Yongliang Hu

Title: Yongliang Hu: Inventor in Refrigeration and Air-Conditioning Technology.

Introduction

Yongliang Hu is an inventor based in Shanghai, China, whose work focuses on refrigeration systems, air-conditioning technology, and motor control. He is associated with Carrier Corporation and is credited with 2 patents.

Latest Patents

Hu’s listed patents address components and controls for chiller and refrigeration systems.

“Motor Drive System and Control Method for Chiller Unit” describes a system combining variable-frequency and power-frequency drive units to operate separate motors. A control unit adjusts their output power to meet the chiller’s load demand. The application also covers a chiller incorporating the system, a control method, and a computer-readable medium containing instructions for implementing that method.

“Oil Separation Device for Condenser, Condenser Having It and Refrigeration System” describes a condenser with separate oil-separation and condensation chambers. Multiple refrigerant inlets guide gas into the oil-separation chamber, while outlets positioned near its ends and middle direct refrigerant gas separated from oil out of the chamber.

Career Highlights

Hu’s listed inventions address practical refrigeration-system needs, including adapting chiller motor output to changing loads and separating oil from refrigerant gas in a condenser. These designs reflect work at the intersection of equipment architecture and system control.

Collaborations

Hu’s listed coworkers include Zhizhong Xiang and Da Jin. His company affiliation is Carrier Corporation.

Conclusion

Yongliang Hu’s patent work centers on chiller motor control and condenser oil separation, contributing engineering approaches to refrigeration and air-conditioning systems.