CN203730113U - Electromagnetic clutch transmission device - Google Patents
Electromagnetic clutch transmission device Download PDFInfo
- Publication number
- CN203730113U CN203730113U CN201420122066.3U CN201420122066U CN203730113U CN 203730113 U CN203730113 U CN 203730113U CN 201420122066 U CN201420122066 U CN 201420122066U CN 203730113 U CN203730113 U CN 203730113U
- Authority
- CN
- China
- Prior art keywords
- magnet
- dead axle
- electromagnetic clutch
- iron core
- fixed disk
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000853 adhesive Substances 0.000 claims description 34
- 230000001070 adhesive effect Effects 0.000 claims description 34
- 230000002093 peripheral effect Effects 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007257 malfunction Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 4
- 241001075561 Fioria Species 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000258271 Galium odoratum Species 0.000 description 1
- 235000008526 Galium odoratum Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to an electromagnetic clutch transmission device, which aims at providing an electromagnetic clutch transmission device which is simple in structure and capable of reducing the maintenance and manufacturing cost of an electromagnetic fan clutch and reducing the potential malfunction point. The electromagnetic clutch transmission device comprises a main shaft, a driving part and a transmission part, wherein the transmission part comprises a transmission disc, a large sucker disc and a fan fixing tray, the main shaft comprises a fixed shaft and a positioning shaft, which are coaxially arranged, the fixed shaft is separated from the positioning shaft, the driving part is installed on the fixed shaft in a rotating manner, the fixed shaft is also fixedly provided with an iron core part, the transmission disc is fixedly installed on the positioning shaft, the fan fixing tray is installed on the positioning shaft in a rotating manner, the large sucker disc is fixedly installed on the end surface of the fan fixing disc through a resilient sheet, a gap is formed between the large sucker disc and the transmission disc, a gap is formed between the iron core part and the transmission disc, and the driving part is fixedly connected with the transmission disc.
Description
Technical field
The utility model relates to transmission device, particularly relates to a kind of automobile electrical magnetic clutch transmission.
Background technique
Electromagnetic fan clutch is a kind of radiator cooler of vehicle, is arranged in the cooling system of automobile, gives as device coolings such as motor car engines.Electromagnetic fan clutch is realized one-level, secondary or the three-step gear shift of cooling fan by electromagnetic coil principle of induction, thereby reaches the object of saving fuel oil, reducing energy consumption.Electromagnetic fan clutch is installed and can be saved fuel oil, reduce discharge, extend the working life of cooling system, thereby significantly reduced the user cost of vehicle.
Chinese patent CN101672210B discloses a kind of three-speed electromagnetic fan clutch, as shown in Figure 1, mainly by main shaft 1 ', belt pulley 17 ', drive plate 2 ' and forming for the fan fixed disk 7 ' of provided with fan page, belt pulley 17 ' is fixedly mounted on the right-hand member of main shaft 1 ', drive plate 2 ' is fixedly mounted on the middle part of main shaft 1 ' by woodruff key, fan fixed disk 7 ' is rotatably installed in the left end of main shaft 1 ' by bearing, in the cavity of drive plate 2 ', be provided with large electromagnetic core 3 ' and little electromagnetic core 4 ', large electromagnetic core 3 ' and little electromagnetic core 4 ' are fixed in electromagnet, electromagnet is fixedly connected with the upper shell 5 ' that is sleeved on rotationally main shaft 1 ' by two bearings.Drive plate 2 ' is upper is fixed with large adhesive dish 9 ' and little adhesive dish 13 ' by big spring sheet 8 ' and submissile reed 12 ', can be by the adhesive of adhesive dish between fan fixed disk 7 ' and drive plate 2 ', thereby fan fixed disk 7 ' is connected with drive plate 2 ', realizes flexibly connecting or being fixedly connected with of fan fixed disk 7 ' and drive plate 2 '.But need in this electromagnetic fan clutch to carry out connection of rotating part with four bearings, the quantity of bearing is too much, and bearing needs regular grease injection to safeguard, causes high, the potential fault point of this electromagnetic fan clutch maintenance cost too much.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of electromagnetic clutch gearing simple in structure, can reduce the maintenance of electromagnetic fan clutch and manufacture cost, the potential fault point of minimizing.
The utility model electromagnetic clutch gearing comprises main shaft, driver part and transmission part, described transmission part comprises drive plate, large adhesive dish and fan fixed disk, described main shaft comprises dead axle and the positioning shaft of coaxial setting, described dead axle and positioning shaft are separated from each other, described driver part is arranged on dead axle rotationally, on dead axle, be also installed with iron core member, described drive plate is fixedly mounted on positioning shaft, iron core member is between drive plate and driver part, described fan fixed disk is arranged on positioning shaft rotationally, described large adhesive dish is fixedly mounted on by spring sheet on the end face of fan fixed disk, between described large adhesive dish and drive plate, there is gap, between described iron core member and drive plate, there is gap, described driver part is fixedly connected with drive plate.
