US2025347477A1PendingUtilityA1

Heat Exchanger with Heat Exchanger Rods

Assignee: LUNOS LUEFTUNGSTECHNIK GMBH & CO KG FUER RAUMLUFTSYSTEMEPriority: May 8, 2024Filed: May 7, 2025Published: Nov 13, 2025
Est. expiryMay 8, 2044(~17.8 yrs left)· nominal 20-yr term from priority
F24F 12/001F28F 1/422F28F 1/124F24F 7/065F24F 2007/005F28D 7/106F28D 7/103F28F 2250/08F28F 1/40F28D 17/02
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Claims

Abstract

Heat exchanger ( 100 ) designed as a gas-solid body heat exchanger includes at least one support ( 10, 15, 20 ) having a multiplicity of heat exchanger rods ( 30 ) arranged on the support, wherein the heat exchanger rods extend like rays from the support.

Claims

exact text as granted — not AI-modified
1 . Heat exchanger ( 100 ) designed as a gas-solid body heat exchanger comprising at least one support ( 10 ,  15 ,  20 ) having a multiplicity of heat exchanger rods ( 30 ) arranged on the support, wherein the heat exchanger rods extend like rays from the support. 
     
     
         2 . Heat exchanger ( 100 ) according to  claim 1 , in which the at least one support is an internal support ( 10 ), from the outer surface of which the heat exchanger rods ( 30 ) extend, or an external support ( 15 ), from the inner surface of which the heat exchanger rods ( 30 ) extend, or a middle support ( 20 ), from the inner surface and from the outer surface of which heat exchanger rods extend. 
     
     
         3 . Heat exchanger ( 100 ) according to  claim 1 , in which the heat exchanger rods ( 30 ) are arranged in such a way that the heat exchanger rods form a continuous surface when considered in a plan view of an end face of the heat exchanger. 
     
     
         4 . Heat exchanger ( 100 ) according to  claim 3 , in which, in addition, at least one heat exchanger rod is covered by another heat exchanger rod in this plan view of an end face of the heat exchanger, wherein a multiplicity of heat exchanger rods is preferably covered by a multiplicity of other heat exchanger rods. 
     
     
         5 . Heat exchanger ( 100 ) according to  claim 3 , in which the external support forms a housing or is integrated into a housing ( 50 ). 
     
     
         6 . Heat exchanger ( 100 ) according to  claim 1 , wherein a plurality of the heat exchanger rods ( 30 ) is arranged at uniform or nonuniform intervals with respect to one another on the support ( 10 ,  15 ,  20 ) within at least one plane, which is preferably arranged orthogonally to the longitudinal axis of the heat exchanger, and/or where-in the planes are spaced apart equally or unequally from one another. 
     
     
         7 . Heat exchanger ( 100 ) according to  claim 1 , in which the at least one support ( 10 ,  15 ,  20 ) has a circular, oval, rectangular or polygonal cross section. 
     
     
         8 . Heat exchanger ( 100 ) according to  claim 1 , in which in each case a plurality of heat exchanger rods ( 30 ), in particular all the heat exchanger rods, are of the same construction. 
     
     
         9 . Heat exchanger ( 100 ) according to  claim 1 , in which at least one of the heat exchanger rods ( 30 ) has a round, oval, rectangular or polygonal cross section, and a length of the heat exchanger rod is a multiple of the largest cross-sectional dimension of the heat exchanger rod. 
     
     
         10 . Heat exchanger ( 100 ) according to  claim 1 , in which at least one of the heat exchanger rods ( 30 ) has a constant or a varying cross-sectional profile over its length, wherein the variation in the cross section over the length is continuous or discrete, or in which at least one of the heat exchanger rods ( 30 ) has a cross-sectional profile over its length which is a combination of regions with constant cross sections and regions with cross sections that vary continuously or discretely over the length. 
     
     
         11 . Heat exchanger ( 100 ) according to  claim 1 , in which at least one of the heat exchanger rods ( 30 ) is of rectilinear or bent or spiral design. 
     
     
         12 . Heat exchanger ( 100 ) according to  claim 1 , in which at least one of the heat exchanger rods ( 30 ) is hollow. 
     
     
         13 . Heat exchanger ( 100 ) according to  claim 1 , wherein the heat exchanger rods ( 30 ) all have the same length or a plurality of heat exchanger rods ( 30 ) has different lengths. 
     
     
         14 . Heat exchanger ( 100 ) according to  claim 1 , wherein a plurality of heat exchanger rods ( 30 ) is mounted individually on the support ( 10 ,  15 ,  20 ) and/or a plurality of heat exchanger rods ( 30 ) grouped together into heat exchanger groups ( 40 ) is mounted on said support. 
     
