Abstract: A covering device covers a front area of a device for the passage of air. The device for the passage of air fits in an opening in a wall of a casing, in particular a casing of waste heat producing components, of an electronic cupboard, or of a switch cupboard. The covering device also covers a filter mat of the device for the passage of air. The covering device includes a cover covering the filter mat with a number of inclined lamellar elements, each lamellar element has in its upper area a section with a hook-type configuration orientated against the air admission.

Abstract: An air passage device for installation into a mounting opening in a wall of a housing for components generating waste heat, such as a switching box, has a base housing with a fan support for a fan and a design cover with a fan grid having sheet elements. At least one swivellable sheet element or at least one flexible, tongue-shaped side wall section, separated from the remaining side wall surface of the side walls of the design cover by slits running transversely to the longitudinal direction of the side wall, is formed in the region of the upper side wall of the design cover facing away from the swivel axis for swivelling the design cover. The sheet element and the tongue-shaped side wall section are constructed as a detachable and lockable detent connection, able to be actuated by a finger, between the design cover and the base housing.

Abstract: The filter fan with a basic casing with a frame which is provided with quick fixing devices in form of spring-elastic preferably wing-type brackets is configured in such a manner that the frame is configured continuously closed all around its periphery and the brackets configured as plate-shaped blanks are molded on the frame, brackets which are provided with a number of slits for constituting spring-elastic snap-in tongues.

Abstract: A filter fan, with a blower, for fitting in a mounting opening in a wall. The filter fan has a basic casing, a design cover. An aeration grid with lamellar elements is held on the opposed side walls of the design cover and a filter mat is placed between the basic casing and the fan grid. A grid element is placed on the air outlet side of the filter fan for the passage of air above an air outlet. The grid element has an ascending section and a planar section, whereby the ascending section changes into the planar section and a full surface section is provided on the planar section.

Abstract: A device for monitoring a sound generator includes at least one coupler module, a signal evaluation element, and an output element. The device is coupled by at least one coupler module with the sound generator for purposes of monitoring the latter.

Abstract: A signaling device for emitting an acoustic and/or visual signal includes a base housing body and an upper housing part. The upper housing part is connected to the base housing body and forms a receiving space, in which at least one electrical component assembly is disposed. The connection means includes one or more locking pins, which can be disposed in a retaining manner on the upper housing part. The locking pins include a shaft, which can be inserted into a respective assigned opening in the base housing body, and on which at least one catch is disposed. The locking pins can be locked in the base housing body with the catch via a rotation about a partial angle of a full circle.

Abstract: In order to arrange an air passage device for the admission and purification of air, in particular ambient air, into the interior of a control cabinet or computer housing in such a way that the device can be used also in an environment which is subject to an increased degree of pollution, a first purifying includes a centrifugal separator.

Abstract: An air passage device for installation into a mounting opening (50) in a wall (51) for components generating waste heat, such as a switch box, includes a base housing (21; 221) with a fan support (25) and a design cover (80; 280), wherein the design cover (80; 280) has on an air inlet side a covering device (100) constructed as a fan grid (10; 210) with sheet elements (90, 90?; 290, 290?).

Abstract: A signaling device includes an audio signaling unit for emitting an acoustic signal and a light signaling unit for emitting a visual signal. A base housing body is provided, upon which the signaling device is arranged on an accommodating body. An upper housing part is provided, arranged on the base housing body, for forming a receiving space. The base body of the light signaling unit is formed of a light-transparent signal cap, that includes a base area which is spanned by a connection frame. The light signaling unit further includes an electrical switching unit, which is disposed in the connection frame. The base housing body includes a side wall, and the signal cap is attached to the outer side of the side wall with the base area and is disposed on the base housing body.

Abstract: A filter fan of a switch cupboard or of an electrical and/or electronic device placed in a casing with a blast producing an air flow and with a filter element (3) which is placed in the air flow and separates a clean side, on which the blast is placed, from an unclean side, wherein the filter element is held in a frame which can be fixed on the casing by covering the air passage opening penetrating through the casing wall and wherein a protective grid (4) is placed between the filter element (3) and the blast, the invention proposes that a bridging-free distance is provided between the filter surface of the filter element (3) and the protective grid (4), wherein this distance is dimensioned so as to make possible the discharge of water drops on the clean side surface of the filter element and to avoid a contact of the water drops with the protective grid.

Abstract: A signaling device for emitting an acoustic and/or visual signal includes a base housing body, and an upper housing part. The upper housing part can be connected to the base housing to form a receiving space, in which at least one electrical component assembly for generating signals is disposed and from which at least a first electrical line can be guided into the signaling device. A line connection mechanism is provided and disposed in the base housing body to which the electrical line can be connected. The electrical component assembly for the signal generation is disposed on the upper housing part.

