Company Filing History:
Years Active: 1985-1986
Title: Innovations by Raymond D. Chu
Introduction
Raymond D. Chu is a notable inventor based in Boulder, CO (US). He has made significant contributions to the field of respiratory technology, holding a total of 3 patents. His work focuses on improving the functionality and efficiency of respirators, which are crucial for patient care.
Latest Patents
One of his latest patents is the "Servo control system for a reciprocating piston respirator." This invention features a control system designed to move a piston in a reciprocating piston respirator using predictive servo control techniques. Unlike traditional methods that rely on linear frequency domain analysis, this invention employs nonlinear time domain analysis to enhance the precision of piston movement. The system can generate multiple flow profiles using stored factor tables, integrating current pressure and position data for optimal performance.
Another significant patent is the "Oxygen enriched reciprocating piston respirator." This variable flow system ensures a consistent oxygen enrichment throughout the entire inspiration stroke of a variable flow respirator output. It utilizes a proportional control valve to manage the delivery of oxygen from a supply tank to the output of the reciprocating piston pump. A microprocessor regulates the valve's opening to maintain the correct volume and percentage of oxygen enrichment in the output.
Career Highlights
Raymond D. Chu is currently associated with Lifecare Services, Inc., where he continues to innovate in the field of respiratory devices. His work has had a profound impact on the design and functionality of medical equipment, particularly in enhancing patient care through improved respiratory support.
Collaborations
Some of his notable coworkers include Anthony C. Rubner and Marc A. Bergman, who have collaborated with him on various projects, contributing to advancements in respiratory technology.
Conclusion
Raymond D. Chu's contributions to respiratory technology through his innovative patents demonstrate his commitment to improving patient care. His work continues to influence the development of more effective respiratory devices, showcasing the importance of innovation in healthcare.