David W Cheng is a notable inventor based in Union City, CA, with a significant contribution to the field of centrifuge technology. He holds a total of six patents, showcasing his expertise and innovative spirit in developing advanced systems for centrifuges.

Latest Patents

Among his latest patents is the "Variable threshold setting for rotor identification in centrifuges." This invention presents a centrifuge rotor overspeed protection system that can operate with rotors of at least two speed ranges. The system includes a set of coding elements on the rotors that represent the actual maximum safe speed rating of the rotor. Additionally, it features another set of coding elements corresponding to the maximum speed in the lower speed range, allowing the rotor to operate at the maximum speed possible in prior art centrifuges designed for lower speed ranges. The detection circuit for the coding elements automatically adjusts the detection threshold based on the average values of the sensor output peaks corresponding to the codes.

Another significant patent is the "Tachometer and rotor identification system for centrifuges," which shares similar features with the previous invention. This system also provides a centrifuge rotor overspeed protection mechanism that operates with rotors of at least two speed ranges, ensuring safety and efficiency in centrifuge operations.

Career Highlights

David W Cheng is currently associated with Beckman Instruments, Inc., where he continues to innovate and contribute to the advancement of centrifuge technology. His work has been instrumental in enhancing the safety and functionality of centrifuge systems.

Collaborations

Throughout his career, David has collaborated with notable colleagues, including Victor P Burolla and Hugh O Brown, who have contributed to his innovative projects and patents.

Conclusion

David W Cheng's contributions to centrifuge technology through his patents reflect his dedication to innovation and safety in scientific equipment. His work continues to influence the field and improve operational standards in laboratories worldwide.

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