DAMPER FOR DECREASING VIBRATION OF MAIN ENGINE
The present invention refers to period damper damping tube are disclosed. Period of tube (the main engine) ship during operation generates an object lens, such period tube located on the hull into a free vibration of dwelling opening (deck house). The various hull structure having damaged by vibration and, in particular, dwelling in opening by vibration are enable embarkation feeling. The, period for mitigating vibration transmitted tower bracing ship hull tube device is combined with each other. A high pressure chamber defined by a cylinder and a piston device conventional tower bracing period by the hull tube connected between the fluid pressure is controlled by changing the period by varying the natural vibration frequency of a rigid tube to reduce transverse vibrations transmitted to the hull tube period designed substrate. Most of the internal pressure control valve is provided in the high pressure chamber a self device tower bracing oil or compressed gas while being sealed with a charging. The device includes various operators in response to changes in condition tower bracing ship didn't. In addition, leakage of the fluid from the high pressure chamber along the ship's aging device is existing tower bracingtower bracing respond to it the first vibration damping characteristic changing device implantation due to device performance to be coated. The period of vibration by replacing a number in a database said tower bracing[e[e] it will do means are disclosed. Working fluid entrained in air volume elastic modulus decrease and thereby reducing the cyclic number damper for vibration damping tube etched hole. One of the present invention for a vehicle has a hull of a marine vessel that is accommodated in the embodiment according to period tube coupled to one of magnetic type arm fluid diameters, said cylinder lid coupled through a period once coupled, the other end of the cylinder central axis and said free end to prevent said partially therein with said central axis at the inside of the cylinder, coil winding coil winding at a outer peripheral surface, a current upon application of a magnetic field said formed section is formed with surrounding said particles in said particle chain chain supporting observation period and a piston, said cylinder is installed said magnetic type arm fluid there is also injected fluid injection, said cylinder air evacuation of air holes can be a delivery valve is installed. Said pressure gauge for measuring the cylinders is provided with an inner space can be. Said pressure gauges are disposed adjacent to said fluid injection valve number 1 pressure gauge, said air discharge valve are arranged adjacent to the pressure gauge number 2 can be composed. One end of said tube is coupled by a joint central axis and period curling spherical portion, said spherical curl joint unit, coupled to said central axis and cycle tube a pair of joint housing, a pair of said inner ball and said inner ball joint housing pushed each connecting rod can. Not have through holes which are provided with said cylinder in said center axis, said through hole is with O-can be. One side of said cylinder said cylinder projects along said central axis said other end of the extension portion is formed with a projecting engaging said projecting coupled hull can be located inside. Hull adheres to said one side facing said central axis said sunken inward with collision avoidance can be avoided collision with said hull can be lighting. With said coil axis can be. Working fluid entrained in air volume thereby reducing the decrease and modulus of elasticity equal to or less than. Figure 1 shows a schematic diagram of the cross-section for a vehicle tube according to an embodiment of the present invention period also are disclosed. Figure 2 shows a tube according to an embodiment of the present invention for a vehicle of a current pulse period also detected particle chain formed partially magnifying section are disclosed. Figure 3 shows a tube according to an embodiment of the present invention for a vehicle ball joint of period also moved do with his shown schematic cross-section are disclosed. Hereinafter, a preferred embodiment of the present invention with reference to the attached drawing shapes described substrate. However, various other forms of the present invention embodiment can be shape, embodiment of the present invention hereinafter described form and not the limited range. In addition, the present invention in the field of the present invention embodiment form are advantageously easier to average knowledge with which to more completely account for the ball number are disclosed. Drawing description more specifically for and apparatus or the like in the shape and size of the elements can be. Figure 1 shows a schematic diagram of the cross-sectional drawing and also according to an embodiment of the present invention for a vehicle tube period, a current pulse period of Figure 2 according to an embodiment of the present invention for a vehicle tube formed partially magnifying and detected particle chain section, for a vehicle ball joint of Figure 3 according to an embodiment of the present invention period tube moved do with his shown schematic cross-section are disclosed. With reference also to the 3 1 also, period tube according to an embodiment of the present invention for a vehicle (100) is magneto therein (30) are positioned one side of the ship's hull (20) coupled to the cylinder (120) can be with. Wherein, cylinder (120) one side of cylinder (120) protruded along the rim of the hull (20) coupled to the projecting portion (122) can be with, projecting portion (122) inside of the hull (20) can be formed between the interior space. In addition, cylinder (120) both sides the after alcoholic beverage it will do not have longitudinal central axis (140) through holes (124) can be provided with a through hole (124) and central axis (140) O-ring from the first edge faces (102) can be interposed. Said O-ring (102) comprises a cylinder (120) on a central axis (140) to the clearances between the magneto (30) can be prevented from being connecting hose outside. The term direction defining the cylinder (120) in the longitudinal direction of the means by which, based on the hull also 1 (20) coupled to a cylinder (120) toward the other side and of big direction or vice versa. Cylinder (120) magnetic type arm fluid fluid injected at a lower part of an injection valve (130) is provided and, cylinder (120) evacuation of air holes for air discharge valve (132) a semiconductor device is provided. As such, fluid injection valve (130) and an air discharge valve (132) is provided in a magnetic type arm fluid injection air cylinder (120) can be due an interior void of a prevent are disclosed. The residual greater than carefully, first fluid injection valve (130) is opened and the heat intercepting structure of 1e14 ions. The, air discharge valve (132) also fluid injection valve (130) is opened together with the cylinder (120) exhausting air inside each other. Then, cylinder (120) of air discharge is complete air discharge valve (132) and locking, a predetermined continuously heat intercepting structure of magnetic preload type arm fluid apart from each other. The, cylinder (120) internal air of the cylinder (120) improve internal vent from the damping efficiency are disclosed. On the other hand, cylinder (120) for measuring a dampener is an inner space (134) can be provided. Pressure gauge (134) of the fluid injection valve (130) disposed adjacent to number 1 pressure gauge (134a) on, air discharge valve (132) disposed adjacent to the number 2 pressure gauge (134b) can be composed. In addition, pressure gauge (134) cylinder (120) through air outlet and magnetic type arm fluid implantation inside of preload and dynamic pressure measured attenuation can be preventing performance degradation. On the other hand, said cylinder (120) is cylinder (120) through holes (124) coupled through a period once lid engaged to a cylinder (120) to prevent a partially free end central axis (140) can be with. The central axis (140) and one end of period tube (10) between the spherical curl (spherical) joint section (150) can be combined. Said spherical curl (spherical) joint section (150) to specifically residual, spherical curl (spherical) joint section (150) includes a central axis (140) and cycle tube (10) which is coupled to a pair of joint housing (154) and, a pair of said joint housing (154) inserted into the rotating inner ball (156) and said each inner ball (156) connecting rod (158) can be composed. I.e., rod (158) to both ends of each inner ball (156) can be coupled, said inner ball (156) the joint housing (154) can be inserted into the rotating. Spherical curling (spherical) joint section (150) includes a hull (20) operates a hydraulic pressure is shortened with the aid of the hull through the water for the ship floats (20) is shortened by water even when spherical curl (spherical) joint section (150) central axis by (140) torsion can be prevented. But, spherical curl (spherical) joint section (150) includes a central axis (140) and cycle tube (10) by connecting the various joint section changeable found each other. In addition, central axis (140) other end of the extension cylinder (120) through holes (124) through said projecting portion (122) inside, i.e. projecting portion (122) on the hull (20) disposed between the internal space can be located. In addition, central axis (140) with the coil can be, e.g. with aluminum can be. This the after alcoholic beverage it will do coil (164) when current is applied to prevent the delivered to the outside of magnetism for are disclosed. Said central axis (140) the piston (160) binding to enable piston (160) comprises a cylinder (120) arranged at the inside of outer peripheral surface coil (164) the winding coil winding (162) can be with. Wherein, coil (164) improve current magnetic field particle chain formed section (166) can be formed, period tube (10) in said rectangular particle chain (166) can be supported. On the other hand, hull (20) of said central axis (140) one side facing the hull (20) inwardly sunken central axis (140) collision can be avoided with collision avoidance unit (21) can be with. I.e., period tube (10) difference or hull (20) when a hydraulic pressure is contracting by central axis (140) to move longitudinally with the integrally formed with the hull (20) on a central axis (140) for a hull for (20) one side of collision avoidance unit (21) can be with. As said, the, cylinder (120) internal air of the cylinder (120) improve internal vent from the damping efficiency are disclosed. In addition, pressure gauge (134) cylinder (120) through air outlet and magnetic type arm fluid implantation inside of preload and dynamic pressure measured attenuation can be preventing performance degradation. Hereinafter, operation of the process for each period according to an embodiment of the present invention configured for a vehicle tube such as said heat-sensors other. Ship period of tube (10) is provided to the side is the ground vibration and, the coil (164) current can be applied to the disclosed. Coil (164) is provided to the user by the current applied when electric current is applied to magnetic field (E) and magnetic field (E) as shown in the 2 also formed part has background particle chain (166) can be formed. The piston (160) is said particle chain (166) supported by one movement number can be disclosed. In addition, period tube (10) has a non-uniform particle is generated because of vibration of vibration chain (166) of polypropylene or Teflon particle chain generates (166) is temporarily operational number to can be, the piston (160) comprise longitudinally move rearward before/can be. The, cylinder (120) are supported by magneto (30) acts of piston (160) is returned to be coated. As a result said particle chain (166) and pulling the number in period tube (10) in case can be damping, vibration can be electrodes are entering the dwelling. On the other hand, if water pressure hull by ship or permits (20) can be retracted. The hull and a retracted position (20) by said central axis (140) can be used as reaction to prevent spherical curl (spherical) joint section (150) is combined with each other. I.e., hull (20) when a is shortened by water pressure, as shown in also 3 inner ball (156) and rod (158) is rotated central axis (20) applied to prevent the twist of the, period tube for a vehicle (100) is such a state is in said particle chain (166) by period tube (10) can be transmitted from the vibrations. Of the present invention in the embodiment of the present invention detailed above is supported by the SFC but not limited to scope of the invention, a technical idea of the present invention claims various modifications and modified within a range that it is possible to from a heavy person with skill in the art may be permitted sugar art will-case. 100: period tube for a vehicle 120: cylinder 140: central axis 160: piston The present invention relates to a damper for decreasing vibration of a main engine, comprising: a cylinder receiving a magnetorheological fluid therein and coupled to a hull of a ship at one side; a center shaft, coupled through the cylinder, of which one end is coupled to a main engine and the other end is exposed to the outside of the cylinder to be formed into a free end; and a piston provided at an inner side of the cylinder to be coupled with the center shaft, providing a coil wound portion in which coil is wound at an outer circumferential surface, wherein a particle chain is formed in a section formed in a magnetic field when applying current to the coil and the particle chain is supporting vibration generated from the main engine. According to the present invention, a fluid injection valve in which the magnetorheological fluid is injected is installed at a lower end portion of the cylinder, and an air discharge valve is installed at an upper end portion of the cylinder to discharge air. COPYRIGHT KIPO 2017 Coupled to one side of the ship's hull is accommodated inside magnetic type arm fluid cylinder; said cylinder lid coupled through a period once coupled, the other free end partially to prevent said cylinder central axis; and said cylinder therein with said inside from the central axis, the outer peripheral surface with a coil winding coils, a current upon application of a magnetic field said formed section is formed with surrounding said particles in said particle chain observation period chain supporting piston; wherein, said injected fluid injection is installed there is also a magnetic type arm fluid said cylinder, said cylinder holes periodic tube air evacuation of air delivery valve is installed for a vehicle. According to Claim 1, said periodic tube pressure gauge for measuring the cylinders is provided with an inner space for a vehicle. According to Claim 2, said pressure gauges are disposed adjacent to said fluid injection valve number 1 pressure gauge, said air discharge valve are arranged adjacent to a periodic tube consisting of a pressure gauge number 2 for a vehicle. According to Claim 1, one end of said central axis and are joined by curling the period tube includes spherical joint, said spherical curl joint unit, coupled to said central axis and cycle tube a pair of joint housing, a pair of said inner ball and said inner ball joint housing pushed each connecting rod including period tube for a vehicle. According to Claim 1, not have through holes which are provided with said cylinder in said center axis, said through hole is a periodic tube with O-for a vehicle. According to Claim 1, one side of said cylinder said cylinder projects along said central axis said other end of the extension portion is formed with a projecting portion projecting coupled hull located inside said cyclic tube for a vehicle. According to Claim 1, said one side facing said central axis to said hull adheres to said hull into a collision with a periodic tube can be avoided with collision avoidance module for a vehicle. According to Claim 1, said coil axis with a periodic tube for a vehicle.