EP3078918B2 - Hybrid-rauchschutz-differenzdruckanlage und verfahren zur aufrechterhaltung eines überdrucks - Google Patents

Hybrid-rauchschutz-differenzdruckanlage und verfahren zur aufrechterhaltung eines überdrucks Download PDF

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Publication number
EP3078918B2
EP3078918B2 EP15162854.2A EP15162854A EP3078918B2 EP 3078918 B2 EP3078918 B2 EP 3078918B2 EP 15162854 A EP15162854 A EP 15162854A EP 3078918 B2 EP3078918 B2 EP 3078918B2
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EP
European Patent Office
Prior art keywords
region
fire
supply air
area
differential pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15162854.2A
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German (de)
English (en)
French (fr)
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EP3078918A1 (de
EP3078918B1 (de
Inventor
Thomas Kolb
Gunther MÜLLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gesellschaft fur Sicherheits- und Brandschutz-
Helios Ventilatoren & Co KG GmbH
Original Assignee
Gesellschaft fur Sicherheits- und Brandschutz-
Helios Ventilatoren & Co KG GmbH
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Application filed by Gesellschaft fur Sicherheits- und Brandschutz-, Helios Ventilatoren & Co KG GmbH filed Critical Gesellschaft fur Sicherheits- und Brandschutz-
Priority to ES15162854T priority Critical patent/ES2833379T5/es
Priority to EP15162854.2A priority patent/EP3078918B2/de
Priority to DE102016106429.7A priority patent/DE102016106429A1/de
Publication of EP3078918A1 publication Critical patent/EP3078918A1/de
Application granted granted Critical
Publication of EP3078918B1 publication Critical patent/EP3078918B1/de
Publication of EP3078918B2 publication Critical patent/EP3078918B2/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
    • F24F2011/0004—Control or safety arrangements for ventilation for admittance of outside air to create overpressure in a room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/40—Pressure, e.g. wind pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/50—HVAC for high buildings, e.g. thermal or pressure differences

