Location History:
- Wiesbaden, DE (1996 - 1997)
- Windsor, CA (1997)
Company Filing History:
Years Active: 1996-1997
Title: The Innovations of Dan Negrin
Introduction
Dan Negrin is a notable inventor based in Wiesbaden, Germany. He has made significant contributions to the field of vehicle control systems, particularly in the area of braking technology. With a total of 9 patents to his name, Negrin's work has had a substantial impact on automotive safety and performance.
Latest Patents
One of Negrin's latest patents is a method and system for antilock braking on a deformable surface. This invention involves a brake pressure controller that responds to a wheel speed sensor and is coupled to a brake. It performs a cyclic control of pressure applied to the brake, which includes a pressure apply stage and a pressure dump stage. The activation conditions for these stages are based on a slip threshold parameter. The invention modifies a predetermined base threshold quantity depending on the measured time duration of the pressure dump stage and/or a slip depth error quantity. This allows for a greater amount of slip to be added to the base slip threshold when braking on a deformable surface compared to a non-deformable surface.
Another significant patent by Negrin is a method and system for determining and compensating for a faulty wheel. This invention filters out a faulty wheel speed input signal in a vehicle control system, such as an ABS or traction control system. It ensures that the faulty signal does not contaminate the wheel speed information from other signals. If a faulty wheel speed input indicates an abnormally high speed, it could lead to an overestimation of vehicle speed, resulting in false slip detection and ABS activation. Negrin's invention includes methods for detecting and compensating for bad or erratic sensors in the control system.
Career Highlights
Dan Negrin has built a successful career at Kelsey-Hayes Company, where he has been instrumental in developing advanced braking systems. His expertise in vehicle dynamics and control systems has positioned him as a key figure in automotive innovation.
Collaborations
Throughout his career, Negrin has collaborated with notable colleagues such as Mark S. Luckevich and Bernard W. Johnson. These collaborations have further enhanced the development of innovative solutions in the automotive industry.
Conclusion
Dan Negrin's contributions to automotive technology, particularly in braking systems, demonstrate his commitment to enhancing vehicle safety and performance. His innovative patents reflect a deep understanding
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