CN203189115U - Stator press fitting structure and compressed gas bypass valve comprising same - Google Patents
Stator press fitting structure and compressed gas bypass valve comprising same Download PDFInfo
- Publication number
- CN203189115U CN203189115U CN2013202060370U CN201320206037U CN203189115U CN 203189115 U CN203189115 U CN 203189115U CN 2013202060370 U CN2013202060370 U CN 2013202060370U CN 201320206037 U CN201320206037 U CN 201320206037U CN 203189115 U CN203189115 U CN 203189115U
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- stator
- bobbin
- convex rib
- rib structure
- inwall
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model relates to a stator press fitting structure and a compressed gas bypass valve comprising the stator press fitting structure. The stator press fitting structure comprises a wire spool (5), a convex rib structure (501) and a first stator (10), wherein the convex rib structure (501) protrudes out of a wire spool inner wall (502) and extends in the extending direction of the wire spool (5), the first stator (10) comprises a first structure part (101) and a second structure part (102), the first structure part (101) is in transition connection with the convex rib structure (501) on the wire spool inner wall (502), and the second structure part (102) is in interference connection with the wire spool inner wall (502). The stator press fitting structure has the advantages that on the premise that the machining cost is not changed, the machining difficulty of the size accuracy of the wire spool is lowered, and meanwhile the stator and the wire spool are connected together more easily in a press fitting mode.
Description
Technical field
The utility model relates to mechanical field, relate in particular to a kind of press mounting structure of stator and comprise this structure, be used for the pressurized gas bypass valve on the turbosupercharged engine.
Background technique
At present, in motor and machinery valve technical field, between stator and the bobbin by the press-fit approach of complete interference realize between the two be connected and fastening, this connection and fastening mode are owing to long being not easy to of interference length between stator and the bobbin directly press-fits between the two; Simultaneously, need propose higher requirement to the bobbin size precision because interference length is long, and then the processing of bobbin is had higher requirement, thereby increase difficulty and the cost processed.So, as how easy, efficient and cheaply mode realize stator in the pressurized gas bypass valve and the connection between the bobbin, be the problem that needs solve.
The model utility content
The problem that the utility model solves has provided the press mounting structure between a kind of stator and the bobbin, and the pressurized gas bypass valve that comprises this press mounting structure, and this press mounting structure has reduced the difficulty that press-fits between stator and the bobbin under the prerequisite that does not increase cost.
In order to address the above problem, the stator press-loading structure that the utility model provides comprises: bobbin; Convex rib structure, this convex rib structure are raised in the inwall of bobbin and the axial direction of axle along the line extends; First stator, this first stator comprises first structural portion and second structural portion, and first structural portion is connected with convex rib structure transition on the bobbin inwall, and second structural portion is connected with the interference of bobbin inwall.
Further, the utility model also provides a kind of pressurized gas bypass valve that comprises the said stator press mounting structure, this pressurized gas bypass valve also comprises: movable spool, this movable spool comprises valve head and the armature that floats and to be connected with this valve head, and described armature has hollow-core construction and be provided with vent in described armature; First stator is arranged on the top of armature, and second stator of ring-type arranges around this armature; Be used for described valve head is biased into the elastic member of non-actuated position; Periphery at described armature is equipped with axle sleeve, and described axle sleeve is used for the motion channeling conduct to described armature; Bobbin surrounds described axle sleeve at least in part, is arranged with sleeve between described axle sleeve and the bobbin, and coil is reeled and is arranged on the described bobbin; Surround the shell of coil, described shell and described coil constitute fully closed structure.
Compared with prior art, the press mounting structure in the utility model has following advantage: under the prerequisite that does not change processing cost, reduced the difficulty of processing of bobbin size precision, made simultaneously that stator and bobbin are easier to link together by the mode that press-fits.
