EP2119479B1 - Dispositif coupe-feu - Google Patents

Dispositif coupe-feu Download PDF

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Publication number
EP2119479B1
EP2119479B1 EP09003193.1A EP09003193A EP2119479B1 EP 2119479 B1 EP2119479 B1 EP 2119479B1 EP 09003193 A EP09003193 A EP 09003193A EP 2119479 B1 EP2119479 B1 EP 2119479B1
Authority
EP
European Patent Office
Prior art keywords
housing
smoke
temperature sensor
sensor
housing section
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.)
Not-in-force
Application number
EP09003193.1A
Other languages
German (de)
English (en)
Other versions
EP2119479A1 (fr
EP2119479B2 (fr
Inventor
Eidmann Jürgen
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.)
Strulik GmbH
Original Assignee
Eidmann Juergen
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40943689&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2119479(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eidmann Juergen filed Critical Eidmann Juergen
Priority to CN2009101381279A priority Critical patent/CN101579559B/zh
Publication of EP2119479A1 publication Critical patent/EP2119479A1/fr
Publication of EP2119479B1 publication Critical patent/EP2119479B1/fr
Application granted granted Critical
Publication of EP2119479B2 publication Critical patent/EP2119479B2/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/24—Operating or controlling mechanisms
    • A62C2/246—Operating or controlling mechanisms having non-mechanical actuators
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/24—Operating or controlling mechanisms
    • A62C2/246—Operating or controlling mechanisms having non-mechanical actuators
    • A62C2/247—Operating or controlling mechanisms having non-mechanical actuators electric

Definitions

  • the invention relates to a Feuerschutzabsperrvorraum, in particular for ventilation ducts, with a shut-off, arranged inside the shut-off valve, a working on the shut-off valve and a detection device with at least one temperature sensor which generates a trigger signal for the damper drive, so that the butterfly valve with the closing device a release position in a shut-off position can be transferred.
  • Such Feuertikabsperrvorectomy is referred to in practice as a fire damper.
  • the arranged therein butterfly valve is rotatably mounted in the flap housing, pivotally and / or displaceable, wherein the z.
  • the closing device which may be designed as a flap drive, it is in particular an electric motor drive, for. B. a spring return motor, which is supplied with a suitable voltage and brings the butterfly valve with simultaneous tensioning of the return spring in the open position.
  • a spring return motor which is supplied with a suitable voltage and brings the butterfly valve with simultaneous tensioning of the return spring in the open position.
  • the power supply of the spring return motor is interrupted so that the shut-off device is transferred by means of the spring energy in the closed position or shut-off.
  • the fire protection device thus ensures that in case of fire, the butterfly valve is automatically closed, so that a passage of air or other gases and / or a passage of fire and smoke is prevented.
  • the closing device or the valve drive z. B. connected via at least one lever or linkage to the butterfly valve.
  • smoke detection devices for fire protection systems which have at least one optical smoke detector.
  • the smoke detector is integrated in the housing, which is usually placed on the outside of an air duct. In the air duct only protrudes a smoke pipe, which directs the smoke from the air duct in the event of fire in the area of the smoke detector.
  • the US 5,728,001 describes a Feuerschutzabsperrvorraum with a butterfly valve, wherein a temperature sensor protrudes into an air duct.
  • the invention has for its object to provide a Feuerschutzabsperrvorraum for a ventilation duct or ventilation ducts of the type described above, which is characterized by a high degree of security and reliability in a simple and compact structure.
  • the invention teaches in a generic Feuerschutzabsperrvorraum, especially for ventilation ducts, of the type described above, that the detection device is designed as a combined temperature and smoke detection device, in which both a temperature sensor and a smoke sensor is integrated.
  • the detection device preferably has a housing projecting into the housing or housing interior detector housing, in which both the temperature sensor and the smoke sensor are arranged.
  • the invention is based on the recognition that the reliability and safety of a fire protection shut-off device can be significantly improved if the shut-off function is triggered not only via a protruding into the housing interior temperature sensor, but if a smoke detector is integrated in addition to the detection device. Because while the temperature sensor only at sufficiently high temperatures of z. B. responds more than 70 ° C or 72 ° C, the smoke detector triggers the shut-off in case of fire, even if relatively low temperatures are present in the ventilation duct or the fire damper, but smoke penetrates into the ventilation duct. In the context of the invention, therefore, either exceeding the limit temperature within the ventilation duct, so that the temperature sensor triggers or the detection of smoke, so that the smoke detector responds.
