Patents Assigned to Zehnder Group International AG
  • Patent number: 11125462
    Abstract: The invention relates to a channel element for a ventilation system. The channel element has a first opening (O1), a second opening (O2), and a channel wall which extends between the openings and surrounds a channel section. The channel element has a tubular section (25) and a thermally insulating envelope section (20) which is paired with the tubular section and envelopes same at least in sub-regions. The invention further relates to a channel element system made of individual channel elements which are connected together in series and a building envelope which contains such a channel element system.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: September 21, 2021
    Assignee: Zehnder Group International AG
    Inventors: Urs Thoma, Christoph Egli
  • Patent number: 11015873
    Abstract: The invention relates to an exchanger arrangement (3) for the heat transfer and/or selective material transfer between a first fluid (F1) and a second fluid (F2), which can flow through the arrangement (3), said arrangement (2) being constituted of a multitude (n) of adjacent local exchanger elements (E1, E2, . . . , En). The exchanger arrangement (3) has at least in some sections a cylindrical shape or the shape of a segment thereof or a prismatic shape having a polygonal base or the shape of a segment thereof. The adjacent local exchanger elements (E1, E2, . . . , En) are flat structures that are either wedge-shaped or sheet-like.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: May 25, 2021
    Assignee: Zehnder Group International AG
    Inventor: Christian Hirsch
  • Patent number: 10982911
    Abstract: The present invention provides enthalpy exchanger elements (E, E?, PR, PF) and enthalpy exchangers comprising such elements. Furthermore, the invention discloses a method for producing such enthalpy exchanger elements and enthalpy exchangers, comprising the steps of a) providing an air-permeable sheet element (1); b) laminating at least one side (1a, 1b) of the sheet element (1) with a thin polymer film (3, 4) with water vapor transmission characteristics; and c) forming the laminated sheet element (1) into a desired shape exhibiting a three-dimensional corrugation pattern (5, 5, . . . ).
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: April 20, 2021
    Assignees: Zehnder Group International AG, Sympatex Technologies GmbH
    Inventors: Christian Hirsch, Stefan Brandt, Christian Bier, Martin Mayershofer
  • Patent number: 10967333
    Abstract: The present invention provides enthalpy exchanger elements (E, E?) and enthalpy exchangers comprising such elements. Furthermore, the invention discloses a method for producing such enthalpy exchanger elements and enthalpy exchangers, comprising the steps of a) providing an air-permeable sheet element (1); b) laminating at least one side (1a, 1b) of the sheet element (1) with a thin polymer film (3, 4) with water vapor transmission characteristics; and c) forming the laminated sheet element (1) into a desired shape exhibiting a three-dimensional corrugation pattern (5, 5, . . . ).
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: April 6, 2021
    Assignee: Zehnder Group International AG
    Inventors: Christian Hirsch, Stefan Brandt, Christian Bier, Martin Mayershofer
  • Patent number: 10852028
    Abstract: The invention relates to a heat exchanger block 2 and to a heat recovery ventilation unit 1 comprising such a heat exchanger block. In the heat exchanger block 2, the individual flow cross-section (Q1) of flow passages of said plurality of first air flow passages (AFP1) in said parallel flow region (PF) and the individual flow cross-section (Q2) of flow passages of said plurality of second air flow passages (AFP2) in said parallel flow region (PF) gradually, preferably linearly, decrease along a straight line (x-x) perpendicular to the parallel air flow passages (AFP1 and AFP2) and from said first wall (W1) to said second wall (W2) of the block.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: December 1, 2020
    Assignee: Zehnder Group International AG
    Inventors: Christian Hirsch, Arie Veldhuijzen, Martijn Haddeman
  • Patent number: 10584925
    Abstract: The present invention provides a heat exchanger, comprising a plurality of first heat exchange plates (1) and second heat exchange plates (2) that are connected sequentially and at an interval; the first heat exchange plates (1) and the second heat exchange plates (2) each comprise a heat exchange sheet (3) and a heat exchange frame (4) disposed on side ends of the heat exchange sheet (3); the side ends of the heat exchange sheet (3) are formed with a snap projection (9) in a direction away from the heat exchange frame (4); the heat exchange frame (4) is formed with a snap groove (10); the first heat exchange plates (1) and the second heat exchange plates (2) are in interference connection through the engagement between the snap projection (9) and the snap groove (10); an air channel (5, 6) is formed between a first heat exchange plate (1) and an adjacent second heat exchange plate (2), the air inlet of the first heat exchange plate (1) and the air inlet of the second heat exchange plate (2) have different di
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: March 10, 2020
    Assignee: Zehnder Group International AG
    Inventors: Zhangeng Guo, Hongwei Ran
  • Patent number: 10436475
    Abstract: The invention relates to a system and method for fastening a heating/cooling element (3) to a wall or to a floor, the method comprising the following steps: a) fastening at least two brackets (1, 2) to a wall (W) and/or to a floor (B), the longitudinal axis (L) of each bracket (1, 2) being vertically oriented and the two brackets (1, 2) being spaced apart from one another in the horizontal direction; b) bringing a first (lower) edge formation of the heating/cooling element into engagement with the complementary first bracket formation (F1) of the particular bracket (1, 2), so that a pivoting engagement between the heating/cooling element (3) and the brackets (1, 2) is established; c) pivoting the heating/cooling element (3) with respect to the two brackets (1, 2) about a pivot axis (R), a second (upper) edge formation of the heating/cooling element being swiveled toward the second bracket formation (F2) of the particular bracket (1, 2); and d) bringing the second (upper) edge formation of the heating/cooling
