Abstract: Disclosed is an electric vehicle battery attaching/detaching device including a battery having incision recesses formed on lateral portions, respectively, each incision recess having a lower engaging ledge; a battery mounting unit adapted to detachably mount the battery, the battery mounting unit having grasping holders formed on a bottom portion and adapted to engage with or disengage from the lower engaging ledges of the battery incision recesses; and a controller adapted to rotate the grasping holders in response to an electric signal so that the grasping holders engage with or disengage from the lower engaging ledges of the battery incision recesses.

Abstract: Disclosed is an electric vehicle battery attaching/detaching device including a battery mounting unit formed on an electric vehicle to detachably mount a battery and provided with a connector pin module adapted to be lifted/lowered by a lifting/lowering means; a loader having a plurality of battery stands, each battery stand being adapted to detachably mount a fully-charged battery to be exchanged with the battery mounted on the battery mounting unit; and a battery attaching/detaching unit adapted to move along X-axis, Y-axis, and Z-axis between the battery mounting unit and the battery stand by means of a movement device, detach a battery mounted on the battery mounting unit or the battery stand, and exchange/mount the battery on the battery stand or the battery mounting unit.

Abstract: Disclosed is an electric vehicle battery attaching/detaching device including a battery having incision recesses formed on lateral portions, respectively, each incision recess having a lower engaging ledge; a battery mounting unit adapted to detachably mount the battery, the battery mounting unit having grasping holders formed on a bottom portion and adapted to engage with or disengage from the lower engaging ledges of the battery incision recesses; and a driving means adapted to rotate the grasping holders in response to an electric signal so that the grasping holders engage with or disengage from the lower engaging ledges of the battery incision recesses.

Abstract: Disclosed is an electric vehicle battery attaching/detaching device including a battery mounting unit formed on an electric vehicle to detachably mount a battery and provided with a connector pin module adapted to be lifted/lowered by a lifting/lowering means; a loader having a plurality of battery stands, each battery stand being adapted to detachably mount a fully-charged battery to be exchanged with the battery mounted on the battery mounting unit; and a battery attaching/detaching unit adapted to move along X-axis, Y-axis, and Z-axis between the battery mounting unit and the battery stand by means of a movement device, detach a battery mounted on the battery mounting unit or the battery stand, and exchange/mount the battery on the battery stand or the battery mounting unit.

Abstract: Disclosed are a highly corrosion-resistant aluminum alloy for a heat exchanger tube and a method for manufacturing a heat exchanger tube using the same. The highly corrosion-resistant aluminum alloy includes 0.05 to 0.5 wt % of iron, 0.05 to 0.2 wt % of silicon, 0.6 to 1.2 wt % of manganese, 0.15 to 0.45 wt % of copper, 0.05 to 0.3 wt % of at least one of zirconium and boron, and the remainder of aluminum and impurities. The aluminum alloy aluminum alloy for a heat exchanger tube improves corrosion resistance without affecting the physical properties other than corrosion resistance, through improvement in composition of the alloy, and ensures sufficient corrosion resistance without thermal arc spraying of zinc, resulting in a simple process, which leads to improvement in manufacturing efficiency and productivity of products.

Abstract: A refrigerator includes the ability to determine the amount of time that a light within the refrigerator remains on. If the on time exceeds a predetermined time period, the light is turned off. If the door of the refrigerator is repeatedly opened and closed, the total accumulated on time is monitored, and the light will be turned off when the total on time exceeds the predetermined time period. If the light remains off for more than a cooling off period, the accumulated on time timer is reset, and the light can again be turned on.

Abstract: An apparatus operated in response to a load in a home bar of a SXS refrigerator having the home bar at one side of its door and a cooling air circulator including: a refrigerating chamber temperature sensor for sensing a temperature change of a refrigerating chamber; a home bar temperature sensor for sensing a temperature change of the home bar; and a microprocessor for comparing a temperature change amount of the home bar sensed by the home bar temperature sensor and the temperature change amount of the refrigerating chamber sensed by the refrigerating chamber temperature sensor after a load is inputted to the home bar, and setting a temperature of the refrigerating chamber at a lower degree in accordance with the comparison result and accordingly driving a cooling air circulator.