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| Application No. | Application Title | Issue Date |
| 20100066280 | Electric drive retarding system and method A retarding system for an electric drive machine (100) includes a direct current (DC) link (312), at which a DC voltage is developed, disposed between a rectifier (206) and an inverter (208). A first contactor switch (216) electrically... | 03/18/2010 |
| 20070095321 | System for assisting a main engine start-up A method is provided for assisting a start-up of a work machine having a battery assembly and a main engine. The method may include starting an auxiliary power unit, and using electrical power generated by the auxiliary power unit to condition the battery assembly. The ... | 05/03/2007 |
| 20070022995 | Automatic start-up of an auxiliary power unit An auxiliary power unit automatic start-up system is configured to assist a main engine start of a machine. The auxiliary power unit automatic start-up system may include an auxiliary power unit and a controller. The controller may monitor a parameter of the machine, au... | 02/01/2007 |
