Patent application number | Description | Published |
20080286634 | BATTERY PACK - Disclosed herein is a battery pack including a roughly rectangular casing, a main circuit board disposed at a bottom surface, and cylindrical battery cells disposed over the main circuit board in two rows and four layers, the battery cells in each set of paired battery cells being connected in parallel, and the four sets of the parallel-connected paired battery cells being connected in series. | 11-20-2008 |
20080286636 | BATTERY PACK - Disclosed herein is a battery pack including: a plurality of cylindrical battery cells arranged in at least two rows and a plurality of layers; and a partition member for partitioning the battery cells; wherein the partition member includes a partition plate and support plates; the battery cells in the state of being partitioned by the support plates have terminals on one side being fixed substantially in parallel to the partition plate by an electrode tab or tabs, and have terminals on the other side in at least one layer being fixed substantially in parallel to the partition plate by an electrode tab or tabs; and the support plates for clamping the battery cell of which the terminal on the other side is fixed by the electrode tab are formed respectively with projected pieces. | 11-20-2008 |
20080286637 | BATTERY PACK - Disclosed herein is a battery pack including: a plurality of cylindrical battery cells; and an electrode tab for electrically connecting terminals of the battery cells arranged in a pattern; wherein the electrode tab is formed with a slit along the longitudinal direction thereof, between fixation parts for fixation to the terminals of the battery cells. | 11-20-2008 |
20080286638 | BATTERY PACK - Disclosed herein is a battery pack including: a plurality of cylindrical battery cells arranged in a plurality of rows and a plurality of layers; and a partition member for partitioning the battery cells; wherein each the battery cell is larger in diametral size on the positive electrode terminal side than on the negative electrode terminal side; the partition member includes a partition plate, and ribs formed in corners formed between the partition plate and support plates provided to be substantially orthogonal to the partition plate at substantially regular intervals, the ribs being operative to support the battery cells; and the ribs are formed correspondingly to the shape of the battery cell. | 11-20-2008 |
20080286639 | BATTERY PACK - Disclosed herein is a battery pack including: a plurality of cylindrical battery cells; and an electrode tab for electrically connecting terminals of the battery cells arranged in a pattern; wherein the electrode tab is formed with a position matching hole for position matching to the terminal of the battery cell, at a fixation part for fixation to the terminal of the battery cell. | 11-20-2008 |
20080286640 | BATTERY PACK - Disclosed herein is a battery pack including: a plurality of cylindrical battery cells arranged in a plurality of rows and a plurality of layers; a lower case for supporting the battery cells; a terminal case attached to the lower case and provided at one side surface thereof with connection terminals for connection to an external apparatus; a main circuit board attached to the terminal case and electrically connected to the battery cells; wherein the lower case is formed with a support protrusion which is passed through the main circuit board and operative to support the battery cell. | 11-20-2008 |
20080286642 | BATTERY PACK - Disclosed herein is a battery pack including: a plurality of cylindrical battery cells arranged in a plurality of rows and a plurality of layers; a lower case for supporting the battery cells; and an upper cover welded to the lower case in the state of covering the battery cells supported by the lower case; wherein the end parts of the upper cover and the lower case are opposed to and abutted on each other, and are welded to each other by ultrasonic welding. | 11-20-2008 |
20080286647 | BATTERY PACK - Disclosed herein is a battery pack including: a plurality of cylindrical battery cells arranged in a plurality of rows and a plurality of layers; a partition member for partitioning the battery cells; and a casing for containing the battery cells partitioned by the partition member; wherein the material thickness of the casing is set to be larger than the material thickness of the partition member. | 11-20-2008 |
20080305390 | BATTERY PACK - Disclosed herein is a battery pack including a roughly rectangular casing, a main circuit board disposed at a bottom surface of the casing, and cylindrical battery cells arranged in two rows and two layers over the main circuit board and connected in series. | 12-11-2008 |