Location History:
- Livonia, MI (US) (1993)
- Northville, MI (US) (1998 - 2023)
Company Filing History:
3 out of 25,932 
3 out of 6,152 
Years Active: 1993-2023
Title: David James Chesney: Innovator in Engine Component Testing
Introduction
David James Chesney is a notable inventor based in Northville, MI (US). He has made significant contributions to the field of engine technology, holding a total of 6 patents. His work focuses on improving the efficiency and reliability of engine components through innovative testing methods.
Latest Patents
One of Chesney's latest patents is a "Device and method for cold testing engine component operation." This method determines the condition of engine components, such as valves, during a cold test. It involves providing pressurized air to the engine's intake, rotating the crankshaft, and measuring pressures with a manifold air pressure sensor. The pressures are then compared to a predetermined baseline to indicate the condition of the component.
Another significant patent is the "Device and method for detecting a cylinder deactivation mode using inferred compression." This method verifies the cylinder deactivation mode on an engine by activating an ignition device in a deactivated cylinder during its exhaust stroke. It includes measuring the voltage of the ignition device and comparing the measured voltage spike against a baseline voltage spike to indicate the status of the deactivation mode.
Career Highlights
Chesney has worked with prominent companies in the automotive industry, including Ford Global Technologies, LLC and Ford Motor Company Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
Throughout his career, Chesney has collaborated with talented individuals such as Roderick Alexander Simpson and Daniel Joseph Ondrus. These collaborations have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
David James Chesney is a distinguished inventor whose work in engine component testing has led to several valuable patents. His innovative methods continue to influence the automotive industry and enhance engine performance.