CN102606275A - Electromagnetic fan clutch with opposite iron cores - Google Patents
Electromagnetic fan clutch with opposite iron cores Download PDFInfo
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- CN102606275A CN102606275A CN2012100903875A CN201210090387A CN102606275A CN 102606275 A CN102606275 A CN 102606275A CN 2012100903875 A CN2012100903875 A CN 2012100903875A CN 201210090387 A CN201210090387 A CN 201210090387A CN 102606275 A CN102606275 A CN 102606275A
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Abstract
The invention relates to an electromagnetic fan clutch with opposite iron cores in transmitting rotating motion and aims at providing the electromagnetic fan clutch which is provided with a totally novel structure and composed of an electromagnetic iron core device with a totally novel structure for a clutch. The electromagnetic fan clutch comprises iron core grooves (12 and 13) arranged on an electromagnetic iron core body (11) in the axially opposite direction. A first suction gap (841) and a second suction gap (842) are respectively arranged on two sides of the opposite electromagnetic iron core body (11).
Description
Technical field
The present invention relates to have the clutch of conveying rotary motion, particularly relate to electromagnetic fan clutch with electromagnetic core.
Background technique
To the present invention, those skilled in the art can be with reference to the Chinese patent document, and denomination of invention is " electromagnetic fan clutch of high-power heavy strong force for vehicle soft drive ", and publication number is the patent text of " CN101968004A ".
To the present invention, those skilled in the art can also be with reference to what be proposed by the claimant, and the applying date is on December 07th, 2010; Application number is 201010588608.2, and denomination of invention is the one Chinese patent application of " a kind of automobile electromagnetic fan clutch ", and the applying date is on December 07th, 2010; Application number is 201020659237.8; Denomination of invention is the one Chinese patent application of " a kind of automobile electromagnetic fan clutch ", and the applying date be on December 27th, 2010, application number is 201010621450.4; Denomination of invention is the one Chinese patent application of " magnet fixed disc that has whirlwind heat radiation fan blade "; And the applying date be on December 27th, 2010, application number is 201020697219.9, denomination of invention is the one Chinese patent application of " magnet fixed disc that has whirlwind heat radiation fan blade ".
To the present invention, those skilled in the art can also be with reference to what be proposed by the claimant, and open day is on March 17th, 2010, and publication number is CN101672210A, and denomination of invention is the related content of the application for a patent for invention of " three-speed electromagnetic fan clutch ".
Because a variety of causes is in existing clutch, particularly in such as aforementioned various automobile electromagnetic fan clutches of giving an example; The volume that exists electromagnetic fan clutch and each constituent elements and device is excessive; Poor stability, manufacture cost is higher, many shortcomings that the life-span is lower.
Particularly, in the manufacture process of electromagnetic fan clutch, the traditional electrical magnetic core often adopts like the form among Fig. 1 of the present invention's record..At first go out electromagnetic core body 1 ' with die casting, it has one or more openings all towards the circular groove 2 ', 3 ' of iron core body 1 ' the same side, in circular groove 2 ', 3 ', places corresponding electromagnetic coil 7 ', 8 ' thereafter.Described electromagnetic coil 7 ', 8 ' has paired Outlet 9 ', 10 ', 11 ', 12 ' respectively; Then can be through passing such as on described single annular friction sheet, going out in the corresponding paired fairlead 16 ' with described Outlet; Inwardly offer corresponding lead-in wire groove according to the random site of said each fairlead 16 ' adaptively along said friction plate radial direction then; So that said lead end is inserted the relevant position; For example, live axle is inner, and said lead end finally is extended and is linked in the corresponding power supply circuits.Described single annular friction sheet 13 ' is fixed on the sidewall ora terminalis 6 ' of corresponding said circular groove opening through some spot welding at last again, that is to say, said annular friction sheet 13 ' covers said sidewall ora terminalis 6 ' fully.The through hole 14 ' of described single annular friction sheet greater than the excircle of electromagnetic core through hole 4 ' and corresponding upper shield above that.
Thereby the actual requirement that aforesaid electromagnetic core is offset a part of electromagnetic force and needed to adopt bigger coil to satisfy the magnetic clutch in the use owing to the phase mutual interference meeting of described electromagnetic coil causes own vol and size all bigger.Simultaneously, cause long-time friction to use the back to produce stress and fatigue owing on friction plate, offering fairlead or groove, and cause slit or crackle, thereby reduce the life-span of friction plate and whole magnetic clutch.In addition, this kind form and structure cause its material therefor more, and manufacture cost is high, has a lot of manual factors in the process portion, is unfavorable for mass production and becomes more meticulous processing.
Summary of the invention
The objective of the invention is, a kind of electromagnetic fan clutch of brand new is provided.
Electromagnetic fan clutch of the present invention is included in the iron core slot that is provided with dorsad each other vertically on the electromagnetic core body.
Electromagnetic fan clutch of the present invention also comprises, the friction plate that on said iron core slot, is provided with dorsad each other.
Electromagnetic fan clutch of the present invention also comprises, the coil that is provided with dorsad each other that in said iron core slot, holds.
Aforementioned each technical characteristics has further reduced the size of fan clutch, and further saves materials being fabricated.
Electromagnetic fan clutch of the present invention, each of said coil only have terminal from the iron core through hole of said iron core body, to draw.
Electromagnetic fan clutch of the present invention, the bonding end of said coil directly is connected with said iron core body.
Electromagnetic fan clutch of the present invention, described terminal and bonding end all are positioned at the same side of said iron core body.
Aforementioned each technical characteristics has further reduced the size of fan clutch, and further saves materials being fabricated, makes wire structures more reasonable.
Electromagnetic fan clutch of the present invention, said iron core slot comprise first circular groove and second circular groove.
Electromagnetic fan clutch of the present invention, said iron core slot comprise first square groove and second square groove.
Electromagnetic fan clutch of the present invention, described friction plate comprise big friction plate of annular and annular friction sheet, and the big friction plate of said annular is connected in the said first circular groove opening, and said annular friction sheet is connected in the second circular groove opening.
Aforementioned each technical characteristics has further reduced the fan clutch size, and further saves materials being fabricated, makes that the fan clutch structure is more reasonable.
Electromagnetic fan clutch of the present invention, each of described iron core slot has the enhancing line at the opening end madial wall.
Electromagnetic fan clutch of the present invention, the depth of section of described enhancing line are 0.1 millimeter to 5 millimeters.
