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Jahwa Electronics Co., Ltd.

Cheongwon-gun, KR

Jahwa Electronics Co., Ltd. Patent applications
Patent application numberTitlePublished
20120080623ELECTRIC VALVE FOR REFRIGERANT CONTROL - An electric valve for refrigerant control is provided, which includes: a base; a cover adapted to cover the base; a rotor adapted to perform stepping motions in a rotating direction by means of a stator disposed outside the cover; and a drive pad rotated by receiving a rotating force from the rotor through decelerating gears, wherein the base has a first port through which a refrigerant is introduced to the space inside the cover and at least two or more second ports through which the refrigerant introduced through the first port is discharged, and the drive pad has a contact surface contacted with the surface of the base and an open surface stepped from the contact surface and forming a passage extended to the second ports in accordance with the operation of the drive pad.04-05-2012
20110127247PRE-HEATER APPARATUS FOR VEHICLE - A pre-heater apparatus for a vehicle includes a heat sink having a plurality of radiating fins which are layered, a Positive Temperature Coefficient (PTC) assembly inserted into the heat sink to be assembled therewith, and a housing. The pre-heater apparatus is mounted to a duct which is adjacent to a discharge duct, thus improving the performance of heating an interior when the vehicle is initially starting, and improving heat efficiency.06-02-2011