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Universal electrolyte level indicator for wet cell batteries

  • US 4,978,592 A
  • Filed: 03/28/1990
  • Issued: 12/18/1990
  • Est. Priority Date: 09/20/1988
  • Status: Expired due to Fees
First Claim
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1. A battery cap sensor probe comprising a generally hollow body having an interior chamber, means for connecting said body to a battery cell opening, means for placing said interior chamber in fluid communication with a battery cell interior, means for placing said interior chamber in fluid communication with atmosphere whereby said last-mentioned two means allow battery cell gases to escape to atmosphere, a conductive probe carried by said body, said conductive probe being comprised of a probe portion accessible from the exterior of said body and being adapted for immersion into the electrolyte of a battery cell, said conductive probe further including a terminal portion accessible from the exterior of said body and being adapted for electrical connection to an electrical circuit, and means for connecting said probe portion and said terminal portion to each other.

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