Evaporator air duct standoff

Abstract

An evaporator air duct panel ( 54 ) for a refrigeration system having an evaporator ( 18 ) and an evaporator air duct ( 40 ) at least partially defined by the evaporator air duct panel ( 54 ) is provided. The evaporator panel ( 54 ) includes a plurality of standoffs ( 60 ) extending from the evaporator air duct panel ( 54 ), the plurality of standoffs ( 60 ) configured to extend into the evaporator air duct ( 40 ).

1 . An evaporator air duct panel for a refrigeration system having an evaporator and an evaporator air duct at least partially defined by the evaporator air duct panel, the evaporator panel comprising:
 a plurality of standoffs extending from the evaporator air duct panel, the plurality of standoffs configured to extend into the evaporator air duct.   
     
     
         2 . The evaporator air duct panel of  claim 1 , wherein the plurality of standoffs are coupled to the evaporator air duct panel with an adhesive. 
     
     
         3 . The evaporator air duct panel of  claim 1 , wherein at least one standoff of the plurality of standoffs is oval shaped. 
     
     
         4 . The evaporator air duct panel of  claim 1 , wherein at least one standoff of the plurality of standoffs is airfoil shaped. 
     
     
         5 . The evaporator air duct panel of  claim 1 , wherein the plurality of standoffs comprises a first portion of standoffs and a second portion of standoffs, the first portion standoffs oriented in a first direction with an airflow through the evaporator air duct, and the second portion standoffs oriented in a second direction at an angle relative to the first direction. 
     
     
         6 . The evaporator air duct panel of  claim 5 , wherein the angle is between 0° and 45°. 
     
     
         7 . The evaporator air duct panel of  claim 1 , wherein each standoff of the plurality of standoffs comprises a base surface and a distal surface connected by sidewalls. 
     
     
         8 . The evaporator air duct panel of  claim 7 , wherein the sidewalls include rounded portions configured to direct airflow around the standoff. 
     
     
         9 . A refrigeration system comprising:
 an evaporator;   an evaporator air duct panel disposed downstream of the evaporator;   an evaporator air duct at least partially defined by the air duct panel and configured to receive an airflow from the evaporator; and   a plurality of standoffs extending from the evaporator air duct panel into the evaporator air duct.   
     
     
         10 . The system of  claim 9 , wherein at least one standoff of the plurality of standoffs is oval shaped. 
     
     
         11 . The system of  claim 9 , wherein at least one standoff of the plurality of standoffs is airfoil shaped. 
     
     
         12 . The system of  claim 9 , wherein the plurality of standoffs comprises a first portion of standoffs and a second portion of standoffs, the first portion standoffs oriented in a first direction with an airflow through the evaporator air duct, and the second portion standoffs oriented in a second direction at an angle relative to the first direction. 
     
     
         13 . The system of  claim 12 , wherein the angle is between 0° and 45°. 
     
     
         14 . The system of  claim 12 , further comprising a component housing extending into the evaporator air duct, wherein the second portion standoffs are configured to direct a portion of the airflow beneath the component housing. 
     
     
         15 . The system of  claim 9 , wherein each standoff of the plurality of standoffs comprises a base surface and a distal surface connected by sidewalls. 
     
     
         16 . The system of  claim 15 , wherein the sidewalls include rounded portions configured to direct airflow around the standoff. 
     
     
         17 . The system of  claim 15 , further comprising a cargo container configured to hold cargo, the refrigeration system coupled to the cargo container to provide a temperature controlled environment within the cargo container. 
     
     
         18 . The system of  claim 17 , further comprising an air inlet located at a top of the refrigeration system to receive air from an upper portion of the temperature controlled environment and an air outlet located at a bottom of the refrigeration system to supply air from the evaporator air duct to a lower portion of the temperature controlled environment, wherein the cargo container is a marine cargo container. 
     
     
         19 . A method of assembling a refrigeration system, the method comprising:
 providing a housing;   disposing an evaporator in the housing;   providing an evaporator air duct panel;   providing a plurality of standoffs;   coupling the plurality of standoffs to the evaporator air duct panel; and   disposing the evaporator air duct panel in the housing downstream of the evaporator such that the evaporator air duct panel at least partially defines an evaporator air duct to receive an airflow from the evaporator, the plurality of standoffs extending into the evaporator air duct to direct airflow through the evaporator air duct.   
     
     
         20 . The method of  claim 19 , wherein the step of coupling the plurality of standoffs comprises:
 coupling a first portion of standoffs of the plurality of standoffs to the evaporator air duct panel such that the first portion standoffs are oriented in a first direction with the airflow; and   coupling a second portion of standoffs of the plurality of standoffs to the evaporator air duct panel such that the second portion standoffs are oriented in a second direction at an angle relative to the first direction.