Aforementioned each technical characteristics has further improved the bulk strength and the durability of fan clutch.
Electromagnetic fan clutch of the present invention, the bottom end of described second circular groove is provided with first groove, the first half grooves, the second half grooves, the 3 half groove, first through hole, second through hole, third through-hole, fourth hole.
Aforementioned each technical characteristics has further reduced size, and further saves materials being fabricated, makes wire structures more reasonable.
Electromagnetic fan clutch of the present invention, described third through-hole has first bucking ladder, and said second through hole has second bucking ladder.
Aforementioned each technical characteristics has further improved the durability of fan clutch integral body and the adhesive strength of lead end.
The production method of opposed type iron core of the present invention is included in the iron core slot that directly stretches and be provided with dorsad each other on the iron core body.
Aforementioned each technical characteristics makes that the technological method of fan clutch is simple, saves operation, saves materials, makes to create possibility on a large scale.
Electromagnetic fan clutch of the present invention, the both sides of described opposed type electromagnetic core device have the first adhesive gap and the second adhesive gap respectively.
In the iron core apparatus both sides adhesive gap is set respectively, has improved radiating efficiency, make the clutch size be able to further dwindle.
Electromagnetic fan clutch of the present invention, each terminal of said coil are drawn from the lead-in wire groove of main shaft.
Electromagnetic fan clutch of the present invention, said lead-in wire groove is a plurality of and symmetrical.
Electromagnetic fan clutch of the present invention, said main shaft has two stages.
Electromagnetic fan clutch of the present invention, described main shaft are the tubular part of hollow.
Electromagnetic fan clutch of the present invention; Comprise that said drive plate left side tightly fits in the fan fixed disk bearing on the said main shaft; Drive fit fan fixed disk on the outer ring of said fan fixed disk bearing; Install second axle sleeve near said fan fixed disk bearing left side drive fit on said main shaft, said fan fixed disk left side is connected to big spring sheet and big adhesive dish, and the iron core through hole of said electromagnetic core device tightly fits on the said main shaft and is close to the left side of said second axle sleeve; Be equiped with fastening cover rigid bearing near described electromagnetic core device left side drive fit on said main shaft; Its outer ring drive fit is installed fastening cover, also is equiped with submissile reed and little adhesive dish on the described fastening cover successively, and said fastening cover rigid bearing is held by the fastener hole of said fastening cover; And with the inwall drive fit of said fastener hole, the screw thread of fixing bolt and said main shaft is screwed each other.
Electromagnetic fan clutch of the present invention; Described fan fixed disk has first annular sidewall of upper shield on said electromagnetic core device; Be inlaid with annular soft iron in the said first annular sidewall end, be connected to the magnet fixed disc cover on the described fastening cover, its inner rim is connected to the ring magnet fixed tray.
Electromagnetic fan clutch of the present invention, described fan fixed disk have circular groove to hold magnet fixed disc, and described fastening cover has first annular sidewall of upper shield on said electromagnetic core device, is inlaid with annular soft iron in the said first annular sidewall end.
Aforementioned each technical characteristics makes the electromagnetic fan clutch overall dimensions dwindle, and whole manufacture cost reduces, and saves materials, and structure is more reasonable, and obviously increase working life.
Below in conjunction with accompanying drawing embodiments of the invention are described further.
Description of drawings
Fig. 1 is the schematic representation of background technique of the present invention;
Fig. 2 is electromagnetic core device first embodiment's of the present invention schematic representation;
Fig. 3 places a kind of schematic representation of three-speed electromagnetic clutch for electromagnetic core device first embodiment of the present invention;
Fig. 4 is the schematic representation of the other direction of the iron core body among Fig. 2 of the present invention;
Fig. 5 A be among Fig. 2 the iron core body along A-A to sectional view;
Fig. 5 B be among Fig. 2 the iron core body along B-B to sectional view;
Fig. 6 is the sectional view of Fig. 3;
Fig. 7 is the schematic representation of the other direction of drive plate and main shaft among Fig. 2;
Fig. 8 is electromagnetic core device second embodiment's of the present invention schematic representation;
Fig. 9 is the opposite side view of the iron core among Fig. 8;
Figure 10 is that electromagnetic core device second embodiment's of the present invention among Fig. 8 C-C is to sectional view;
Figure 11 is second embodiment's of electromagnetic fan clutch of the present invention sectional view.
Embodiment
First embodiment of electromagnetic core device of the present invention.
Referring to Fig. 2, Fig. 3, Fig. 4, Fig. 5 A, Fig. 5 B, Fig. 6, it shows first embodiment of electromagnetic core device of the present invention.
With reference to figure 2, Fig. 4; Fig. 5 A; Fig. 5 B; One end of iron core body 11 of the present invention offers first circular groove 12, and the other end of iron core body 11 of the present invention has second circular groove 13, the center of circle of the center of circle of described first circular groove 12 and described second circular groove 13 all said iron core body 11 axially on and overlap each other.Described iron core body 11 center portions have an iron core through hole 4, after extending one section on the direction of said second circular groove, 13 openings, are forming pivot pin cover 5.The madial wall 121 of said first circular groove 12 overlaps into a shared sidewall with the outer side wall 122 of said second circular groove 13.The bottom end 124 of the open end of said first circular groove 12 and said second circular groove 13 is positioned at same horizontal plane.Correspondingly, the open end of the bottom end of said first circular groove 12 and said second circular groove 13 is positioned at same horizontal plane.Said first circular groove 12 is positioned at the outer wall of its opening part, and inboard to have the cross section with the inboard correspondence of inwall be semicircular equidistance bonding force and the engaging power first enhancing line 130; The section radius of semi-circular portion; Or be called depth of section, be 0.1 millimeter to 5 millimeters and be optimum value.Likewise; Being positioned at the outer wall of its opening part at said second circular groove 13, inboard to have the cross section with the inboard correspondence of inwall be semicircular equidistance bonding force and the engaging power second enhancing line 131; The section radius of its semi-circular portion, or be called depth of section, be 0.1 millimeter to 5 millimeters and be optimum value.
