Location History:
- South Lyon, MI (US) (2002 - 2020)
- Livonia, MI (US) (2020)
Company Filing History:
4 out of 577 
2 out of 97 
1 out of 212 Years Active: 2002-2020
Title: William P Caldwell: Innovator in Vehicle Brake Systems
Introduction
William P Caldwell is a notable inventor based in Livonia, MI (US), recognized for his contributions to vehicle brake systems. He holds a total of 6 patents, showcasing his innovative spirit and technical expertise in the automotive industry.
Latest Patents
Caldwell's latest patents include a "Vehicle brake system having plunger power source." This invention relates to an improved plunger assembly that serves as a pressure source to control brake fluid pressure supplied to one or more wheel brakes. The assembly features a housing defining a cylinder, a reversible motor supported by the housing, and a linear actuator driven by the motor. Notable improvements include an elastomeric tubular torque coupler and a clamped connection at the inner race of a motor bearing.
Another significant patent is the "Pump attenuator bypass valve," which is strategically located at the outlet of a pump in a vehicle braking system. This valve includes a bypass valve housing and two fluid flow paths. The first path allows continuous fluid flow at a lower pump flow rate, while the second path enables flow at a higher rate, ensuring efficient operation of the braking system.
Career Highlights
Throughout his career, Caldwell has worked with prominent companies such as Kelsey-Hayes Company and ZF Active Safety US Inc. His experience in these organizations has contributed to his development of innovative solutions in vehicle safety and performance.
Collaborations
Caldwell has collaborated with talented individuals in the field, including Joseph F Zeoli and Blaise J Ganzel. These partnerships have likely fostered a creative environment that has led to the successful development of his patents.
Conclusion
William P Caldwell's contributions to vehicle brake systems demonstrate his commitment to innovation and safety in the automotive industry. His patents reflect a deep understanding of engineering principles and a dedication to improving vehicle performance.