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Service case

  • US 6,889,514 B2
  • Filed: 06/18/2003
  • Issued: 05/10/2005
  • Est. Priority Date: 08/22/2001
  • Status: Expired due to Term
First Claim
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1. A temperature controlled case for use in a store environment for storage and display of chilled or frozen products, which comprises:

  • at least one compartment for storage of products;

    at least one access opening providing entrance to the compartment;

    at least one shelf within the compartment for products;

    at least one coil above the shelf;

    a refrigeration system configured to circulate a coolant to at least one of the shelf and the coil to maintain a selected temperature within the compartment;

    a defrost system comprising a heat exchanger configured to warm the coolant for circulation to defrost at least one of the coil and the shelf;

    a flow regulation device for controlling a flow rate of the fluid to at least one of the coil and the shelf.

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