The utility model electromagnetic clutch gearing, offers mounting groove at the right-hand member of iron core member, and the left end of described dead axle is fixed in mounting groove.
The utility model electromagnetic clutch gearing, wherein said dead axle is hollow shaft, offers outlet translot or outlet cross-drilled hole on dead axle, described outlet translot or outlet cross-drilled hole are communicated with the inner chamber of dead axle.Or on the outer peripheral surface of described dead axle, offer the groove axially arranging along dead axle.The utility model is by offer hole or groove on dead axle, the cable of iron core member can from hole or groove therefore, with respect to prior art, can effectively avoid cable to damage or be wound around.
The utility model electromagnetic clutch gearing, wherein said driver part is belt pulley, and the outer peripheral surface of described belt pulley is provided with V-shaped groove and trough with straight angle, and described trough with straight angle is positioned at a side of V-shaped groove.
The utility model electromagnetic clutch gearing, the right-hand member of wherein said dead axle is fixedly mounted on pedestal, described pedestal comprises cylindrical shell and flange plate, cylindrical shell is fixedly connected on the left end of flange plate, on flange plate, offer the mounting hole being communicated with cylinder bore, described dead axle is through the mounting hole of flange plate and the endoporus of cylindrical shell.
The utility model electromagnetic clutch gearing, wherein said cylindrical shell and flange plate are one-body molded, are provided with annular boss on the outer peripheral surface of described dead axle right-hand member, at the bottom of the hole of the mounting hole that is pressed in flange plate of described boss on.
The utility model electromagnetic clutch gearing, the right-hand member of wherein said drive plate offers iron core receiving groove, and described iron core member is positioned at receiving groove.
The utility model electromagnetic clutch gearing, on wherein said positioning shaft, fixed cover is equipped with magnet fixed disc, the right-hand member of described fan fixed disk offers lifting magnet receiving groove, described magnet fixed disc is positioned at magnet receiving groove, between magnet fixed disc and fan fixed disk, there is gap, on magnet fixed disc, be installed with permanent magnet, position relative with permanent magnet in described fan fixed disk is installed with soft magnet.
The utility model electromagnetic clutch gearing, on wherein said positioning shaft, be set with rotationally magnet fixed disc, the right-hand member of described fan fixed disk offers lifting magnet receiving groove, described magnet fixed disc is positioned at magnet receiving groove, between magnet fixed disc and fan fixed disk, there is gap, on magnet fixed disc, be installed with permanent magnet, position relative with permanent magnet in described fan fixed disk is installed with soft magnet, on magnet fixed disc, be fixedly connected with little adhesive dish by spring sheet, little adhesive dish is positioned at the radially inner side of described large adhesive dish, between little adhesive dish and drive plate, there is gap.
The utility model electromagnetic clutch gearing difference from prior art is that the utility model is by being divided into the main shaft in electromagnetic fan clutch in prior art on two axles separate but that coaxially arrange of dead axle and positioning shaft, driver part is arranged on dead axle rotationally, transmission part is fixedly mounted on positioning shaft, in the time of work, driver part by transmission of power to transmission part, dead axle is to keep motionless simultaneously, because iron core member is fixedly mounted on dead axle, so iron core member can not rotate with respect to dead axle, therefore do not need to arrange separately again bearing.Therefore, the utility model electromagnetic clutch gearing can effectively reduce the usage quantity of bearing with respect to prior art, the maintenance of reduction electromagnetic fan clutch and manufacture cost, the potential fault point of minimizing.
Below in conjunction with accompanying drawing, electromagnetic clutch gearing of the present utility model is described further.
Brief description of the drawings
Fig. 1 is that the master of electromagnetic fan clutch of the prior art looks sectional view;
Fig. 2 is that the utility model electromagnetic clutch gearing embodiment 1 master looks sectional view;
Fig. 3 is that the utility model electromagnetic clutch gearing embodiment 2 master looks sectional view;
Fig. 4 is that the utility model electromagnetic clutch gearing embodiment 3 master looks sectional view.
Embodiment
Embodiment 1
As shown in Figure 2, the utility model electromagnetic clutch gearing comprises main shaft, driver part and transmission part.Main shaft comprises dead axle 11 and the positioning shaft 13 of coaxial setting, and dead axle 11 and positioning shaft 13 are separated from each other, and dead axle 11 is positioned at the right side of positioning shaft 13.Dead axle 11 maintains static, and positioning shaft 13 can rotate.
