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Motor vehicle battery discharge current control

  • US 5,142,162 A
  • Filed: 12/11/1990
  • Issued: 08/25/1992
  • Est. Priority Date: 12/11/1990
  • Status: Expired due to Fees
First Claim
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1. A battery discharge load current control system for a motor vehicle electrical system comprising, a battery, an electrical load, a switching means connected to said battery and electrical load for disconnecting and connecting said load to and from said battery, an ignition switch, timer means, means coupling said ignition switch to said timer means such that said timer means begins a timing cycle when said ignition switch is opened, means connecting said timer means to said switching means in such a manner as to cause said switching means to disconnect said battery and said electrical load after the elapse of either a selectable first or second time period beginning with the opening of said ignition switch, customer vehicle delivery detecting means responsive to starting of the vehicle engine for developing a signal when the total number of engine starts attains a predetermined value, and means operative to select said first time period prior to development of said signal and operative to select said second time period after said signal has been developed, said second time period being longer than said first time period.

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