Samsung Electro-mechanics Co., Ltd.

Samsung Electronics Co., Ltd.

Mando Corporation

Hl Mando Corporation

Yonsei University

Postech Academy-industry Foundation

Jong Han Kim

Seung Ho Lee

Min Gon Lee

Jae Sung Park

Jeong Ryeol Kim

Yoon Hee Lee

Joon Hee Kim

Kang Heon Hur

Hyung Soon Kwon

Woo Sup Kim

Jun Jin Kong

Young Jun Hong

Kyoung Lae Cho

Joon Seong Kang

Hyoung Uk Kim

Chang Soon Park

Seung-Hwan Song

Jae Man Park

Young Hwan Lee

Hyun Chul Jeong

Jae Yeol Choi

Su Hwan Cho

Hee Sun Chun

Kum Jin Park

Tae Young Ham

Ki Myoung Yun

In Tae Seo

Jae Hong Kim

Sang Hyun Park

Doo Young Kim

Heeseok Eun

Dae Bok Oh

Sung-Jae Byun

Yoon Dong Park

Chung Eun Lee

Jeong Yun Park

Sun Ho Yoon

Kwang Hee Nam

Jae Seok Kim

Myung Woo Lee

Jaehong Kim

Jin Woo Choi

Chang Hak Choi

Jong Hwa Lee

Seung Hoon Lee

Kyoung Jin Cha

Jae Sun Won

Byung Hoon Ko

Yong June Kim

Jae Joon Lee

Dong Seong Oh

Jong Wook Lee

Kyung Su Lee

Eung Soo Kim

Don Sik Kim

Young Geun Choi

Jae Hoon Jeong

Sung Chung Park

Byung Chan Lee

Chul Seung Lee

Tae Won Heo

Jae Wook Shim

Sung Soo Hong

Sang Kyoo Han

Beom Seock Oh

Ha Yong Jung

Hi Chan Moon

Wi Heon Kim

Chung Wook Roh

Dong Jun Jung

Ji Young Park

Sung Heum Park

Kyu Suk Lee

Min Gi Sin

Jong Hoon Yoo

Yoon Sun Park

Hyun Chul Jung

Jae Young Bae

Hyung Joon Jeon

Young Kyu Park

Nam Phil Jo

Jun Hee Kim

Sung Bum Sohn

Dong Joong Kim

Hyo Sub Kim

Seung Wan Chae

Chi Hwa Lee

Kang Hyun Lee

Jin Seong Kim

Hak Ryong Kim

Jun Oh Kim

Berm Ha Cha

Hong Yong Bhae

Seong Han Park

Chan Kong Kim

Jang Ho Lee

Dong Hun Yu

Jai Joon Lee

Young Ky Kim

Heung Ju Kim

A dielectric material includes a main component represented by (BaCa)(Ti(Zr, Sn, Hf))O(0≤x≤1 and 0≤y≤0.5); a first subcomponent including at least one of elements among Y, Dy, Ho, Er, Gd, Ce, Nd, Nb, Sm, Tb, Eu, Tm, La, Lu, and Yb; a second subcomponent including Si and/or Al; and a third subcomponent including Ba and/or Ca.

Dielectric material and multilayer ceramic electronic component including the same

The present embodiments relate to a worm wheel of a steering system speed reducer, and provide a worm wheel of a steering system speed reducer, and a manufacturing method therefor, the worm wheel comprising: an external toothed part having a ring shape, external gear teeth provided on the outer peripheral side thereof, insertion grooves provided on the inner peripheral side thereof, and coupling holes provided on the upper surface and/or the lower surface thereof; an internal toothed part, which has a ring shape, is inserted into the external toothed part, has insertion protrusions provided on the outer peripheral side thereof, and has coupling protrusions provided at locations corresponding to the coupling holes; a hub to which a steering shaft is coupled; and a boss part provided between the outer peripheral side of the hub and the inner peripheral side of the external toothed part.

Worm wheel of steering system speed reducer, and manufacturing method therefor

A multilayer capacitor includes a capacitor body including dielectric layers and internal electrodes alternately disposed with the dielectric layers interposed therebetween; and an external electrode disposed on the capacitor body to be connected to one or more of the internal electrodes. Porosity of ends of the internal electrodes is less than 50% on an interfacial surface between a margin of the capacitor body in a width direction the capacitor body and the internal electrodes.

Multilayer capacitor including internal electrodes having pores on ends thereof and board having the same mounted thereon

A dielectric composition and a multilayer capacitor including the same are provided. The dielectric composition includes a BaTiO-base main component, a first subcomponent including an Nb component and a Gd component, a second subcomponent including an Mg component, and a third subcomponent including a Ba component and a Ca component. The first subcomponent is included in an amount of 4 moles or less per 100 moles of the main component. In the first subcomponent, a molar content of Nb and a molar content of Gd satisfy 0.33≤Nb/Gd, and in the third subcomponent, a molar content of Ba and a molar content of Ca satisfy 0.2≤Ca/(Ba+Ca).

Dielectric composition and multilayer capacitor

A dielectric composition includes one of BaTiO, (Ba,Ca)(Ti,Ca)O, (Ba,Ca)(Ti,Zr)O, Ba(Ti,Zr)Oand (Ba,Ca)(Ti,Sn)O, as a main component, a first subcomponent including a rare earth element, and a second subcomponent including at least one of a variable valence acceptor element and a fixed valence acceptor element. When a sum of contents of the rare earth element is defined as DT and a sum of contents of the variable valence acceptor element and the fixed valence acceptor element is defined as AT, (DT/AT)/(Ba+Ca) satisfies more than 0.5 and less than 6.0. In addition, a multilayer electronic component including the dielectric composition is provided.

Dielectric composition and multilayer electronic component including the same

Embodiments of the present invention may provide a vehicle steering column comprising: a hollow-shaped upper tube in which a steering shaft is fitted; a middle tube coupled to the outer circumferential side of the upper tube so as to allow the axial telescopic movement of the upper tube; a lower tube coupled to the outer circumferential side of the middle tube so as to allow the axial telescopic movement of the middle tube; a mounting bracket coupled to the outer circumferential side of the lower tube; and a telescopic link member which is coupled at one end thereof to a telescopic motor and a telescopic speed reducer, provided at the lower tube, and is coupled at the other end thereof to the upper tube.

Vehicle steering column

According to various example embodiments, there is provided a steering column for an automotive vehicle including, an inner tubesurrounding a steering shaft, an outer tubeinto which the inner tubeis inserted, a nut screwmounted on the outside of the outer tubeand fixed to the inner tube, and a first lead screwwhich is inserted into the nut screwand screwed therein and is rotated by a motor. In the steering column for the automotive vehicle, the nut screwand the inner tubeare transferred together by translational motion by rotation of the first lead screw

Steering column for automotive

A multilayer ceramic capacitor includes a ceramic body including first and second surfaces opposing each other, and third and fourth surfaces connecting the first and second surfaces, a plurality of internal electrodes disposed inside the ceramic body, exposed from the first and second surfaces, and having an end exposed from the third surface or the fourth surface, and a first side margin and a second side margin respectively disposed on the first and second surfaces, from which end portions of the plurality of internal electrodes are exposed. The first and second side margins include a base material powder of a barium titanate-based base powder and a subcomponent. The subcomponent includes terbium (Tb) as a first subcomponent including a lanthanide rare earth element, and a content ratio of the terbium (Tb) to a content of the first subcomponent (RE) excluding the terbium (Tb) satisfies 0.110&#x2264;Tb/RE&#x2264;2.333.

Multilayer ceramic capacitor

A power transmission device of a steering system. A first connector includes a cylindrical first support coupled to one of coaxial first and second shafts and first coupling portions extending axially from inner circumferential portions of the first support. A second connector includes a second support coupled to the other of the first and second shafts and fitted into the first support and second coupling portions extending axially from outer circumferential portions of the second support. A damper includes outer support recesses provided in outer circumferential portions thereof, with the first coupling portions being fitted into the outer support recesses, and inner support recesses provided in inner circumferential portions thereof, with the second coupling portions being fitted into the inner support recesses, wherein the damper is coupled between the first connector and the second connector.

Power transmission device of steering system

A power transmission device of a steering system. A first connector includes a first coupling portion coupled to a first shaft and first supporting portions protruding axially from the first coupling portion. A second connector includes a second coupling portion coupled to a second shaft disposed coaxially with the first shaft and second supporting portions protruding axially from the second coupling portion to be circumferentially spaced apart from the first supporting portions. A damper is coupled axially between the first connector and the second connector, and includes blades supported circumferentially between the first supporting portions and the second supporting portions.

A vehicle steering apparatus. The durability of a sensor rotor to heat and abrasion is improved. The flatness of the sensor rotor is prevented from being lowered during calking for coupling of the sensor rotor to a steering shaft so that steering torque of a driver can be more accurately detected. A fabrication process is simplified, and fabrication costs are reduced.

Vehicle steering apparatus

A dielectric composition includes one of BaTiO, (Ba,Ca) (Ti,Ca)O, (Ba,Ca) (Ti,Zr)O, Ba(Ti,Zr)Oand (Ba,Ca) (Ti,Sn)O, as a main component, a first subcomponent including a rare earth element, and a second subcomponent including at least one of a variable valence acceptor element and a fixed valence acceptor element. When a sum of contents of the rare earth element is defined as DT and a sum of contents of the variable valence acceptor element and the fixed valence acceptor element is defined as AT, (DT/AT)/(Ba+Ca) satisfies more than 0.5 and less than 6.0. In addition, a multilayer electronic component including the dielectric composition is provided.

A reducer of an electric power steering apparatus includes: a worm shaft having a first end thereof supported by a first bearing coupled to a housing and a second end supported by a second bearing coupled to the housing; a damper axially supported on an outer race of the second bearing; and a damper support member having a first side axially supported on the damper and a second side supported on an inner face of the housing. The worm shaft can be assembled with constant rotational torque at an accurate position with respect to the centers of the bearings at the opposite ends. And, the axial and radial movements of the worm shaft can be buffered and the load applied to the worm shaft in the direction in which the worm shaft is engaged with the worm wheel can be reduced.

Reducer of electric power steering apparatus

A reducer of an electric power-assisted steering apparatus includes: a second shaft that is gear-coupled to a worm wheel by a worm disposed on an outer circumference of the second shaft and is connected to a first shaft driven by a motor through a power transfer member; a bearing coupled to an inside of a gear housing so as to support rotation of the second shaft; and a ring-shaped fixing member that is coupled to the second shaft and supported by one side of the bearing, and provides support between the second shaft and the bearing, thereby preventing the second shaft from escaping from the power transfer member.

Reducer of electric power-assisted steering apparatus

Growing community of inventors

Gyunggi-do, South Korea

Jong Han Kim