  • a uniform detection device with a uniform detector housing which protrudes into the shut-off housing and in which both the temperature sensor and the smoke detector are arranged.
  • the detector housing arranged within the shut-off housing has a first opening, through which or out of which the temperature sensor protrudes.
  • the temperature sensor is arranged "protected" within the shut-off housing. Because the detector housing can in the range of the temperature sensor, for. B. in the region of the opening, through which protrudes the temperature sensor, a region surrounding the temperature sensor and partially open protective housing.
  • Such a protective housing can, for. B. be designed as a protective cage or the like. In this way, it is ensured that the temperature is reliably determined within the shut-off housing or the fire damper, but at the same time the temperature sensor is protected against mechanical stresses that may occur during assembly but also in the course of transport or storage of the detector ,
  • the detector housing can be used as a tubular, z. B. cylindrical housing may be formed.
  • the temperature sensor it is expedient for the temperature sensor to protrude from the detector housing (into the ventilation channel) through a front-side first opening.
  • the detector housing has a second opening as a smoke inlet opening, so that the smoke can reach the interior of the detector housing, in which the smoke detector is arranged.
  • This smoke inlet opening is formed by a grid-like or a perforated housing section.
  • this smoke inlet opening is positioned circumferentially.
  • the detector housing is not formed as a unitary tubular or cylindrical housing with over the entire length substantially constant diameter, but the detector housing has in such an alternative embodiment, a first tubular housing portion, which z. B. receives an evaluation and a subsequent to the first housing section second housing portion which receives the smoke sensor.
  • the second housing section is preferably adapted in its shape to the outer contour of the smoke sensor. In this way, commercial smoke sensors can be easily integrated to save space.
  • the second housing section is formed substantially cylindrically, wherein the (longitudinal) axis of this second cylindrical housing section is approximately orthogonal to the (longitudinal) axis of the cylindrical first housing section.
  • the height of the cylindrical second housing section then preferably corresponds approximately to the diameter of the first cylindrical housing section. In this way, a total detector housing is created, which is compact and at the same time takes up the necessary components to save space.
  • one or more smoke inlet openings may be arranged in the peripheral region or in the cylinder jacket region of the second cylindrical housing section.
  • the end faces of this cylindrical second housing portion are preferably formed closed.
  • the closing mechanism or flap drive is preferably designed in a manner known per se as an electromotive drive and / or as a spring drive. This may particularly preferably be a spring return motor.
  • the drive is preferably provided with a control device or connected to a control device. As soon as the detection device generates a trigger signal, the drive is controlled via the control device in such a way that the shut-off flap is transferred to the shut-off position.
  • an electromotive spring return motor brings this with appropriate power supply the shut-off device in the open position, with simultaneous tensioning arranged within the spring return motor return spring.
  • the shut-off device is moved by means of the spring energy in the closed position.
  • This "closed-circuit principle" also ensures that the butterfly valve is triggered even in the event of a short circuit or a power cut.
  • the detection device with an evaluation z. B. an evaluation is provided. Both the temperature sensor and the smoke sensor are connected to this transmitter.
  • the transmitter is in turn connected to the electric motor drive or to the control device for the electric motor drive, ie, the evaluation unit generates the trigger signal.
  • the evaluation generates a trigger signal for the damper drive or the control device when the temperature sensor generates a temperature signal and / or the smoke sensor generates a smoke signal.
  • the evaluation of these two signals is therefore preferably within the transmitter, which then generates a "uniform" trigger signal for the damper drive or the control device in terms of an "OR link” both when triggering only the temperature sensor and when triggering only the smoke sensor.
  • the evaluation electronics or evaluation unit can preferably be integrated into the detector housing. But it is also possible to provide the transmitter outside of the detector housing in a separate housing, which then z. B. is arranged outside the shut-off housing.
  • evaluation electronics on the one hand and control device for the motor on the other hand can also be combined, i. H. the evaluation can be integrated into the control device or vice versa.
  • the smoke sensor is preferably formed in a conventional manner as an optical sensor.
  • recourse can be had to known sensors operating on the optical principle by means of one or more diodes or diode detectors.
