Issued Patents 1994
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335538 | Method and arrangement for determining the storage capacity of a catalytic converter | Frank Blischke, Erich Schneider | 1994-08-09 |
| 5317868 | Method and arrangement for determining the conversion performance of a catalytic converter | Frank Blischke, Lutz Reuschenbach, Erich Schneider | 1994-06-07 |
| 5307625 | Method and arrangement for monitoring a lambda probe in an internal combustion engine | Erich Junginger, Claus-Peter Pflieger, Lothar Raff | 1994-05-03 |
| 5303580 | Method and arrangement for determining the state of deterioration of a catalyzer | Erich Schneider | 1994-04-19 |
| 5298865 | Connecting circuit for connecting a lambda probe to a control apparatus of an internal combustion engine and test method for said circuit | Helmut Denz, Werner Mezger, Johannes-Dieter Wichterich, Ernst Wild, Joachim Heimes +2 more | 1994-03-29 |
| 5291873 | Method and arrangement for determining a parameter of a lambda controller | Klaus Hirschmann, Lothar Raff, Lutz Reuschenbach | 1994-03-08 |
| 5291417 | Method and arrangement for determining the internal resistance of a lambda probe and for the closed-loop heating control with the aid of the internal resistance | Lothar Raff, Michael Westerdorf, Manfred Homeyer | 1994-03-01 |