Fuel cell device

Abstract

In order to improve a fuel cell device comprising at least one fuel cell unit and a line system, wherein the line system comprises at least one line device for a fuel medium and / or a line device for an oxidation medium and / or in particular a line device for a temperature control medium and / or in particular a line device for ventilation, it is proposed that at least two components of the fuel cell device are connected to one another by at least one, in particular glued, tongue and groove connection and / or that a jet pump is arranged at least in one line section of the line system, wherein the jet pump is formed from at least two components.

Claims

[1] Fuel cell device (100) comprising at least one fuel cell unit (110) and a line system (112), wherein the line system (112) comprises at least one line device (114) for a fuel medium and / or a line device (116) for an oxidation medium and / or in particular a line device (124) for a temperature control medium and / or in particular a line device (134) for ventilation, wherein at least two components (312, 314, 552, 554) of the fuel cell device (100) are connected to one another by at least one tongue and groove connection (320) and wherein a tongue (382) and a groove (384) of the at least one tongue and groove connection (320) are connected to one another in a materially bonded manner, wherein in particular at least one tongue and groove connection (320) is a glued tongue and groove connection (320). [2] Fuel cell device (100) according to claim 1, characterized bythat in the glued tongue and groove connection (320) at least one adhesive area (472) is formed, wherein in particular at least one of the following is provided: - that at least in the at least one adhesive region (472) a surface of the tongue (382) and a surface of the groove (384) are spaced apart from each other; and / or - that the at least one adhesive region (472) is formed continuously along an extension of the tongue and groove connection (320); and / or - that the at least one adhesive region (472) is formed in the region of a groove bottom (434) of the groove (384). [3] Fuel cell device (100) according to one of the preceding claims, characterized by that a plurality of fitting elements (452) are formed in at least one tongue and groove connection (320). [4] Fuel cell device (100) according to the preceding claim, characterized by at least one of the following: - that at least some of the fitting elements (452) keep the groove (384) and the tongue (382) at least partially spaced from each other; and / or - that at least some of the fitting elements (452) at least partially create a positive connection between the groove (384) and the tongue (382). [5] Fuel cell device (100) according to one of the preceding claims, characterized by that at least some fitting elements (452) of at least one tongue and groove connection (320) are arranged offset from one another. [6] Fuel cell device (100) according to one of the preceding claims, characterized by that at least some fitting elements (452) of at least one tongue / groove connection (320) have a shorter extension in a connection direction (372) of the tongue / groove connection (320) than the tongue (382) of the tongue / groove connection (320) and / or than a depth of the groove (384) of the tongue / groove connection (320). [7] Fuel cell device (100) according to one of the preceding claims, characterized by that at least some fitting elements (452) of at least one tongue and groove connection (320) are formed by at least one of the at least two components (312, 314, 552, 554) which are connected to one another by the at least one tongue and groove connection (320). [8] Fuel cell device (100) according to one of the preceding claims, characterized by that in at least one tongue / groove connection (320) at least some fitting elements (452) are formed on the tongue (382) of the tongue / groove connection (320). [9] Fuel cell device (100) according to the preceding claim, characterized by at least one of the following: - that at least some of the fitting elements (452) formed on the spring (382) extend along at least one spring back (416) of the spring (382) and / or extend from a spring foot (412) of the spring (382); and / or - that the spring (382) has a front region (456) which is free of fitting elements (452) formed on the spring (382). [10] Fuel cell device (100) according to one of the preceding claims, characterized by that in at least one tongue / groove connection (320) at least some fitting elements (452) are formed in the groove (384) of the tongue / groove connection (320). [11] Fuel cell device (100) according to the preceding claim, characterized by at least one of the following: - that at least some of the fitting elements (452) formed in the groove (384) extend along at least one groove wall (436) of the groove (384) and / or extend from a groove bottom (434) of the groove (384); and / or - that the groove (384) has an upper region (458) which is free of fitting elements (452) formed in the groove (384). [12] Fuel cell device (100) according to one of the preceding claims, characterized by that in at least one tongue / groove connection (320) at least some fitting elements (452) are designed as projections on the tongue (382) and / or as projections in the groove (384). [13] Fuel cell device (100) according to one of the preceding claims, characterized by that the fuel cell device (100) comprises a housing (118) and the at least one fuel cell unit (110) is arranged in an interior space (119) of the housing (118). [14] Fuel cell device (100) according to one of the preceding claims, characterized by that the fuel cell device (100) comprises a particularly multi-part media module (140), wherein the media module (140) forms several line sections