Method to shut off a transport refrigeration unit based on absence of perishable goods

Abstract

A transport refrigeration system including: a transport refrigeration unit configured to refrigerate a refrigerated cargo space within a transport container; and a sensor system including one or more sensors configured to detect whether the refrigerated cargo space is empty or free of perishable goods, wherein the sensor system is configured to transmit a message to at least one of the transport refrigeration unit or a user device, the message indicating that the refrigerated cargo space is empty or free of perishable goods, and wherein the transport refrigeration unit is configured to shut off or return to an atmospheric temperature when the refrigerated cargo space is empty or free of perishable goods in response to least one of the message from the sensor system or a command from the user device.

Dependencies are inferred from the claim text.