Definitions

  • the invention relates to a hybrid smoke protection differential pressure system for keeping a protected area in a building smoke-free, and a method for maintaining a predetermined overpressure in a protected area according to the preamble of patent claim 1 or patent claim 15.
  • Smoke protection differential pressure systems are used to keep areas to be protected free of smoke in the event of a fire. These are often escape routes such as stairwells or escape tunnels that are connected to potential fire areas by doors. Keeping smoke free is an important prerequisite for ensuring safe evacuation of people from the fire area and access to the fire area for the fire brigade to fight the fire.
  • the overpressure in the protection area must be limited in such a way that self-rescue from the fire area remains possible.
  • the door opening force increases with increasing overpressure in the protected area, so that if the overpressure in the protected area is too high, it is no longer possible for everyone to open the door and escape.
  • a minimum flow speed must be built up through the door opening in order to ensure that the protection area is kept smoke-free even when the door is open.
  • the system must react to changing operating conditions such as open or closed doors in a maximum of three seconds, which means that the fire protection system must have a short reaction time.
  • smoke protection systems are known whose control principles can essentially be divided into controlled systems with and without (electrical) auxiliary energy.
  • Controlled systems with auxiliary energy have sensors in the protected area, which usually record the pressure in the protected area.
  • a fan which supplies the protection area with a supply air volume flow and generates the overpressure, is controlled in such a way that the required volume flow is set in the protection area.
  • These systems allow the implementation of smoke protection systems with different volume flows, which can react to changing conditions in the protected area.
  • An example of such a facility is in EP 1 785 201 A1 described. Under certain circumstances, the control time according to EN 120101 cannot be guaranteed.
  • a constant supply air volume flow is generated in the protected area by a supply air fan.
  • the pressure is regulated here via a mechanical pressure control valve. This opens at a preset overpressure and thus creates a flow path from the protected area to the outside in order to counteract the excessive overpressure in the protected area. If the pressure drops, for example due to an opening door in the protected area, the pressure control flap closes again.
  • These systems have short response times and are not susceptible to faults due to passive control. However, it is not possible to react to any operating conditions with a regulated system without auxiliary energy, since the supply air volume flow cannot be regulated directly.
  • the EP 2 505 735 A1 describes a smoke protection pressure system for a building with an escape room whose supply air volume flow can be controlled depending on the outside temperature.
  • the DE 201 13 242 U1 describes a safety stairwell for a high-rise building with overpressure ventilation, which is also controlled based on the outside temperature.
  • the known systems are either not able to reliably maintain the pressure conditions mentioned at the outset, or are too sluggish in the regulation.
  • the invention is therefore based on the object of providing a smoke protection differential pressure system and a method for controlling the same, which satisfies the legal regulations with regard to the pressure differences and the reaction time and is highly efficient.
  • the object is achieved by a hybrid smoke protection differential pressure system according to claim 1 and a method for controlling the same according to claim 15.
  • the main advantage of the hybrid smoke protection differential pressure system is that a system of supply air frequency converter and supply air fan controlled with auxiliary energy is combined with a system controlled without auxiliary energy in the form of the pressure control damper, thus combining the advantages of both control systems in a hybrid system to unite.
  • the supply air volume flow can be increased through the interaction of the supply air frequency converter and supply air fan in order to achieve a minimum pressure difference between the protected area and the fire area to maintain.
  • the pressure control flap opens at a preset overpressure and thus counteracts pressure peaks caused by closing doors quickly and reliably.
  • the protected area measuring device preferably includes a pressure sensor which detects the pressure in the protected area. This makes it possible to detect a pressure drop in the protected area and adjust the supply air volume flow accordingly to maintain the minimum pressure difference.
  • the protection area measuring device prefferably includes one or more door contacts that detect the opening of doors, in particular external doors. This enables reliable control of the supply air volume flow, taking into account leakages, in particular from external doors that open, which represent a large additional leakage in the protected area.
  • the supply air volume flow is blown into the protected area via a number of blowing-in points. This leads to a more even supply of the supply air volume flow in the protected area and thus to a smaller pressure drop in the protected area.
  • an outflow device via which a flow connection to the outside area can be established at least in the event of a fire, so that the supply air volume flow generated by the supply air fan can flow out of the building through the outflow device.
  • the outflow device can include a window which is arranged in the fire area towards the outside area and is opened automatically at least in the event of a fire in order to create a flow connection with the outside area.
  • the outflow device can include a smoke extraction flap, which is arranged between the fire area and an exhaust air area and is opened automatically at least in the event of a fire in order to create a flow connection between the fire area and the exhaust air area.
  • the exhaust air area is in flow connection with the outside area and thus allows smoke to escape from the fire area to the outside. If there is no direct connection between the fire area and the building shell to the outside, the necessary connection to the outside area can be implemented with this outflow device.
  • the exhaust air area can in particular include an exhaust air duct, which is often structurally provided and is easy to implement.
  • An exhaust air fan can also be provided in the exhaust air area. This exhaust air fan has the task of reducing the pressure losses of the outflowing air in the outflow shaft. As a result, a door flow rate can be established.
  • the hybrid smoke protection differential pressure system preferably also includes an exhaust air frequency converter, which interacts with the exhaust air fan in such a way that the exhaust air volume flow generated by the exhaust air fan can be adjusted, and a fire area measuring device in the fire area for determining the operating conditions of the smoke protection differential pressure system in the fire area .