Description of drawings
Fig. 1 is the utility model embodiment's bobbin and the structural representation of the convex rib structure on the bobbin inwall;
Fig. 2 is the structural representation of the utility model embodiment's first stator structure;
Fig. 3 is the press mounting structure schematic representation after first stator shown in the utility model Fig. 1 and Fig. 2 and bobbin press-fit;
Fig. 4 is the enlarged diagram of local A among the utility model Fig. 3;
Fig. 5 is the schematic representation of the utility model embodiment's the distribution mode of a kind of convex rib structure on the bobbin inwall;
Fig. 6 is the schematic representation of the utility model embodiment's the distribution mode of another convex rib structure on the bobbin inwall;
Fig. 7 is the schematic representation of the arc length of height, the convex rib structure bottom of the utility model embodiment's convex rib structure and bobbin inwall intersection;
Fig. 8 is the combination schematic representation between each parts of pressurized gas bypass valve of the utility model embodiment;
Fig. 9 is the utility model embodiment's the free height of compression spring and the semi-section schematic representation of mean diameter of coil.
Embodiment
Describe below with reference to accompanying drawings according to embodiment's of the present utility model stator press-loading structure and the pressurized gas bypass valve that comprises this structure.In the following description, many details have been set forth in order to make the person of ordinary skill in the field more fully understand the utility model.But, be apparent that for the technician in the affiliated technical field realization of the present utility model can not have some in these details.In addition, should be understood that the specific embodiment that the utility model is not limited to introduce.On the contrary, can consider to implement the utility model with the combination in any of following feature and key element, and no matter whether they relate to different embodiments.Therefore, following aspect, feature, embodiment and advantage for illustrative purposes only usefulness and should not be counted as key element or the restriction of claim, unless clearly propose in the claims.
Use turbosupercharged engine in the motor vehicle in modern times day by day in large quantities, the motor that namely has turbosupercharger is to improve efficiency.In turbosupercharged engine, promote turbosupercharger by exhaust and be arranged on turbo machine in the gas exhaust piping, make the air compressor that is connected with turbo machine that air inlet is implemented to compress simultaneously.The compressed air intercooler of compressed air (hereinafter to be referred as pressurized air) arrives closure, burns thereby enter in the engine cylinder.Simultaneously, can be provided with a pressurized gas return line in parallel with air compressor in pressurized air intercooler upstream, so that compressed gas can be back to the entrance of air compressor from the outlet of air compressor.The backflow of pressurized gas can prevent the air-flow surge, thereby prevents the damage to turbine blade that the shake by surge causes; In addition, the backflow of pressurized gas can also allow turbine to be rotated further to reduce hysteresis and the protection closure of turbine when accelerating.
The backflow of above-mentioned pressurized gas realizes by the pressurized gas bypass valve is set in the pressurized gas return line.When the pressurized gas bypass valve was not energized, the pressurized gas bypass valve cut out return line.In this case, the compressed air intercooler of pressurized air, closure, intake manifold enter in the cylinder.When the pressurized gas bypass valve was energized, the pressurized gas bypass valve was opened return line, and pressurized air can be back to the inlet end of air compressor by the pressurized gas bypass valve.Last stator in the existing pressurized gas bypass valve (first stator) and bobbin are to be press fit into together by the interference ways of connecting, the difficulty that causes press-fiting owing to interference length is long so often, in addition, the long raising that also can cause the bobbin size required precision of interference length has increased the difficulty in the processing.Below each embodiment a kind of new last stator and press mounting structure and the press-fit approach of bobbin are provided.
Fig. 1 is the utility model embodiment's bobbin and the structural representation of the convex rib structure on the bobbin inwall, as shown in Figure 1, bobbin 5 is shown in pressurized gas bypass valve 1(Fig. 8) in a structure, among this figure, the convex rib structure 501(that this bobbin 5 comprises bobbin inwall 502 and is machined in the projection on the bobbin inwall 502 is for the ease of understanding and explanation, and this figure just schematically shows 3 convex rib structures).In order to realize shown in first stator 10(Fig. 2) and bobbin 5 between press-fit, first structural portion, 101 transition of first stator 10 among the convex rib structure 501 among this figure and Fig. 2 are connected, and second structural portion, 102 interference of first stator 10 among the bobbin inwall 502 among this figure and Fig. 2 are connected.
Fig. 2 is the structural representation of the utility model embodiment's first stator structure, and as shown in Figure 2, this first stator 10 is shown in pressurized gas bypass valve 1(Fig. 8) in a structure, be also referred to as stator.In this figure, first stator 10 includes 2 structural portion, first structural portion 101 and second structural portion 102, and wherein the diameter of first structural portion 101 is less than the diameter of second structural portion 102; And in pressurized gas bypass valve inside, first structural portion 101 is connected with convex rib structure 501 transition among Fig. 1, and second structural portion 102 is connected with bobbin inwall 502 interference among Fig. 1, thereby realizes press-fiting between first stator 10 and the bobbin 5.
Fig. 3 is the press mounting structure schematic representation after first stator shown in the utility model Fig. 1 and Fig. 2 and bobbin press-fit, and as shown in Figure 3, this press mounting structure comprises: first stator 10 shown in Fig. 2, the bobbin structure 5 shown in Fig. 1.First stator 10 comprises first structural portion 101 and second structural portion 102, and wherein, the diameter of first structural portion 101 is less than the diameter of described second structural portion 102; Be formed with convex rib structure 501 on the bobbin inwall 502 of bobbin 5, this convex rib structure 501 is raised in the inwall 502 of bobbin and the axial direction of axle 5 along the line extends, but this convex rib structure 501 only is positioned at the axial middle part of described bobbin inwall 502 and does not extend to the axial two ends of bobbin inwall 502.In the press mounting structure of this figure, the press mounting structure that first stator 10 and bobbin 5 add interference by transition being fitted in together tightly, concrete: shown in this figure left and right sides, connect for transition between first structural portion 101 of first stator 10 and the convex rib structure 501 on the bobbin inwall, the right side is by label (101 in this figure, 501) mode is illustrated, the corresponding portion in left side also is that same transition connects (not label signal among this figure), connect for interference between second structural portion 102 of first stator 10 and the bobbin inwall 502, the right side is by label (102 in this figure, 502) mode illustrates that (not having the extension of convex rib structure 501 herein), left side correspondence portion also are that same interference connects (not label signal among this figure).
Further, in the press mounting structure shown in Fig. 3, the quantity of the convex rib structure 501 on the bobbin inwall 502 is more than or equal to 2, and convex rib structure 501 is spaced apart from each other along the circumferential direction of described bobbin inwall 502.Concrete, when the quantity of the convex rib structure 501 on the bobbin inwall 502 is 2, these 2 convex rib structures can be distributed on the bobbin inwall 502 in opposite directions, and extend the middle part (not extending to the axial two ends of bobbin inwall 502) of bobbin inwall 502 along the axial direction of bobbin inwall 502; When the quantity of the convex rib structure 501 on the bobbin inwall 502 is 3, then these 3 convex rib structures extend the middle part (not extending to the axial two ends of bobbin inwall 502) of bobbin inwall 502 and the triangle of forming perpendicular to the line between these 3 convex rib structures on the plane of convex tendon that is shaped as along the axial direction of bobbin inwall 502, be preferably equilateral triangle, as shown in Figure 5; When the quantity of the convex rib structure 501 on the bobbin inwall 502 is 4, then these 4 convex rib structures extend the middle part (not extending to the axial two ends of bobbin inwall 502) of bobbin inwall 502 and the quadrilateral of forming perpendicular to the line between these 4 convex rib structures on the plane of convex tendon that is shaped as along the axial direction of bobbin inwall 502, be preferably rectangle, as shown in Figure 6.
More detailed, Fig. 4 is the enlarged diagram of local A among the utility model Fig. 3, as shown in Figure 4, constitute the convex rib structure 501 of projection on the bobbin inwall 502 of bobbin 5, this convex rib structure 501 is positioned at the middle part of bobbin inwall 502 and extends along the bobbin axial direction, but does not extend to the two ends of bobbin 5; Stator 10 includes the diameter of first structural portion 101 and second structural portion, 102, the first structural portion 101 less than second structural portion 102; First structural portion 101 is connected with convex rib structure 501 interference, and second structural portion 102 is connected with 502 transition of bobbin inwall.This figure only is the enlarged diagram of the partial structurtes under the convex rib structure situation, when on the bobbin inwall 502 many convex rib structures 501 being arranged, 101 of first structural portion of first stator 10 are connected with 501 transition of many convex rib structures respectively, and 102 of second structural portion of first stator 10 are connected with 502 interference of bobbin inwall.
Further, as shown in Figure 7, convex rib structure 501 shown in Fig. 1,3,4,5 and 6 is the arc-shaped convex on the bobbin inwall 502, the maximum height of the projection of convex rib structure 501 extensions axles 5 radial direction is H, the arc length of the bottom of described convex rib structure 501 and bobbin inwall 502 intersection is I, wherein, the proportionate relationship of H and I is for being less than or equal to 0.5, i.e. H/I≤0.5.
Fig. 8 is the combination schematic representation between each parts of pressurized gas bypass valve of the utility model embodiment, and this pressurized gas bypass valve includes Fig. 1 to stator shown in Figure 7 and bobbin and corresponding press mounting structure.As shown in Figure 8, pressurized gas bypass valve 1 comprises movable spool and is used for movable spool is biased into the elastic member 4 of non-actuated position, this movable spool comprises valve head 2 and armature 3, valve head 2 can directly float with armature 3 and be connected, wherein valve head 2 can float by the ball structure of floating with armature 3 and be connected, this ball structure should be the projection of valve head 2 relative armature 3 one sides, perhaps valve head 2 and armature 3 can pass through bearing device, for example DGBB bearing (deep groove ball bearing) floats and connects, the DGBB bearing is connected with valve head 2 buckles, the DGBB bearing press-fits with armature 3 interference and is connected, can realize the relative unsteady of valve head 2 and armature 3 by the play of adjusting the DGBB bearing, perhaps valve head 2 floats in the buckle mode with armature 3 and is connected, particularly, valve head 2 can float in the buckle mode by means of bowl-type link (not shown) with armature 3 and be connected, the periphery of bowl-type link is connected to valve head 2, and the central authorities of bowl-type link have through hole, and armature 3 is connected in this through hole.This elastic member 4 for example is spiral compression spring.When 1 outage of pressurized gas bypass valve, this valve 2 is being pressed in downwards on the valve seat (not shown) under the effect of gravity and elastic member 4, thereby the gas passageway is closed.
Periphery at armature 3 is equipped with axle sleeve 7, utilizes this axle sleeve 7 as the guide structure of armature 3 motions.
Pressurized gas bypass valve 1 also comprises the bobbin 5 that surrounds axle sleeve 7 at least in part.Coil 6 is reeled and is arranged on the bobbin 5.Between axle sleeve 7 and bobbin 5, be set with a sleeve 8.
In addition, comprise that also the first stator 10(that is arranged on armature 3 tops goes up stator) and the second stator 11(of the ring-type that arranges around this armature under stator), each stator is made by permeability magnetic material.
When pressurized gas bypass valve 1 is energized, form magnetic circuit by first stator 10, second stator 11, armature 3, under the electromagnetic force effect that coil 6 produces, armature 3 moves up, and drives simultaneously on the valve head 2 and moves, and makes the gas passageway open-minded thereby pressurized gas bypass valve 1 is opened.
Pressurized gas bypass valve 1 also comprises shell 16, the covering piece installing 17 of surrounding shell 16 of surrounding coil 6 and the guard shield 18 that centers on valve head 2.Preferably, shell 16 is made to strengthen magnetic force and is constituted fully closed loop construction jointly with coil 6 by permeability magnetic material.Be provided with Sealing, for example O type circle 19 for sealing outside between package 17 and the guard shield 18.Between guard shield 18 and valve head 2, be provided with Sealing, for example V-type ring 21.
Pressurized gas bypass valve 1 also comprises for the electronic parts and components 9 that absorb pulse energy.The arranging of electronic parts and components 9 that absorbs pulse energy can be protected valve body not to be subjected to external voltage sudden change, for example pulse etc. and damage.In addition, the electronic parts and components 9 that absorb pulse energy can absorb the energy that is produced by valve body, and protection client feeder ear is not damaged and satisfies automobile industry EMC requirement.
In the preferred implementation based on pressurized gas bypass valve shown in Figure 8, bobbin 5 includes bobbin inwall 502 and is machined in the convex rib structure 501 of the projection on the bobbin inwall 502, this convex rib structure 501 is raised in the inwall 502 of bobbin and the axial direction of axle 5 along the line extends, but this convex rib structure 501 only is positioned at the axial middle part of described bobbin inwall 502 and does not extend to the axial two ends of bobbin inwall 502; First stator 10 includes 2 structural portion, first structural portion 101 and second structural portion 102, and wherein the diameter of first structural portion 101 is less than the diameter of second structural portion 102.In order to realize press-fiting between first stator 10 and the bobbin 5, first structural portion, 101 transition of convex rib structure 501 and first stator 10 are connected, and second structural portion, 102 interference of bobbin inwall 502 and first stator 10 are connected.
Further, the quantity of the convex rib structure 501 on the bobbin inwall 502 is more than or equal to 2, and convex rib structure 501 is spaced apart from each other along the circumferential direction of described bobbin inwall 502.Concrete, when the quantity of the convex rib structure 501 on the bobbin inwall 502 is 2, these 2 convex rib structures are preferably being distributed on the bobbin inwall 502 in opposite directions, and extend the middle part (not extending to the axial two ends of bobbin inwall 502) of bobbin inwall 502 along the axial direction of bobbin inwall 502; When the quantity of the convex rib structure 501 on the bobbin inwall 502 is 3, then these 3 convex rib structures extend the middle part (not extending to the axial two ends of bobbin inwall 502) of bobbin inwall 502 and at the triangle of forming perpendicular to the line between these 3 convex rib structures on the plane of convex tendon that is shaped as, are preferably equilateral triangle (as shown in Figure 5) along the axial direction of bobbin inwall 502; When the quantity of the convex rib structure 501 on the bobbin inwall 502 is 4, then these 4 convex rib structures extend the middle part (not extending to the axial two ends of bobbin inwall 502) of bobbin inwall 502 and at the rectangle of forming perpendicular to the line between these 4 convex rib structures on the plane of convex tendon that is shaped as, are preferably square (as shown in Figure 6) along the axial direction of bobbin inwall 502.
Further, referring to shown in Figure 7, convex rib structure 501 shown in Fig. 8 is the arc-shaped convex on the bobbin inwall 502, the maximum height of the projection of convex rib structure 501 extensions axles 5 radial direction is H, the arc length of the bottom of described convex rib structure 501 and bobbin inwall 502 intersection is I, wherein, the proportionate relationship of H and I is for being less than or equal to 0.5, i.e. H/I≤0.5.
Further, elastic member shown in Fig. 84 is the compression spring, and the top of this compression spring 4 is enclosed within the outside of described sleeve 8 and is resisted against the bottom of second stator 11, and the bottom of this compression spring is around armature 3 and be resisted against the inside of valve head 2.In addition, the free height of this compression spring and the ratio of this mean diameter of coil are smaller or equal to 5, referring to (Fig. 9 be the utility model embodiment's the free height of compression spring and the semi-section schematic representation of mean diameter of coil) shown in Figure 9, the free height value of compression spring is H0, the mean diameter of coil size is that D0(Fig. 9 is owing to be semi-section, so the right half part of spring and mean diameter of coil D0 does not illustrate), then compress the middle footpath of spring free height and compression spring and satisfy following relation: H0/D0≤5, wherein, the compression mean diameter of coil is defined as compression spring external diameter size with the mean value after big or small addition in the compression spring, that is: compression mean diameter of coil size=(compression spring external diameter size+compression spring inside diameter size)/2.
Though the utility model discloses as above with preferred embodiment, the utility model is not to be defined in this.Any those skilled in the art, various changes and the modification done in not breaking away from spirit and scope of the present utility model all should be included in the protection domain of the present utility model, and therefore protection domain of the present utility model should be as the criterion with claim institute restricted portion.
Claims (15)
1. a stator press-loading structure is characterized in that, comprising:
Bobbin (5);
Convex rib structure (501), this convex rib structure (501) are raised in bobbin inwall (502) and extend along the axial direction of bobbin (5);
First stator (10), this first stator (10) comprises first structural portion (101) and second structural portion (102), first structural portion (101) is connected with convex rib structure (501) transition on the bobbin inwall (502), and second structural portion (102) is connected with bobbin inwall (502) interference.
2. stator press-loading structure according to claim 1 is characterized in that, the quantity of described convex rib structure (501) is at least 2.
3. stator press-loading structure according to claim 2 is characterized in that, the quantity of described convex rib structure (501) is 3.
4. stator press-loading structure according to claim 2 is characterized in that, the quantity of described convex rib structure (501) is 4.
5. stator press-loading structure according to claim 2 is characterized in that, described convex rib structure (501) is spaced apart from each other along the circumferential direction of described bobbin inwall (502).
6. stator press-loading structure according to claim 3 is characterized in that, when the quantity of described convex rib structure (501) is 3, and the equilateral triangle of forming perpendicular to the line between 3 convex rib structures on the plane of convex tendon that is shaped as.
7. stator press-loading structure according to claim 4 is characterized in that, when the quantity of described convex rib structure (501) is 4, on the plane perpendicular to convex tendon, prolongs the rectangle that is shaped as that clockwise direction order line forms between 4 convex rib structures.
8. stator press-loading structure according to claim 1 is characterized in that, described convex rib structure (501) is the arc-shaped convex on the bobbin inwall (502).
9. stator press-loading structure according to claim 8, it is characterized in that, the maximum height of the projection of described convex rib structure (501) extensions axle (5) radial direction is H, the arc length of the intersection of the bottom of described convex rib structure (501) and bobbin inwall (502) is I, wherein, the proportionate relationship of H and I is: H/I≤0.5.
10. stator press-loading structure according to claim 1 is characterized in that, the diameter of described first structural portion (101) is less than the diameter of described second structural portion (102).
11. stator press-loading structure according to claim 1 is characterized in that, described convex rib structure (501) is positioned at the axial middle part of described bobbin inwall (502), and does not extend to the axial two ends of described bobbin inwall (502).
12. a pressurized gas bypass valve that comprises the arbitrary described stator press-loading structure of claim 1 to 11 is characterized in that, this pressurized gas bypass valve also comprises:
Movable spool, this movable spool comprise valve head (2) and the armature (3) that floats and to be connected with this valve head (2), and described armature (3) has hollow-core construction and be provided with vent (20) in described armature (3);
First stator (10) is arranged on the top of armature (3), and second stator (11) of ring-type arranges around this armature;
Be used for described valve head (2) is biased into the elastic member (4) of non-actuated position;
Periphery at described armature (3) is equipped with axle sleeve (7), and described axle sleeve (7) is used for the motion channeling conduct to described armature (3);
Bobbin (5) surrounds described axle sleeve (7) at least in part, is arranged with sleeve (8) between described axle sleeve (7) and the bobbin (5), and coil (6) is reeled and is arranged on the described bobbin (5);
Surround the shell (16) of coil, described shell (16) constitutes fully closed structure with described coil (6).
13. pressurized gas bypass valve according to claim 12, it is characterized in that, the top of described elastic member (4) is enclosed within the outside of described sleeve (8) and is resisted against the bottom of second stator (11), and the bottom of described elastic member (4) is around armature (3) and be resisted against the inside of valve head (2).
14. pressurized gas bypass valve according to claim 13 is characterized in that, described elastic member (4) is the compression spring.
15. pressurized gas bypass valve according to claim 14 is characterized in that, the ratio of the free height of described compression spring and this compression mean diameter of coil is smaller or equal to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202060370U CN203189115U (en) | 2013-04-23 | 2013-04-23 | Stator press fitting structure and compressed gas bypass valve comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202060370U CN203189115U (en) | 2013-04-23 | 2013-04-23 | Stator press fitting structure and compressed gas bypass valve comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189115U true CN203189115U (en) | 2013-09-11 |
Family
ID=49105981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202060370U Expired - Lifetime CN203189115U (en) | 2013-04-23 | 2013-04-23 | Stator press fitting structure and compressed gas bypass valve comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189115U (en) |
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2013
- 2013-04-23 CN CN2013202060370U patent/CN203189115U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 241009 Anhui province Wuhu Lake Economic and Technological Development Zone No. 27 North Road Patentee after: WeiPai automotive electronics (Wuhu) Co.,Ltd. Address before: 241009 Anhui province Wuhu Lake Economic and Technological Development Zone No. 27 North Road Patentee before: Continental automotive electronics (Wuhu) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
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| CX01 | Expiry of patent term |