Dead axle 11 can be fixed on the chassis of automobile, adopts pedestal 70 and automobile chassis to fix in this example.Pedestal 70 comprises cylindrical shell 71 and flange plate 73 two-part, cylindrical shell 71 is fixedly connected on the left end of flange plate 73, on flange plate 73, offer the mounting hole 75 being communicated with cylindrical shell 71 endoporus, the present embodiment middle cylinder body 71 and flange plate 73 are one-body molded, between the outer peripheral surface of cylindrical shell 71 and the left side of flange plate 73, are also along the circumferential direction evenly equipped with some strengthening rib 74.On the outer peripheral surface of dead axle 11 right-hand members, be provided with annular boss 21, dead axle 11 is from right to left through the mounting hole 75 of flange plate 73 and the endoporus of cylindrical shell 71, at the bottom of the hole of the mounting hole that is pressed in flange plate 73 75 of boss 21 on.Dead axle 11 is drive fit with the matching relationship of the mounting hole 75 of flange plate 73 and the endoporus of cylindrical shell 71.The flange plate 73 of pedestal 70 is bolted on automobile chassis.
Driver part is arranged on dead axle 11 rotationally by bearing, in the present embodiment, driver part adopts belt pulley 55, the outer peripheral surface of belt pulley 55 is provided with V-shaped groove 57 and trough with straight angle 59, and trough with straight angle 59 is positioned at a side of V-shaped groove 57, also offers annular chamber on the right side of belt pulley 55.Certainly, driver part also can adopt sprocket wheel or gear etc.On dead axle 11, be also installed with iron core member 51, iron core member 51 is positioned at the left side of belt pulley 55.In the present embodiment, the means of fixation of iron core member 51 is to offer mounting groove 53 at the right-hand member of iron core member 51, and the left end of dead axle 11 inserts in mounting groove 53, adopts interference fit or welding or bolt to connect between the two.
Transmission part comprises drive plate 31, large adhesive dish 33 and fan fixed disk 35.Drive plate 31 is fixedly mounted on the right-hand member of positioning shaft 13 by spline, together with the right-hand member of drive plate 31 is bolted to connection with the left end of belt pulley 55, can be with nutating disk 31 to rotate to realize belt pulley 55.Offer iron core receiving groove 41 at the right-hand member of drive plate 31, iron core member 51 is positioned at iron core receiving groove 41, and the gap width between iron core member 51 and drive plate 31 all can between 0.05-0.2mm.
Fan fixed disk 35 is arranged on positioning shaft 13 rotationally by bearing, and fan fixed disk 35 is positioned at the left side of drive plate 31.Large adhesive dish 33 is fixedly mounted on by spring sheet on the right side of fan fixed disk 35, between large adhesive dish 33 and drive plate 31, has gap, and gap width all can between 0.05-0.2mm.On iron core member 51 with large adhesive dish 33 with respect to position on offer the first coil receiving groove 34 of annular, in the first coil receiving groove 34, be wound with the first coil (not shown).
In the time that the utility model electromagnetic clutch gearing is worked, belt pulley 55 is in transmission connection with motor car engine output shaft, and in the time that radiator temperature does not reach setting temperature, the first coil in iron core member 51 must not be electric, the now servo-actuated rotation of fan fixed disk 35; When the temperature of radiator higher, while reaching setting temperature, the first coil in iron core member 51 obtains electric, the large adhesive dish 33 of iron core member 51 adhesive, fan fixed disk 35 and drive plate 31 are linked together, again because belt pulley 55 is fixedly connected with drive plate 31, so fan fixed disk 35 is with belt pulley full-speed operation, drive fan leaf to rotate at full speed, lower the temperature to radiator.No matter in above-mentioned two kinds of operating modes any, because iron core member 51 and dead axle 11 all do not rotate, therefore between the two, do not need that bearing is set and support, effectively reduced the quantity of bearing, reduced the maintenance of electromagnetic fan clutch and manufacture cost, the potential fault point of minimizing.And main shaft is divided into dead axle and positioning shaft, and bearing is arranged on belt pulley inside, bearing, near clutch core, can reduce moment of flexure, improves bearing life.
