Otto Loehlein

Title: Otto Loehlein and Spark-Failure Detection

Introduction

Otto Loehlein is an inventor associated with Illerkirchberg, Germany, and MTU Friedrichshafen GmbH. His patent work addresses a practical engineering challenge: detecting spark failures in reciprocating engines on a cylinder-specific basis.

Latest Patents

The supplied information lists one patent for Loehlein: “Method and Apparatus for Detecting Spark Failure Based on the Number of Crankshaft Revolutions.”

The invention uses measurement data containing information about crankshaft revolutions. A classifying unit preprocesses the data, including through a principal axis transformation (HAT), and then classifies it to identify spark failures for individual cylinders. The described method requires fewer than 5 Kflops of processing per cycle, even with a measurement vector length of 240.

The device is designed to use a single measurement-data recorder, such as a gear ring attached to the crankshaft and coupled to a motion sensor. This approach can reduce mechanical complexity and cost while helping isolate the equipment from thermal and other environmental influences. Loehlein’s listed patent count is 1 patent.

Career Highlights

Loehlein’s documented invention focuses on efficient engine monitoring. By relying on crankshaft-revolution data and a streamlined sensing arrangement, the method aims to detect spark failures without demanding extensive processing resources or a complex measurement setup.

Collaborations

The supplied information names Joerg Remele and Martin Fritzsche as Loehlein’s coworkers. It does not specify their roles in the patent or describe particular collaborations.

Conclusion

Otto Loehlein’s listed patent presents a resource-conscious approach to cylinder-specific spark-failure detection, combining data classification with a simple crankshaft-based measurement device.