CN206582111U - A kind of bidentate scroll air compressor - Google Patents

A kind of bidentate scroll air compressor Download PDF

Info

Publication number
CN206582111U
CN206582111U CN201621417800.4U CN201621417800U CN206582111U CN 206582111 U CN206582111 U CN 206582111U CN 201621417800 U CN201621417800 U CN 201621417800U CN 206582111 U CN206582111 U CN 206582111U
Authority
CN
China
Prior art keywords
scroll
bidentate
air compressor
orbiter
motor
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
Application number
CN201621417800.4U
Other languages
Chinese (zh)
Inventor
侯智伟
林妙正
姚伯如
黄山川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang - Amperex Technology Ltd
Original Assignee
Zhejiang - Amperex Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang - Amperex Technology Ltd filed Critical Zhejiang - Amperex Technology Ltd
Priority to CN201621417800.4U priority Critical patent/CN206582111U/en
Application granted granted Critical
Publication of CN206582111U publication Critical patent/CN206582111U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Rotary Pumps (AREA)

Abstract

A kind of bidentate scroll air compressor, including filter, quiet vortex seat, dynamic vortex seat, fixed casing, live spindle, the small axle of anti-rotation and motor, the dynamic vortex seat is provided with orbiter, the quiet vortex seat is provided with fixed scroll, two sections of symmetrical scroll wraps are each provided with the orbiter and the fixed scroll, the axial end of the scroll wrap is provided with the elastic sealing strip for being provided with teeth groove, the teeth groove and being used for fitting with the orbiter or fixed scroll;The filter is provided with two, and the quiet vortex seat connects the filter with the fixed scroll provided with two air inlets for being located at upper and lower respectively, the air inlet;The back side of the orbiter and the fixed scroll is provided with radiating fin.The utility model compact conformation, easy to use, volume, weight are greatly reduced relative to traditional screw compressor, and capacity is substantially improved, and radiating is good, component deterioration reduction, service life extension.