With reference to figure 2, on the bottom end 124 of said second circular groove 13, have first groove 125 along radially outer direction, it has two openings.Said first groove 125 radially relative position have the first half grooves 126 along the radially inward direction of said bottom end 124, unique opening of said the first half grooves 126 is towards iron core through hole 4.Radially outside end farthest at described the first half grooves 126 has first through hole 16 perpendicular to iron core body 11.Being 90 ° with said the first half grooves 126 along angle clockwise has and similar the second half grooves 127 of the first half grooves 126; Be used for counterweight and dynamic balancing to iron core body 11; Its unique opening is towards iron core through hole 4, has second through hole 180 at the radially outside end farthest of described the second half grooves 127 in addition perpendicular to iron core body 11.With reference to figure 5B, said second through hole 180 is expanded into the bigger part of sectional area before will extending into said second circular groove 13 inside, and therefore forms second bucking ladder 133.With reference to figure 2, Fig. 5 B, also have fourth hole 181 along the second half grooves 127 to the direction of iron core through hole 4 at said second through hole 180.With reference to figure 2, Fig. 5 B; Be 90 ° with said first groove 125 along clockwise angle; Radially outward along said bottom end 124 has the 3 half groove 128; Its opening is towards said first circular groove 12, vertically has third through-hole 129 at described the 3 half groove 128 along the radial direction inner terminal.Said third through-hole 129 is expanded into the bigger part of sectional area before will extending into said second circular groove 13 inside, and therefore forms first bucking ladder 132.
With reference to figure 5A, Fig. 5 B, Fig. 2, in described first circular groove 12, place big coil 8, cover big annular friction sheet 138 on it, described big annular friction sheet 138 outer rims 140 strengthen line 130 with inner edge 141 and described first and engage also further bonding.A lighting outlet of described big coil 8 passes the fixing and bonding of described the 3 half groove 128 usefulness rivets in said third through-hole 129 places and be positioned at the 3 half groove 128; Another lighting outlet of described big coil 8 passes described first groove 125 and introduces in the through hole 4 of iron core body 11.Place small coil 7 in described second circular groove 13, cover little annular friction sheet 139 on it, the outer rim 145 of described little annular friction sheet 139 and inner edge 146 and the described second enhancing line 131 engage and are further bonding.A lighting outlet of described small coil 7 passes described fourth hole 181 and extends along the radially outward direction of said the second half grooves 127 from a side of said second circular groove 13, and fixing and bonding is in said second through hole, 180 places and be positioned at the second half grooves 127 with rivet; Another lighting outlet of described small coil 7 passes described first through hole 16 and introduces in the through hole 4 of iron core bodies 11 along the first half grooves 126.Described each riveted joint also can be adopted and be spirally connected or the replacement of Placement such as welding, as long as guarantee that said bonding is placed on the iron core body 11 reliably.
See on the whole, in the electromagnetic core device of first embodiment of the invention, said first circular groove 12 and of the axially each other dorsad setting of said second circular groove 13 along said iron core body 11, opening direction each other is opposite, that is, be the opposed type arrangement each other and distribute.Described big coil 8 and the opening direction of small coil 7 for described circular groove 12,13 also are provided with each other dorsad, that is, be opposed type each other and arrange and distribution.Described big friction plate 138 and the opening direction of described friction sheet 139 for described circular groove 12,13 also are provided with each other dorsad, that is, be opposed type each other and arrange and distribution.
Electromagnetic core device first embodiment's of the present invention production method.
Wherein first kind of production method of first embodiment of the invention is:
Forge or smart casting or directly stretch or directly spinning or directly casting iron core body 11 is provided, form the iron core slot that is provided with dorsad each other through Vehicle Processing, promptly form first circular groove 12 and second circular groove 13 each other dorsad.On said bottom end 124, form described first groove, 125, the first half grooves, 126, the second half grooves 127, the, 3 half grooves 128 through Vehicle Processing or milling again.Through drilling tool form described first through hole 16, the second through holes 180, third through-hole 129, fourth hole 181 thereafter.Adopt the drilling tool of other different-diameter to form first bucking ladder 132 and second bucking ladder 133 thereafter.
Place said big coil 8 and get into said first circular groove 12 thereafter; First Outlet 111 of said big coil 8 is inserted in said the 3 half groove along the opening of said the 3 half groove 128; By first bucking ladder 132 one sides go into first rivet 135 thereafter; Then said first Outlet, 111 remainders are wrapped on the said rivet and with fixing first rivet 135 of riveting machine and in said the 3 half groove 128, form bonding, dismiss redundance thereafter.Second Outlet 112 of said big coil 8 passes along said first groove 125, extends into iron core through hole 4.After this on the big coil 8 that is positioned at said first circular groove 12, pour into binder, for example epoxy resin is embedded in the outer rim 140 of big annular friction sheet and the inner edge 141 of big annular friction sheet respectively on the described first enhancing line 130 through drive fit then.Thereby described big friction plate is covered said big coil 8 by further bonding and engaging thus.
Place said small coil 7 and get into said second circular groove 13 thereafter; Second Outlet 19 of said small coil 7 is passed the side that said fourth hole 181 enters into said bottom 124; Insert second rivet 136 along second bucking ladder, 133 1 sides through said second through hole 180 then; The remainder of second Outlet 19 of said small coil 7 along said the second half groove 127 radially outer directions extended and be wrapped in said second rivet 136 on thereafter; With forming bonding in the second half grooves 127 of fixing second rivet 136 of riveting machine to the iron core body 11, dismiss redundance thereafter subsequently.First Outlet 110 of said small coil 7 passes the side that said first through hole 16 extends into said bottom 124, places along said the first half grooves 126 then, and the opening by said the first half grooves 126 extends in the said iron core through hole 4 at last.After this on the small coil that is positioned at said second circular groove 13 7, pour into binder; For example epoxy resin is embedded in the outer rim 145 of little annular friction sheet 139 and the inner edge 146 of little annular friction sheet respectively on the described second enhancing line 131 through drive fit then.Thereby described friction sheet 139 is covered said small coil 7 by further bonding and engaging thus.
Thus, can form the electromagnetic core device of first embodiment of the invention through aforesaid first method of the present invention.On the whole, it also has and is positioned at two annular friction sheets 138,139 that iron core body openings and subtend be provided with and towards two lighting outlets 110,112 of two coils of electromagnetic core through hole 4, is respectively applied for the feeder ear that connects the respective electrical magnetic coil.
The wherein another kind of production method of the electromagnetic core of first embodiment of the invention is: under the constant situation of other steps of aforementioned first method, the step that forms said iron core slot is the direct stretched iron core slot that is provided with dorsad each other.
