CN109698052A - Electromagnet - Google Patents
Electromagnet Download PDFInfo
- Publication number
- CN109698052A CN109698052A CN201710981687.5A CN201710981687A CN109698052A CN 109698052 A CN109698052 A CN 109698052A CN 201710981687 A CN201710981687 A CN 201710981687A CN 109698052 A CN109698052 A CN 109698052A
- Authority
- CN
- China
- Prior art keywords
- iron core
- magnetic
- dynamic iron
- skeleton
- guide sleeve
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
Abstract
The present invention provides a kind of electromagnet, it includes skeleton, the coil being wound on the skeleton, positioned at the skeleton outside and cover the magnetic yoke of the skeleton and coil and be housed in the iron core of the skeletal internal, the iron core include the fixed core being fixedly connected with the magnetic yoke and positioned at the fixed core lower section and can be moved up under electromagnetic force with the fixed core be attracted dynamic iron core, the electromagnet further includes the guide sleeve between the dynamic iron core and the skeleton, the guide sleeve is fixed on the inner wall of the skeleton and is set in the outside of the dynamic iron core.Compared to the prior art, electromagnet of the invention may make the dynamic iron core no longer directly to contact with the skeleton, and guide sleeve and dynamic iron core have similar wearability, can reduce the electromagnet because of caused by abrasion and damage.
Description
Technical field
The present invention relates to household appliance technical field more particularly to a kind of electromagnet.
Background technique
As market gradually increases dish-washing machine demand, the demand of diversification distributor also gradually increases, while right
Higher requirements are also raised for distributor: shape is small, power is low, the high life.
Currently, being that dynamic iron core directly cooperates with plastic skeleton, and uses mostly on distributor in used driving structure
Dynamic iron core directly cooperates with plastic skeleton to be had the disadvantage that: 1. since skeleton is plastic construction, and wearability is poor, and dynamic iron core
Movement be it is instantaneous be attracted (2~10ms), prolonged movement can make skeleton hole become larger, gap becomes larger, guiding performance is deteriorated, electromagnetism
Suction can further be deteriorated；2. the clast fallen that rubs from skeleton can be accumulated in hole, the clamping stagnation of dynamic iron core is caused, even
The failure of product.
Summary of the invention
The purpose of the present invention is to provide a kind of electromagnet, the wearability of the electromagnet is preferable, can reduce and draw because of abrasion
The damage risen.
To achieve the above object, the present invention provides a kind of electromagnet, including skeleton, the line being wound on the skeleton
Circle, positioned at the skeleton outside and cover the magnetic yoke of the skeleton and coil and be housed in the iron core of the skeletal internal,
The iron core include the fixed core being fixedly connected with the magnetic yoke and positioned at the fixed core lower section and can be in electromagnetic force
Under move up to the dynamic iron core being attracted with the fixed core, the electromagnet further includes being located at the dynamic iron core and the skeleton
Between guide sleeve, the guide sleeve is fixed on the inner wall of the skeleton and is set in the outside of the dynamic iron core.
As a further improvement of the present invention, the guide sleeve is assembled and fixed in the inner wall of the skeleton, the guide sleeve with
The skeleton integrated injection molding or force fit or small―gap suture bonding.
As a further improvement of the present invention, on the actuation direction of the fixed core and dynamic iron core, the guide sleeve it is upper
There is the first height between end face and lower end surface, under original state the upper surface of the dynamic iron core and the lower end surface of the guide sleeve it
Between there is the second height, the fixed core has contact surface with the attracted contact in upper surface of the dynamic iron core, the contact
There is third height between face and the lower end surface of the guide sleeve.
As a further improvement of the present invention, the guide sleeve is made of permeability magnetic material, and first height is less than described the
Two height.
As a further improvement of the present invention, the guide sleeve is made of non-magnet material, and first height is less than described
Second height.
As a further improvement of the present invention, the guide sleeve has and is set in the magnetic-conductance portion on the outside of the dynamic iron core and is located at
Non-magnetic portion above the magnetic-conductance portion, on the actuation direction of the fixed core and dynamic iron core, the height of the magnetic-conductance portion is small
In second height.
