Method and apparatus for determining coolant temperature...

Refrigeration – With indicator or tester – Condition sensing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C701S034000, C073S118040, C123S041010

Reexamination Certificate

active

06931865

ABSTRACT:
Methods, systems and devices for identifying irrational results from an engine coolant temperature (ECT) sensor in a vehicle are described. The vehicle suitably includes a processor in communication with the ECT sensor and an intake air temperature (IAT) sensor. The method includes the steps of receiving an ECT reading from the ECT sensor and a IAT reading at the processor, evaluating a temperature difference between the ECT reading and the IAT reading to determine if irrationality is present, and providing a fault indication in response to the evaluating step. The evaluating step includes monitoring the IAT reading during operation of the vehicle to identify the presence of an engine block heater if the temperature difference exceeds a pre-determined threshold.

REFERENCES:
patent: 5714673 (1998-02-01), Bidner et al.
patent: 5781877 (1998-07-01), Rachel et al.
patent: 6128948 (2000-10-01), Shi et al.
patent: 6302065 (2001-10-01), Davison
patent: 6393357 (2002-05-01), Holmes et al.
patent: 6463892 (2002-10-01), Russell
patent: 6714854 (2004-03-01), Linenberg et al.
patent: 6732025 (2004-05-01), Reese et al.
patent: 6848434 (2005-02-01), Li et al.
patent: 2002/0099482 (2002-07-01), Reese et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for determining coolant temperature... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for determining coolant temperature..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for determining coolant temperature... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3450167

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.