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Byung-Yun
Byung-Yun Choi, Wonju-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080202605 | Filter and pressure control valve of electronically controllable power steering apparatus including the same - A filter includes top and bottom support frames, and one or more middle support frames, which are arranged in such a manner that a second stepped area recessed by a predetermined depth from the outer circumferential surfaces of the top and bottom support frames is formed by the top and bottom support frames and the middle support frames. A pressure control valve of an electronically controllable power steering apparatus includes: a hollow valve body having a first stepped area with a predetermined depth, the first stepped area being formed on the outer circumferential surface of the valve body, where a supply port is formed; and the above-mentioned filter, the filter being fitted in the first stepped area of the valve body. The filter can minimize change of pressure at the filter area while assuring smooth supply of the hydraulic fluid, and can reduce the number of parts, the number of fabricating steps, and the material costs of such a pressure control valve. | 08-28-2008 |
| 20100251839 | RACK BUSH AND RACK PINION TYPE STEERING APPARATUS HAVING RACK BUSH FOR VEHICLE - Disclosed is a rack bush and a rack pinion type steering apparatus having the rack bush for a vehicle, which can smoothly support a load in an axial direction and a vertical direction of a rack bar so that it is possible to reduce abnormal abrasion of the rack bush, reduce a rattle noise caused by external force transferred through the rack bar during movement of the rack bar, and prevent damage to the rack bar and a pinion through distribution of the load due to an external impact on the shaft. | 10-07-2010 |
Byung-Yun Choi, Wonju KR
| Patent application number | Description | Published |
|---|---|---|
| 20090308242 | PINION VALVE BODY AND PINION VALVE ASSEMBLY FOR VEHICLE EQUIPPED WITH THE SAME - A pinion valve body and a vehicle pinion valve assembly with the valve body are disclosed. The pinion valve body has a lower sleeve integrally formed by a sintering process along with upper splines to block an oil leakage and thus there are no needs any more for the conventional separate lower sleeve as well as the associated machining of sleeve fitting areas on the valve body and the process of press-fitting such sleeve all together, thereby effectively reducing the general manufacturing steps and their cost. | 12-17-2009 |
| 20100155172 | HYDRAULIC POWER STEERING APPARATUS - A hydraulic power steering apparatus for a vehicle is disclosed. The hydraulic power steering apparatus for a vehicle forms a working fluid film between a piston reciprocating within a cylinder tube and a piston ring in order to provide an accurate auxiliary steering force by preventing leakage of a working fluid between right and left cylinders during the operation of a steering wheel by the driver. | 06-24-2010 |
Byung-Yun Lee, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110292207 | NETWORK SWITCH CONTROL DIGITAL VIDEO RECORDER - A network switch control digital video recorder (DVR) is provided. The network switch control DVR includes a network switch module configured to include a plurality of ports via which data is input to or output from at least one camera, a network storage, an external computer, and a DVR module and to multiplex data input or output via the plurality of ports; and the DVR module configured to control the input or output of data to or from the network switch module by monitoring a state of the input or output of data via the plurality of ports. | 12-01-2011 |