Wherein another production method of the electromagnetic core of first embodiment of the invention is: under the constant situation of other steps of aforementioned first method, the step that forms said iron core slot is to be spun to the iron core slot that is provided with dorsad each other.
Second embodiment of electromagnetic core device of the present invention.
Referring to Fig. 8, Fig. 9, Figure 10, it shows second embodiment of electromagnetic core device of the present invention.
One end of the second iron core body 21 of the present invention has offered two first square grooves 22, and the axial the other end of said iron core body 21 has two other second square groove 23.Described iron core body 21 center portions have an iron core through hole 24, after extending one section on the direction of said second square groove, 23 openings, are forming pivot pin cover 25.Upwards have the first fixing outer rim 290 said 21 weeks of iron core body, described first fixedly outer rim 290 madial wall openings have leg-of-mutton equidistance engaging power the 3rd and strengthen line 234, the depth of section of its gable is 0.1 millimeter to 5 millimeters and is optimum value.Said iron core body 21 upwards has the second fixing outer rim 291 week of opposite side; Described second fixedly outer rim 291 madial wall openings have leg-of-mutton equidistance engaging power the 4th and strengthen line 235; The depth of section of its gable is 0.1 millimeter to 5 millimeters and is optimum value, also has the 4th same enhancing line 235 on the said pivot pin cover 25.Described two first square grooves 22 are distributed on the said iron core body 21 with described two other second square groove 23, and center line each other is vertical each other on iron core body 21 plan-positions.It is that leg-of-mutton equidistance bonding force and engaging power first strengthen line 230 that said first square groove 22 has the cross section at the madial wall that is positioned at its opening part, and the gable depth of section is 0.1 millimeter to 5 millimeters and is optimum value.Likewise, be positioned on the madial wall of its opening part also correspondence to have the cross section be that leg-of-mutton equidistance bonding force and engaging power second strengthen line 231 at said second square groove 23, and the depth of section of its gable is 0.1 millimeter to 5 millimeters and is optimum value.
Have two first grooves 225 at said two first square grooves 22 along radially inner direction, its each have one respectively to the opening of iron core through hole 24 with towards the opening of said first square groove 22.Also have two other the first half groove 226 with described two first grooves, 225 left side parallel positions; Have two first through holes 26 at its endpoint location respectively near said iron core through hole 24; Described two first through holes 26 are expanded into the bigger part of sectional area before will extending into said iron core body 21 opposite sides, and therefore form two first bucking ladders 232.Be 90 ° along clockwise angle respectively with said two first grooves 225 and have two anti-" 7 " fonts, the second half grooves 227; The opening of two grooves is all towards described iron core through hole 24, has two second through holes 280 at described two the second half groove 227 cecums perpendicular to iron core body 21.Said two second through holes 280 are expanded into the bigger part of sectional area before will extending into said iron core body 21 opposite sides, and therefore form two second bucking ladders 233.Corner at each said anti-" 7 " font the second half grooves 227 also has third through-hole 229.
In described two first square grooves 22, place two first coils 28 respectively; Cover big annular friction sheet 238 on it; Described big annular friction sheet 238 is through the first fixedly outer rim 290 madial walls engaging and increase line 234 through the 3rd and increase the engaging power of iron core body 21, and can be through obtaining further bonding attached to the binder such as epoxy resin on the said first enhancing line 230.A lighting outlet 211 of described two first coils 28 pass respectively two described the first half grooves 226 then with rivet fixing and bonding in said two first through hole 26 places and be positioned at said the first half grooves 226; Two other lighting outlet 212 of described two first coils 28 passes described two first grooves 225 respectively and introduces in the through hole 24 of iron core body 21.Place two second coils 27 respectively in two square grooves 23 of described iron core body 21 opposite sides; Cover little annular friction sheet 239 on it, the inner edge 246 of described little annular friction sheet 239 and its outer rim 245 are through 235 engagings of described the 4th enhancing line and through obtaining further bonding attached to the binder such as epoxy resin on the said second enhancing line 231.Two paired lighting outlets of described two second coils 27 pass from described two through holes 229 respectively, wherein cecum along said the second half grooves 227 to said second through hole 280 places with rivet fixing and bonding in said second through hole, 280 places and be positioned at the second half grooves 227; Another root lighting outlet of described two second coils 27 is introduced in the through hole 24 of iron core body 21 along the opening direction of described the first half grooves 227 respectively.Aforesaid riveted joint also can be adopted and be spirally connected or the replacement of Placement such as welding, as long as guarantee that bonding is placed on the iron core body 21 reliably.
See on the whole; In the electromagnetic core device of second embodiment of the invention, said two first square grooves 22 and of the axially each other dorsad setting of described two other second square groove 23 along said iron core body 21, opening direction each other is opposite; That is, being opposed type each other arranges and distribution.Described two first coils 28 and the opening direction of two other second coil 27 for said square groove also are provided with each other dorsad, that is, be opposed type each other and arrange and distribution.Described big friction plate 238 and 239 opening directions for said square groove 22,23 of described friction also are provided with each other dorsad, that is, be opposed type each other and arrange and distribution.Big friction plate 238 also is positioned at the opening of iron core body and has four lighting outlets 210,212 towards four coils of electromagnetic core through hole 24 with the friction sheet, is respectively applied for the feeder ear that connects corresponding aforementioned each coil.
Second embodiment's of electromagnetic core device of the present invention production method.
Wherein first kind of production method of second embodiment of the invention is:
Forge or smart casting or directly stretch or directly spinning or directly casting iron core body 21 is provided, form the iron core slot that is provided with dorsad each other simultaneously through Vehicle Processing, promptly form two first square grooves 22 and two second square grooves 23 each other dorsad.On said iron core body 21 one of them end face, form described two first grooves 225, two the first half grooves 226, two the second half grooves 227 through Vehicle Processing or milling again.Through drilling tool form described two first through holes 26, two second through holes 280, two third through-holes 229 thereafter.Adopt the drilling tool of different-diameter to form two first bucking ladders 232 and two second bucking ladders 233 thereafter.
