Company Filing History:
Years Active: 2025
Title: Zehang Yu: Innovator in Power Failure Detection Circuits
Introduction
Zehang Yu is a notable inventor based in Shanghai, China. He has made significant contributions to the field of electrical engineering, particularly in the development of circuits for variable refrigerant flow (VRF) systems. His innovative approach has led to the creation of a patent that addresses critical issues in power failure detection.
Latest Patents
Zehang Yu holds a patent for a power failure detection circuit and control circuit for VRF systems. This invention includes a rectifying circuit that performs full-wave rectification of alternating current voltage to obtain a first voltage. Additionally, it features a switching circuit that converts the first voltage into a periodic voltage pulse. The judgment circuit provides an output signal to a fan control circuit, which closes the fan when the periodic voltage pulse is not received within a preset time period. Furthermore, it sends an output signal to a micro-control unit to close an electronic expansion valve. This patent showcases Yu's expertise in enhancing the reliability of VRF systems.
Career Highlights
Zehang Yu is currently employed at Carrier Corporation, a leading company in the HVAC industry. His work at Carrier has allowed him to apply his innovative ideas and technical skills in real-world applications. His contributions have been instrumental in advancing the technology used in climate control systems.
Collaborations
Zehang Yu collaborates with talented colleagues, including Xiaojun Guo and Hui Zhai. Their teamwork fosters an environment of innovation and creativity, leading to the development of cutting-edge technologies in their field.
Conclusion
Zehang Yu is a distinguished inventor whose work in power failure detection circuits has made a significant impact on the HVAC industry. His patent reflects his commitment to innovation and excellence in engineering. Through his career at Carrier Corporation, he continues to contribute to advancements in technology that enhance system reliability and efficiency.