passes through the reciprocating motion of the pistons respectively；
On first slide plate, perforate is at least one steam vent of the compression chamber；
In the side of first slide plate, the air bleeding valve of the switch steam vent；
By the gases at high pressure of the steam vent, it is discharged to and is enclosed in first slide plate, second slide plate and the piston
High pressure chest between periphery.
2. rotary compressor according to claim 1, it is characterised in that the side at the first vane slot perforate end
On, configuration expands the curved surface of the exhaust valve opening.
3. rotary compressor according to claim 1, it is characterised in that in the perforate end wall of first vane slot, match somebody with somebody
Perforate is put in the groove of the notch of the steam vent.
4. rotary compressor according to claim 1, it is characterised in that the height between first slide plate and the second slide plate
Chamber is pressed, is connected with the muffler being configured on the bearing for sealing the compression chamber openend.
5. rotary compressor according to claim 1, it is characterised in that configuration expands the otch of the high pressure chest volume.
6. rotary compressor according to claim 1, it is characterised in that in first slide plate and second slide plate
Any one is swing slide plate.
7. rotary compressor according to claim 1, it is characterised in that possess first slide plate and described respectively
Two slide plates are pressed on the spring of the piston side, and the spring of first slide plate is bigger than the spring of second slide plate.
8. rotary compressor according to claim 1, it is characterised in that first slide plate and second slide plate are located at
The same side of the suction hole of the cylinder and relatively described first slide plate of second slide plate is close to the suction hole.
9. rotary compressor according to claim 1, it is characterised in that the air bleeding valve is integrated in first slide plate
On, the rotary compressor also includes：Standing valve, the standing valve is fixed on the anchor portion of the air bleeding valve.
10. rotary compressor according to claim 1, it is characterised in that the steam vent is for two and described first
It is spaced apart in the short transverse of slide plate, the air bleeding valve is two and corresponded respectively with two steam vents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300779.8U CN206592288U (en) | 2017-03-24 | 2017-03-24 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300779.8U CN206592288U (en) | 2017-03-24 | 2017-03-24 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592288U true CN206592288U (en) | 2017-10-27 |
Family
ID=60121496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720300779.8U Withdrawn - After Issue CN206592288U (en) | 2017-03-24 | 2017-03-24 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206592288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061276A (en) * | 2017-03-24 | 2017-08-18 | 广东美芝精密制造有限公司 | Rotary compressor |
| CN111720314A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Compression mechanism and compressor with same |
-
2017
- 2017-03-24 CN CN201720300779.8U patent/CN206592288U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061276A (en) * | 2017-03-24 | 2017-08-18 | 广东美芝精密制造有限公司 | Rotary compressor |
| CN107061276B (en) * | 2017-03-24 | 2019-12-06 | 广东美芝精密制造有限公司 | Rotary compressor |
| CN111720314A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Compression mechanism and compressor with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171027 Effective date of abandoning: 20191206 |