     
         15 . Heat exchanger ( 100 ) according to  claim 1 , wherein at least one of the heat exchanger rods ( 30 ) comprises a ceramic, a polymer material, in particular polystyrene or ABS, or a metallic material, in particular stainless steel. 
     
     
         16 . Heat exchanger ( 100 ) according to  claim 1 , wherein the heat exchanger rods ( 30 ) are arranged in sockets ( 5 ) on the support ( 10 ,  15 ,  20 ). 
     
     
         17 . Heat exchanger ( 100 ) according to  claim 1 , in which the support ( 10 ,  15 ,  20 ) and the heat exchanger rods ( 30 ) are manufactured together in integral form. 
     
     
         18 . Heat exchanger ( 100 ) according to  claim 1 , having at least one dividing wall for the fluidically separate guidance of two air flows over the entire longitudinal axis of the heat exchanger. 
     
     
         19 . Heat exchanger system ( 200 ) comprising at least two heat exchangers ( 100 ) according to  claim 1 , and at least one connecting element, which is designed to connect at least two heat exchangers to one another. 
     
     
         20 . Heat exchanger system ( 200 ) according to  claim 19 , in which the at least one connecting element is formed on at least one heat exchanger. 
     
     
         21 . Heat exchanger system ( 200 ) according to  claim 19 , in which the at least one connecting element is a separate component, in particular a connecting element arranged between at least two heat exchangers ( 100 ) in an assembled state, or a socket arranged around at least parts of the heat exchangers, or a housing around the heat exchangers. 
     
     
         22 . Ventilator ( 300 ) comprising at least one heat exchanger ( 100 ) according to  claim 1  or at least one heat exchanger system ( 200 ) that includes more than one such heat exchanger and at least one fan ( 210 ), wherein the at least one fan can preferably be operated bidirectionally. 
     
     
         23 . Ventilator ( 300 ) according to  claim 22 , further comprising a common housing, in which the at least one heat exchanger ( 100 ) or the at least one heat exchanger system ( 200 ) and the at least one fan ( 210 ) are arranged. 
     
     
         24 . Double ventilator ( 400 ) for interior ventilation, having, in a common housing ( 50 ),
 a first air-guiding device for guiding a first air flow, which has a first interior-side outlet, a first flow space, in which at least one first bidirectionally operable fan ( 210 ) is arranged, and a first external outlet,   a second air-guiding device, fluidically separated from the first air-guiding device, for guiding a second air flow, which has a second interior-side outlet, a second flow space, in which at least one second bidirectionally operable fan ( 210 ) is arranged, and a second external outlet,   at least one heat exchanger ( 100 ) according to  claim 2 , which extends in the first and in the second air-guiding device, is arranged between the respective interior-side and the external outlet in both air-guiding devices, and is designed to guide the first air flow and the second air flow in a fluidically separated but thermally coupled manner by means of the middle support ( 20 ) or the dividing wall ( 90 ), wherein the heat exchanger ( 100 ) in the first and the second air-guiding device in each case additionally forms a regenerator,   wherein the first and the second interior-side outlet are arranged in a fluidically separated manner in a common interior-side partial housing, and the first and the second external outlet are arranged in a fluidically separated manner in a common external partial housing, and   wherein the first and the second flow space as well as the heat exchanger ( 100 ) are arranged in a common middle part of the housing ( 50 ).   
     
     
         25 . Double ventilator ( 400 ) for interior ventilation, having, in a common housing ( 50 ),
 a first air-guiding device for guiding a first air flow, which has a first interior-side outlet, a first flow space, in which at least one first bidirectionally operable fan ( 210 ) is arranged, and a first external outlet,   a second air-guiding device, fluidically separated from the first air-guiding device, for guiding a second air flow, which has a second interior-side outlet, a second flow space, in which at least one second bidirectionally operable fan ( 210 ) is arranged, and a second external outlet,   a heat exchanger system ( 200 ) according to  claim 19 , which extends in the first and in the second air-guiding device, is arranged between the respective interior-side and the external outlet in both air-guiding devices, and is designed to guide the first air flow and the second air flow in a fluidically separated but thermally coupled manner by means of the middle support ( 20 ) or the dividing wall ( 90 ), wherein the heat exchanger system ( 200 ) in the first and the second air-guiding device in each case additionally forms a regenerator,   wherein the first and the second interior-side outlet are arranged in a fluidically separated manner in a common interior-side partial housing, and the first and the second external outlet are arranged in a fluidically separated manner in a common external partial housing, and   wherein the first and the second flow space as well as the heat exchanger system are arranged in a common middle part of the housing ( 50 ).

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