Abstract: An air passage device for installation into a mounting opening in a wall of a housing for components generating waste heat, such as a switching box, has a base housing with a fan support for a fan and a design cover with a fan grid having sheet elements. At least one swivellable sheet element or at least one flexible, tongue-shaped side wall section, separated from the remaining side wall surface of the side walls of the design cover by slits running transversely to the longitudinal direction of the side wall, is formed in the region of the upper side wall of the design cover facing away from the swivel axis for swivelling the design cover. The sheet element and the tongue-shaped side wall section are constructed as a detachable and lockable detent connection, able to be actuated by a finger, between the design cover and the base housing.

Abstract: A filter fan includes a basic housing with a frame, wherein the frame is equipped with a quick fastening device in the form of spring-elastic clips. In order to prevent air and/or moisture from penetrating into a housing, the frame extends continuously and without openings around a circumference. The clips are molded onto the frame.

Abstract: A signaling device for emitting an acoustic and/or visual signal includes a base housing body and an upper housing part. The upper housing part is connected to the base housing body and forms a receiving space, in which at least one electrical component assembly is disposed. The connection means includes one or more locking pins, which can be disposed in a retaining manner on the upper housing part. The locking pins include a shaft, which can be inserted into a respective assigned opening in the base housing body, and on which at least one catch is disposed. The locking pins can be locked in the base housing body with the catch via a rotation about a partial angle of a full circle.

Abstract: A signaling device includes an audio signaling unit for emitting an acoustic signal and a light signaling unit for emitting a visual signal. A base housing body is provided, upon which the signaling device is arranged on an accommodating body. An upper housing part is provided, arranged on the base housing body, for forming a receiving space. The base body of the light signaling unit is formed of a light-transparent signal cap, that includes a base area which is spanned by a connection frame. The light signaling unit further includes an electrical switching unit, which is disposed in the connection frame. The base housing body includes a side wall, and the signal cap is attached to the outer side of the side wall with the base area and is disposed on the base housing body.

Abstract: A signaling device for emitting an acoustic and/or visual signal includes a base housing body, and an upper housing part. The upper housing part can be connected to the base housing to form a receiving space, in which at least one electrical component assembly for generating signals is disposed and from which at least a first electrical line can be guided into the signaling device. A line connection mechanism is provided and disposed in the base housing body to which the electrical line can be connected. The electrical component assembly for the signal generation is disposed on the upper housing part.

Abstract: An air passage device, in particular a filter fan or outlet filter for installation in a mounting opening in a wall or in a housing of a switch cabinet, which is essentially formed by a ventilation grating and a main housing, and a filter mat is insertable between the ventilation grating and the main housing, the ventilation grating being situated on the main housing using an articulated connection, the ventilation grating having joint pins to form the articulated connection, which may each be guided in joint pin guide structures introduced into the main housing, the joint pin guide structures each connecting at least one closure position, one folded-out catch position, and one removal position to one another. An air passage device is thus provided which, based on a simple construction, allows high flexibility in regard to the operation of the ventilation grating and the filter mat.

Abstract: A device for monitoring a sound generator includes at least one coupler module, a signal evaluation element, and an output element. The device is coupled by at least one coupler module with the sound generator for purposes of monitoring the latter.

Abstract: A filter fan of a switch cupboard or of an electrical and/or electronic device placed in a casing with a blast producing an air flow and with a filter element (3) which is placed in the air flow and separates a clean side, on which the blast is placed, from an unclean side, wherein the filter element is held in a frame which can be fixed on the casing by covering the air passage opening penetrating through the casing wall and wherein a protective grid (4) is placed between the filter element (3) and the blast, the invention proposes that a bridging-free distance is provided between the filter surface of the filter element (3) and the protective grid (4), wherein this distance is dimensioned so as to make possible the discharge of water drops on the clean side surface of the filter element and to avoid a contact of the water drops with the protective grid.

Abstract: A device for the passage of air, in particular to a filter fan or output filter, with a blast (20) or without a blast, for fitting in a mounting opening (50) in a wall, in particular of a casing for waste heat producing components, such as a switch cupboard, an electronic cupboard, a computer system or the like. The device for comprises a basic casing (11) with or without a blast support (12), a covering device configured as a design cover (15) with or without peripheral side walls molded on the air outlet side and insertable into the basic casing (11). An aeration grid (14) has lamellar elements (16) is held on the opposed side walls of the design cover (15) and a filter mat (13) placed between the basic casing (11) and the fan grid (14). The device is such that the air coming out the device is delivered into the casing in several directions. For this purpose, a grid element (30) is placed on the air outlet side of the device for the passage of air (10) above an air outlet (21).