| 摘要 |
A single cable battery charging apparatus for charging and maintaining the charge on a battery in the trailer or tractor of a refrigerated tractor-trailer using the tractor battery, by connecting only the positive terminals of the batteries in the tractor and the trailer to each other. The single cable battery charging apparatus is characterized by a single or segmented cable extending between and connected to the positive terminals of the tractor battery and the trailer battery. The apparatus utilizes the metal-to-metal contact between the tractor frame and the trailer frame, typically at the fifth wheel, to complete the electrical circuit through ground cable connections extending from connection to the negative terminals of the tractor battery and the trailer battery to the tractor and trailer frame, respectively. In one embodiment a tractor battery cable extends from removable connection to the positive terminal of the tractor battery to a connecting battery cable and the connecting battery cable is removably connected to a trailer battery cable which extends for connection to the positive terminal of the trailer battery, to complete the single cable battery charging apparatus.
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