Company Filing History:
Years Active: 1980
Title: Chang D Han - Innovator in Rheometry
Introduction
Chang D Han is a notable inventor based in Nutley, NJ (US). He has made significant contributions to the field of rheometry, particularly with his innovative designs that enhance the measurement of fluid properties.
Latest Patents
Chang D Han holds a patent for a high precision continuous flow rheometer. This device utilizes an elongated restriction, such as a slit or capillary tube, supplied with fluid from a microprocessor-controlled metering pump at various flow rates. The rheometer features an inlet chamber with a longitudinal axis skewed with respect to the restriction's axis, allowing for efficient fluid conveyance. Three pressure transducers are strategically placed along the slit or capillary tube, providing signals to the microprocessor. This setup enables the continuous calculation of viscosity and elasticity, or first normal stress difference, of the fluid at different flow rates. He has 1 patent to his name.
Career Highlights
Chang D Han is currently employed at Seismograph Service Corporation, where he applies his expertise in rheometry. His work focuses on developing advanced measurement techniques that are crucial for various industrial applications.
Collaborations
Chang collaborates with Vance Morrow, a fellow professional in the field. Their partnership enhances the innovative capabilities within their projects.
Conclusion
Chang D Han's contributions to rheometry exemplify the impact of innovative thinking in engineering and technology. His work continues to influence the way fluid properties are measured and understood.