Ford Global Technolgoies, LLC

Tie Wang

George S Saloka

James Anthony Adams

Chendong Huang

Richard E Soltis

Shinichi Hirano

James Waldecker

Alireza Pezhman Shirvanian

Mark S Sulek

A fuel cell system may have at least one sensor including a pair of electrodes disposed on a substrate. The sensor may be configured to produce an output signal having a magnitude that is proportional to a relative humidity in a vicinity of the sensor and, if liquid water is on the sensor, proportional to an amount of the liquid water on the sensor.

Fuel cell system with wetness sensor

A fuel cell hydration system comprising a first reservoir is provided. The first reservoir is positioned between a cathode supply and a fuel cell stack. The first reservoir includes corrugated regions positioned axially along the first reservoir to accumulate water discharged from a first fluid stream. The first fluid stream absorbs the accumulated water when an amount of water within the first fluid stream is below a water level to hydrate the fuel cell stack.

System and method for hydrating a proton exchange membrane fuel cell

A gas sensor deterioration monitor, particularly suited for use in an exhaust stream from an internal combustion engine. Under certain engine operating conditions, the output signal from the sensor is transformed through a Fourier Transformation into a frequency domain signal. Ratios of the magnitudes of certain odd and even harmonics are compared to corresponding reference values for a new sensor. Deviations beyond certain limits indicate a sensor that has deteriorated substantially.

Oxygen sensor monitoring

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Rochester Hills, MI, United States of America

Tie Wang