As a further improvement of the present invention, the guide sleeve include be set in the first magnetic-conductance portion on the outside of the dynamic iron core,
The non-magnetic portion of the second magnetic-conductance portion and connection first magnetic-conductance portion and the second magnetic-conductance portion that are set on the outside of the fixed core,
On the actuation direction of the fixed core and dynamic iron core, the height of first magnetic-conductance portion is less than second height.
As a further improvement of the present invention, the fixed core has the protruding portion towards the dynamic iron core projection, described
The corresponding groove being recessed with for accommodating the protruding portion of dynamic iron core, under electromagnetic force, the dynamic iron core is moved upwards directly
The groove is contained in the protruding portion.
As a further improvement of the present invention, the protruding portion has first to be attracted the conical surface, and the groove has second to inhale
The conical surface is closed, and the first of the protruding portion is attracted the cone angle that the conical surface forms 15~20 °, the second actuation conical surface of the groove is formed
20~25 ° of cone angle.
As a further improvement of the present invention, it is 18 ° that the first of the protruding portion, which is attracted the cone angle that the conical surface is formed, described recessed
It is 23 ° that the second of slot, which is attracted the cone angle that the conical surface is formed,.
As seen through the above technical solutions, electromagnet of the invention is between dynamic iron core and skeleton by being arranged a guide sleeve,
And the guide sleeve is fixed on the inner wall of the skeleton and is set in the outside of the dynamic iron core so that the dynamic iron core with
The skeleton no longer directly contacts, and guide sleeve and dynamic iron core have similar wearability, can reduce the electromagnetism because of caused by abrasion
Iron loss is bad, while can reduce non-working-gap magnetic resistance, and excitation magnetic potential, reduces cost needed for reducing.
Detailed description of the invention
Fig. 1 is the cross-sectional view of electromagnet of the invention.
Appended drawing reference:
1- electromagnet；10- skeleton；20- coil；30- magnetic yoke；The first shielding part of 31-；The second shielding part of 32-；33- third
Shielding part；40- iron core；41- fixed core；411- protruding portion；412- first is attracted the conical surface；413- contact surface；42- dynamic iron core；
421- groove；422- second is attracted the conical surface；50- guide sleeve；The first height of h1-；The second height of h2-；H3- third height.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
Refering to Figure 1, present invention discloses a kind of electromagnet 1 applied on dish-washing machine, and the electromagnet 1 is main
Applied on the distributor in dish-washing machine, to realize the distribution of detergent.The electromagnet 1 include skeleton 10, be wrapped in it is described
Coil 20 on skeleton 10, positioned at the skeleton 10 outside and cover the magnetic yoke 30 and receiving of the skeleton 10 and coil 20
Iron core 40 inside the skeleton 10.In the present invention, the coil 20 be wrapped in the skeleton 10 surface or with institute
Surface is stated all may be used a distance away.
The inside of the skeleton 10 offers the accommodating chamber (not labeled) for accommodating the iron core 40, and on the accommodating chamber
It is arranged through the skeleton 10 down.The outside middle position of the skeleton 10 is inwardly recessed to form a concave portion, so set, making
It is in I-shaped setting that it is whole, which to obtain the skeleton 10,.In present embodiment, the skeleton 10 is made of plastic material.
The coil 20 is wrapped in the outside of the skeleton 10 and is housed in the recessed portion, thus giving the coil
After 20 are powered, magnetic field can be generated around the coil 20, to generate electromagnetic force.
The magnetic yoke 30 covers in the outside of the skeleton 10 and coil 20, can not only play and reinforce 10 He of skeleton
The effect of coil 20, and when coil 20 is powered, most of magnetic circuit can be prevented to external diffusion, enable coil magnetic potential benefit
With.
The magnetic yoke 30 includes the first shielding part 31 for covering 10 top of the skeleton, covers the of 10 bottom of skeleton
The third shielding part 33 of two shielding parts 32 and connection first shielding part 31 and the second shielding part 32.The third shielding part
33 are provided with one, and the end of first shielding part 31 is connected with the end of second shielding part 32, to described
Coil 20 carries out part overlaid, so that the overall U-shaped shape of the magnetic yoke 30 is arranged.
