Mobile refrigeration system and method of detecting sensor failures therein

A mobile refrigeration system that includes an engine and a compressor that is operable in response to the engine to produce a flow of refrigerant. An evaporator receives the flow of refrigerant and a first temperature sensor is positioned to measure a first temperature. A second temperature sensor...

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Bibliographische Detailangaben
Hauptverfasser:	LUDWIG BRADLEY M, TRUCKENBROD GREGORY R
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILSOF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS INSTRUMENT DETAILS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	A mobile refrigeration system that includes an engine and a compressor that is operable in response to the engine to produce a flow of refrigerant. An evaporator receives the flow of refrigerant and a first temperature sensor is positioned to measure a first temperature. A second temperature sensor is positioned to measure a second temperature and a controller is operable to detect a failure of one of the first temperature sensor and the second temperature sensor by calculating a temperature difference between the measured first temperature and the measured second temperature and comparing the temperature difference to a predetermined value.