  • control device provided for regulating the supply air volume flow is also connected to the exhaust air frequency converter in order to control the exhaust air frequency converter on the basis of the signals from the fire area measuring device in such a way that, at least in the event of a fire, there is a pressure difference between the protected area and the fire area inside the specified limits are reached.
  • a control flap is also provided in the exhaust air area, which is arranged between the exhaust air area and the outside area and opens when a preset maximum negative pressure is exceeded in the exhaust air area in order to allow excess air to flow into the exhaust air area and thus avoid exceeding the maximum negative pressure.
  • the fire area measuring device includes a pressure sensor that detects the pressure in the fire area.
  • This pressure sensor is from read out from the control unit. Based on the pressure signal measured in this way in the fire area, the control of the exhaust air fan can be adjusted more precisely to the changing operating conditions of the system.
  • the fire area measuring device may include one or more door contacts that detect the opening and closing of doors between the protected area and the fire area.
  • the exhaust fan can be controlled based on this signal. In this way, in the event of a closing door between the protection area and the fire area, pressure peaks on the door can be counteracted and the permissible door opening force can be maintained.
  • the hybrid smoke protection differential pressure system according to the invention can be provided to keep a protected area free of smoke, to which several separate fire areas are connected.
  • the method for maintaining a specified overpressure in a protection area can provide that, in the event of a fire in a fire area adjacent to the protection area, it is ensured by creating a flow connection to an outside area that when a door is opened between the protection area and the fire area, the volume flow from the protection area flows into the fire area for smoke suppression, can flow out via the flow connection to the outside area.
  • the required flow velocities can be generated through open doors to the fire area.
  • Fig. 1 shows a building with a hybrid smoke protection differential pressure system according to the invention in a first embodiment.
  • the building includes a protection area 10, which is shown here as a stairwell, and a fire area 40 connected to the protection area 10 by doors 2.
  • a supply air fan 11 is arranged at the lower end of the protection area on the building and generates a Supply air flow rate in the protected area 10.
  • a supply air frequency converter 12 is connected to the supply air fan 11 and can control the supply air flow rate generated by it.
  • the supply air volume flow generated by the supply air fan 11 may be blown in via a plurality of blowing areas which are fluidically connected to one another takes place on the different floors (not shown in the figures), whereby a more even distribution of the supply air volume flow and thus a reduction in the through-flow pressure loss is achieved.
  • a control device 1 is provided for controlling the supply air frequency converter 12 .
  • the control device 1 is also connected to a pressure sensor 4a, which is arranged at the lower end of the protected area 10 and detects the pressure in the protected area 10 . The pressure detected is recorded by the control device 1 . If the pressure sensor 4a detects a pressure below the preset minimum pressure p min in the protected area 10, the supply air fan 11 is controlled via the supply air frequency converter 12 in such a way that the supply air volume flow is increased.
  • a pressure control flap 14 is arranged at the upper end of the protective area 10 .
  • the pressure control valve 14 opens automatically when a predetermined overpressure is reached, whereby the supply air volume flow supplied by the supply air fan 11 can escape and the pressure in the protected area 10 is kept at the maximum pressure p max specified by the pressure control valve 14 .
  • the pressure control valve 14 closes again automatically.
  • the automatic opening and closing can either be motorized, or the pressure control valve 14 works purely mechanically, for example via a spring-linkage system.
  • the fire floor is always referred to as fire area 40 as an example.
  • all explanations relating to the fire area 40 as an example can also be provided in several fire areas that are not connected to one another, which are designed analogously to the fire area 40 explained as an example in the present embodiments.
  • one or more windows 6 open automatically in the fire area 40 in order to create a flow connection between the fire area 40 and the outside area 30 .
  • a prescribed speed build-up of supply air from the protection area can be achieved and the supply air volume flow applied from protection area 30 can flow out via fire area 40 through window 6 into outside area 30.
  • the control of the supply air volume flow by means of the supply air frequency converter 12 and the pressure control damper 14 ensures that the pressure difference between protection area 10 and fire area 40 is high enough to prevent smoke from entering to prevent the protection area 10, on the other hand does not exceed a maximum value, so that the door opening force required to open the doors 2 is within the permissible limits, for example a maximum of 100N, measured on a door handle 2a of the door 2.
  • Fig. 2 shows a second embodiment of the hybrid smoke protection differential pressure system.
  • the building again has the protection area 10 and the adjoining fire area 40 .
  • an outer door 3 which, when open, represents a significant additional leakage.
  • a door contact 4b detects the opening and closing of the outer door 3 and forwards a corresponding signal to the control device 1.
  • the supply air frequency converter 12 is activated accordingly, so that the supply air volume flow is increased sufficiently.
  • the supply air volume flow is reduced. Pressure peaks, which can occur due to the inertia of the control and which could lead to the permissible door opening forces being exceeded, are prevented by automatically opening the pressure control flap 14 .
  • one or more windows 6 in the fire area 40 automatically open in order, when the doors 2 to the fire area 40 are open, to allow supply air to flow in from the protection area 10 in order to keep the protection area 10 free of smoke and at the same time to let out the air entering the fire area 40 Allow volume flow in the outdoor area 30.
  • Fig. 3 shows the hybrid smoke protection differential pressure system in a third embodiment.
  • the structure of the protective area 10 and the components provided therein to maintain the pressure difference is identical to the first embodiment.
  • the fire area 40 does not have a direct connection to the outside area 30 as in the first embodiment. Instead, the fire area 40 is connected to an exhaust air area 20 via one or more closable smoke extraction flaps 25, which is designed as a vertical shaft in the present illustration. In the event of a fire, the smoke extraction flaps 25 are automatically opened in order to create a flow connection to the exhaust air area 20 via which the supply air volume flow is routed to the outside area 30 .
  • An exhaust air fan 21 is attached to the upper end of the vertical shaft, which generates an exhaust air volume flow from the exhaust air area 20 to the outside area 30 , ie sucks off an exhaust air volume flow from the exhaust air area 20 .
  • this exhaust air fan 21 is connected to an exhaust air frequency converter 22 which can control the exhaust air volume flow generated by the exhaust air fan and is connected to the control unit 1 .
  • In the fire area 40 there is also a pressure sensor 4c which detects the pressure in the fire area 40 and is in operative connection with the control unit 1 .
  • the smoke extraction flaps 25 open and create a flow connection between the fire area 40 and the exhaust air area 20 .
  • the exhaust fan is controlled by the control unit using the exhaust air frequency converter 22 on the basis of the pressure values detected in the protection area 10 and in the fire area 40, and can thus contribute to the faster build-up of a specified volume flow through an open door 2.
  • a control flap 24 is arranged in the exhaust air area 20 for additional security. This counteracts excessive negative pressures in the exhaust air area 20 by automatically opening when the negative pressure in the exhaust air area 20 exceeds a predetermined value and allowing excess air to flow into the exhaust air area 20 . If a door 2 between fire area 40 and protection area 10 closes in the event of a fire, a peak in the pressure difference between protection area 10 and fire area 40 can be prevented by opening control flap 24, which would result in door 2 not being able to be opened.
  • the exhaust air area 20 can therefore create a flow connection to the outside area 30 of fire areas 40 that have no connection to the building shell. It is also possible here that the exhaust air area 20 is designed as a horizontal shaft (not shown in the figure), or that the exhaust air area 20 does not have an exhaust air fan 21 and/or control flap 24 and thus only a natural outflow into the outside area 30 is possible.
  • Fig. 4 shows a fourth embodiment of the hybrid smoke protection differential pressure system according to the invention.
  • the structure of the protective area 10 and the components provided therein to maintain the pressure difference is again identical to the first embodiment.
  • the fire area 40 is again connected via smoke extraction flaps 25 to an exhaust air area 20, the design of which corresponds to that in the third embodiment.
  • door contacts 4d are attached to the doors 2 in the fourth embodiment, which contacts detect opening and closing of the doors 2 and are read out by the control unit 1 .
  • the smoke extraction flaps 25 are opened automatically.
  • the exhaust air volume flow is controlled on the basis of the signals from the door contacts 4d.
  • Fig. 5 shows the signal curves of the actively controlled part of the hybrid smoke protection differential pressure system for controlling the supply air volume flow.
  • Pressure sensors 4a and/or door contacts 4b in the protected area 10 detect a pressure signal and/or door opening signal, which is sent to the control unit 1 and read out by it becomes.
  • Changing operating conditions in the protected area for example due to doors opening or closing, are detected by the sensors 4a or 4b, which are operatively connected to the control unit 1.
  • the control unit 1 determines a control signal, which it forwards to the supply air frequency converter 12, which can adapt the supply air volume flow generated by the supply air fan 11 to the changed operating conditions by changing the speed of the supply air fan 11.
  • control unit 1 is connected to one or more detectors for registering a fire in the fire area 40 (not shown), such as smoke detectors or the like, and, in addition, when a fire is detected, the opening of a window in the fire area 40 via a window thereon provided motor (not shown) caused by transmitting a corresponding control command to the motor to allow smoke to escape to the outside area 30.
  • detectors for registering a fire in the fire area 40 such as smoke detectors or the like
  • Fig. 6 shows the signal curves of the actively controlled parts of the hybrid smoke protection differential pressure system according to the third and fourth embodiment.
  • the system here includes pressure sensors 4c and / or door contacts 4d, which detect a pressure signal and / or door opening signal in the fire area 40. Based on this signal, the control unit 1 can control the exhaust air frequency converter 22 when the operating conditions change, which in turn can adjust the exhaust air volume flow generated by the exhaust air fan 21 by changing the speed of the exhaust air fan 21 to the changed operating conditions.
  • detectors for registering a fire in fire area 40 are connected to control unit 1 and, in the event of a fire, control unit 1 allows smoke extraction flaps 25 to open in fire area 40 via a motor provided thereon (not shown) caused by transmitting a corresponding control command to the engine to allow the flow of smoke into the exhaust air area 20.
  • the additional possibility of controlling the exhaust air fan 21 can ensure, on the one hand, that smoke can reliably flow out of the fire area 40 into the outside area 30 if this area is not directly connected to the building shell.
  • the control of the supply air and exhaust air volume flows can be coordinated with one another, thereby creating a synchronized system with which a more precise and reliable control of the hybrid smoke protection Differential pressure system can be achieved.
  • Fig. 5 and 6 shown are the passive components of the respective forms of the hybrid smoke protection differential pressure system, which in the case of the pressure control valve 14 in the protection area 10 (see Fig. 1-4 ) dem Prevent exceeding a maximum pressure in the protection area 10, and in the case of the control flap 24 in the exhaust air area 20 (see Fig. 3-4 ) Prevent pressure difference peaks between protection area 10 and fire area 40.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Special Wing (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Motor Or Generator Frames (AREA)
EP15162854.2A 2015-04-08 2015-04-08 Hybrid-rauchschutz-differenzdruckanlage und verfahren zur aufrechterhaltung eines überdrucks Active EP3078918B2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES15162854T ES2833379T5 (es) 2015-04-08 2015-04-08 Instalación híbrida de presión diferencial de protección contra el humo y procedimiento para mantener una sobrepresión
EP15162854.2A EP3078918B2 (de) 2015-04-08 2015-04-08 Hybrid-rauchschutz-differenzdruckanlage und verfahren zur aufrechterhaltung eines überdrucks
DE102016106429.7A DE102016106429A1 (de) 2015-04-08 2016-04-08 Hybrid-Rauchschutz-Differenzdruckanlage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15162854.2A EP3078918B2 (de) 2015-04-08 2015-04-08 Hybrid-rauchschutz-differenzdruckanlage und verfahren zur aufrechterhaltung eines überdrucks

Publications (3)

Publication Number Publication Date
EP3078918A1 EP3078918A1 (de) 2016-10-12
EP3078918B1 EP3078918B1 (de) 2020-10-14
EP3078918B2 true EP3078918B2 (de) 2023-09-06

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ID=52997206

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EP15162854.2A Active EP3078918B2 (de) 2015-04-08 2015-04-08 Hybrid-rauchschutz-differenzdruckanlage und verfahren zur aufrechterhaltung eines überdrucks

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EP (1) EP3078918B2 (es)
DE (1) DE102016106429A1 (es)
ES (1) ES2833379T5 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017124623A1 (de) * 2017-10-20 2019-04-25 Defumus Rauchschutz-Technik GmbH Rauchschutzdruckanlage und Verfahren zum Betrieb einer Rauchschutzdruckanlage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20113242U1 (de) * 2001-08-09 2001-10-31 Ostertag Dieter Sicherheitstreppenraum für ein Hochhaus
DE202004016229U1 (de) * 2004-10-19 2005-01-05 Leithner, Hans Joachim Vorrichtung zum Erzeugen eines Luftüberdruckes in einem Flucht-Treppenhaus
DE102005053590B4 (de) * 2005-11-10 2008-11-13 Eidmann, Fritz Jürgen Rauchschutzanlage sowie Verfahren zum Abführen von Rauch aus Brandräumen eines Gebäudes und zur Rauchfreihaltung von Fluchtwegen des Gebäudes
DE102011001261A1 (de) * 2011-03-14 2012-09-20 Jürgen Eidmann Rauchschutzdruckanlage und Verfahren zur Rauchfreihaltung eines Fluchtraumes
DE102011001260B3 (de) 2011-03-14 2012-08-30 Jürgen Eidmann Rauchschutzanlage

Also Published As

Publication number Publication date
ES2833379T3 (es) 2021-06-15
EP3078918A1 (de) 2016-10-12
ES2833379T5 (es) 2024-04-29
DE102016106429A1 (de) 2016-10-13
EP3078918B1 (de) 2020-10-14

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