A sensor assembly for measuring humidity, pressure and temperature
AssigneesFord Motor Company, Humirel, Inc
InventorsJon Beasley, Bradley Spare, Marco Mularoni
Life of this patent
Estimating the term…
Abstract
A sensor for measuring and controlling pressure, temperature and relative humidity of a gas process stream for a powerplant is disclosed. Sensor elements are integrated to form a compact module at a single location in the stream.
Claims14
A sensor assembly for measuring pressure temperature and relative humidity in a gas process stream for a powerplant that is fueled by a hydrogen reactant in the presence of an oxidant, the sensor assembly comprising:
- a first temperature sensor disposed at a strategic location in the gas process stream;
- a humidity sensor disposed adjacent the temperature sensor;
- an electric heater disposed adjacent the humidity sensor;
- the temperature sensor, the humidity sensor, and the electric heater being assembled together to define an integrated compact module;
- a second main temperature sensor in the gas process stream adjacent the module;
- and
- a pressure sensor including a gas inlet adjacent the module in the gas process stream.
A sensor assembly for measuring pressure, temperature and relative humidity in a gas process stream for a powerplant that is fueled by hydrogen in a gaseous state in the presence of air, the air being an oxygen source, the sensor assembly comprising:
- a first temperature sensor disposed at a strategic location in the gas process stream;
- a humidity sensor disposed adjacent the temperature sensor;
- an electric heater disposed adjacent the temperature sensor;
- an electric heater disposed adjacent the humidity sensor;
- the temperature sensor, the humidity sensor and the electric heater being assembled together to define an integrated, compact module;
- a second main temperature sensor in the gas process stream adjacent the module;
- and
- a pressure sensor including a gas inlet adjacent the module in the gas process stream.
A sensor assembly for measuring pressure temperature and relative humidity in a gas process stream for a powerplant that is fueled by a hydrogen reactant in the presence of an oxidant, the sensor assembly comprising:
- a temperature sensor disposed at a strategic location in the gas process stream;
- a humidity sensor disposed adjacent the temperature sensor;
- an electric heater disposed adjacent the humidity sensor;
- the temperature sensor, the humidity sensor and the electric heater being assembled together to define an integer compact module;
- and
- a pressure sensor including a gas inlet adjacent the module in the gas process stream.
A sensor assembly for measuring pressure, the temperature and relative humidity in a gas process stream for a powerplant that is fueled by hydrogen in a gaseous state in the presence of air, the air being an oxygen source, the sensor assembly comprising:
- a temperature sensor disposed at a strategic location in the gas process stream;
- a humidity sensor disposed adjacent the temperature sensor;
- an electric heater disposed adjacent the temperature sensor;
- an electric heater disposed adjacent the humidity sensor;
- the temperature sensor, the humidity sensor and the electric heater being assembled together to define an integrated, compact module;
- a pressure sensor including a gas inlet adjacent the module in the gas process stream;
- and
- a microprocessor controller in electronic communication with the sensors for controlling relative humidity whereby water vapor condensation on the humidity sensor is avoided.
A sensor assembly for measuring pressure temperature and relative humidity in a gas process stream for a fuel cell engine that is fueled by a hydrogen reactant in the presence of an oxidant, the sensor assembly comprising:
- a first temperature sensor disposed at a strategic location in the gas process stream;
- a humidity sensor disposed adjacent the temperature sensor;
- an electric heater disposed adjacent the humidity sensor;
- the temperature sensor, the humidity sensor and the electric heater being assembled together to define an integrated, compact module;
- a second main temperature sensor in the gas process stream adjacent the module;
- a pressure sensor including a gas inlet adjacent the module in the gas process stream;
- and
- a microprocessor controller in electronic communication with the sensors for controlling relative humidity whereby water vapor condensation on the humidity sensor is avoided.
A sensor assembly for measuring pressure, temperature and relative humidity in a gas process stream for a fuel cell engine that is fueled by hydrogen in a gaseous state in the presence of air, the air being an oxygen source, the sensor assembly comprising:
- a temperature sensor disposed at a strategic location in the gas process stream;
- a humidity sensor disposed adjacent the temperature sensor;
- an electric heater disposed adjacent the temperature sensor;
- an electric heater disposed adjacent the humidity sensor;
- the temperature sensor, the humidity sensor and the electric heater being assembled together to define an integrated, compact module;
- a pressure sensor including a gas inlet adjacent the module in the gas process stream;
- and
- a microprocessor controller in electronic communication with the sensors for controlling relative humidity whereby water vapor condensation on the humidity sensor is avoided.
Dependencies are inferred from the claim text.