KR101757312B1 - Storage container for magneto-rheological fluid - Google Patents
Storage container for magneto-rheological fluid Download PDFInfo
- Publication number
- KR101757312B1 KR101757312B1 KR1020150070038A KR20150070038A KR101757312B1 KR 101757312 B1 KR101757312 B1 KR 101757312B1 KR 1020150070038 A KR1020150070038 A KR 1020150070038A KR 20150070038 A KR20150070038 A KR 20150070038A KR 101757312 B1 KR101757312 B1 KR 101757312B1
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- KR
- South Korea
- Prior art keywords
- container
- magnetorheological fluid
- magnetic field
- magnetic
- storage device
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/20—External fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0225—Removable lids or covers without integral tamper element secured by rotation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
1. A magnetorheic fluid storage device comprising a container for storing a magnetorheological fluid by forming a receiving space therein to prevent separation of magnetic particles and a dispersion medium during storage, transportation or storage of the magnetorheological fluid And at least one magnetic bearing provided on at least one side of the container for applying a magnetic field to the magnetorheological fluid inside the container.
Description
BACKGROUND OF THE
Generally, a magneto-rheological fluid is a suspension in which magnetic particles are dispersed in a nonmagnetic solvent as a dispersion medium. The magneto-rheological fluid has a rheological behavior depending on the magnitude of an external magnetic field And a fluid exhibiting a magnetorheological phenomenon in which electrical, thermal, and mechanical physical properties are different.
The magnetorheological fluids are magnetic particles such as iron, carbonyl iron, iron alloy, iron oxide, nickel, cobalt and low carbon steel. Mineral oil, silicone oil, castor oil, paraffin oil and hydrocarbon oil are used as the dispersion medium. do. In addition, an additive such as organic clay or a surfactant is mixed with a solvent to prepare a magnetorheological fluid.
The magnetorheological fluid is used in various industrial fields such as a clutch and a damper of an automobile, and the produced magnetorheological fluid is put in a container and supplied to a desired consumer.
However, when the magnetorheological fluid is left for a long time, the magnetic particles are separated from the dispersion medium due to the difference in density between the dispersion medium and the magnetic particles, which constitute the magnetorheological fluid, in the container.
In order to use the magnetorheological fluid, the consumer has inconvenience of re-mixing or redispersing the separated magnetic particles and the dispersion medium in the container.
Magneto-rheological fluids contain heavy magnetic particles such as iron. Even if the container is small, it is too heavy to mix the particles evenly by shaking the container. Moreover, in the case where a large amount of magnetorheological fluid is used, delivery is made using a large container such as a drum. It is almost impossible to shake a large container, and it takes a lot of time and effort to stir the fluid in the container.
Accordingly, there is provided a magnetorheic fluid storage device capable of preventing separation of magnetic particles and a dispersion medium during storage, transportation, or storage of the magnetorheological fluid.
This embodiment is a magnetorheological fluid storage device including a container for storing a magnetorheological fluid by forming an accommodation space therein, the magnetorheological fluid storage device comprising: at least one side of the container, at least one side of which is magnetized with magnetorheological fluid inside the container; Or more of magnetic books.
This embodiment is a magnetorheological fluid storage device comprising a container for storing a magnetorheological fluid by forming a receiving space therein, the magnetorheological fluid storage device comprising: at least one side of the container, Or more of magnetic books.
This embodiment is a magnetorheological fluid storage apparatus including a container for storing a magnetorheological fluid by forming a receiving space therein, the magnetorheological fluid storage apparatus comprising: at least one side of the container, And at least one magnetic book formed at an upper portion thereof.
The magnetic field portion may be installed at the bottom of the container.
The magnetic field portion may be detachably installed in the container.
The storage device may further include a detachable portion for mounting the magnetic tape to the container.