Description

A kind of bidentate scroll air compressor
Technical field
The utility model is related to air compressor technical field, specifically a kind of bidentate scroll air compressor.
Background technology
The capacity of current scroll type air compressor commercialization is smaller, the list of oil-free vortex air compressor machine commercialization Head maximum capacity is less than 1M3/min;Oil spout or the maximum capacity of the single-head about 3M for scroll air compressor of spraying water3/ min, this is Whole world compressor industry thinks that screw compressor is difficult to substitute other high energy consumptions, the basic place of high noisy compressor, exceedes The scroll air compressor of above discharge capacity is combined by several.The scroll molded line of scroll air compressor can not be too high, it is to avoid is vortexed Interference wear is produced because thermal expansion is excessive between sound disk, is extremely limited the capacity of screw compressor, especially It is that oil-free vortex compressor can not more overcome the limitation of capacity, causes the low noise, highly reliable of oil-free vortex compressor The advantages of property, low energy consumption, can not well play a role in compressor application field.This is not only compressor in the industry sorry, It is the disappointment of vast compressor user.But either indices of the compressor such as energy consumption, noise, reliability, volume, especially Be oil-free vortex compressor quality represent be latest generation compressor type, break through discharge capacity restriction turn into row in Expect.
The content of the invention
Technical purpose of the present utility model is to provide a kind of bidentate scroll air compressor, the current oil-free scroll pressure of solution Contracting machine capacity is smaller, volume is big and heavy, it is less efficient the problem of.
Concrete technical scheme of the present utility model is as follows:A kind of bidentate scroll air compressor, including filter, quiet vortex Seat, dynamic vortex seat, fixed casing, live spindle, the small axle of anti-rotation and motor, the dynamic vortex seat are provided with dynamic vortex Disk, the quiet vortex seat, which is provided with fixed scroll, the orbiter and the fixed scroll, is each provided with two sections symmetrically Scroll wrap, the axial end of the scroll wrap, which is provided with to be provided with teeth groove, the teeth groove, to be used for and the orbiter or quiet whirlpool The elastic sealing strip of capstan laminating;The filter is provided with two, and the quiet vortex seat is provided with respectively positioned at the two of upper and lower Individual air inlet, the air inlet connects the filter with the fixed scroll;The orbiter and the fixed scroll The back side be provided with radiating fin;The fixed casing is fixedly connected with the quiet vortex seat, the motor respectively, described solid Determine casing to be provided with for the inner chamber for accommodating the dynamic vortex seat, the main bearing hole for connecting the live spindle and for even Connect the small bearing hole of the small axle of anti-rotation;The motor is internal rotor permanent-magnetic motor;The filter, the quiet vortex Seat, dynamic vortex seat, the fixed casing and the motor are arranged successively connects integral.
Preferably, the scroll molded line of the scroll wrap is reducing circle involute or circle involute.
Gradually opened preferably, the scroll molded line of the scroll wrap is included the first reducing circle by inner ring to centre circle to outer ring successively Line, the second circle involute, the 3rd reducing circle involute, the tooth wall thickness of the scroll wrap is in successively by inner ring to centre circle to outer ring Now be gradually reduced, uniform thickness, the trend being gradually reduced.
Preferably, the first reducing circle involute has the first reducing basic circle that radius uniformly reduces, the described 3rd Reducing circle involute has the second reducing basic circle that radius uniformly reduces, and the radius reduction speed of the second reducing basic circle is more than Or equal to the radius reduction speed of the first reducing basic circle.
Preferably, the fixed scroll surface or the dynamic vortex dish cart between the adjacent turn of the scroll wrap Face is arc groove face.
Preferably, the elastic sealing strip is exposed to the teeth groove and convex with what is fitted with arc groove face matching Play cambered surface.
Lead to the external world preferably, being provided between being located at the internal ring gear head of two sections of scroll wraps on the fixed scroll Steam vent, the section of the steam vent is two intersecting isometrical circles, intersection point and the scroll wrap of two isometrical circles Internal ring gear crown point is overlapped, the center of the steam vent and the center superposition of the fixed scroll.
Preferably, the radiating fin is directly connected in the back side of the fixed scroll and the orbiter, it is described The region longitudinal section of radiating fin formation covers the region longitudinal section of the scroll wrap formation.
Preferably, the radiating fin is sine bellows shape, it is spaced apart on the radiating fin and is provided with multiple hollow slots.
Preferably, being additionally provided with heat sinking back-plate on the quiet vortex seat, the heat sinking back-plate offsets with the radiating fin Touch.
Preferably, the motor includes motor housing, the stator in the motor housing, located at the electricity Rotor, one end in machine shell are fixedly connected on the fixed casing and the other end is fixedly connected on the front end of the motor housing Cover and be fixedly connected on and be additionally provided with closure on the rear end cap of the motor housing, the rear end cap.
Technological merit of the present utility model is the bidentate scroll air compressor compact conformation, easy to use, use Motor integration design, motor uses efficient internal rotor permanent-magnetic motor, reasonable integral structure firmly, volume, weight phase Greatly reduced for traditional screw compressor, capacity is substantially improved, radiating is good, the loss of dynamic and static scroll plate and scroll wrap Reduction, service life extension.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the cross-sectional view of the utility model embodiment;
Fig. 3 is the configuration schematic diagram of the utility model embodiment;
Fig. 4 is the structural representation of the quiet vortex seat of the utility model embodiment;
Fig. 5 is the structural representation of the dynamic vortex seat of the utility model embodiment;
Fig. 6 is the structural representation of the fixed casing of the utility model embodiment;
Fig. 7 is the structural representation of the motor of the utility model embodiment;
Fig. 8 is the scroll wrap of the utility model embodiment and the structural representation of the steam vent;
Corresponding each toponym is numbered in figure is respectively:10- fixed scrolls, 11- discharge ducts, 13- filters, 14- Heat sinking back-plate, 15- air inlets, 16- scroll wraps, 161- teeth groove, 162- elastic sealing strips, 17- radiating fins, 18- steam vents, 20- orbiters, 30- fixes casing, 31- fore-stocks, 32- after-poppets, the small axle of the anti-rotations of 40-, the small bearing holes of 41-, 50- rotations Main shaft, 51- main bearing holes, 52- Balance Irons, 60- stators, 61- drive end bearing brackets, 62- motor inlet interfaces, 63- motor housings, 70- Rotor, 71- closures, 72- rear end caps.
Embodiment
Below in conjunction with accompanying drawing, by specific embodiment, the utility model is described in further detail:
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of bidentate scroll air compressor, including filter 13rd, quiet vortex seat, dynamic vortex seat, fixed casing 30, live spindle 50, the small axle 40 of anti-rotation and motor, live spindle 50 It is eccentric crankshaft with the small axle of anti-rotation 40, live spindle 50 is provided with Balance Iron 52, and dynamic vortex seat is provided with orbiter 20, Quiet vortex seat is provided with fixed scroll 10, orbiter 20 and fixed scroll 10 and is each provided with two sections of symmetrical scroll wraps 16, The axial end of scroll wrap 16, which is provided with teeth groove 161, teeth groove 161 to be provided with, to be used to fit with orbiter 20 or fixed scroll 10 Elastic sealing strip 162;Filter 13 is provided with two, and quiet vortex seat is provided with two air inlets 15 for being located at upper and lower respectively, Air inlet 15 connects filter 13 with fixed scroll 10;The back side of orbiter 20 and fixed scroll 10 is provided with radiating fin 17;Fixed casing 30 is fixedly connected with quiet vortex seat, motor respectively, and fixed casing 30, which is provided with, to be used to accommodate dynamic vortex seat Inner chamber, the main bearing hole 51 for connecting live spindle 50 and the small bearing hole 41 for connecting the small axle 40 of anti-rotation, it is fixed Fore-stock 31, after-poppet 32 of the bottom of casing 30 provided with external fixation and support;Motor is internal rotor permanent-magnetic motor, is driven Dynamic motor is solid including motor housing 63, the stator 60 in motor housing 63, the rotor 70 in motor housing 63, one end Surely it is connected to fixed casing 30 and the other end is fixedly connected on the drive end bearing bracket 61 of motor housing 63 and is fixedly connected on motor housing It is additionally provided with 63 rear end cap 72, rear end cap 72 on closure 71, motor housing 63 and is additionally provided with motor inlet interface 62, rear end cap 72 are fixedly connected by fixed screw 64 with motor housing 63;Filter 13, quiet vortex seat, dynamic vortex seat, the fixed and of casing 30 Motor is arranged successively, and connection is integral, and integrated design theory, exquisite attractive in appearance, structural volume, weight control is presented in outward appearance It is made and works as.
The scroll molded line of scroll wrap 16 is reducing circle involute.For molded line be reducing circle involute scroll wrap 16, its If reducing base radius is tapered into, tooth wall is thicker at the internal ring gear head of the scroll wrap 16 formed, and from internal ring gear head to Complete tooth tail wall thickness is gradually thinning, so that scroll wrap 16 is in real work, and it is more formed toward the scroll wrap 16 of outer ring Working chamber volume it is bigger, and also therefore intracavity gas pressure it is relatively low, wall thickness can be relatively thin and do not hinder;And more toward the scroll wrap of inner ring 16 working chamber volumes formed are smaller, and also therefore intracavity gas pressure is higher, and wall thickness is also just thicker and does not hinder, thus The changing rule of the wall thickness changing rule of scroll wrap 16 of this spline structure and gas pressure in the working chamber formed being capable of phase one Cause, equicohesive scroll wrap 16 can be formed with corresponding intracavity gas, so as to relatively reduce the quiet whirlpool occupied by scroll wrap 16 The area of capstan 10, orbiter 20, improves area utilization, adds interior volume specific ratio, reduces fixed scroll 10, dynamic whirlpool The diameter of capstan 20, more compact structure, with higher combination property, in other words when capacity is identical, scroll plate diameter At least 5% can be reduced, when scroll plate diameter is identical, capacity improves at least 10%, and content is than increase at least 15%.Obtaining simultaneously While obtaining excellent combination property, volume, the weight of structure reduce, and cost input is less.
The scroll molded line of scroll wrap 16 is included the first reducing circle involute, the second circle by inner ring to centre circle to outer ring gradually successively Burst at the seams, the 3rd reducing circle involute, the tooth wall thickness of scroll wrap 16 presented successively to centre circle to outer ring by inner ring be gradually reduced, etc. Trend that is thick, being gradually reduced.Further, addition second is justified between the first reducing circle involute, the 3rd reducing circle involute Involute, molded line causes air inflow to be substantially improved for the outer ring scroll wrap 16 of the first reducing circle involute;Molded line is justified gradually for second The centre circle scroll wrap 16 burst at the seams such as can form at the changeover portion of scroll wrap 16 of wall thickness, prevent what is formed by the 3rd reducing circle involute The wall thickness of scroll wrap 16 is too small, and will now transmit gas flow and be limited to a suitable value by this section of changeover portion, can either So that air inflow is in maximum, ensure that again whole air compressor machine can normally, efficient, the operation shape of less trouble Why state, be so unnecessarily to increase air inflow in order to avoid the exhaust figureofmerit because of pursuit scroll air compressor, brought Temperature lifting it is too fast too high, cause the situation of caused thermal expansion unstable wear loss therewith;Molded line is that the 3rd reducing is justified gradually The inner ring scroll wrap 16 burst at the seams continues the gas after stabilization being sent to inner ring, and final dispatch with transmission efficiency as big as possible Go out.So design, while so that the gas pressure in compression chamber has also obtained suitable control, it is to avoid the radial shape of scroll wrap 16 Become, extend its service life, it is ensured that service precision.
First reducing circle involute has the first reducing basic circle that radius uniformly reduces, and the 3rd reducing circle involute has half The second reducing basic circle that footpath uniformly reduces, the radius reduction speed of the second reducing basic circle is more than or equal to the half of the first reducing basic circle Footpath reduction speed.Further, the design of radius reduction speed enables the second reducing basic circle to lift air inflow as much as possible, And heated compression degree at the beginning is sustained completely, and the first reducing basic circle can continue the same of higher air inflow as much as possible When, compression of being excessively heated is not, causes the component deterioration consequence that bad thermal expansion is brought occur.
The surface of fixed scroll 10 or the surface of orbiter 20 between the adjacent turn of scroll wrap 16 are arc groove face, I.e. recessed arc-shaped ring groove face.Arc groove face further increases air inflow ingenious in designly, without going to increase scroll wrap 16 height, if because the height of scroll wrap 16 is excessive, in compression motion process, the heated caused thermal expansion of part was understood Greatly, meeting severe interference abrasion between fixed scroll 10 and orbiter 20, until extremely damaging, influences service life.While arc Shape groove face increases heating surface area, controls the lifting speed of temperature, further the adverse consequences of reduction thermal expansion.
Elastic sealing strip 162 is exposed to teeth groove 161 and with the raised cambered surface fitted with the matching of arc groove face.Elastic packing The raised cambered surface of bar 162 meets the cooperation needs of arc groove face, it is ensured that the scroll wrap 16 on two disks is in compression motion process The tolerance leakage in good sealing condition, reduction compression motion process is maintained to, the adverse consequences thus brought Reduce to most light.
It is located on fixed scroll 10 between the internal ring gear head of two sections of scroll wraps 16 provided with the steam vent 18 for leading to the external world, exhaust The section in hole 18 is two intersecting isometrical circles, and the intersection point of two isometrical circles is overlapped with the internal ring gear crown point of scroll wrap 16, is arranged The center of stomata 18 and the center superposition of fixed scroll 10.Steam vent 18 ensure that at any time all the time with two scroll plates On the center discharge chamber that is formed of scroll wrap 16 communicate, do not transmitted with the gas compression beyond any one center discharge chamber Chamber is communicated, and ensures that steam vent 18 is influenceed smaller by blocking for scroll wrap 16 in exhaust, can keep larger unlatching all the time Area, exhaust effect is good, and exhaust process is more steady, and fluctuating range is smaller.
Radiating fin 17 is directly connected in the back side of fixed scroll 10 and orbiter 20, the region of the formation of radiating fin 17 The region longitudinal section of the longitudinal section covering formation of scroll wrap 16.Radiating fin 17 is to be spaced apart on sine bellows shape, radiating fin 17 Provided with multiple hollow slots.Heat of the conduction from fixed scroll 10, orbiter 20 completely of radiating fin 17, sine bellows shape Its area of dissipation is significantly increased in design, and hollow slots can further increase area of dissipation, while increasing heat-dissipating space, and more has Effect ground coordinates ambient windstream to distribute heat flowing.
Heat sinking back-plate 14 is additionally provided with quiet vortex seat, heat sinking back-plate 14 and radiating fin 17 are inconsistent.Heat sinking back-plate 14 exists While helping the radiating of radiating fin 17, the structure of quiet vortex seat is protected, and there is uniformity, the spy of aesthetic property in appearance Point.Heat sinking back-plate 14 is open provided with corresponding with steam vent 18, provided with the discharge duct 11 communicated with steam vent 18 in opening.

Claims (10)

1. a kind of bidentate scroll air compressor, including filter(13), quiet vortex seat, dynamic vortex seat, fixed casing(30), rotation Turn main shaft(50), the anti-small axle of rotation(40)And motor, the dynamic vortex seat is provided with orbiter(20), the quiet vortex Seat is provided with fixed scroll(10), it is characterised in that:The orbiter(20)And the fixed scroll(10)On be each provided with Two sections of symmetrical scroll wraps(16), the scroll wrap(16)Axial end be provided with teeth groove(161), the teeth groove(161)In Provided with for the orbiter(20)Or fixed scroll(10)The elastic sealing strip of laminating(162);The filter(13) Provided with two, the quiet vortex seat is provided with two air inlets for being located at upper and lower respectively(15), the air inlet(15)By institute State filter(13)With the fixed scroll(10)Connection;The orbiter(20)And the fixed scroll(10)The back side set There is radiating fin(17);The fixed casing(30)It is fixedly connected respectively with the quiet vortex seat, the motor, it is described solid Determine casing(30)Provided with the inner chamber for accommodating the dynamic vortex seat, for connecting the live spindle(50)Main bearing hole (51)With for connecting the small axle of anti-rotation(40)Small bearing hole(41);The motor is internal rotor permanent-magnetic motor; The filter(13), the quiet vortex seat, the dynamic vortex seat, the fixed casing(30)Arranged successively with the motor Cloth is in integration connection shape.
2. a kind of bidentate scroll air compressor according to claim 1, it is characterised in that:The scroll wrap(16)Whirlpool Rotation molded line is included the first reducing circle involute, the second circle involute, the 3rd reducing circle by inner ring to centre circle to outer ring and gradually opened successively Line, the scroll wrap(16)Tooth wall thickness presented successively to centre circle to outer ring by inner ring and be gradually reduced, uniform thickness, be gradually reduced Trend.
3. a kind of bidentate scroll air compressor according to claim 2, it is characterised in that:The first reducing circle is gradually opened Line has the first reducing basic circle that radius uniformly reduces, and the 3rd reducing circle involute has the second change that radius uniformly reduces Footpath basic circle, the radius reduction speed of the second reducing basic circle is more than or equal to the radius reduction speed of the first reducing basic circle Rate.
4. a kind of bidentate scroll air compressor according to claim 1, it is characterised in that:Positioned at the scroll wrap(16) Adjacent turn between the fixed scroll(10)Surface or the orbiter(20)Surface is arc groove face.
5. a kind of bidentate scroll air compressor according to claim 4, it is characterised in that:The elastic sealing strip (162)It is exposed to the teeth groove(161)And with the raised cambered surface fitted with arc groove face matching.
6. a kind of bidentate scroll air compressor according to claim 1, it is characterised in that:The fixed scroll(10)On Positioned at two sections of scroll wraps(16)Internal ring gear head between provided with lead to the external world steam vent(18), the steam vent(18)'s Section is two intersecting isometrical circles, intersection point and the scroll wrap of two isometrical circles(16)Internal ring gear crown point weight Close, the steam vent(18)Center and the fixed scroll(10)Center superposition.
7. a kind of bidentate scroll air compressor according to claim 1, it is characterised in that:The radiating fin(17)Directly The fixed scroll is connected in succession(10)And the orbiter(20)The back side, the radiating fin(17)Indulge in the region of formation Section covers the scroll wrap(16)The region longitudinal section of formation.
8. a kind of bidentate scroll air compressor according to claim 1 or 7, it is characterised in that:The radiating fin (17)For sine bellows shape, the radiating fin(17)Upper be spaced apart is provided with multiple hollow slots.
9. a kind of bidentate scroll air compressor according to claim 1, it is characterised in that:Also set on the quiet vortex seat There is heat sinking back-plate(14), the heat sinking back-plate(14)With the radiating fin(17)It is inconsistent.
10. a kind of bidentate scroll air compressor according to claim 1, it is characterised in that:The motor includes Motor housing(63), located at the motor housing(63)Interior stator(60), located at the motor housing(63)Interior rotor (70), one end be fixedly connected on the fixed casing(30)And the other end is fixedly connected on the motor housing(63)Drive end bearing bracket (61)Be fixedly connected on the motor housing(63)Rear end cap(72), the rear end cap(72)On be additionally provided with closure (71), the motor housing(63)On be additionally provided with motor inlet interface(62).
CN201621417800.4U 2016-12-22 2016-12-22 A kind of bidentate scroll air compressor Active CN206582111U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621417800.4U CN206582111U (en) 2016-12-22 2016-12-22 A kind of bidentate scroll air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621417800.4U CN206582111U (en) 2016-12-22 2016-12-22 A kind of bidentate scroll air compressor

Publications (1)

Publication Number Publication Date
CN206582111U true CN206582111U (en) 2017-10-24

Family

ID=60109388

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621417800.4U Active CN206582111U (en) 2016-12-22 2016-12-22 A kind of bidentate scroll air compressor

Country Status (1)

Country Link
CN (1) CN206582111U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593865A (en) * 2016-12-22 2017-04-26 浙江高领新能源科技有限公司 Bi-toothed vortex air compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593865A (en) * 2016-12-22 2017-04-26 浙江高领新能源科技有限公司 Bi-toothed vortex air compressor
CN106593865B (en) * 2016-12-22 2019-04-26 浙江高领新能源科技有限公司 A kind of bidentate scroll air compressor

Similar Documents

Publication Publication Date Title
CN106593865B (en) A kind of bidentate scroll air compressor
JP5719685B2 (en) Helium hermetic scroll compressor
JP6035111B2 (en) Helium hermetic scroll compressor
CN208040699U (en) A kind of cooling system of screw compressor
CN100516537C (en) Fixed construction between engine body and engine shell of compressor
WO2019076080A1 (en) Scroll compressor having lubricating structure
CN206582111U (en) A kind of bidentate scroll air compressor
CN206175209U (en) Scroll compressor having a plurality of scroll members
JPWO2010013351A1 (en) Scroll fluid machinery
CN213205965U (en) Scroll compressor, refrigeration equipment and automobile
JPWO2014010199A1 (en) Rotary compressor
CN206290436U (en) Scroll compressor with axially soft dynamic cross coupling ring
CN206211764U (en) A kind of fire-proof motor of long service life
CN107575388A (en) A kind of blade electronics is evacuated pump frame
CN104791250A (en) Scroll refrigerating compressor with scroll plates adopting micro-groove end surface sealing structures
JPWO2019207617A1 (en) Scroll compressor
CN208330741U (en) The Horizontal vortex refrigeration compressor adjusted with interior volume specific ratio
CN207960953U (en) A kind of cooling system of screw compressor
CN205714757U (en) Oil-free vortex air compresses external rotor electric machine all-in-one
CN215762262U (en) Bearing body assembly of multistage centrifugal pump
JPH11159482A (en) Scroll type fluid machinery
CN204984895U (en) Transmission rotary compressor in horizontal totally closed single -stage
CN206290438U (en) Scroll compressor with elastic cross coupling ring
JP2017015000A (en) Scroll Type Fluid Machine
CN215109551U (en) Bearing air seal structure of pneumatic-pneumatic suspension centrifugal refrigeration compressor and compressor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant