Abstract: The invention relates to a hazard detector for an evaluation unit (12, 14), e.g. a fire detector and/or extinguishing control center (12). The hazard detector (10) comprises a housing (16) having at least one sensor unit (22) or a sensor interface for connecting the sensor unit (22) to capture a hazard parameter. Moreover, the hazard detector (10) comprises a first electronic assembly (26), electrically connected to the sensor unit (22) or the sensor interface, for processing sensor signals of the sensor unit (22), and a second electronic assembly (30), connected to at least one first interface (38) for electrically connecting the second electrical assembly (30) to a physically remote evaluation unit (12, 14). In this arrangement, the first electronic assembly (26) and the second electronic assembly (30) comprise a wireless data connection (32) for transmitting the processed sensor signals from at least the first electronic assembly (26) to the second electronic assembly (30).

Abstract: A sectional valve includes a working valve and a control valve, which controls the working valve. In order to permit a greater flexibility with respect to possible settings and/or use or operation by comparison to known solutions, it is proposed, for example, that the control valve have a control spring (34, 34?), which presses the anchor (5) onto the control valve seat (17), and against which the control coil (26) lifts the anchor (5) from the control valve seat (17), a permanent magnet (29), which in an actuation state is configured to hold the anchor (5) lifted from the control valve seat (17) by the core (35), and a magnet holder (28), in and/or on which the permanent magnet (29) is held in the actuation state, and which permits a distance from the permanent magnet (29), and/or that the control valve is configured to variably position the core (35) along a force generated by the control spring (34, 34?).

Abstract: An extinguishing fluid nozzle system (1, 100, 200), for stationary fire extinguishing systems, with an extinguishing fluid nozzle having a main body (3, 104, 204) which has an inlet opening (23, 123, 223) and can be fixed in fluid-conducting relationship to an extinguishing fluid line, a nozzle head (5, 106, 206) which has one or more outlet openings (25, 125, 225) connected in fluid-conducting relationship to the inlet opening for the discharge of the extinguishing fluid, and an aperture (7, 107, 207) having an aperture ring (15, 115, 215) for flow limitation, arranged in the fluid path between the inlet opening and the one or more outlet openings. The aperture has a grip portion (17, 117, 217) which is fixedly connected to the aperture ring and which extends outwardly from the aperture ring and which in the fitted condition of the aperture extends outside the extinguishing fluid nozzle.

Abstract: An alarm valve station (80) of a fire extinguishing system (100) includes a fire extinguishing system valve (1) having a housing (2, 3) which has a fluid inlet chamber (8), a fluid outlet chamber (9) and a closing body (4a) reciprocable between a blocking state and a release state, wherein the fluid inlet chamber (8) and the fluid outlet chamber (9) are separated from each other in the blocking state and communicate with each other in fluid-conducting relationship in the release state. In particular it is proposed that the evaluation unit is connected in signal-conducting relationship to one or more actuators, and is adapted to control the actuator or actuators by the control commands, wherein the alarm valve station preferably has one or more sensors and the evaluation unit is connected in signal-conducting relationship to the sensor or sensors and is adapted to control the actuator or actuators in dependence on the sensor data present thereat.

Abstract: The invention pertains to an unmanned vehicle (2) for initiating a fire extinguishing action, wherein the vehicle comprises: a vehicle sensor unit (6) for detecting a fire parameter KF of a vehicle monitoring region (8), a vehicle communication unit (10) for receiving an instruction signal SI representing a detected fire, a target location (16) and/or a target region (137), and a navigation control unit (18) for navigating the vehicle (2) to the target location (16) based on the instruction signal SI, wherein the vehicle (2) is configured for detecting the fire parameter KF in the form of a verification fire parameter KV of the fire detector monitoring region (12) at the target location (16) by means of the vehicle sensor unit (6), wherein the vehicle (2) is configured for determining a verification fire status ZV by evaluating the verification fire parameter KV, and wherein the vehicle (2) is designed and/or configured for initiating a fire extinguishing action if the verification fire status ZV was determin

Abstract: A method for extinguishing objects or appliances, in which, once a fire signal has been detected at point in time t1, a first device (17) providing an extinguishing agent is triggered, for discharging a liquid synthetic extinguishing agent (14), via a separating device (8), a common conveying pipe (9) and at least one nozzle (10), and, once a second fire signal has been detected at point in time t2, a second device (18) providing an extinguishing agent is triggered for discharging water (3) or a water-based extinguishing agent via the separating device (8), the common conveying pipe (9) and the at least one nozzle (10) for extinguishing. A system is also provided for extinguishing objects or appliances.

Abstract: A fire detection and/or extinguishing control station for actuating two extinguishing agent supply devices using a control unit. After actuating a first extinguishing agent supply device (17) upon detection of a first fire signal at time (t1), the control station is additionally equipped to actuate a second extinguishing agent supply device (18) upon detection of a second fire signal at time (t2) if the control station has checked whether the time (t2) fulfills the inequality (t1+tc)<t2<(t1+tb), where (tc) represents a discharge time of the complete or partial discharge of at least one extinguishing agent container (1) of the first extinguishing agent supply device (17), (tk) represents a check time connected to the discharge time (tc), and (tb) represents a monitoring time period, and the monitoring time period (tb) is the sum of the discharge time (tc) and the check time (tk) beginning at time (t1).

Abstract: A method for extinguishing objects or appliances, in which, once a fire signal has been detected at point in time t1, a first device (17) providing an extinguishing agent is triggered, for discharging a liquid synthetic extinguishing agent (14), via a separating device (8), a common conveying pipe (9) and at least one nozzle (10), and, once a second fire signal has been detected at point in time t2, a second device (18) providing an extinguishing agent is triggered for discharging water (3) or a water-based extinguishing agent via the separating device (8), the common conveying pipe (9) and the at least one nozzle (10) for extinguishing. A system is also provided for extinguishing objects or appliances.

Abstract: The invention relates to an alarm valve station (1) for a fire alarm system (100), having an alarm valve (3) with an extinguishing fluid inlet (5) and an extinguishing fluid outlet (7), wherein the alarm valve (3) is set up for selectively releasing or blocking the extinguishing fluid flow between the extinguishing fluid inlet (5) and the extinguishing fluid outlet (7), having a pressure sensor (11) which is in a fluid-communication with the alarm valve (3) and which is configured to detect a change in pressure and for converting this into an electrical alarm signal (13), and having an alarm delay device (15) for delaying the alarm signal. It is proposed according to the invention that the alarm delay device (15) is designed as an electrical alarm delay device (15) and is connected in signal-communication with the pressure sensor (11).

Abstract: A method for measuring a line resistance RL (7) and determining control line (16) faults in a hazard warning and control system. The control lines (16) connect a control device (20) to an actuator (10) using an actuation voltage UA in the case of an event and supplies the actuator (10) with a monitoring voltage UM in the case of a monitoring process using a monitoring module (21). Furthermore, the control device (20) has a constant current sink (6), which can be activated by a microcontroller (1), and a switchover device (5). In order to determine the line resistance RL (7), a constant voltage supply is provided in a measurement time interval ?tM by an energy store (9) integrated into the monitoring module (21) and is fed back to the control device (20), and the switchover device (5) deactivates the monitoring voltage UM supply from the control device (20) to the actuator (10) during the entire measurement time interval ?tM.

Abstract: The disclosure relates to an automatic fire extinguishing system. It includes a hazard alarm control unit having a housing, a first electronic assembly and a second electronic assembly which is formed on an outside as an operating and display front panel without a display and has switching elements and luminous indicators and is formed on an inside as an commissioning and configuration unit which comprises configuration parameter selector and a first optical display. The second electronic assembly is connected to the first electronic assembly in a signal-conducting manner and set up such that the set configuration parameters of the configuration parameter selector are accepted by the first electronic assembly for holding and processing in at least one configuration module. The invention also relates to a method for commissioning and configuring an automatic fire extinguishing system.

Abstract: A fire extinguishing system valve (1) comprising a housing (2, 3) which has a fluid inlet chamber (8), a fluid outlet chamber (9) and a closing body (4a) reciprocable between a blocking state and a release state, wherein the fluid inlet chamber (8) and the fluid outlet chamber (9) are separated from each other in the blocking state and communicate with each other in fluid-conducting relationship in the release state. At least one pressure sensor (6) is integrated in the housing (2, 3).

Abstract: The invention relates to a hazard alarm control unit having a housing (1), having a first electronic assembly (2) which is releasably fastened in the housing (1) and comprises a central processing unit (3) which is configured to execute stored programming instructions including at least one configuration module, and also a detector signal acquisition unit (4) and a controlling unit (5).

Abstract: The invention relates to a hazard alarm control unit having a housing (1), having a first electronic assembly (2) which is releasably fastened in the housing (1) and comprises a central processing unit (3) which is configured to execute stored programming instructions including at least one configuration module, and also a detector signal acquisition unit (4) and a controlling unit (5).

Abstract: A trigger unit (1) for triggering an extinguishing-agent flow in the direction of a fire zone, connected to an energy supply, having a first actuating device (3) that can be switched between a release position in which the energy supply is released, and an interruption position in which the energy supply is interrupted, a second actuating device (5) that can be switched between a release position in which the extinguishing-agent flow is released, and a rest position, a coupling unit (7) that can be moved between an operating position and an extinguishing position and permanently couples together the switching of the first actuating device (3) and the second actuating device (5). A tensioning element is connected in a force-transmitting manner to the coupling unit (7) in such a manner that a change in the tensioning state of the tensioning element always results in a movement of the coupling unit (7).

Abstract: A method for extinguishing objects or appliances, in which, once a fire signal has been detected at point in time t1, a first device (17) providing an extinguishing agent is triggered, for discharging a liquid synthetic extinguishing agent (14), via a separating device (8), a common conveying pipe (9) and at least one nozzle (10), and, once a second fire signal has been detected at point in time t2, a second device (18) providing an extinguishing agent is triggered for discharging water (3) or a water-based extinguishing agent via the separating device (8), the common conveying pipe (9) and the at least one nozzle (10) for extinguishing. A system is also provided for extinguishing objects or appliances.

Abstract: A system for extinguishing and/or inerting, including an extinguishing-agent tank, a conveyor device for an extinguishing agent, a pipeline, and nozzles. A synthetic liquid extinguishing agent (12) is stored at low pressure of up to 3 bar relative to 21° C. in the extinguishing-agent tank (1) and at least one incidence sensor detects fire signals and reports them to a fire detection panel and/or control panel (9) which activates the conveyor device (4) that conveys the synthetic liquid extinguishing agent by means of a pipeline (5) to nozzles (6), and the liquid extinguishing agents transitions into the gas phase after leaving the nozzles (6). The system represents a more cost-effective system that requires less technical efforts in comparison to previous systems having synthetic liquid extinguishing agents.

Abstract: A detector (3) is provided that is independent of outside energy, for a release device, for which detector no battery and no external power supply is provided, and that generates a signal at a defined temperature, a thermal release element (3.2), at least one piezo element (3.1) and a coupling element (11) being arranged such in a bracket/housing (3.3) that as a result of a change in state of the thermal release element (3.2) by the coupling element (11) exerts a mechanical pressure on the piezo element (3.1) so that an electric signal is generated. A valve for a release device is also provided.

Abstract: A method for coating a pipe (1) in the interior thereof, wherein the method has at least the following method steps: (i.) providing an immersion basin (2) which is filled with a coating liquid (3); (ii.) first immersion of the pipe (1) to be coated into the coating liquid (3); (iii.) first removal of the pipe (1) to be coated from the coating liquid (3) ensuring an angle (?) between the central axis (M) and the surface of the coating liquid (3) with 1°<(?)<30°; (iv.) second immersion of the pipe (1) to be coated into the coating liquid (3); (v.) second removal of the pipe (1) to be coated from the coating liquid (3) ensuring an angle (?) between the central axis (M) and the surface of the coating liquid (3) where ?30°<(?)<?1°.

Abstract: A preaction dry pipe alarm valve (1) is provided for a sprinkler pipework (24) and sprinklers with a fire detection and extinguishing control panel (26). A water supply (38 and an air feed (37) are selectively in communication with the sprinkler pipework. A pilot control chamber (19) of the preaction dry pipe alarm valve (1) is depressurized in case of a fault message from the fire detection and extinguishing control panel (26). When the pilot control chamber (19) is depressurized and, in the case of a decreasing pressure in the sprinkler pipework (24), a quick opener (40) opens the valve head (2) of the preaction dry pipe alarm valve (1), so that extinguishing water can flow into the dry pipework (24). The system allows very short flooding times for the sprinkler pipework with no additional rapid vents installed in the pipework.