Location History:
- Shui Jen Taipei Hsien, TW (1998)
- Yuchoko Tan Shui Jen Taipei Hsien, TW (1998)
- Shin-Chuang City, Taipei Hsien, TW (1999)
- Taipei Hsien, TW (1997 - 2005)
- Taipei, TW (2004 - 2005)
Company Filing History:
6 out of 55 
1 out of 1 
9 out of 832,812 Years Active: 1997-2005
Title: Innovations of Inventor Yun-Chung Lee
Introduction
Yun-Chung Lee is a prominent inventor based in Taipei Hsien, Taiwan. He has made significant contributions to the field of pneumatic technology, holding a total of 17 patents. His innovative designs have enhanced the functionality and efficiency of various tools and devices.
Latest Patents
One of his latest patents is the "Pneumatic motor-controlled valve of screwdriver." This invention features a pneumatic motor-controlled valve installed between the air guide hole of a pneumatic motor and the main air valve gate in the screwdriver. The design includes a valve hole on a guide seat that communicates with the motor's air guide hole. A plug on the outer wall of a cylinder is movably mounted within the guide seat, with a lower spring resisting against the cylinder. The cylinder has at least one ventilating hole that connects the valve hole to the upper and lower valve openings of the main air valve gate. This mechanism allows the plug to drive the cylinder, controlling the rotation of the motor by opening or closing the valve hole.
Another notable patent is the "Triggering device of nail driver with single shooting mode and continuous shooting mode." This device is designed to provide both single and continuous shooting modes for a nail driver. It is installed between a safety bar and a trigger of the driver body. The safety bar features a push sleeve that extends out of a beating opening of the driver body. When the trigger is activated, a valve rod opens the trigger valve to drive a nail. The device includes a swingable elastomer shaped like a cambered hook, which is pivotally installed within the trigger. This innovative design enhances the versatility and efficiency of nail drivers.
Career Highlights
Yun-Chung Lee has worked with various companies, including De Poan Pneumatic Corporation, where he has applied his expertise in pneumatic technologies. His work has significantly impacted the development of tools that utilize pneumatic systems.
Collaborations
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Conclusion
Yun-Chung Lee's contributions to pneumatic technology through his innovative patents have established him as a notable inventor in his field. His work continues to influence the design and functionality of various tools and devices.