Open vertical refrigerated display case comprising improved nebulizing means

Abstract

An open vertical refrigerated display cabinet having a lower wall, a rear wall, an upper wall, and a front face opposite the rear wall, the face front is open to define access to a volume for storing products. A generation mechanism is provided an operable to generate an air curtain in the vicinity of the front face, circulating in service substantially parallel to the front face. The generation mechanism includes a blowing mechanism defining a main blowing orifice, and a suction mechanism located substantially directly above the blowing mechanism. A nebulization mechanism is provided in the vicinity of the upper wall to diffuse a fog in at least part of the storage volume, the nebulization mechanism including a diffusion member defining at least one diffusion orifice of the fog. Each diffusion orifice is distinct from the main blowing orifice, while being offset towards the rear wall, relative to this main blowing orifice.

1 - 18 . (canceled) 
     
     
         19 . An open vertical refrigerated display cabinet, comprising:
 a lower wall, a rear wall, an upper wall, and a front face opposite the rear wall, the face front being open to define access to a storage volume for storing products;   a generation mechanism operable to generate and circulate an air curtain adjacent and substantially parallel to the front face, the generation mechanism including a blowing mechanism that defines a main blowing orifice, and a suction mechanism located substantially directly above the blowing mechanism;   an evaporator; and   a nebulization mechanism is provided adjacent to the upper wall to diffuse a mist in at least part of the storage volume, the nebulization mechanism having a diffusion member that defines at least one diffusion orifice for the mist, the at least one diffusion orifice being distinct from the main blowing orifice and offset towards the rear wall relative to the main blowing orifice.   
     
     
         20 . The open vertical refrigerated display cabinet of  claim 19 , wherein the diffusion member has a main axis which is parallel to an axis representative of the width of the open vertical refrigerated display cabinet. 
     
     
         21 . The open vertical refrigerated display cabinet of  claim 20 , wherein a distance between a center of the at least one diffusion orifice and a facing edge of the main blowing orifice, along an axis representative of the depth of the open vertical refrigerated display cabinet, is between 20 and 35 cm. 
     
     
         22 . The open vertical refrigerated display cabinet of  claim 21 , wherein the diffusion member comprises a diffusion tube having the at least one diffusion orifice. 
     
     
         23 . The open vertical refrigerated display cabinet of  claim 22 , wherein:
 each diffusion orifice in the at least one diffusion orifice is provided next to each other along the main axis of the diffusion tube, and   each diffusion orifice in the at least one diffusion orifice is aligned parallel to the main axis or arranged in staggered rows along the main axis of the diffusion tube.   
     
     
         24 . The open vertical refrigerated display cabinet of  claim 20 , wherein the diameter of the diffusion member is between 30 and 65 mm. 
     
     
         25 . The open vertical refrigerated display cabinet of  claim 20 , wherein the diameter of each diffusion orifice in the at least one diffusion orifice is between 8 mm and 15 mm. 
     
     
         26 . The open vertical refrigerated display cabinet of  claim 20 , wherein the distance between the centers of adjacent orifices in the at least one diffusion orifice, along the main axis of the diffusion member, is between 100 and 200 mm. 
     
     
         27 . The open vertical refrigerated display cabinet of  claim 19 , wherein an angle between a vertical and a straight line connecting a center of the diffusion member and a center of each diffusion orifice is between 30 and 50 degrees. 
     
     
         28 . The open vertical refrigerated display cabinet of  claim 19 , further comprising at least one shelf extending from the rear wall towards the front face to define compartments of the open vertical refrigerated display cabinet. 
     
     
         29 . The open vertical refrigerated display cabinet of  claim 19 , wherein the nebulization mechanism further comprises a piezoelectric type nebulization member that comprises at least one air inlet and at least one mist outlet. 
     
     
         30 . The open vertical refrigerated display cabinet of  claim 29 , further comprising at least one intermediate conduit extending at least in part immediately below the upper wall, at least one intermediate conduit connecting the diffusion member with the at least one mist outlet. 
     
     
         31 . The open vertical refrigerated display cabinet of  claim 29 , further comprising two intermediate conduits extending in a mutually parallel manner, a distance separating the centers of the intermediate conduits being between 50 and 200 mm. 
     
     
         32 . The open vertical refrigerated display cabinet of  claim 31 , further comprising at least one supplemental orifice provided opposite to an outlet of a respective one of the intermediate conduits. 
     
     
         33 . The open vertical refrigerated display cabinet of  claim 32 , further comprising a complementary orifice provided on the diffusion tube between the at least one supplemental orifice. 
     
     
         34 . The open vertical refrigerated display cabinet of  claim 33 , wherein:
 the piezoelectric type nebulization member is mounted above the upper wall, and   the at least one air inlet is operable to suck air into a duct for circulation of air provided in the open vertical refrigerated display cabinet via a tube passing through the upper wall.   
     
     
         35 . The open vertical refrigerated display cabinet of  claim 33 , wherein:
 the piezoelectric type nebulization member is housed in the storage volume, and   the at least one air inlet is operable to directly suck air into the storage volume.   
     
     
         36 . The open vertical refrigerated display cabinet of  claim 33 , wherein:
 the piezoelectric type nebulization member is housed in the air circulation duct, and   the at least one air inlet is operable to directly suck in air in the air circulation duct.