patent · US8961761
Oxygen sensor control apparatus
24 February 2015
Indexed reference — no copy held
This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.
Abstract
An oxygen sensor control apparatus includes internal resistance detection means S 3 , controlled internal resistance obtaining means S 4 to S 11 , and heater energization control means S 12 . When a timing for detecting the internal resistance R(n) comes during a lean period TL, the controlled internal resistance obtaining means uses the detected internal resistance R(n) as the controlled internal resistance Rf. When a timing for detecting the internal resistance R(n) comes...
Provenance
- Collection
- Cited prior art
- Original PDF
- patentimages.storage.googleapis.com →
- Filed
- 2013-03-12
- Source
- Google Patents bibliographic record
- Granted
- 2015-02-24
- Inventors
- Seiji Maeda; NGK Spark Plug Co Ltd