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: October 8, 2019
    Assignee: Zehnder Group International AG
    Inventors: Dominik Eggert, Jorg Evertz, Martin Muller, Uwe Werner, Roland Diethelm
  • Publication number: 20180266774
    Abstract: The present invention provides a heat exchanger, comprising a plurality of first heat exchange plates (1) and second heat exchange plates (2) that are connected sequentially and at an interval; the first heat exchange plates (1) and the second heat exchange plates (2) each comprise a heat exchange sheet (3) and a heat exchange frame (4) disposed on side ends of the heat exchange sheet (3); the side ends of the heat exchange sheet (3) are formed with a snap projection (9) in a direction away from the heat exchange frame (4); the heat exchange frame (4) is formed with a snap groove (10); the first heat exchange plates (1) and the second heat exchange plates (2) are in interference connection through the engagement between the snap projection (9) and the snap groove (10); an air channel (5, 6) is formed between a first heat exchange plate (1) and an adjacent second heat exchange plate (2), the air inlet of the first heat exchange plate (1) and the air inlet of the second heat exchange plate (2) have different di
    Type: Application
    Filed: September 22, 2016
    Publication date: September 20, 2018
    Applicant: ZEHNDER GROUP INTERNATIONAL AG
    Inventors: Zhangeng GUO, Hongwei Ran
  • Patent number: 10041746
    Abstract: Enthalpy exchanger elements which allow the creation of enthalpy exchangers whereby the efficiency of sensible energy exchange and latent energy exchange can be varied and controlled and especially improved. Also, a method for the production of enthalpy exchanger elements including: ?a) perforating a flat plate element (1) according to a predetermined perforation pattern (2, 2, . . . ) within the plate outer dimensions, or providing a plate element (1) with an inherent pore structure; ?b) applying to at least one side (1a) of the plate element (1) a thin polymer film (3) with water vapor transmission characteristics; ?c) forming the plate element (1) into a desired shape exhibiting a corrugation pattern (4, 4, . . . ), whereby the polymer film (3) is formed into the same corrugation pattern shape as that of the plate element (1).
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: August 7, 2018
    Assignee: Zehnder Group International AG
    Inventors: Marcel Riendeau, Christian Hirsch, Erhard Krumpholz
  • Publication number: 20170082369
    Abstract: The invention relates to a tube register (RR) for a heat exchanger (WT), in particular a heating element or cooling element, through which a heat transfer fluid may flow, and which has two distributor lines (1, 2), between which a plurality of connecting tubes (3) extend which fluidically connect the first distributor line, also referred to as the supply distributor (1), to the second distributor line, also referred to as the return distributor (2), the tube register having a linear supply distributor (1) and a linear return distributor (2) running in parallel thereto, between which a plurality of connecting tubes (3), situated in a plane, extend, the first ends (3a) of the connecting tubes (3) in each case being fluidically connected to the supply distributor (1), and the second ends (3b) of the connecting tubes (3) in each case being fluidically connected to the return distributor (2), characterized in that the connecting sites (P1) between the supply distributor (1) and the connecting tubes (3) are situate
    Type: Application
    Filed: December 4, 2014
    Publication date: March 23, 2017
    Applicant: Zehnder Group International AG
    Inventors: Dominik EGGERT, Uwe WERNER, Roland DIETHELM
  • Publication number: 20170074543
    Abstract: The invention relates to a system and method for fastening a heating/cooling element (3) to a wall or to a floor, the method comprising the following steps: a) fastening at least two brackets (1, 2) to a wall (W) and/or to a floor (B), the longitudinal axis (L) of each bracket (1, 2) being vertically oriented and the two brackets (1, 2) being spaced apart from one another in the horizontal direction; b) bringing a first (lower) edge formation of the heating/cooling element into engagement with the complementary first bracket formation (F1) of the particular bracket (1, 2), so that a pivoting engagement between the heating/cooling element (3) and the brackets (1, 2) is established; c) pivoting the heating/cooling element (3) with respect to the two brackets (1, 2) about a pivot axis (R), a second (upper) edge formation of the heating/cooling element being swiveled toward the second bracket formation (F2) of the particular bracket (1, 2); and d) bringing the second (upper) edge formation of the heating/cooli
    Type: Application
    Filed: December 2, 2014
    Publication date: March 16, 2017
    Applicant: Zehnder Group International AG
    Inventors: Dominik Eggert, Jorg Evertz, Martin Muller, Uwe Werner, Roland Diethelm
  • Patent number: D800283
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: October 17, 2017
    Assignee: Zehnder Group International AG
    Inventors: Erik Boxum, Martijn Haddeman
  • Patent number: D824503
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: July 31, 2018
    Assignee: Zehnder Group International AG
    Inventors: Erik Boxum, Martijn Haddeman
  • Patent number: D827797
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: September 4, 2018
    Assignee: Zehnder Group International AG
    Inventors: Erik Boxum, Martijn Haddeman
  • Patent number: D877307
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: March 3, 2020
    Assignee: Zehnder Group International AG
    Inventors: Erik Boxum, Martijn Haddeman