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In an emergency vehicle having dual batteries, one of which is employed for supplying power to the electrical system of the vehicle chassis and the other of which is employed for supplying power to the emergency equipment, dual alternators driven by the engine are provided for charging the batteries

In an emergency vehicle having dual batteries, one of which is employed for supplying power to the electrical system of the vehicle chassis and the other of which is employed for supplying power to the emergency equipment, dual alternators driven by the engine are provided for charging the batteries. The output of each alternator is connected to the input of its regulator and to both batteries whereby both alternators will be on at all times when the engine is running and will share the load on either or both batteries.

대표청구항 ▼

In a motor vehicle which includes an engine and electrically operated means employed in the operation of said vehicle and which carries electrically operated equipment used for emergency purposes, an electrical power system, comprising: a first battery having a positive terminal coupled to said elec

In a motor vehicle which includes an engine and electrically operated means employed in the operation of said vehicle and which carries electrically operated equipment used for emergency purposes, an electrical power system, comprising: a first battery having a positive terminal coupled to said electrically operated means, a second battery having a positive terminal adapted to be coupled to said electrically operated equipment, first alternator means driven by the engine of said motor vehicle and having an output lead, first and second electrical leads coupled to said output lead of said first alternator means and to said positive terminals of said first and second batteries respectively, first and second diode means coupled to said first and second electrical leads respectively for allowing the flow of current in a direction only from said output lead of said first alternator means to said first and second electrical leads, second alternator means driven by the engine of said motor vehicle and having an output lead, third and fourth electrical leads coupled to said output lead of said second alternator means and to said positive terminals of said first and second batteries respectively, third and dourth diode means coupled to said first and second electrical leads respectively for allowing the flow of current in a direction only from said output lead of said second alternator means to said third and fourth electrical leads, first regulator means for regulating the electrical voltage applied to said first alternator means, said first regulator means having an input coupled to said output lead of said first alternator means, second regulator means for regulating the electrical voltage applied to said second alternator means, said second regulator means having an input coupled to said output lead of said second alternator means.