  • a Feuerschutzabsperrvorraum is shown for ventilation ducts or for a ventilation duct.
  • This Feuerschutzabspenvorectomy which is also referred to in practice as a fire damper, has in its basic structure a shut-off housing 1 and arranged in the shut-off housing 1 shut-off valve 2.
  • the shut-off housing 1 is formed in the embodiment as a cylindrical pipe socket, which is connectable to a tubular ventilation duct or is arranged between two ventilation channels.
  • the butterfly valve 2 is rotatably mounted within the shut-off housing 1.
  • a closing mechanism is provided in the embodiment as a damper drive 3, which operates via a linkage or a lever arrangement or a lever mechanism 4 on the butterfly valve.
  • the damper drive 3 is formed in the embodiment as an electric motor drive in the embodiment as a spring return motor.
  • This drive 3 is equipped with a control device 5 and, moreover, connected to a suitable power supply 6.
  • This power supply brings the spring return motor, the butterfly valve 2 in the Fig. 1 illustrated open position in which the passage through the housing interior is released. In the course of opening the flap 2, the return spring of the spring return motor 3 is stretched at the same time.
  • the power supply, z. B. interrupted by tripping in the event of fire, the return spring integrated in the spring return motor 3 closes the butterfly valve 2 and thus brings them into the shut-off position, not shown.
  • a projecting into the shut-off housing 1 detection device 7 is provided, which is connected to the damper drive 3 and its control device 5 and generates a trigger signal in case of alarm, so that the butterfly valve 2 is transferred with the damper drive 3 from the release position to the shut-off position, in which the passage through the housing 1 and consequently also closed by the ventilation ducts connected thereto.
  • the detection device 7 is now designed as a combined temperature and smoke detection device.
  • a temperature sensor 8 and a smoke sensor 9 are integrated in this detection device 7.
  • the detection device 7 has a z. B. tubular or cylindrical detection housing 10, which as it forms a combined smoke and temperature sensor, which projects into the interior of the shut-off housing 1.
  • first embodiment of this detection device 7 results, for example, from a comparative analysis of Fig. 2 . 3 and 4 , It is fastened via an end-side mounting flange 11 in a mounting opening 12 of the shut-off housing 1.
  • the detector housing 10 has an end opening 13 through which the temperature sensor 8 protrudes slightly. In this way it is ensured that, for example, a commercially available thermal sensor is arranged as a temperature sensor directly inside the shut-off housing, so that a reliable temperature detection succeeds.
  • the detector housing points 10 a smoke inlet opening 14.
  • the smoke inlet opening 14 is formed by a grid-like or a perforated housing section or is covered with such a grid-like or perforated housing section. In the exemplary embodiment, this smoke inlet opening 14 is arranged circumferentially. In Fig. 4 It can be seen that the smoke sensor itself is arranged directly under the smoke inlet opening 14 or the perforated housing area, in the vicinity of the housing end.
  • the Fig. 5 to 7 show a modified, preferred embodiment of a detection device according to the invention 7.
  • This embodiment differs from the embodiment according to Fig. 1 to 4 Among other things, by the shape of the detector housing 10.
  • the detector housing 10 has a first tubular or cylindrical housing portion 10a and has a subsequent to the first housing portion 10a second housing portion 10b.
  • This second housing section 10b receives the smoke sensor 9.
  • the second housing section 10b is adapted in its shape to the outer contour of the smoke sensor 9.
  • this second housing portion 10b is also cylindrical or substantially cylindrical, wherein the axis 16b of this second cylindrical housing portion 10b is arranged approximately orthogonal to the axis 16a of the first cylindrical housing portion 10a.
  • the height h of the second cylindrical housing portion 10b corresponds approximately to the diameter d of the first cylindrical housing portion 10a. This means that the height h (as shown) may also differ (slightly) from the thickness d, z. B. may be slightly larger, z. B. by up to 20%, preferably only up to 15%.
  • the smoke inlet openings 14 are arranged in the peripheral region or cylinder jacket region of the second housing section 10b. There are two smoke inlet openings 14 are provided. The end surfaces 17 of this second cylindrical housing portion 10b are closed. Furthermore, it can be seen that in the embodiment according to Fig.
