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Method and apparatus for adding additives to lubricating oil

  • US 5,067,455 A
  • Filed: 10/31/1990
  • Issued: 11/26/1991
  • Est. Priority Date: 11/04/1989
  • Status: Expired due to Fees
First Claim
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1. An apparatus for adding additives to lubricating oil comprising:

  • detecting means equipped in a circuit of flow of a lubricating oil, for impressing a high voltage between two points in said lubricating oil and measuring a current therebetween, to determine a TBN of said lubricating oil;

    supplying means for selectively supplying additives to said lubricating oil; and

    controlling means for controlling a supply of said additives by said supplying means when said TBN detected by said detecting means is outside a predetermined range.

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