The iron core 40 includes the fixed core 41 being fixedly connected with the magnetic yoke 30 and positioned at the lower section of the fixed core 41
And the dynamic iron core 42 being attracted with the fixed core 41 can be moved up under electromagnetic force.It is opened on first shielding part 31
Equipped with first through hole, one end of the fixed core 41 passes through the first through hole, and with described first in the first through hole
Shielding part 31 is fixed, and in present embodiment, the fixed core 41 is fixed with 31 riveting of the first shielding part.Described second covers
The second through-hole is offered in portion 32, the dynamic iron core 42 passes through second through-hole, and one end is contained in the accommodating chamber, is another
One end projection exceeds second shielding part 32 and is located at the outside of the magnetic yoke 30, thus under electromagnetic force, it is described dynamic
Iron core 42 can be moved up and down in the accommodating chamber by second through-hole.
The fixed core 41 limit is fixed in the accommodating chamber, specifically, the top of the fixed core 41 with it is described
Magnetic yoke 30 is fixed, bottom end is housed in the accommodating chamber, two sidewalls and the inner wall of the accommodating chamber fit, so set,
The fixed core 41 can be limited cannot arbitrarily move in the accommodating chamber.
The dynamic iron core 42 is movably arranged in the accommodating chamber, and specifically, the top of the dynamic iron core 42 accommodates
In the accommodating chamber, bottom end be located at outside, the two sidewalls of the skeleton 10 and be not bonded with the inner wall of the accommodating chamber, and institute
It states between the two sidewalls of dynamic iron core 42 and the accommodating chamber inner wall there are gap, is arranged such, it is ensured that the dynamic iron core 42
It can smoothly be moved up to attracted with the fixed core 41 under electromagnetic force.
The bottom end of the fixed core 41 is equipped with the protruding portion 411 towards 42 projection of dynamic iron core, the dynamic iron core 42
The corresponding groove 421 being recessed with for accommodating the protruding portion 411 in top, so that the dynamic iron core 42 can under electromagnetic force
It moves upwards until the protruding portion 411 is contained in the groove 421.The protruding portion 411 has first to be attracted the conical surface 412,
The groove 421 has second to be attracted the conical surface 422, and when the protruding portion 411 is contained in the groove 421, described the
The one actuation conical surface 412 is in contact with the second actuation conical surface 422.
From the point of view of cross-sectional view shown in FIG. 1, it is described first be attracted the conical surface 412 be the protruding portion 411 two lateral walls and
It is oblique to extend, so that two first of the protruding portion 411 are attracted the cone angle of 15~20 ° of formation between the conical surface 412；Institute
Two inner walls that the second actuation conical surface 422 is the groove 421 and oblique extension are stated, so that the two of the groove 421
A second is attracted the cone angle of 20~25 ° of formation between the conical surface 422.Preferably, the two first actuation conical surfaces of the protruding portion 411
412 be formed by cone angle be 18 °, two second the actuations conical surfaces 422 of the groove 421 be formed by cone angle be 23 °.
Certainly, from the point of view of stereochemical structure, if the protruding portion 411 and the tapered setting of groove 421, described first inhales
The conjunction conical surface 412 and the second actuation conical surface 422 meet the description of upper section content there are two being respectively provided with；If the protruding portion 411 and recessed
Slot 421 is in the form of a column setting, then described first is attracted the conical surface 412 and the oblique extension of the second actuation conical surface 422.
It (is the height of the protruding portion 411 in the present embodiment because the stroke that the dynamic iron core 42 moves upwards is fixed
Degree), while under the restriction effect of accommodating chamber inner space, by two first actuation 412 shapes of the conical surface of the protruding portion 411
At cone angle and the groove 421 the two second actuation conical surfaces 422 be formed by cone angle design be smaller angle, so as to
Suction when moment is attracted between dynamic iron core 42 and fixed core 41 is enough greatly improved, and then guarantees electromagnet 1 under low-power
It can work normally, solve causes electromagnetic attraction insufficient because cone angle is excessive in the prior art, keeps dynamic iron core 42 upward
The problem of movement is attracted, also solve causes initial electromagnetic suction larger and midway electromagnetism is inhaled due to cone angle is too small in the prior art
Power is inadequate, stopping when dynamic iron core 42 being made to move up to half, problem that can not be attracted with fixed core 41.