Be positioned at the cable outlet of being convenient to iron core member 51, dead axle 11 is set to hollow shaft, and on dead axle 11, offer outlet translot 15 or outlet cross-drilled hole, outlet translot 15 or outlet cross-drilled hole are communicated with the inner chamber 17 of dead axle 11.By the inner chamber 17 of outlet translot 15 or outlet cross-drilled hole and dead axle 11, can be easily by the cable of iron core member 51 from wherein drawing, and because dead axle 11 does not rotate, can effectively avoid cable to damage or be wound around.
Embodiment 2
As shown in Figure 3, the utility model electromagnetic clutch gearing and embodiment's 1 difference is, in the present embodiment, on positioning shaft 13, go back fixed cover magnet fixed disc 23 is housed, the right-hand member of fan fixed disk 35 offers lifting magnet receiving groove 25, magnet fixed disc 23 is positioned at magnet receiving groove 25, between magnet fixed disc 23 and fan fixed disk 35, have gap, gap width all can between 0.05-0.2mm.Magnet fixed disc 23 is positioned at the left side of large adhesive dish 33.On magnet fixed disc 23, be installed with permanent magnet 27, in fan fixed disk 35, the position relative with permanent magnet is installed with soft magnet 29.Permanent magnet 27 and soft magnet 29 are all along the circumferential direction uniform.
By fan fixed disk 35 is set, the first coil in iron core member 51 must not when electricity, because magnet fixed disc is fixedly mounted on positioning shaft, drive plate drives positioning shaft to rotate, magnet fixed disc rotates with positioning shaft, by the mutual adhesive between the soft magnet in permanent magnet and fan fixed disk in magnet fixed disc, can realize the soft drive of fan fixed disk, i.e. the soft drive of fan leaf.
The outlet method of the cable of iron core member 51 is on the outer peripheral surface of dead axle 11, to offer the groove 19 axially arranging along dead axle in the present embodiment, and groove 19 runs through whole dead axle 11, because dead axle does not rotate, and the problem that therefore also there will not be cable clutter to be wound around.
Embodiment 3
As shown in Figure 4, the utility model electromagnetic clutch gearing and embodiment's 1 difference is, in the present embodiment, on positioning shaft 13, be also set with rotationally magnet fixed disc 23 by bearing, the right-hand member of fan fixed disk 35 offers lifting magnet receiving groove 25, magnet fixed disc 23 is positioned at magnet receiving groove 25, between magnet fixed disc 23 and fan fixed disk 35, have gap, gap width all can between 0.05-0.2mm.Magnet fixed disc 23 is positioned at the left side of large adhesive dish 33.On magnet fixed disc 23, be installed with permanent magnet 27, in fan fixed disk 35, the position relative with permanent magnet is installed with soft magnet 29.Permanent magnet 27 and soft magnet 29 are all along the circumferential direction uniform.On magnet fixed disc 23, be also fixedly connected with little adhesive dish 34 by spring sheet, little adhesive dish 34 is positioned at the radially inner side of large adhesive dish 33, between little adhesive dish 34 and drive plate 31, there is gap, gap width all can between 0.05-0.2mm, on iron core member 51, on the position relative with little adhesive dish 34, offer in the second coil receiving groove 36, the second coil receiving grooves 36 of annular and be wound with the second coil (not shown).
In the present embodiment, electromagnetic clutch gearing can realize three fast transmissions.The first speed is that first, second coil all must not be electric, the servo-actuated rotation of fan fixed disk; In second when speed, that the second coil obtains is electric, the first coil must not electricity, and little adhesive dish 34 is pull-in on drive plate 31, and magnet fixed disc 23 is synchronizeed rotations with drive plate 31, and magnet fixed disc 23 is by the permanent magnet soft drive fan fixed disk 35 flexibility rotations on it; When the 3rd speed, the first coil obtains electric, and large adhesive dish 33 is pull-in on drive plate 31, and drive plate 31 drives fan fixed disk 35 to rotate at full speed.What in the present embodiment, magnet fixed disc rotated is arranged on positioning shaft, is fixedly mounted on positioning shaft with respect to magnet fixed disc in embodiment 2, can reduce energy loss.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skill in the art make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (10)
1. an electromagnetic clutch gearing, comprise main shaft, driver part and transmission part, described transmission part comprises drive plate (31), large adhesive dish (33) and fan fixed disk (35), it is characterized in that: described main shaft comprises dead axle (11) and the positioning shaft (13) of coaxial setting, described dead axle (11) and positioning shaft (13) are separated from each other, described driver part is arranged on dead axle (11) rotationally, on dead axle (11), be also installed with iron core member (51), described drive plate (31) is fixedly mounted on positioning shaft (13), iron core member (51) is positioned between drive plate (31) and driver part, described fan fixed disk (35) is arranged on positioning shaft (13) rotationally, described large adhesive dish (33) is fixedly mounted on by spring sheet on the end face of fan fixed disk (35), between described large adhesive dish (33) and drive plate (31), there is gap, between described iron core member (51) and drive plate (31), there is gap, described driver part is fixedly connected with drive plate (31).