Place said two first coils 28 and get into said first square groove 22 respectively thereafter; First Outlet 211 of said two first coils 28 is inserted in said the first half grooves 226 along the opening of said the first half grooves 226; By first bucking ladder 232 one sides go into first rivet 237 thereafter; Then said first Outlet, 211 remainders are wrapped on the said rivet and form bonding to first through hole, 26 places in said the first half grooves 226, dismiss redundance thereafter with fixing first rivet 237 of riveting machine.Second Outlet 212 of said first coil 28 passes along said first groove 225 respectively, extends into iron core through hole 24.After this on two first coils 28 that are positioned at said first square groove 22, pour into binder; Epoxy resin for example; Outer rim 240 with big annular friction sheet 238 is embedded on described the 3rd enhancing line 234 through drive fit then, and through obtaining bonding attached to the binder on the said first enhancing line 230.Thereby described big friction plate 238 is covered said two first coils 28 by further bonding and engaging thus.
Place said two second coils 27 and get into said second square groove 23 thereafter; Two pairs of Outlets 29,210 with two said small coils 27 pass the side that said third through-hole 229 enters into said first square groove 22 respectively; Insert second rivet 236 along second bucking ladder, 233 1 sides through said second through hole 280 then; Second Outlet 29 remainders of said second coil 27 towards said the second half groove 227 cecums extended and be wrapped in said second rivet 236 on thereafter; With forming bonding in the second half grooves 227 of fixing second rivet 236 of riveting machine to the iron core body 21, dismiss redundance thereafter subsequently.First Outlet 210 of said second coil 27 extends in the said iron core through hole 24 along said the second half groove 227 opening directions.After this on second coil 27 that is positioned at said second square groove 23, pour into binder; For example epoxy resin is embedded in the outer rim 245 of little annular friction sheet 239 and the inner edge 246 of little annular friction sheet respectively on described the 4th enhancing line 235 also through obtaining bonding attached to the binder on the said second enhancing line 231 through drive fit then.Thereby described friction sheet 239 is covered said second coil 7 by further bonding and engaging thus.
Thus, can form the electromagnetic core device of second embodiment of the invention through aforesaid first method of the present invention.On the whole, its have the subtend setting and be fastened in the iron core body-fixed edge two annular friction sheets 238,239 and towards totally four lighting outlets 210,212 of two pairs of coils of electromagnetic core through hole 24, be respectively applied for the feeder ear that connects the respective electrical magnetic coil.
The wherein another kind of production method of the electromagnetic core of second embodiment of the invention is: under the constant situation of other steps of first kind of production method of aforementioned second embodiment, the step that forms said iron core slot is the direct stretched iron core slot that is provided with dorsad each other.
Wherein another production method of the electromagnetic core of second embodiment of the invention is: under the constant situation of other steps of first kind of production method of aforementioned second embodiment, the step that forms said iron core slot is to be spun to the iron core slot that is provided with dorsad each other.
Referring to Fig. 3 and Fig. 2, Fig. 6.The situation that constitutes electromagnetic fan clutch of the present invention with first embodiment of electromagnetic core device of the present invention has been shown among Fig. 3.
Electromagnetic fan clutch first embodiment of the present invention.
Electromagnetic fan clutch of the present invention is made up of live axle 81; Said live axle 81 comprises can be the main shaft 816 and driving disk body 80 of hollow; On said main shaft 816, have metallic channel 83; Said metallic channel 83 is suitable for holding many enameled cables, and said metallic channel 83 extends to the position near said driving disk body 80, covers dirt-proof boot 82 and brushgear on it..Said dirt-proof boot tightly fits in drive plate 80 1 sides of main shaft 816, the said dirt-proof boot 82 of its outer ring drive fit through dirt-proof boot rigid bearing 84.First axle sleeve 827 that the installing of said dirt-proof boot rigid bearing 84 left sides is processed by material steel 45, its left side tightens along said main shaft 816 and is combined with fan fixed disk bearing 86, drive fit fan fixed disk 85 on the outer ring of said fan fixed disk bearing 86.Said dirt-proof boot 82 left sides are fastened on the right-hand end sealing of said fan fixed disk 85.Near said fan fixed disk bearing 86 left sides second axle sleeve 820 that the drive fit installing is processed by material steel 45 on main shaft 816, be used for the formation in the first adhesive gap 841.With reference to figure 6, Fig. 7, main shaft 816 radially dwindle in the described second axle sleeve leftward position and form two stages 850, with the materials and the weight of further saving electromagnetic fan clutch of the present invention.With reference to figure 6, be bolted with big spring sheet 87 and big adhesive dish 88 in said fan fixed disk 85 left sides.The iron core through hole 4 of the electromagnetic core device 11 of first embodiment of the invention tightly fits on the said main shaft 816 and is close to the left side drive fit socket of said second axle sleeve 820, forms the first adhesive gap 841 then thus and between the said big adhesive dish 88.The electromagnetic core device 11 of first embodiment of the invention can also be further further be fixed on the described main shaft 816 through pin or flat key or the spline groove through its pivot pin cover 5.Another effect of said pivot pin cover 5 is to form the second adhesive gap 842, and the 3rd axle sleeve (not shown) that said pivot pin cover 5 also available material steel 45 are processed substitutes and is used to form the said second adhesive gap 842.Described fan fixed disk 85 has first annular sidewall 821 of upper shield on the electromagnetic core device 11 of said first embodiment of the invention; Be inlaid with annular soft iron 822 in said first annular sidewall, 821 tip portion, be used for when the magnetic eddy current produces induction field and driven by the magnetic eddy current.Electromagnetic core device 11 left sides drive fit on main shaft 816 near described first embodiment of the invention is equiped with fastening cover rigid bearing 811, and its outer ring drive fit is installed fastening cover 812.Also be bolted with magnet fixed disc cover 814 on the described fastening cover 812; Its inner rim is bolted with ring magnet fixed tray 813; Be inlaid with a plurality of disc permanent magnets on it and be used to produce the magnetic eddy current; Described magnet fixed disc 813 has the second adhesive gap 842 with described electromagnetic core device left side, and particularly described little adhesive dish 867 has the second adhesive gap 842 with described electromagnetic core device left side.Also be equiped with submissile reed 89 and little adhesive dish 867 on the described fastening cover 812 successively.Fastening cover rigid bearing 811 is held by the fastener hole 828 of said fastening cover 812; And with the inwall drive fit of fastener hole 828; Be tightened each other through the screw thread of fixing bolt 815 then, realize that on the left side wall of the drive plate 80 on the said main shaft 816 integral body interfixes thereby compress aforementioned each parts subsequently with said main shaft 816.Main shaft 816 of the present invention can be hollow tubular part, and can be integrally formed with said drive plate 80, is used for further improving the intensity of magnetic clutch of the present invention, and further reduces its weight, saves materials simultaneously.
First embodiment's of aforementioned electromagnetic fan clutch of the present invention working procedure is following:
When said big coil lead 112 and small coil lead-in wire 110 all must not electricity; Said drive plate 80 drives said main shaft 816 rotations, owing to the free skating of said dirt-proof boot rigid bearing 84 with fan fixed disk bearing 86 and fastening cover rigid bearing 811 transfers to making said fan fixed disk 85 freely rotate with respect to said main shaft 816.
When big coil lead 112 must not electricity and small coil lead-in wire 110 when electric; Small coil produces electromagnetic force and will be connected little adhesive dish 867 on the said fastening cover 812 by submissile reed 89 and pull to final relative fixed adhesive after friction sheet 139 directions and the semi-linkage of electromagnetic core 11; Thereby make the angular velocity of said magnet fixed disc rise to consistent from 0 with the angular velocity of main shaft 816; And produce corresponding magnetic eddy current and drive said soft iron 822 to be lower than the angular velocity rotation of main shaft 816, rotate with second speed thereby drive fan fixed disk 85.
When small coil lead-in wire 110 and big coil lead 112 in succession when electric; Small coil produces electromagnetic force and will be connected little adhesive dish 867 on the said fastening cover 812 by submissile reed 89 and pull to final relative fixed adhesive after friction sheet 139 directions and the semi-linkage of electromagnetic core 11; Thereby make the angular velocity of said magnet fixed disc rise to consistent from 0 with the angular velocity of live axle 816; And produce corresponding magnetic eddy current and drive said soft iron 822 to be lower than the angular velocity rotation of main shaft 816; The electromagnetic force that big subsequently coil produces will be connected the direction that big adhesive dish 88 on the said fan fixed disk 85 pulls to the big friction plate 138 of electromagnetic core by said big spring sheet 87; Final relative fixed adhesive after the semi-linkage, thus drive fan fixed disk to rotate at full speed with main shaft 816 on all four angular velocity, and this moment, the induction field of soft iron 822 disappeared.
Electromagnetic fan clutch second embodiment of the present invention.
Referring to Figure 11, wherein show electromagnetic fan clutch second embodiment of the present invention.
Electromagnetic fan clutch second embodiment of the present invention is made up of live axle 61; Said live axle 61 comprises can be the main shaft 616 and driving disk body 60 of hollow; On said main shaft 616, have metallic channel 63; Said metallic channel 63 is suitable for holding many enameled cables, and said metallic channel 63 extends to the position near said driving disk body 60, covers dirt-proof boot 62 and brushgear on it..Said dirt-proof boot tightly fits in drive plate 60 1 sides of main shaft 616, the said dirt-proof boot 62 of its outer ring drive fit through dirt-proof boot rigid bearing 64.First axle sleeve 627 that the installing of said dirt-proof boot rigid bearing 64 left sides is processed by material steel 45, its left side tightens along said main shaft 616 and is combined with fan fixed disk bearing 66, drive fit fan fixed disk 65 on the outer ring of said fan fixed disk bearing 66.Said dirt-proof boot 62 left sides are fastened on the right-hand end sealing of said fan fixed disk 65.Near said fan fixed disk bearing 66 left sides second axle sleeve 620 that the drive fit installing is processed by material steel 45 on main shaft 616, be used for the formation in the first adhesive gap 641.Main shaft 616 radially dwindles in the described second axle sleeve leftward position and forms two stages 650, with the materials and the weight of further saving electromagnetic fan clutch of the present invention.Be bolted with big spring sheet 67 and big adhesive dish 68 in said fan fixed disk 65 left sides.The iron core through hole 24 of the electromagnetic core device 21 of second embodiment of the invention tightly fits on the said main shaft 616 and is close to the left side drive fit socket of said second axle sleeve 620, forms the first adhesive gap 641 then thus and between the said big adhesive dish 68.Second embodiment 21 of electromagnetic core device of the present invention can also be further further be fixed on the described main shaft 616 through pin or flat key or the spline groove through its pivot pin cover 25.Another effect of said pivot pin cover 25 is to form the second adhesive gap 642, and the 3rd axle sleeve (not shown) that said pivot pin cover 25 also available material steel 45 are processed substitutes and is used to form the said second adhesive gap 642.Described fan fixed disk 65 left sides have circular groove to hold annular magnet fixed disc 613; Be inlaid with a plurality of disc permanent magnets on it and be used to produce the magnetic eddy current; And with the whole disk columnar structures that form of fan fixed disk 65, the right side annular portion constitutes magnet fixed disc cover 614.Electromagnetic core device 21 left sides drive fit on main shaft 616 near described second embodiment of the invention is equiped with fastening cover rigid bearing 611, and its outer ring drive fit is installed fastening cover 612.Described fastening cover 612 has first annular sidewall 621 of upper shield on the electromagnetic core device 21 of said second embodiment of the invention; Be inlaid with annular soft iron 622 in said first annular sidewall, 621 tip portion, be used for when the magnetic eddy current produces induction field and driving said magnet fixed disc 613.Described fastening cover 612 inner rings are equiped with submissile reed 69 and little adhesive dish 667 from left to right successively, and little adhesive dish 667 has the second adhesive gap 642 with described electromagnetic core device 21 left sides.Said fastening cover rigid bearing 611 is held by the fastener hole 628 of said fastening cover 612; And with the inwall drive fit of fastener hole 628; Be tightened each other through fixing bolt 615 and the screw thread of fastening pad 666 then, realize that on the left side wall of the drive plate 60 on the said main shaft 616 integral body interfixes thereby compress aforementioned each parts subsequently with said main shaft 616.Main shaft 616 of the present invention can be hollow tubular part, and can be integrally formed with said drive plate 60, is used for further improving magnetic clutch second embodiment's of the present invention intensity, and further reduces its weight, saves materials simultaneously.
Second embodiment's of electromagnetic fan clutch of the present invention working procedure is following:
When first coil lead 212 and second coil lead 210 all must not electricity; Said drive plate 60 drives said main shaft 616 rotations, owing to the free skating of said dirt-proof boot rigid bearing 64 with fan fixed disk bearing 66 and fastening cover rigid bearing 611 transfers to making said fan fixed disk 65 freely rotate with respect to said main shaft 616.
