Improved hybrid evaporator assembly

Abstract

Evaporator assembly for evaporating a refrigerant fluid of a refrigerant arrangement, said evaporator assembly comprising a housing defining a space extending along a longitudinal axis, the evaporator assembly comprising a hybrid evaporation module housed within said space and comprising a tube bundle provided with a plurality of tubes configured to allow the passage of an operative fluid, a support structure and a distributor, the distributor comprises a conduit assembly that is positioned in a middle position along the longitudinal axis and the distribution conduits extends above the tube bundle, the distribution conduits being disposed in a symmetric manner with respect to the transversal axis and the vertical axis.

1 . Evaporator assembly for evaporating a refrigerant fluid of a refrigerant arrangement, said evaporator assembly comprising a housing comprising an inlet manifold configured to allow the insertion of said refrigerant fluid in liquid state and an outlet manifold configured to allow the suction of said refrigerant fluid in gaseous state, said outlet and inlet manifolds being disposed inclined with respect to a vertical axis of said evaporator assembly perpendicular to said longitudinal axis,
 said evaporator assembly comprising a hybrid evaporation module housed within said space and comprising a tube bundle provided with a plurality of tubes configured to allow the passage of an operative fluid, a support structure and a distributor   wherein said support structure defines a space housing at least part of said tubes,   wherein said distributor comprises a conduit assembly at least partially housed within said space and passing through said inlet manifold and extending along a transversal axis perpendicular to said longitudinal and vertical axis,   said distributor further comprises a plurality of distribution conduits housed within said space and extending along said longitudinal axis from said conduit and provided with openings to distribute liquid refrigerant fluid above said tube bundle,   wherein said conduit assembly is positioned in a middle position along said longitudinal axis and wherein said distribution conduits extends above said tube bundle,   said distribution conduits being disposed in a symmetric manner with respect to said transversal axis and said vertical axis.   
     
     
         2 . Evaporator assembly according to  claim 1 , wherein said conduit assembly comprises an external housing fixedly connected to said distribution conduits and an inner housing configured to be selectively housed within said external housing through said inlet manifold, said external housing and said inner housing being provided with openings in fluid communication with said distribution conduits. 
     
     
         3 . Evaporator assembly according to  claim 2 , wherein said at least one between the openings on said external housing and the openings on said inner housing have a variable dimension according to their position along said transversal axis. 
     
     
         4 . Evaporator assembly according to  claim 2 , wherein said at least one between the openings on said external housing and the openings on said inner housing have a variable dimension according to their position along said transversal axis,
 wherein said openings are disposed in a pair of plurality of openings, said pair of openings being disposed one opposed to the other in diameter direction and being disposed linearly parallel to said transversal axis direction.   
     
     
         5 . Evaporator according to  claim 4 , wherein said inner housing comprises a plurality of pairs of openings each pair being angularly displaced with respect to the other with respect to said transversal axis. 
     
     
         6 . Evaporator according to  claim 1 , wherein said conduit assembly comprises a distribution plate configured to be selectively fluidly interposed between said external housing and said conduits. 
     
     
         7 . Evaporator according to  claim 6 , wherein said distribution plate defines a plurality of openings to distribute said refrigerant fluid within said inner housing. 
     
     
         8 . Evaporator according to  claim 1 , wherein said distribution conduits are connected together by a pair of terminal transversal elements connected to terminal portions of said distribution conduits. 
     
     
         9 . Evaporator according to  claim 1 , wherein said distribution conduits are connected together by a plurality of transversal elements spaced along said longitudinal axis between terminal portions of said distribution conduits. 
     
     
         10 . Evaporator according to  claim 1 , wherein said distribution conduits comprises a plurality of openings faced to said tube bundle and configured to allow flowing of said refrigerant fluid on said tubes of said tube bundle. 
     
     
         11 . Evaporator according to  claim 10 , wherein said openings have a variable dimension in function of their positioning along said longitudinal axis.