The detachable portion may include a coupling groove formed outside the bottom of the container and extending to the side of the container, and a drawer member slidably inserted into the coupling groove, and coupled to the bottom of the container and having at least one stepped groove,
The detachable portion may include a fastening member protruding along the outer circumferential surface of the container, and a lower end member detachably fitted to the fastening member and having at least one stepped groove in which a magnetic field is placed.
A male screw may be formed on the outer circumferential surface of the fastening member and a female screw may be formed on the inner circumferential surface of the lower end member so as to be screwed to the fastening member.
The magnetic field portion may be a permanent magnet.
The magnetic field portion may be an electromagnet.
The magnetic field portion may have a structure that applies a magnetic field to the magnetorheological fluid from the bottom of the container toward the top thereof to one fifth point or more of the container.
The electromagnet is disposed in the case. The electromagnet is electrically connected to the electromagnet. The electromagnet is connected to the electromagnet. The electromagnet is connected to the electromagnet to switch the power supply on and off. . ≪ / RTI >
Wherein the magnetic field portion further comprises a power supply terminal provided at a drawer member or a lower end member of the detachable portion to supply external power to the battery portion, and at a position corresponding to the inner circumferential surface of the stepped groove of the outer surface of the case, A pair of electrical contacts for connecting the power supply terminal and the power supply terminal may be provided and the power supply terminal may be electrically connected to the power supply unit when the case is inserted into the detachment unit stepped groove.
The battery unit may be a rechargeable secondary battery.
The switch is installed in a drawer member or a lower end member of the detachable portion and is exposed to the outside. A pair of electrical contacts for connecting the switch and the battery portion are provided at positions corresponding to the inner circumferential surface of the stepped groove of the outer surface of the case and the stepped groove, When the case is inserted into the depressed portion stepped groove, the battery may be electrically connected to the switch.
The container may comprise a steel drum, and the magnetic field portion may include a coil wound around an outer circumferential surface of the drum, and a power source for applying power to the coil.
As described above, according to this embodiment, separation phenomenon between the magnetic particles and the dispersion medium can be prevented or remarkably reduced when the magnetorheological fluid is transported or stored for a long period of time.
In addition, the magnetorheological fluid contained in the container can be directly used without re-mixing or redispersing the magnetorheological fluid.
Further, there is an advantage that the storage and use of the magnetorheological fluid is more convenient by using the container of this embodiment.
1 is a partial cross-sectional view showing a first embodiment of a magnetorheic fluid storage device according to the present invention.
2 is a schematic view showing a configuration of a magnetorheic fluid storage device according to a first embodiment of the present invention.
3 is a partial cross-sectional view showing a second embodiment of the magnetorheic fluid storage device according to the present invention.
4 is a schematic view showing the configuration of a magnetorheic fluid storage apparatus according to a second embodiment of the present invention.
FIG. 5 is a schematic view showing the magnetic book structure of the magnetorheic fluid storage device according to the present invention. FIG.
FIG. 6 is a schematic view showing a configuration of a magnetorheic fluid storage apparatus according to a third embodiment of the present invention. FIG.
7 is a schematic view showing a magnetic particle arrangement state of a magnetorheic fluid by a magnetorheological fluid storage device according to the present invention.
8 is a graph showing sedimentation stability of the magnetorheological fluid storage device of this embodiment in comparison with the prior art.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Accordingly, the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The singular forms as used herein include plural forms as long as the phrases do not expressly express the opposite meaning thereto. Means that a particular feature, region, integer, step, operation, element and / or component is specified, and that other specific features, regions, integers, steps, operations, elements, components, and / And the like.
Figures 1 and 2 show a first embodiment of a magnetorheological fluid storage device.
The
Hereinafter, in this embodiment, a magnetorheological fluid in which magnetic particles are dispersed in a nonmagnetic solvent will be described as an example for storing the magnetorheological fluid. The present invention is not limited to this and is applicable to all fluids which contain magnetic particles and in which sedimentation occurs due to density difference.
The magnetorheological fluid is a magnetic particle suspension whose viscosity varies greatly with the intensity of the external magnetic field. Magneto-rheological fluid is produced by dispersing magnetic particles in a dispersion medium and is a fluid whose physical properties change depending on the intensity of a magnetic field applied from the outside.
Thus, when the
As shown in FIG. 1, the
The magnetic field (30) is for applying a magnetic field to the magnetorheological fluid accommodated in the container (20), and may be made of a permanent magnet.
Also, the
The magnetic field (30) is installed on one side of the container (20). In this embodiment, the
The
To this end, the storage device of the present embodiment may further include a detachable portion for mounting the
2, the detachable portion is formed outside the bottom 22 of the
The
A
A plurality of stepped
If the
Figs. 3 and 4 show another embodiment of a detachable portion for mounting a magnetic book in a container.
3 and 4, in the present embodiment, the detachable portion includes a
The
In this embodiment, the
A plurality of stepped
When the
As mentioned above, in the present embodiment, the
The magnetic field intensity of the
Through repetitive experiments, it was confirmed that the
Fig. 5 schematically shows the structure of the
5, the
The
The
In the present embodiment, the
In addition, the
5, the electrical connection between the outer surface of the
The
5, the outer surface of the
Figure 6 shows another embodiment of a magnetorheological fluid storage device.
As shown in FIG. 6, the
When electric current is supplied to the
The
The power source unit receives a power from the outside or applies a current necessary for the
Hereinafter, the operation of the apparatus will be described. In the following description, a structure in which the
The magnetorheological fluid contained in the
In this state, when a current is applied to the
The magnetorheological fluid keeps the magnetic particles arranged in a state where the magnetic field is continuously applied to the inside of the
Therefore, the magnetorheological fluid contained in the
When the
8 is a graph showing the sedimentation stability of the storage device of this embodiment compared with the prior art.
8, the embodiment is a storage device having a structure in which a magnetic field is applied to a container as mentioned above, and a comparative example is a conventional storage device that does not apply a magnetic field.
The experiment was carried out as follows. First, a container of the embodiment having the same shape and size and a container of the comparative example were prepared, and the containers were filled with the same magnetorheological fluid at the same time. Each container was left in a horizontal position and the degree of sedimentation of the magnetorheological fluid was measured at each set time. The initial state where sedimentation did not occur was taken as 100%, and the sedimentation stability was measured by measuring the degree of sedimentation at intervals of 12 hours.
The sedimentation stability was calculated as (100 - (supernatant volume / total magnetorheological fluid volume) * 100,%). Here, the supernatant refers to a layer of the uppermost layer separated by sedimentation of magnetic particles in a magnetorheological fluid.
As a result of the experiment, as shown in the graph of FIG. 8, in the comparative example, sedimentation occurs in the magnetorheological fluid over time and the sedimentation stability deteriorates. On the other hand, in the case of this embodiment, it is confirmed that sedimentation of the magnetorheic fluid does not occur even if the time elapses .
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Of course.
10: storage device 20: container
22: bottom 30: magnetic book
32: Case 34: Electromagnet
36: Whole-body part 38: Switch
40: fastening groove 42: drawer member
44: stepped groove 46: flange
48: step 50: fastening member
52: lower end member 54: stepped groove
60:
Claims (14)
And at least one magnetic book formed on at least one side of the container and deforming the physical properties of the magnetorheological fluid similarly to the solid phase to form a magnetic particle sedimentation layer of the magnetorheological fluid spaced from the bottom of the container,
The magnetorheological fluid is used separately from the container,
Wherein the separation of the magnetic particles and the dispersion medium during transportation or storage of the magnetorheological fluid is reduced.
Wherein the magnetic field portion is installed at the bottom of the container.
Wherein the storage device further comprises a detachable portion for mounting the magnetic tape to the container.
Wherein the detachable portion includes a drawer member formed outside the bottom of the container and extending to the side of the container, a drawer member slidably inserted into the engaging groove and coupled to the bottom of the container and having at least one stepped groove, Device.
Wherein the detachable portion includes a fastening member protruding along an outer circumferential surface of the container, and a lower end portion formed by being detachably fitted to the fastening member and having at least one stepped groove in which a magnetic field is placed.
Wherein a male screw is formed on an outer circumferential surface of the fastening member and a female screw is formed on an inner circumferential surface of the lower end member and screwed to the fastening member.
Wherein the magnetic field portion is a permanent magnet.
Wherein the magnetic field portion is an electromagnet.
Wherein the magnetic field portion has an outer shape and is fitted in a stepped groove of the attaching / detaching portion, an electromagnet provided in the case, a power source electrically connected to the electromagnet to supply power, and a switch Wherein the magnetorheological fluid storage device comprises:
The switch is installed on a drawer member or a lower member of the detachable portion and is exposed to the outside,
A pair of electrical contacts for connecting the switch and the battery unit are provided at positions corresponding to the outer surface of the case and the inner surface of the stepped groove of the attaching / detaching unit. When the case is inserted into the detachment unit stepped groove, the battery and the switch are electrically connected Structure of magnetorheological fluid storage device.
Wherein the magnetic field unit further comprises a power supply terminal installed at a drawer member or a lower member of the detachable unit to supply external power to the battery unit,
A pair of electrical contacts for connecting the battery and the power supply terminal are provided at positions corresponding to the outer surface of the case and the inner surface of the stepped groove of the attaching / detaching unit. When the case is inserted into the attaching / The magnetostrictive fluid storage device having a structure in which the magnetostrictive element is electrically connected.
Wherein the battery unit is a rechargeable secondary battery.
Wherein the container comprises a steel drum, and the magnetic field portion includes a coil wound around an outer circumferential surface of the drum, and a power source for applying power to the coil.
Priority Applications (1)
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KR1020150070038A KR101757312B1 (en) | 2015-05-19 | 2015-05-19 | Storage container for magneto-rheological fluid |
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KR1020150070038A KR101757312B1 (en) | 2015-05-19 | 2015-05-19 | Storage container for magneto-rheological fluid |
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KR1020170085818A Division KR20170083516A (en) | 2017-07-06 | 2017-07-06 | Storage container for magneto-rheological fluid |
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KR20160136183A KR20160136183A (en) | 2016-11-29 |
KR101757312B1 true KR101757312B1 (en) | 2017-07-12 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190120562A (en) | 2018-04-16 | 2019-10-24 | 김영근 | Device for storaging fluid |
WO2023163292A1 (en) * | 2022-02-28 | 2023-08-31 | 주식회사 씨케이머티리얼즈랩 | Method for evaluating characteristics of magnetorheological fluid |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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SE2150915A1 (en) * | 2021-07-08 | 2023-01-09 | Husqvarna Ab | Improved fuel and oil combination storage container |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR200405582Y1 (en) * | 2005-10-31 | 2006-01-10 | 최완성 | wellbeing bottle |
JP2010508404A (en) * | 2006-10-30 | 2010-03-18 | エスティーシー. ユーエヌエム | Magnetically sensitive particles and mixing device thereof |
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2015
- 2015-05-19 KR KR1020150070038A patent/KR101757312B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200405582Y1 (en) * | 2005-10-31 | 2006-01-10 | 최완성 | wellbeing bottle |
JP2010508404A (en) * | 2006-10-30 | 2010-03-18 | エスティーシー. ユーエヌエム | Magnetically sensitive particles and mixing device thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190120562A (en) | 2018-04-16 | 2019-10-24 | 김영근 | Device for storaging fluid |
WO2023163292A1 (en) * | 2022-02-28 | 2023-08-31 | 주식회사 씨케이머티리얼즈랩 | Method for evaluating characteristics of magnetorheological fluid |
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