When first coil lead 212 must not electricity and second coil lead 210 when electric; Small coil produces electromagnetic force and will be connected little adhesive dish 667 on the said fastening cover 612 by submissile reed 69 and pull to final relative fixed adhesive after friction sheet 239 directions and the semi-linkage of electromagnetic core 21; Thereby make the angular velocity of said magnet fixed disc rise to consistent from 0 with the angular velocity of main shaft 616; And in soft iron 622, produce corresponding magnetic eddy current to drive said magnet fixed disc 613 to be lower than the angular velocity rotation of main shaft 616, rotate with second speed thereby drive fan fixed disk 65.
When second coil lead 210 and first coil lead 212 in succession when electric; Small coil produces electromagnetic force and will be connected little adhesive dish 667 on the said fastening cover 612 by submissile reed 69 and pull to final relative fixed adhesive after friction sheet 239 directions and the semi-linkage of electromagnetic core 21; Thereby make the angular velocity of said magnet fixed disc rise to consistent from 0 with the angular velocity of live axle 616; And the corresponding magnetic eddy current of generation drives said magnet fixed disc 613 to be lower than the angular velocity rotation of main shaft 616 in said soft iron 622; The electromagnetic force that produces of first coil will be connected the direction that big adhesive dish 68 on the said fan fixed disk 65 pulls to the big friction plate 238 of electromagnetic core by said big spring sheet 67 subsequently; Final relative fixed adhesive after the semi-linkage; Thereby drive fan fixed disk to rotate at full speed with main shaft 616 on all four angular velocity, this moment, the induction field of soft iron 622 disappeared.
Other embodiments of electromagnetic fan clutch of the present invention.
Very significantly; First embodiment or second embodiment that aforesaid other each embodiments of electromagnetic core device of the present invention also can directly substitute electromagnetic core of the present invention is installed in the aforesaid specific embodiment of electromagnetic fan clutch of the present invention and is suitable with device with miscellaneous part, thereby constitutes other embodiments of a plurality of electromagnetic fan clutch of the present invention.
Those skilled in the art are to be understood that; The structure through reading aforesaid electromagnetic fan clutch of the present invention and the working principle and the design thereof of this electromagnetic fan clutch, those skilled in the art are applied in existing various single speed, double speed, three speed with each embodiment of electromagnetic core device of the present invention and more are out of shape and the various technological schemes that realize all should belong to the technological scheme that the present invention attempts to disclose in the electromagnetic fan clutch of multistage speed and to the parts that match with each embodiment of electromagnetic core of the present invention and device.
The purposes and the effect of electromagnetic core device of the present invention and production method thereof and corresponding magnetic clutch.
Each embodiment of electromagnetic core device of the present invention can make materials being fabricated practice thrift more than 20%, and particularly the coil materials are practiced thrift more than 30%.Its compact structure has particularly avoided manual operations to become necessity of production method with succinct and directly cause each production methodes of various embodiments of the present invention to be applicable to that mass production saved the time simultaneously and reduced concerned process steps.
The materials being fabricated that comprises the electromagnetic fan clutch of electromagnetic core device of the present invention is practiced thrift more than 30%; Particularly the volume with electromagnetic fan clutch is reduced to 2/3rds of existing technology at least; Especially can greatly shorten, thereby make electromagnetic fan clutch of the present invention be more suitable for being contained in the various engine compartments and adaptive better with motor car engine along the size of electromagnetic fan clutch major axes orientation.In addition, with the size of corresponding each parts of electromagnetic fan clutch of electromagnetic core of the present invention and materials are all corresponding thus reduces at least 30%.
Above-described each embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technological scheme of the present invention all should fall in the definite protection domain of claim of the present invention.
Industrial applicibility
Opposed type iron core apparatus of the present invention and production method thereof, and the electromagnetic fan clutch that comprises this opposed type iron core go for various brushless type and have brush electromagnetic fan clutch to manufacture, and the manufacturing of automobile.
Claims (22)
1. electromagnetic fan clutch is included in the iron core slot (12,13,22,23) that is provided with dorsad each other vertically on the electromagnetic core body (11,21).
2. electromagnetic fan clutch according to claim 1 also comprises, goes up the friction plate (138,139,238,239) that is provided with dorsad each other at said iron core slot (12,13,22,23).
3. electromagnetic fan clutch according to claim 2 also comprises, the coil (7,8,27,28) that is provided with dorsad each other that in said iron core slot (12,13,22,23), holds.
4. electromagnetic fan clutch according to claim 3 is characterized in that: each of said coil (7,8,27,28) only has terminal (112,110,212,210) from the iron core through hole (4,24) of said iron core body (11,21), to draw.
5. electromagnetic fan clutch according to claim 4 is characterized in that: the bonding end (111,19,211,29) of said coil (7,8,27,28) directly connects with said iron core body (11,21).
6. electromagnetic fan clutch according to claim 5 is characterized in that: described terminal (112,110,212,210) and bonding end (111,19,211,29) all are positioned at the same side of said iron core body (11,21).
7. electromagnetic fan clutch according to claim 1 is characterized in that: said iron core slot comprises first circular groove (12) and second circular groove (13).
8. according to each described electromagnetic fan clutch in the claim 2 to 6, it is characterized in that: said iron core slot comprises first circular groove (12) and second circular groove (13).
9. according to each described electromagnetic fan clutch in the claim 1 to 6, it is characterized in that said iron core slot comprises first square groove (22) and second square groove (23).
10. electromagnetic fan clutch according to claim 8; It is characterized in that: described friction plate comprises big friction plate (138,238) of annular and annular friction sheet (139,239); The big friction plate (138 of said annular; 238) be connected in said first circular groove (12) opening, said annular friction sheet (139,239) is connected in second circular groove (13) opening.
11. according to each described electromagnetic fan clutch in the claim 1 to 10, it is characterized in that: each of described iron core slot (12,13,22,23,290,291) has at the opening end madial wall and strengthens line (130,230,131,231,234,235).
12. electromagnetic fan clutch according to claim 11 is characterized in that: the depth of section of described enhancing line (130,230,131,231,234,235) is 0.1 millimeter to 5 millimeters.
13. according to Claim 8 or 10 or 11 or 12 described electromagnetic fan clutch; It is characterized in that: the bottom end (124) of described second circular groove (13) is provided with first groove (125), the first half grooves (126), the second half groove (127) the 3 half grooves (128); First through hole (16); Second through hole (180), third through-hole (129), fourth hole (181).