2. electromagnetic clutch gearing according to claim 1, is characterized in that: offer mounting groove (53) at the right-hand member of iron core member (51), the left end of described dead axle (11) is fixed in mounting groove (53).
3. electromagnetic clutch gearing according to claim 2, it is characterized in that: described dead axle (11) is hollow shaft, on dead axle (11), offer outlet translot (15) or outlet cross-drilled hole, described outlet translot (15) or outlet cross-drilled hole are communicated with the inner chamber (17) of dead axle (11).
4. electromagnetic clutch gearing according to claim 2, is characterized in that: on the outer peripheral surface of described dead axle (11), offer the groove (19) axially arranging along dead axle (11).
5. according to the electromagnetic clutch gearing described in claim 3 or 4, it is characterized in that: described driver part is belt pulley (55), the outer peripheral surface of described belt pulley (55) is provided with V-shaped groove (57) and trough with straight angle (59), and described trough with straight angle (59) is positioned at a side of V-shaped groove (57).
6. electromagnetic clutch gearing according to claim 5, it is characterized in that: the right-hand member of described dead axle (11) is fixedly mounted on pedestal (70), described pedestal (70) comprises cylindrical shell (71) and flange plate (73), cylindrical shell (71) is fixedly connected on the left end of flange plate (73), on flange plate (73), offer the mounting hole (75) being communicated with cylindrical shell (71) endoporus, described dead axle (11) is through the mounting hole (75) of flange plate (73) and the endoporus of cylindrical shell (71).
7. electromagnetic clutch gearing according to claim 6, it is characterized in that: described cylindrical shell (71) and flange plate (73) are one-body molded, on the outer peripheral surface of described dead axle (11) right-hand member, be provided with annular boss (21), at the bottom of the hole of the mounting hole that is pressed in flange plate (73) (75) of described boss (21) on.
8. electromagnetic clutch gearing according to claim 7, is characterized in that: the right-hand member of described drive plate (31) offers iron core receiving groove (41), and described iron core member (51) is positioned at iron core receiving groove (41).
9. electromagnetic clutch gearing according to claim 8, it is characterized in that: the upper fixed cover of described positioning shaft (13) is equipped with magnet fixed disc (23), the right-hand member of described fan fixed disk (35) offers lifting magnet receiving groove (25), described magnet fixed disc (23) is positioned at lifting magnet receiving groove (25), between magnet fixed disc (23) and fan fixed disk (35), there is gap, on magnet fixed disc (23), be installed with permanent magnet (27), the upper position relative with permanent magnet of described fan fixed disk (35) is installed with soft magnet (29).
10. electromagnetic clutch gearing according to claim 8, it is characterized in that: on described positioning shaft (13), be set with rotationally magnet fixed disc (23), the right-hand member of described fan fixed disk (35) offers lifting magnet receiving groove (25), described magnet fixed disc (23) is positioned at magnet receiving groove (25), between magnet fixed disc (23) and fan fixed disk (35), there is gap, on magnet fixed disc (23), be installed with permanent magnet (27), the upper position relative with permanent magnet of described fan fixed disk (35) is installed with soft magnet (29), above be fixedly connected with little adhesive dish (34) by spring sheet at magnet fixed disc (23), little adhesive dish (34) is positioned at the radially inner side of described large adhesive dish (33), between little adhesive dish (34) and drive plate (31), there is gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122066.3U CN203730113U (en) | 2014-03-18 | 2014-03-18 | Electromagnetic clutch transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122066.3U CN203730113U (en) | 2014-03-18 | 2014-03-18 | Electromagnetic clutch transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730113U true CN203730113U (en) | 2014-07-23 |
Family
ID=51200193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420122066.3U Expired - Lifetime CN203730113U (en) | 2014-03-18 | 2014-03-18 | Electromagnetic clutch transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925064A (en) * | 2014-03-18 | 2014-07-16 | 龙口中宇热管理系统科技有限公司 | Electromagnetic clutch transmission device |
-
2014
- 2014-03-18 CN CN201420122066.3U patent/CN203730113U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925064A (en) * | 2014-03-18 | 2014-07-16 | 龙口中宇热管理系统科技有限公司 | Electromagnetic clutch transmission device |
| CN103925064B (en) * | 2014-03-18 | 2016-04-20 | 龙口中宇热管理系统科技有限公司 | Electromagnetic clutch gearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |