1
Min Ok Ryul, Cho Kyung Seok: Stator for axial flow fan. Halla Climate Control, July 5, 2000: EP1016790-A2 (4 worldwide citation)

An airflow guide stator vane for an axial flow fan and a shrouded axial flow fan assembly having such stator vanes are disclosed. The airflow guide stator vane has a leading edge line, a trailing edge line, and an airflow guide surface extending from the leading edge line to the trailing edge line. ...


2
Cho Kyung Seok, Min Ok Ryul, Park Chang Ho, Park Se Young: Fan assembly. Halla Climate Control, September 3, 2003: EP1340921-A2 (4 worldwide citation)

A fan and shroud assembly includes a fan has a hub rotating around one shaft and a plurality of blades extending outwardly from the hub, a shroud encompassing the fan to adjust airflow by rotation of the fan, a guide ring portion located at a position where a predetermined gap exists between the shr ...


3
Min Ok Ryul, Cho Keiseki: Axial fan guide vane and axial fan shroud assembly provided therewith. Halla Climate Control Corporation, July 25, 2000: JP2000-205194 (4 worldwide citation)

PROBLEM TO BE SOLVED: To improve the blowing efficiency by forming a plurality of radially arranged guide vanes on the shroud provided so as to cover the blowing direc tion front surface of an axial fan, and forming each guide vane in a chord shape so that the front edge line is substantially orthog ...


4
Min Ok Ryul, Cho Kyung Seok: Axial flow fan. Halla Climate Control, July 5, 2000: EP1016788-A2 (1 worldwide citation)

An axial flow fan is disclosed. The axial flow fan comprises a hub, a plurality of blades extending radially outwardly from the hub, and an outer band surrounding peripheral ends of the blades. The median sweep angle of each blade increases gradually from 0 DEG along the outward radial direction. Th ...


5
Min Ok Ryul, Cho Keiseki: Axial flow fan. Halla Climate Control Corporation, July 25, 2000: JP2000-205190

PROBLEM TO BE SOLVED: To provide an axial flow fan having a high blowing efficiency and emitting less noises with the vane curve angle, vane width, intallation angle, etc., designed in the optimum conditions. SOLUTION: An axial flow fan is composed of a hub 1, a number of vanes 2 formed radially on ...


6
Min Ok Ryul: Assembly of a fan and a shroud having a through hole for cold air in order to take in air into a fan controller from outside of the shroud. Halla Climate Control, October 8, 2008: KR1020070032839

PURPOSE: An assembly of a fan and a shroud are provided to improve heat emission efficiency of a fan controller as remaining low-temperature air is introduced. CONSTITUTION: An assembly of a fan(10) and a shroud(20) includes a hub(13), the fan, the shroud, and a fan controller(30). The hub is couple ...


7
Jeong Sun An, Min Ok Ryul, Cho Byoung Sun: Fixing structure of a fan assembly for preventing noise by firmly assembling a pressure piece with a support rib against vibration. Halla Climate Control, November 23, 2006: KR1020050040617

PURPOSE: A fixing structure of a fan assembly is provided to restrict noise among a radiator tank, a fan and a shroud by firmly assembling a pressure piece with a support rib without movement in spite or clearance from wear or resin deformation. CONSTITUTION: A radiator(30) having upper and lower he ...


8
Min Ok Ryul: Motor assembly using anti-erosion member to prevent corrosion of commutator. Halla Climate Control, November 25, 2005: KR1020040036645

PURPOSE: A motor assembly is provided to prevent corrosion of a commutator due to humidity and prevent accumulation of pollutants by using an anti-corrosion member. CONSTITUTION: A motor assembly includes a motor case(20), a shaft(11), and a commutator(12). The motor case includes a stator. The shaf ...


9
Hong Sa Young, Min Ok Ryul, Jung Woo Youl: Fan shroud assembly capable of improving cooling efficiency by preventing air passed through ventilation hole of shroud from being interfered in air flow direction. Halla Climate Control, November 28, 2005: KR1020040036649

PURPOSE: A fan shroud assembly is provided to permit the air passed through the ventilation hole of a shroud to flow without being collided against the obstacle positioned in rear of the shroud. CONSTITUTION: A fan shroud assembly(100) comprises a plurality of ventilation holes(104) formed around a ...


10
Jeong Sun An, Min Ok Ryul, Cho Byoung Sun: Heat exchanger with improved performance of heat exchange by increasing density of cooling fins. Halla Climate Control, June 22, 2007: KR1020050125603

PURPOSE: A heat exchanger is provided to increase the density of cooling fins around a fan shroud installed larger for improving performance of heat exchange and lowering capacity of the fan shroud. CONSTITUTION: A heat exchanger includes a plurality of tubes(130), a cooling fin(140), a top header t ...