System for assisting a main engine start-up
First Claim
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1. A method for assisting a start-up of a work machine having a battery assembly and a main engine, the method comprising:
- starting an auxiliary power unit;
using electrical power generated by the auxiliary power unit to condition the battery assembly; and
adding electrical power generated by the auxiliary power unit to electrical power generated by the battery assembly for a main engine cranking event.
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Abstract
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 method may also include adding electrical power generated by the auxiliary power unit to electrical power generated by the battery assembly for a main engine cranking event.
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Citations
23 Claims
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1. A method for assisting a start-up of a work machine having a battery assembly and a main engine, the method comprising:
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starting an auxiliary power unit; using electrical power generated by the auxiliary power unit to condition the battery assembly; and adding electrical power generated by the auxiliary power unit to electrical power generated by the battery assembly for a main engine cranking event. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A main engine start-up system, comprising:
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a starter motor configured to crank the main engine; a battery assembly configured to supply electrical power to the starter motor; and an auxiliary power unit configured to generate electrical power for conditioning the battery assembly; wherein the electrical power generated by the auxiliary power unit is added to the electrical power generated by the battery assembly for a main engine cranking event. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A work machine having a main engine start-up system, comprising:
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a starter motor configured to crank the main engine; a battery assembly configured to supply electrical power to the starter motor; and an auxiliary power unit configured to generate electrical power for conditioning the battery assembly; wherein the electrical power generated by the auxiliary power unit is added to the electrical power generated by the battery assembly during a main engine cranking event. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. A start-up system for a main engine that is mounted on a machine frame, the start-up system comprising:
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a starter motor configured to crank the main engine; a battery assembly configured to supply electrical power to the starter motor; and an auxiliary power unit attached to the machine frame and configured to generate electrical power for conditioning the battery assembly; wherein the electrical power generated by the auxiliary power unit is added to the electrical power generated by the battery assembly for a main engine cranking event.
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Specification