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Relay for use with multiple power sources

  • US 9,985,450 B2
  • Filed: 05/12/2016
  • Issued: 05/29/2018
  • Est. Priority Date: 05/12/2016
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a load including a rechargeable battery;

    a first relay electrically coupled to the rechargeable battery and a first terminal, wherein a first power source is coupleable with the first terminal;

    a second relay electrically coupled to a second terminal, wherein a second power source is coupleable with the second terminal; and

    a first relay contactor of the first relay, the first relay contactor operable for switching between a first contact pin electrically connected to the first terminal, and a second contact pin electrically connected in series to a second relay contactor of the second relay,wherein the load is coupled with at least one of the following in the case that a battery charger coupled to the rechargeable battery detects a voltage of the rechargeable battery is below a predetermined threshold;

    the first terminal, the second terminal, and a third power source, wherein a power supply is provided to the load by the first power source in the case that the first power source is electrically coupled to the first terminal.

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