  • the temperature sensor 8 does not protrude freely out of the detector housing 10, but that the detector housing 10 in the region of the temperature sensor 8 and consequently also in the region of the opening 13 has a protective housing 13a partially surrounding the temperature sensor and partially open.
  • This protective housing is formed in the embodiment as a protective cage 13a. It becomes clear that in this way a perfect temperature detection is possible, but that the temperature sensor 8 is protected against mechanical damage.
  • the temperature sensor 8 is in the region of the opening 13 at a z. B. attached in the opening arranged holding web. It will be appreciated that in this preferred embodiment, the temperature sensor 8 is not passed or past the smoke sensor, but is (fully) positioned in the region of the end guard cage 13a. It is then only necessary to pass the wiring for the temperature sensor 8 to the smoke sensor 9.
  • the holding ridge on which the temperature sensor is attached to the foot is (approximately) on the circumference of the second cylindrical housing portion 10b and thus outside the periphery of the smoke sensor 9.
  • a temperature sensor in a small design of the protective cage 13a is particularly useful.
  • Temperature sensor 8 on the one hand and smoke sensor 9 on the other hand are connected via guided inside the detector housing 10 connecting cable with a common evaluation or evaluation electronics 15, which in the Embodiment after Fig. 2 to 4 is arranged outside the shut-off housing 1.
  • This evaluation 15 is - as in Fig. 1 indicated - connected to the damper actuator 3 and its control device 5.
  • the transmitter 15 is designed so that a trigger signal is generated when the temperature sensor 8 or the smoke sensor 9 responds.
  • the sensor signals are consequently evaluated in the sense of a logical OR operation.
  • a logical AND connection would also be possible.
  • the logical OR operation is characterized by an increased level of trip safety, since the butterfly valve 2 is closed, for example, even when the temperatures are low and yet smoke is detected.
  • Sensitivity of the smoke sensor 9 and / or the temperature sensor 8 are adjustable.
  • the evaluation unit 15 is arranged within the detector housing 10. This is exemplary in the Fig. 5 to 7 shown.
  • the evaluation unit 15 is arranged in the first cylindrical housing portion 10a.
  • the two sensors 8, 9 are connected to the evaluation unit 15, so that the evaluation unit 15 can then generate a "uniform" trigger signal for the damper drive or the control device 5.
  • the detection device according to the invention can thus cooperate with a conventional damper drive and also a conventional control device, since it is irrelevant to the control device, whether a triggering occurs due to the temperature signal or the smoke signal.
  • the power supply of the sensors 8, 9 can also be effected.
  • an alarm signal optically and / or acoustically in addition to the automatic triggering and consequently the automatic closing of the shut-off device.
  • optical display elements for.
  • light emitting diodes may be provided, which may also be connected to the control electronics or integrated into these. These LEDs are not shown.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)

Claims (13)

  1. Dispositif de sectionnement coupe-feu pour des canaux de ventilation, avec au moins
    un boîtier de sectionnement (1) lequel est raccordé sur un canal de ventilation ou monté entre des canaux de ventilation,
    un volet de sectionnement (2) placé à l'intérieur du boîtier de sectionnement (1),
    un dispositif de fermeture (3) agissant sur le volet de sectionnement (2), ainsi
    qu'un dispositif détecteur (7) avec au moins un capteur de température (8), lequel génère un signal de déclenchement pour le dispositif de fermeture (3), de sorte que
    le volet de sectionnement (2) puisse être passé, avec le dispositif de fermeture (3) d'une position de libération dans une position de sectionnement, caractérisé
    - en ce que le dispositif détecteur (7) est conçu en tant que dispositif mixte détecteur de température et de fumée, dans lequel est intégré aussi bien au moins un capteur de température (8) qu'aussi également au moins un capteur de fumée (9),
    - en ce que le dispositif détecteur (7) comporte un boîtier de détecteur (10) uniforme, saillant dans le boîtier de sectionnement (1), dans lequel sont placés aussi bien le capteur de température (8) qu'également le capteur de fumée (9),
    - en ce que le boîtier de détecteur (10) comporte un orifice (13) hors duquel le capteur de température (8) saillit d'une dimension prédéfinie et
    - en ce que le boîtier de détecteur (10) comporte au moins un orifice d'entrée (14) pour la fumée, lequel est formé ou recouvert par une partie de boîtier grillagée ou perforée.
  2. