CN202673682U - Disc air compressor - Google Patents
Disc air compressor Download PDFInfo
- Publication number
- CN202673682U CN202673682U CN 201220226624 CN201220226624U CN202673682U CN 202673682 U CN202673682 U CN 202673682U CN 201220226624 CN201220226624 CN 201220226624 CN 201220226624 U CN201220226624 U CN 201220226624U CN 202673682 U CN202673682 U CN 202673682U
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- baffle plate
- beam barrel
- center beam
- basic
- basin
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Abstract
The utility model discloses a disc air compressor. The disc air compressor comprises a base and a central shaft barrel, wherein the base is composed of at least two basic basins which are different in height and are matched with a cover plate, a semicircular lug is moulded at the side edge of each of the basic basins, and one baffle is movably arranged in each lug; the central shaft barrel penetrates through a through hole formed at the bottom of each basic basin and is arranged in the base, and the central shaft and the basic basins form an annular cavity; the baffles are conflicted with the outer surface of the central shaft barrel; a pressing plate used for compressing air is fixedly arranged on the central shaft barrel, and the pressing plate is fallen into the annular cavity; and the basic basins in the base are matched with the central shaft barrel, the pressing plate and the baffles to form a multistage compression device. The disc air compressor disclosed by the utility model is composed of the base, the central shaft barrel, the pressing plate and the baffles which are matched, and is simple in structure and small in volume; as the central shaft barrel is low in rotating speed and produces less heat, the base can be well protected; and besides, the disc air compressor disclosed by the utility model adopts a layering design and is high in power and strong in practicability, so that gas with high density and high pressure can be produced.
Description
Technical field:
The utility model relates to the air compressor technical field, refers in particular to a kind of simple in structure, high working efficiency, and the disk air compressing of gas compression works very well.
Background technique:
(English is air compressor: air compressor) be the main body in the compressed air source unit, it be mechanical energy with prime mover (normally motor) convert to gas pressure can device, be that a kind of air compressing principle of utilizing is made compressed-air actuated machinery above atmospheric pressure.
Air compressor commonly used has piston type air compressor, screw air compressor (screw air compressor is divided into again double-screw air compressor and single-screw air compressor), centrifugal compressor and sliding-vane air compressor and scroll type air compressor now.
Although it is certain that these several air compressors all have advantages of, still has certain deficiency.Liquid-piston compressor is to utilize therein water or other liquid to be used as piston and to come pressurized gas, then gas is discharged; In the course of the work, piston linear reciprocating motion compresses the gas in the vapour tank, because piston is continuous and vapour tank inwall constantly rubs, it can produce larger noise, and after long-time the use, the ability of piston compression gas will constantly reduce, and has greatly affected its working efficiency.
Helical-lobe compressor is that utilization two rotors with the screw type gear in its vapour tank are intermeshing, thereby with gas compression and discharge, but the rotational velocity of its rotor is fast, the heat that produces immediately is also large, not only requires the antiwear heat resisting of its manufactured materials higher, and in use needs to use a large amount of cutting oils to lower the temperature, also need at last to carry out Oil-gas Separation, its cost of production is high, complicated operation, and the maintenance difficulty is large.
The working efficiency of above-mentioned two kinds of air compressors is not high, and the gas density after the compression is inadequate, pressure is not high yet, can't satisfy some device work that the demand gas density is large, pressure is high.
The model utility content:
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of simple in structure, high working efficiency is provided, and the disk air compressing of gas compression works very well.
In order to solve the problems of the technologies described above, the utility model has adopted following technical proposals: disk air compressing, it comprises: a pedestal, the basic basin that this pedestal is differed by at least two layer heights cooperates a cover plate to consist of, wherein, this base basin edge forming has a semicircle ear seat that is connected with its cavity, and a baffle plate is movably installed in this ear seat; One center beam barrel, the through hole that this center beam barrel passes described basic basin bottom part setting is movably installed in the pedestal, and forms a toroidal cavity with this base basin, and described baffle plate and central shaft tube outer surface are inconsistent; Fixed installation is useful on the compressed-air actuated pressing plate of forcing on the beam barrel of described center, and this forces pressing plate to fall into described toroidal cavity; Basic basin in the described pedestal cooperates the center beam barrel, forces pressing plate, baffle plate forms the multistage compression device.
Furthermore, in the technique scheme, beam barrel inside, described center forms the demarcation strip that its inner chamber can be separated into two-layer at least independent cavity, wherein, these several layers independent cavity and the staggered corresponding distribution of the basic basin of pedestal, and cooperate described pressing plate, the baffle plate of forcing to form described multistage compression device.
Furthermore, in the technique scheme, the basic basin of bottom is provided with the suction tude for external air inlet device in the described pedestal, and the steam outlet pipe for external caisson is installed on described cover plate; Described center beam barrel side is provided with suction port and the relief opening of a plurality of connections center beam barrel internal independence cavity and described toroidal cavity.
Furthermore, in the technique scheme, the basic basin in the described pedestal is provided with a suction tude and steam outlet pipe, wherein, is positioned at the external air inlet system of suction tude of the basic basin of bottom, the external gas holder of its steam outlet pipe; The suction tude that is positioned at the basic basin of last layer is connected with this gas holder, external another gas holder of its steam outlet pipe.
Furthermore, in the technique scheme, described basic basin bottom part forms the otic placode that the ear seat with its side is complementary, and wherein this otic placode and ear seat are 90 degree mutually; Described cover plate edge forming has the otic placode that is complementary with described ear seat.
Furthermore, in the technique scheme, described baffle plate cross section is " ten " font, its protruding axle by up and down two ends moulding is articulated in the ear seat of described basic basin, and shelves leaf and described center beam barrel in the baffle plate are inconsistent, wherein, be provided with mounting groove on the shelves leaf, fixed installation is useful on and reduces the oil sealing that produces frictional force when the shelves leaf rotates in this mounting groove.
Furthermore, in the technique scheme, be equipped with one on the described ear seat and can make described baffle plate rotate the positioning devices of 90 degree, one location, this positioning device comprise at least one with described baffle plate in the magnet piece that is complementary of grade leaf.
Furthermore, in the technique scheme, described relief opening and steam outlet pipe are provided with one can control the safety check that gas unidirectional circulates.
Furthermore, in the technique scheme, described baffle plate cross section is " one " font, and its protruding axle by up and down two ends moulding is articulated in the ear seat of described basic basin, and shelves leaf and described center beam barrel in the baffle plate are inconsistent.
Furthermore, in the technique scheme, be equipped with one on the described ear seat and can make described baffle plate rotate the positioning devices of 180 degree, one location, this positioning device comprise one with described baffle plate in the magnet piece that is complementary of shelves leaf.
After adopting technique scheme, the utility model has following beneficial effect compared with prior art:
1, the utility model is simple in structure, volume is little, the utility model comprises that the basic basin that is differed by at least two layer heights cooperates the pedestal that cover plate consists of and is installed on center beam barrel in the pedestal and cooperates and force pressing plate and baffle plate to consist of, form the multistage compression device, its structure is very simple; In addition, the toroidal cavity size that is used for pressurized gas in the utility model is unrestricted, can arbitrarily increase and decrease, and is very convenient to use, and is convenient to assembling, maintenance,
2, the utility model is because rotating speed is slow, and moves smooth and easyly, and the frictional force that produces during work is little, because gas holder can dispel the heat the heat that produces in the compression set, make the utility model can not produce excessive heat, the noise of generation is minimum, can also improve working life of the present utility model; In addition, because it can not produce excessive heat, so can not require too highly when selection, manufactured materials can use rigid non-metallic material, pottery, plastic-steel etc., uses very extensively, and cost is low.
3, because the utility model adopts hierarchical design, its power is high, and is practical; It compresses layer by layer to gas, makes the gas through overcompression have the advantages that density is large, pressure is large, and it is applicable to some special machinery that needs density is large, pressure is large gas to carry out work.
4, be formed with the multistage compression device in the utility model, gas enters central shaft cylinder or gas holder after compressing through the next stage compression set, and storage becomes wind regime and the back pressure of upper level compression set;
Because back pressure can change high pressure into low pressure, evenly the distribution equilibrium powered is forced pressing plate again, make whole compressor operating smooth and easy, and compression effectiveness is fabulous.
Description of drawings:
Fig. 1 is the utility model embodiment one stereogram;
Fig. 2 is the stereogram of basic basin among the utility model embodiment one;
Fig. 3 is the three-dimensional exploded view of basic basin among the utility model embodiment one;
Fig. 4 is the stereogram of the center beam barrel among the utility model embodiment one;
Fig. 5 is half perspective view of the center beam barrel among the utility model embodiment one;
Fig. 6 is the stereogram of baffle plate among the utility model embodiment one;
Fig. 7 is the stereogram of forcing pressing plate among the utility model embodiment one;
Fig. 8 is the assembling schematic diagram of forcing pressing plate, baffle plate, basic basin and center beam barrel among the utility model embodiment one;
Fig. 9 is the plan view of the baffle plate of another structure among the utility model embodiment one;
Figure 10 is the distribution schematic diagram of suction port and relief opening among the utility model embodiment one;
Figure 11 is the utility model embodiment two structural representation;
Description of reference numerals:
1 pedestal, 11 basic basin 111 basic basin 112 basic basins
113 basic basin 114 basic basin 12 cover plates 14 ear seats
15 otic placodes, 16 otic placodes, 2 center beam barrels, 21 demarcation strips
22 axis bodies 3 are forced pressing plate 31 cambered surfaces 4 baffle plates
42 grades of leaves of 41 protruding axles, 421 mounting grooves, 43 oil sealings
44 magnet pieces, 5 suction ports, 51 suction ports, 52 suction ports
53 suction ports, 6 relief openings, 61 relief openings, 62 relief openings
63 relief openings, 7 suction tude, 71 suction tude, 72 suction tude
73 suction tude, 74 suction tude, 8 steam outlet pipes, 81 steam outlet pipes
82 steam outlet pipes, 83 steam outlet pipes, 84 steam outlet pipes, 91 gas holder
92 gas holder, 93 gas holder, 94 gas holder
Embodiment:
Below in conjunction with specific embodiments and the drawings the utility model is further specified.
See shown in Fig. 1-10, disk air compressing, it comprises: a pedestal 1, this pedestal 1 cooperates a cover plate 12 to consist of by the basic basin 11 that at least two layer heights differ, wherein, these base basin 11 edge formings have semicircle ear seat 14, one baffle plates 4 that are connected with its cavity to be movably installed in this ear seat 14; The through hole that one center beam barrel 2, this center beam barrel 2 pass the setting of described basic basin 11 bottoms is movably installed in the pedestal 1, and forms a toroidal cavity with this base basin 11, and described baffle plate 4 is inconsistent with center beam barrel 2 outer surfaces; Fixed installation is useful on the compressed-air actuated pressing plate 3 of forcing on the described center beam barrel 2, and this forces pressing plate 3 to fall into described toroidal cavity; Basic basin 11 in the described pedestal 1 cooperates center beam barrels 2, forces pressing plate 3, baffle plate 4 forms the multistage compression devices.
In the present embodiment, described multistage compression device is the level Four compression set.
Particularly, described center beam barrel forms an axis body 22 in two ends about in the of 2, and center beam barrel 2 is realized rotating by these axis body 22 external drive units; Also be provided with a plurality of mounting holes on the center beam barrel 2, center beam barrel 2 is forced pressing plate 3 by this four of mounting hole fixed installation, and forces the cambered surface 31 on the pressing plate 3 closely to conflict with the outer wall of center beam barrel 2.Beam barrel 2 inside, described center form two demarcation strips 21 that its inner chamber can be separated into three layers of independent cavity, wherein, four layers of basic basins 11 staggered corresponding distributions of these several layers independent cavity and pedestal 1, and pressing plate 3, the described level Four compression set of baffle plate 4 formation are forced in cooperation.
The basic basin 111 of bottom is provided with the suction tude 7 for external air inlet device in the described pedestal 1, and the steam outlet pipe 8 for external caisson is installed on described cover plate 12; Described center beam barrel 2 sides are provided with suction port and the relief opening of a plurality of connections center beam barrel 2 internal independence cavitys and described toroidal cavity.Described relief opening and steam outlet pipe are provided with one can control the safety check that gas unidirectional circulates.
Described basic basin 11 bottoms form the otic placode 16 that is complementary with its ear seat 14, and wherein this otic placode 16 is 90 degree mutually with ear seat 14; Described cover plate 12 edge formings have the otic placode 15 that is complementary with described ear seat 14, and this cover plate 12 cooperates with the ear seat 14 of described basic basin 11 by otic placode 15 and is fixedly installed on the basic basin 11.
Described baffle plate 4 is movably installed in the described ear seat 14, and wherein, this baffle plate 4 is conflicted with the intimate of these ear seat 14 inwalls and described center beam barrel 2.Described baffle plate 4 cross sections are " ten " font, its protruding axle 41 by up and down two ends moulding is articulated in the ear seat 14 of described basic basin 11, and the shelves leaf 42 in the baffle plate 4 is inconsistent with described center beam barrel 2, wherein, be provided with mounting groove 421 on the shelves leaf 42, fixed installation is useful on and reduces the oil sealing 43 that produces frictional force when shelves leaf 42 rotates in this mounting groove 421.Be equipped with one on the described ear seat 14 and can make described baffle plate 4 rotate the positioning devices of 90 degree, one location, this positioning device comprise at least one with described baffle plate 4 in the magnet piece 44 that is complementary of grade leaf 42.
In addition, described baffle plate 4 can also adopt such structure: baffle plate 4 cross sections are " one " font, and its protruding axle 41 by up and down two ends moulding is articulated in the ear seat 14 of described basic basin 11, and the shelves leaf 42 in the baffle plate 4 is inconsistent with described center beam barrel.Corresponding, be equipped with one on the described ear seat 14 and can make described baffle plate 4 rotate the positioning devices of 180 degree, one location, this positioning device comprise one with described baffle plate 4 in the magnet piece that is complementary of shelves leaf 42.
More specifically, the bottom of the first layer base basin 111 of described pedestal 1 bottom and the first layer independence cavity in the center beam barrel 2 is divided to cooperate and is forced pressing plate and baffle plate to form first order compression set; In the described pedestal 1 in second layer base basin 112 and the center beam barrel 2 bottom of the upper part of second layer independence cavity, first layer independence cavity divide to cooperate and force pressing plate and baffle plate to form second level compression set; The upper part of the second layer independence cavity in the described pedestal 1 in the 3rd layer of basic basin 113 and the center beam barrel 2, the bottom of the 3rd layer of independent cavity are divided to cooperate and are forced pressing plate and baffle plate to form third level compression set; The upper part of the 3rd layer of independent cavity in the described pedestal 1 in the 4th layer of basic basin 114 and the center beam barrel 2 and cover plate 12 cooperate forces pressing plate and baffle plate to form fourth stage compression set.
In the described first order compression set, be provided with a suction tude 7 for external air inlet device on the described basic basin 111, on center beam barrel 2, be provided with the relief opening 61 that runs through first layer independence cavity; In the compression set of the described second level, be provided with the suction port 51 that runs through its first layer independence cavity and the relief opening 62 that runs through its second layer independence cavity on the center beam barrel 2; In the described third level compression set, be provided with the relief opening 63 that runs through its second layer independence cavity and the suction port 52 that runs through its 3rd layer of independent cavity on the described center beam barrel 2; In the described fourth stage compression set, be provided with the suction port 53 that runs through the 3rd layer of independent cavity on the described center beam barrel 2, be provided with steam outlet pipe 8 on the described cover plate 12, steam outlet pipe 8 external caissons.
In addition, the utility model is not limited to only adopt the level Four compression set to consist of, and it can take the circumstances into consideration to adjust as required, namely can adopt according to demand the compression set that level Four is following or level Four is above.
During assembling, described four layers of basic basin 11 correspondence are joined and are formed pedestal 1, wherein, and the otic placode 16 of the basic basin 11 of last layer and ear seat 14 Matching installations of lower one deck base basin 11, the otic placode 15 of lid 12 edge formings and ear seat 14 Matching installations of basic basin 11.Described center beam barrel 2 passes three basic basins 112,113,114 through hole is installed in the pedestal 1, makes and forms a plurality of annular spaces in the pedestal 1.The described pressing plate 3 of forcing closely is fixedly installed on the center beam barrel 2 by its cambered surface 31, and this forces the width of pressing plate 3 width degree and annular space suitable, and it can effectively be compressed the gas in the annular space.Baffle plate 4 is articulated in respectively otic placode 16 and ear seat 14 bottoms by the protruding axle 41 of two ends moulding about it, wherein, a location device is installed also on the ear seat 14, and baffle plate 4 can realize rotating 90 degree, one location or 180 degree, one location by this positioning device.The a plurality of relief openings 6 that arrange on the center beam barrel 2 of pedestal 1 interior installation and suction port 5 are communicated with the toroidal cavity that is formed by center beam barrel 2 and basic basin 11, and wherein, relief opening 6 is communicated with suction port 5 in the next stage compression set in the upper level compression set.Described relief opening 6 places also are provided with the safety check that can control gas unidirectional circulation, make this relief opening 6 only cannot air inlet to give vent to anger.
During work, gas is from suction tude 7 air inlets of pedestal 1 bottom, and flows into described toroidal cavity, rotates to drive through center beam barrel 2 and forces pressing plate 3 to rotate, and cooperate baffle plate 4 work that are installed on the pedestal 1 ear seat 14, realizes the compression to gas.Gas after overcompression holds gas in relief opening 61 enters independently cavity in the center beam barrel 2, enter in the next stage toroidal cavity by the suction port 51 that is communicated with relief opening 61 again, repeat above-mentioned step, gas is held in external caisson through repeatedly compressing.
As shown in Figure 11, be another embodiment of the present utility model, the difference of the present embodiment and above-described embodiment is: center beam barrel 2 is a cylinder, and its surface is not provided with suction port and relief opening.Basic basin 11 in the described pedestal 1 is provided with a suction tude and steam outlet pipe, wherein, suction tude 71 external air inlet systems of bottom base basin 111, its steam outlet pipe 81 external gas holder 91 form first order compression set; The suction tude 72 of the basic basin 112 of the second layer is connected with this gas holder 91, and its steam outlet pipe 82 external another gas holder 92 form second level compression set; The suction tude 73 of the 3rd layer basic basin 113 is connected with this gas holder 92, and its steam outlet pipe 83 external another gas holder 93 form third level compression set; The suction tude 74 of the 4th layer basic basin 114 is connected with this gas holder 93, and its steam outlet pipe 84 external another gas holder 94 form fourth stage compression set.Described steam outlet pipe 81,82,83,84 places are provided with one can control the safety check that gas unidirectional circulates.Described gas holder 91,92,93,94 volume diminish step by step in proportion.Other structure of the present embodiment is consistent with above-described embodiment, gives unnecessary details no longer one by one at this.
During work, after gas flows into first order compression set and compresses, flow to gas holder 91 from its steam outlet pipe 81, enter the upper level compression set through gas holder 91 again, constantly realize the compression of level level, flow at last in the less gas holder 94, under the effect of gas holder, compressed gas storage becomes wind regime and the back pressure of upper level compression in the next stage compression set; Because back pressure can change high pressure into low pressure, evenly the distribution equilibrium powered is forced pressing plate again, make whole compressor operating smooth and easy, and compression effectiveness is fabulous.Gas through overcompression has the advantages that density is large, pressure is large, and it is applicable to some special machinery that needs density is large, pressure is large gas to carry out work.
Certainly, the above only is specific embodiment of the utility model, be not to limit the utility model practical range, all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.
Claims (10)
1. disk air compressing is characterized in that: comprising:
One pedestal (1), the basic basin (11) that this pedestal (1) is differed by at least two layer heights cooperates a cover plate (12) to consist of, wherein, this base basin (11) edge forming has a semicircle ear seat (14) that is connected with its cavity, and a baffle plate (4) is movably installed in this ear seat (14);
One center beam barrel (2), the through hole that this center beam barrel (2) passes the setting of described basic basin (11) bottom is movably installed in the pedestal (1), and forming a toroidal cavity with this base basin (11), described baffle plate (4) is inconsistent with center beam barrel (2) outer surface;
The upper fixed installation of described center beam barrel (2) is useful on the compressed-air actuated pressing plate (3) of forcing, and this forces pressing plate (3) to fall into described toroidal cavity; Basic basin (11) in the described pedestal (1) cooperates center beam barrel (2), forces pressing plate (3), baffle plate (4) forms the multistage compression device.
2. disk air compressing according to claim 1, it is characterized in that: described center beam barrel (2) inside forms the demarcation strip (21) that its inner chamber can be separated into two-layer at least independent cavity, wherein, these several layers independent cavity and the staggered corresponding distribution of the basic basin (11) of pedestal (1), and cooperate described pressing plate (3), the described multistage compression device of baffle plate (4) formation of forcing.
3. disk air compressing according to claim 2, it is characterized in that: the basic basin (111) of bottom is provided with the suction tude (7) for external air inlet device in the described pedestal (1), and the steam outlet pipe (8) for external caisson is installed on described cover plate (12); Described center beam barrel (2) side is provided with suction port (5) and the relief opening (6) of a plurality of connections center beam barrel (2) internal independence cavity and described toroidal cavity.
4. disk air compressing according to claim 1, it is characterized in that: the basic basin (11) in the described pedestal (1) is provided with a suction tude and steam outlet pipe, wherein, be positioned at the external air inlet system of suction tude (71) of the basic basin (111) of bottom, the external gas holder of its steam outlet pipe (81) (91); The suction tude (72) that is positioned at the basic basin (112) of last layer is connected external another gas holder of its steam outlet pipe (82) (92) with this gas holder (91).
5. according to claim 3 or 4 described disk air compressing, it is characterized in that: described basic basin (11) bottom forms the otic placode (16) that the ear seat (14) with its side is complementary, and wherein this otic placode (16) is 90 degree mutually with ear seat (14); Described cover plate (12) edge forming has the otic placode (15) that is complementary with described ear seat (14).
6. disk air compressing according to claim 5, it is characterized in that: described baffle plate (4) cross section is " ten " font, its protruding axle (41) by up and down two ends moulding is articulated in the ear seat (14) of described basic basin (11), and the shelves leaves (42) in the baffle plate (4) are inconsistent with described center beam barrel, wherein, be provided with mounting groove (421) on the shelves leaves (42), fixed installation is useful on and reduces the oil sealing (43) that produces frictional force when shelves leaves (42) rotate in this mounting groove (421).
7. disk air compressing according to claim 6, it is characterized in that: be equipped with one on the described ear seat (14) and can make described baffle plate (4) rotate the positioning devices of 90 degree, one location, this positioning device comprise at least one with described baffle plate (4) in grade magnet piece (44) that leaves (42) are complementary.
8. disk air compressing according to claim 7 is characterized in that: described relief opening and steam outlet pipe are provided with the safety check that can control the gas unidirectional circulation.
9. disk air compressing according to claim 8, it is characterized in that: described baffle plate (4) cross section is "-" font, its protruding axle (41) by up and down two ends moulding is articulated in the ear seat (14) of described basic basin (11), and the shelves leaves (42) in the baffle plate (4) are inconsistent with described center beam barrel.
10. disk air compressing according to claim 9, it is characterized in that: be equipped with one on the described ear seat (14) and can make described baffle plate (4) rotate the positioning devices of 180 degree, one location, this positioning device comprise one with described baffle plate (4) in the magnet piece that is complementary of shelves leaves (42).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220226624 CN202673682U (en) | 2012-05-18 | 2012-05-18 | Disc air compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220226624 CN202673682U (en) | 2012-05-18 | 2012-05-18 | Disc air compressor |
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CN202673682U true CN202673682U (en) | 2013-01-16 |
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CN 201220226624 Expired - Fee Related CN202673682U (en) | 2012-05-18 | 2012-05-18 | Disc air compressor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103423158A (en) * | 2012-05-18 | 2013-12-04 | 吴小冬 | Disc air compressor |
-
2012
- 2012-05-18 CN CN 201220226624 patent/CN202673682U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103423158A (en) * | 2012-05-18 | 2013-12-04 | 吴小冬 | Disc air compressor |
CN103423158B (en) * | 2012-05-18 | 2016-04-20 | 陈燕冬 | Disk air compressing |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150518 |
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EXPY | Termination of patent right or utility model |