Patent ID: 7367198
Filing Date: 2008-05-06
Classification: A47F,F25D

Abstract:
1. A refrigerated merchandiser, comprising: a case defining a product display area and an air passage having an inlet located adjacent a bottom of the product display area and that receives air from the product display area, the air passage further having an outlet that delivers air to the product display area, the product display area defining a highest temperature zone located adjacent the inlet of the air passage and a lowest temperature zone; an evaporator positioned in the air passage to refrigerate the air according to an outlet temperature set point; a fan positioned in the air passage to move the air through the passage; a first product simulator positioned in the highest temperature zone of the product display area to generate a first signal representative of the temperature of products positioned in the highest temperature zone of the product display area; a second product simulator positioned in the lowest temperature zone of the product display area to generate a second signal representative of the temperature of products positioned in the lowest temperature zone of the product display area; and a controller in communication with the first and second product simulators, the controller being operable to adjust the outlet temperature set point in response to the first and second signals from the first and second product simulators.