Patent ID: 6746323
Filing Date: 2004-06-08
Classification: B60H,B60P,F25D,Y10S

Abstract:
An airflow system adapted for receiving airflow from a refrigeration unit mounted on a front of a lead trailer, the airflow system also adapted for transferring and receiving airflow from a pup trailer pulled behind the lead trailer, the airflow system uses heated or cooled airflow discharged from the refrigeration unit inside the lead trailer to either heat or cool goods at a constant temperature, the goods stored inside the lead trailer and the pup trailer, the airflow system comprising:a modified air chute having a first end adapted for attaching to an air discharge opening in the refrigeration unit, said air chute having a second end connected to a lead airflow transfer hole in a rear door of the lead trailer; a transfer tube, one end of said transfer tube connected to said lead airflow transfer hole, an opposite end of said transfer tube connected to a pup airflow intake hole in the front of the pup trailer, said transfer tube for transferring airflow from the lead trailer to the pup trailer and circulating the airflow therethrough; and a return tube, one end of said return tube connected to a pup airflow return hole in the front of the pup trailer, an opposite end of said return tube connected to a lead airflow return hole in the lead trailer's rear door, said return tube returning airflow from the pup trailer to the lead trailer for circulating the airflow through the lead trailer and recirculating the airflow back to the refrigeration unit.