14. electromagnetic fan clutch according to claim 13 is characterized in that: described third through-hole (129) has first bucking ladder (132), and said second through hole (180) has second bucking ladder (133).
15., it is characterized in that the both sides of described opposed type electromagnetic core device (11) have the first adhesive gap (841,641) and the second adhesive gap (842,642) respectively according to each described electromagnetic fan clutch in the claim 1 to 14.
16. electromagnetic fan clutch according to claim 15 is characterized in that, comprises main shaft (816,616), each terminal of said coil (7,8,27,28) are drawn from the lead-in wire groove (83,63) of main shaft (816,616).
17. electromagnetic fan clutch according to claim 16 is characterized in that, said lead-in wire groove (83,63) is a plurality of and symmetrical.
18. electromagnetic fan clutch according to claim 17 is characterized in that, said main shaft (816,616) has two stages (850,650).
19. electromagnetic fan clutch according to claim 18 is characterized in that, described main shaft (816,616) is the tubular part of hollow.
20. electromagnetic fan clutch according to claim 19 is characterized in that, comprises drive plate (80,60), at said drive plate (80; 60) left side tightly fits in the fan fixed disk bearing (86,66) on the said main shaft (816,616), drive fit fan fixed disk (85 on the outer ring of said fan fixed disk bearing (86,66); 65), install second axle sleeve (820,820) in said main shaft (816,616) drive fit near said fan fixed disk bearing (86,66) left side; Said fan fixed disk (85,65) left side is connected to big spring sheet (87,67) and big adhesive dish (88,98); The iron core through hole (4) of said electromagnetic core device (11) tightly fits in said main shaft (816,616) and is close to the left side of said second axle sleeve (820,620), goes up drive fit near described electromagnetic core device (11) left side at said main shaft (816) and is equiped with fastening cover rigid bearing (811; 611), its outer ring drive fit is installed fastening cover (812,612), described fastening cover (812; 612) also be equiped with submissile reed (89,69) and little adhesive dish (867,667) on successively, said fastening cover rigid bearing (811; 611) held by the fastener hole (828,628) of said fastening cover (812,612), and with said fastener hole (828; 628) inwall drive fit, fixing bolt (815,615) is screwed with the screw thread of said main shaft (816,616) each other.
21. electromagnetic fan clutch according to claim 20; It is characterized in that; Described fan fixed disk (85) has first annular sidewall (821) of upper shield on said electromagnetic core device (11); Be inlaid with annular soft iron (822) in said first annular sidewall (821) end, be connected to magnet fixed disc cover (814) on the described fastening cover (812), its inner rim is connected to ring magnet fixed tray (813).
22. electromagnetic fan clutch according to claim 20; It is characterized in that; Described fan fixed disk (65) has circular groove to hold magnet fixed disc (613); Described fastening cover (612) has first annular sidewall (621) of upper shield on said electromagnetic core device (21), is inlaid with annular soft iron (622) in said first annular sidewall (621) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210090387.5A CN102606275B (en) | 2012-03-30 | 2012-03-30 | Electromagnetic fan clutch with opposite iron cores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210090387.5A CN102606275B (en) | 2012-03-30 | 2012-03-30 | Electromagnetic fan clutch with opposite iron cores |
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| Publication Number | Publication Date |
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| CN102606275A true CN102606275A (en) | 2012-07-25 |
| CN102606275B CN102606275B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210090387.5A Expired - Fee Related CN102606275B (en) | 2012-03-30 | 2012-03-30 | Electromagnetic fan clutch with opposite iron cores |
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| CN (1) | CN102606275B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032148A (en) * | 2012-12-09 | 2013-04-10 | 王桂岳 | Electromagnetic fan clutch with external friction drive |
| CN103939495A (en) * | 2014-03-18 | 2014-07-23 | 龙口中宇机械有限公司 | Electromagnetic fan clutch |
| CN110431291A (en) * | 2016-12-02 | 2019-11-08 | 比亚乔股份有限公司 | The cooling system for engine with electromagnetic fan clutch |
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| US3053364A (en) * | 1956-10-24 | 1962-09-11 | Ite Circuit Breaker Ltd | Electromagnetic claw clutches |
| JPS56120826A (en) * | 1980-02-25 | 1981-09-22 | Ogura Clutch Co Ltd | Speed variable electromagnetic clutch |
| JP2002195325A (en) * | 2000-12-28 | 2002-07-10 | Shinko Electric Co Ltd | Electromagnetic clutch and brake device |
| CN1664393A (en) * | 2005-03-18 | 2005-09-07 | 陆永平 | Bistable electromagnetic clutch |
| CN101782012A (en) * | 2009-01-18 | 2010-07-21 | 龙口市汽车风扇离合器厂 | Permanent-magnet electromagnetic clutch |
| CN202707212U (en) * | 2012-03-30 | 2013-01-30 | 王兆宇 | Electromagnetic fan clutch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3053364A (en) * | 1956-10-24 | 1962-09-11 | Ite Circuit Breaker Ltd | Electromagnetic claw clutches |
| JPS56120826A (en) * | 1980-02-25 | 1981-09-22 | Ogura Clutch Co Ltd | Speed variable electromagnetic clutch |
| JP2002195325A (en) * | 2000-12-28 | 2002-07-10 | Shinko Electric Co Ltd | Electromagnetic clutch and brake device |
| CN1664393A (en) * | 2005-03-18 | 2005-09-07 | 陆永平 | Bistable electromagnetic clutch |
| CN101782012A (en) * | 2009-01-18 | 2010-07-21 | 龙口市汽车风扇离合器厂 | Permanent-magnet electromagnetic clutch |
| CN202707212U (en) * | 2012-03-30 | 2013-01-30 | 王兆宇 | Electromagnetic fan clutch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032148A (en) * | 2012-12-09 | 2013-04-10 | 王桂岳 | Electromagnetic fan clutch with external friction drive |
| CN103939495A (en) * | 2014-03-18 | 2014-07-23 | 龙口中宇机械有限公司 | Electromagnetic fan clutch |
| CN110431291A (en) * | 2016-12-02 | 2019-11-08 | 比亚乔股份有限公司 | The cooling system for engine with electromagnetic fan clutch |
| CN110431291B (en) * | 2016-12-02 | 2022-04-29 | 比亚乔股份有限公司 | Cooling system for an engine having an electromagnetic fan clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102606275B (en) | 2014-12-03 |
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