×

Engine management system

  • US 6,294,988 B1
  • Filed: 02/11/1999
  • Issued: 09/25/2001
  • Est. Priority Date: 04/28/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for providing a predetermined management item relating to an engine, comprising the steps of:

  • storing a weighted operating time for each of a plurality of running conditions of said engine, said weighted operating times being a product of a respective predetermined weighting coefficient and a respective operating time;

    summing said weighting operating times to produce a total weighted operating time; and

    indicating a corresponding predetermined management item when said total weighting operating time reaches a predetermined value.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×