of the line system (112), wherein in particular at least one of the following is provided: - that the media module (140) forms at least one connection (272, 282, 288, 296) of at least one line device (114, 116, 124, 134) of the line system (112); and / or - that the fuel cell device (100) has a housing device (117) and the housing device (117) comprises the media module (140) and the housing (118) and / or that the media module (140) is arranged on the housing (118). [15] Fuel cell device (100) according to one of the preceding claims, characterized by that at least two components (312, 314, 552, 554), which are connected to one another by at least one tongue and groove connection (320), are components of the housing device (117). [16] Fuel cell device (100) according to one of the preceding claims, characterized by that at least two components (312, 314, 552, 554), which are connected to one another by at least one tongue and groove connection (320), are components of the media module (140). [17] Fuel cell device (100) according to one of the preceding claims, characterized by that at least two components (312, 314, 552, 554), which are connected to one another by at least one tongue and groove connection (320), are components of the housing (118). [18] Fuel cell device (100) according to one of the preceding claims, characterized by that at least two components (312, 314, 552, 554), which are connected to one another by at least one tongue and groove connection (320), form at least one line section of the line system (112). [19] Fuel cell device (100) according to one of the preceding claims, characterized by that at least one component of the line system (112) is arranged between at least two components (312, 314, 552, 554), which are connected to one another by at least one tongue and groove connection (320), wherein in particular at least one of the following is provided: - that at least one component is at least part of a heat exchanger unit (302); and / or - that at least one component is at least part of a moisture separation unit (304); and / or - that at least one component is at least part of a pressure control unit (306); and / or - that at least one component is a nozzle. [20] Fuel cell device (100) according to one of the preceding claims, characterized by that at least one of the two components (312, 314, 552, 554), which are connected to one another by at least one tongue and groove connection (320), is formed from a material comprising at least one plastic and is in particular a plastic part and / or an injection-molded part. [21] Fuel cell device (100) according to one of the preceding claims, characterized bythat a locking device (482) is formed in at least two components (312, 314, 552, 554) which are connected to one another by at least one tongue and groove connection (320). [22] Fuel cell device (100) according to the preceding claim, characterized by that the locking device (482) holds the at least two components (312, 314, 552, 554) together in a locked state. [23] Fuel cell device (100) according to one of the two preceding claims, characterized by that the locking device (482) is designed to automatically change into the locked state when the at least two components (312, 314, 552, 554) are arranged such that the spring (382) engages in the groove (384). [24] Fuel cell device (100) according to one of the three preceding claims, characterized byin that the locking device (482) comprises at least one locking hook (484) and a locking counterpart (486), wherein in the locked state the locking hook (484) is locked to the locking counterpart, wherein in particular the locking hook (484) is formed by one of the at least two components (312, 314, 552, 554) and the locking counterpart (486) is formed by the other of the at least two components (312, 314, 552, 554). [25] Fuel cell device (100), in particular according to one of the preceding claims, comprising at least one fuel cell unit (110) and a line system (112), wherein the line system (112) comprises at least one line device (114) for a fuel medium and / or at least one line device (116) for an oxidation medium and / or a line device for a temperature control medium (124) and / or a line device (134) for ventilation, wherein a jet pump (512), in particular a passively acting jet pump (512), is arranged at least in one line section of the line system (112), wherein the jet pump (512) is formed from at least two components (312, 314, 552, 554). [26] Fuel cell device (100) according to the preceding claim, characterized by that at least one fluid line section (522) of the jet pump (512) is at least partially formed from at least two components (312, 314, 552, 554). [27] Fuel cell device (100) according to one of the two preceding claims, characterized by that at least one intake tract (532) of the jet pump (512) and / or at least one diffuser (542) of the jet pump (512) is formed from at least two components (312, 314, 552, 554). [28] Fuel cell device (100) according to one of the preceding claims, characterized by that at least one component of the at least two components (312, 314, 552, 554) which form a line section and / or the jet pump (512) is free of undercuts at least with respect to a demoulding direction (558). [29] Fuel cell device (100) according to one of the four preceding claims, characterized by that at least one component of the at least two components (312, 314, 552, 554) which form the jet pump (512) is formed from a material comprising at least one plastic and / or is a plastic part and / or is an injection-molded part. [30] Fuel cell device (100) according to one of the five preceding claims, characterized by that at least two components (312, 314, 552, 554) which form the jet pump (512) are connected to one another by a tongue and groove connection (320).

Images