Hans Georg Zeller is a notable inventor based in Grafenau, Germany. He has made significant contributions to the field of automotive technology, holding a total of 10 patents. His work primarily focuses on enhancing the efficiency and safety of motor vehicle systems.

Latest Patents

One of Zeller's latest patents is a simulative temperature controller for motor vehicles. This innovative heating device is designed to rapidly heat combustion chambers, exhaust gas sensors, catalyzers, and other associated apparatus. The system utilizes a resistive heating element connected in series with a low-impedance measuring resistor and a switch across a power source. A resistance bridge is formed with the aid of two additional resistors, allowing for precise temperature control. The diagonal bridge voltages are compared in a comparator, which actuates a control circuit to operate the heater switch. In the first interval, a constant current is applied to the heating element, while the current is pulsed during a second time interval. The switch control pulses can be generated by a free-running oscillator or synchronized with the engine starter current.

Another significant patent by Zeller is a safety device for electric consumers in motor vehicles. This safety apparatus features a temperature-dependent internal resistance and includes a temperature indicating circuit that provides an accurate signal of the consumer's temperature. This signal is sent to a threshold switch that actuates a switching device to interrupt current flow whenever the consumer temperature exceeds a predetermined maximum value. The temperature indicating circuit can either be a consumer resistance measuring circuit or a consumer temperature replicating circuit. The switching device may be connected in series or parallel with the consumer, ensuring enhanced safety for electric consumers in vehicles.

Career Highlights

Hans Georg Zeller is currently employed at Robert Bosch GmbH, a leading company in automotive technology and engineering. His work at Bosch has allowed him to develop innovative solutions that improve vehicle performance and safety.

Collaborations

Zeller has collaborated with several talented individuals in his field, including Johannes Brettschneider and Carsten Bube. These collaborations have contributed to the advancement of automotive technologies and the successful development of his patents.

Conclusion

Hans Georg Zeller's contributions to automotive technology through his innovative patents demonstrate his commitment to enhancing vehicle safety and efficiency. His work continues to influence the industry and pave the way for future advancements.

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