The electromagnet 1 further includes the guide sleeve 50 between the dynamic iron core 42 and the skeleton 10, the guide sleeve 50
It is fixed on the inner wall of the skeleton 10 and is set in the outside of the dynamic iron core 42.In the present embodiment, the guide sleeve 50 is by gold
Belong to material be made, and have with wearability similar in the dynamic iron core 42, so as to reduce because abrasion caused by electromagnet 1 damage
It is bad；Certainly, the guide sleeve 50 can also be made of other high-temperature and wear-proofs, lead as long as can reduce the dynamic iron core 42 with described
Frictional force between set 50.
The assembly of the guide sleeve 50 and the skeleton 10 can be carried out by following two mode: 1, in 10 note of skeleton
After being moulded into type, the guide sleeve 50 assembling is fixed on the inner wall of the skeleton 10；2, by the guide sleeve 50 and the skeleton 10
Integrated injection molding.In other embodiments, the guide sleeve 50 can also force fit or small―gap suture bonding with the skeleton 10.
On the actuation direction (up and down direction i.e. shown in FIG. 1) of the fixed core 41 and dynamic iron core 42, led described in definition
There is the first height h1, first height h1 is the height of the guide sleeve 50 between the upper surface and lower end surface of set 50；Initially
Under state, there is the second height h2 between the upper surface of the dynamic iron core 42 and the lower end surface of the guide sleeve 50；The fixed core
41 have the contact surface 413 with the attracted contact in upper surface of the dynamic iron core 42, the contact surface 413 and the guide sleeve 50
There is third height h3 between lower end surface.The guide sleeve 50 can be made of permeability magnetic material, can also be made of non-magnet material,
Below by the guide sleeve 50 wherein four kinds structure be made be illustrated.
Structure one is made, the guide sleeve 50 is made of permeability magnetic material, it is high that the first height h1 needs to be less than described second
H2 is spent, guide sleeve 50 is directly over so set, can avoid a part of magnetic circuit and enters magnetic yoke 30, so as to improve 20 magnetic of coil
The effective rate of utilization of gesture improves suction.
Structure two is made, the guide sleeve 50 is made of non-magnet material, then to the first height h1, there is no limit can be with
Completely through the height of entire skeleton 10, it is also possible to a part of 10 height of skeleton.This is because: non-magnet material
Magnetic permeability and the magnetic permeability of air are close, therefore magnetic circuit can also will not influence by the dynamic iron core 42 to form closed circuit
To the variation of magnetic circuit, while the wear-resisting property of the guide sleeve 50 can also be improved.
Structure three is made, the welding body that the guide sleeve 50 is permeability magnetic material and non-magnet material, it may be assumed that the guide sleeve 50 has
The magnetic-conductance portion (not shown) for being set in 42 outside of dynamic iron core and the non-magnetic portion (not shown) above the magnetic-conductance portion；
At this point, it is high that the height of the magnetic-conductance portion needs to be less than described second on the actuation direction of the fixed core 41 and dynamic iron core 42
H2 is spent, and then there is no limit for the height in the non-magnetic portion.Herein, because the guide sleeve 50 is by magnetic-conductance portion and non-magnetic portion's group
At, and magnetic-conductance portion is located below, non-magnetic portion is located above, therefore the height of the magnetic-conductance portion be magnetic-conductance portion upper surface with lead
The height between 50 lower end surfaces is covered, the first height h1 being equivalent in " structure one is made ".
Structure four is made, the guide sleeve 50 is made of magnetic conduction, non-magnetic, magnetic conduction three parts, it may be assumed that the guide sleeve 50 includes set
The second magnetic-conductance portion for being located at first magnetic-conductance portion (not shown) in 42 outside of dynamic iron core, being set in 41 outside of fixed core
The non-magnetic portion (not shown) of (not shown) and connection first magnetic-conductance portion and the second magnetic-conductance portion；At this point, determining iron described
On the actuation direction of core 41 and dynamic iron core 42, the height of first magnetic-conductance portion needs to be less than the second height h2, described non-
Height between the upper surface of magnetic-conductance portion and first magnetic-conductance portion lower end surface needs to be greater than or equal to the third height h3.This
Place, because the guide sleeve 50 is made of the first magnetic-conductance portion, non-magnetic portion, the second magnetic-conductance portion, and the first magnetic-conductance portion is located below, non-leads
Magnetic portion is located at intermediate, the second magnetic-conductance portion and is located above, therefore the height of first magnetic-conductance portion is the upper of first magnetic-conductance portion
Height between 50 lower end surface of end face and guide sleeve, the first height h1 being equivalent in " structure one is made "；The non-magnetic portion
Height between upper surface and first magnetic-conductance portion lower end surface, the height in as described non-magnetic portion and first magnetic-conductance portion
The sum of；It is directly over guide sleeve 50 so set, on the one hand can be avoided a part of magnetic circuit and enters magnetic yoke 30 and (structure is made together
One) effective rate of utilization of 20 magnetic potential of coil, is influenced；On the other hand, it is ensured that the second magnetic-conductance portion is located at the outside of fixed core 41, with
It is anti-that the magnetic force of dynamic iron core 42 is had an impact.
The working principle of electromagnet 1 of the invention is: being passed through a rated current, electric current flowing through coil 20 to the coil 20
After generate magnetic field, the dynamic iron core 42 moves up to attracted with the fixed core 41 under the influence of a magnetic field.
Electromagnet 1 of the invention is after increasing guide sleeve 50, on the one hand, and contact dynamic iron core 42 no longer directly with skeleton 10,
And guide sleeve 50 and dynamic iron core 42 have similar wearability, reduce the electromagnet 1 because of caused by abrasion and damage；On the other hand,
There is similar wearability between guide sleeve 50 and dynamic iron core 42, so that frictional force is small, and when guide sleeve 50 is made of metal material, tool
It readily conducts heat, rapid heat dissipation, and then the temperature rise of coil 20 can be reduced；It is led made of permeability magnetic material in another aspect, increasing
Set 50, can make the gap for being originally used for air gap become permeability magnetic material, and the magnetic conductivity of permeability magnetic material is the thousands of of air
Times, therefore improve the utilization rate of 20 magnetic potential of coil.
In conclusion electromagnet 1 of the invention, on the one hand by being attracted 412 institute of the conical surface for the first of the protruding portion 411
It is smaller angle that the second actuation conical surface 422 of the cone angle of formation and the groove 421, which is formed by cone angle design, so as to
Suction when moment is attracted between dynamic iron core 42 and fixed core 41 is greatly improved, guarantees that electromagnet 1 also can be just under low-power
Often work；On the other hand, by the way that guide sleeve 50 is arranged between dynamic iron core 42 and skeleton 10, not only make the dynamic iron core 42 and institute
The no longer directly contact of skeleton 10 is stated, the electromagnet 1 because of caused by abrasion can be reduced and damaged, while 20 magnetic potential of coil can also be improved
Utilization rate, the temperature rise for reducing coil 20.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of electromagnet, including described in skeleton, the coil being wound on the skeleton, the outside positioned at the skeleton and covering
The magnetic yoke of skeleton and coil and the iron core for being housed in the skeletal internal, the iron core includes being fixedly connected with the magnetic yoke
It fixed core and is attracted positioned at the lower section and being moved up under electromagnetic force of the fixed core with the fixed core dynamic
Iron core, it is characterised in that: the electromagnet further includes the guide sleeve between the dynamic iron core and the skeleton, and the guide sleeve is solid
Due to the skeleton inner wall and be set in the outside of the dynamic iron core.
2. electromagnet according to claim 1, it is characterised in that: the guide sleeve is assembled and fixed in the skeleton
Wall, the guide sleeve and the skeleton integrated injection molding or force fit or small―gap suture bond.
3. electromagnet according to claim 1, it is characterised in that: on the actuation direction of the fixed core and dynamic iron core,
There is the first height, the upper surface of the dynamic iron core is led with described under original state between the upper surface and lower end surface of the guide sleeve
There is the second height, the fixed core has to be contacted with the upper surface of the dynamic iron core attracted contact between the lower end surface of set
Face has third height between the contact surface and the lower end surface of the guide sleeve.
4. electromagnet according to claim 3, it is characterised in that: the guide sleeve is made of permeability magnetic material, and described first is high
Degree is less than second height.
5. electromagnet according to claim 3, it is characterised in that: the guide sleeve is made of non-magnet material.
6. electromagnet according to claim 4, it is characterised in that: the guide sleeve, which has, to be set on the outside of the dynamic iron core
Magnetic-conductance portion and the non-magnetic portion above the magnetic-conductance portion, it is described to lead on the actuation direction of the fixed core and dynamic iron core
The height in magnetic portion is less than second height.
7. electromagnet according to claim 4, it is characterised in that: the guide sleeve includes being set on the outside of the dynamic iron core
First magnetic-conductance portion, the second magnetic-conductance portion being set on the outside of the fixed core and connection first magnetic-conductance portion and the second magnetic-conductance portion
Non-magnetic portion, on the actuation direction of the fixed core and dynamic iron core, the height of first magnetic-conductance portion is less than described second
Highly.
8. electromagnet according to claim 1, it is characterised in that: the fixed core has towards the dynamic iron core projection
Protruding portion, the corresponding groove being recessed with for accommodating the protruding portion of the dynamic iron core, under electromagnetic force, the dynamic iron core
It moves upwards until the protruding portion is contained in the groove.
9. electromagnet according to claim 8, it is characterised in that: the protruding portion has first to be attracted the conical surface, described recessed
Slot has second to be attracted the conical surface, and the first of the protruding portion is attracted the conical surface and forms 15~20 ° of cone angle, and the second of the groove
It is attracted the cone angle that the conical surface forms 20~25 °.
10. electromagnet according to claim 9, it is characterised in that: the first of the protruding portion is attracted the cone that the conical surface is formed
Angle is 18 °, and it is 23 ° that the second of the groove, which is attracted the cone angle that the conical surface is formed,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710981687.5A CN109698052A (en) | 2017-10-20 | 2017-10-20 | Electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710981687.5A CN109698052A (en) | 2017-10-20 | 2017-10-20 | Electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109698052A true CN109698052A (en) | 2019-04-30 |
Family
ID=66225098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710981687.5A Pending CN109698052A (en) | 2017-10-20 | 2017-10-20 | Electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109698052A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0483318A (en) * | 1990-07-25 | 1992-03-17 | Ckd Corp | Manufacture of solenoid |
| US5144272A (en) * | 1990-04-11 | 1992-09-01 | Mitsubishi Denki K.K. | Electromagnetic solenoid for oil hydraulic control valves |
| JP2000205432A (en) * | 1999-01-19 | 2000-07-25 | Rinnai Corp | Solenoid valve |
| JP2001343086A (en) * | 2000-05-31 | 2001-12-14 | Aisin Seiki Co Ltd | Solenoid valve device |
| US20130093548A1 (en) * | 2011-10-14 | 2013-04-18 | Claus Peter Hasel | Solenoid |
| CN205159025U (en) * | 2015-12-09 | 2016-04-13 | 安阳市华阳电磁铁制造有限公司 | Super large thrust dry -type electro -magnet |
| CN106352145A (en) * | 2016-09-29 | 2017-01-25 | 宁波江东晟创工业产品设计有限公司 | Magnetic valve structure for clean tail gas |
-
2017
- 2017-10-20 CN CN201710981687.5A patent/CN109698052A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5144272A (en) * | 1990-04-11 | 1992-09-01 | Mitsubishi Denki K.K. | Electromagnetic solenoid for oil hydraulic control valves |
| JPH0483318A (en) * | 1990-07-25 | 1992-03-17 | Ckd Corp | Manufacture of solenoid |
| JP2000205432A (en) * | 1999-01-19 | 2000-07-25 | Rinnai Corp | Solenoid valve |
| JP2001343086A (en) * | 2000-05-31 | 2001-12-14 | Aisin Seiki Co Ltd | Solenoid valve device |
| US20130093548A1 (en) * | 2011-10-14 | 2013-04-18 | Claus Peter Hasel | Solenoid |
| CN205159025U (en) * | 2015-12-09 | 2016-04-13 | 安阳市华阳电磁铁制造有限公司 | Super large thrust dry -type electro -magnet |
| CN106352145A (en) * | 2016-09-29 | 2017-01-25 | 宁波江东晟创工业产品设计有限公司 | Magnetic valve structure for clean tail gas |
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Application publication date: 20190430 |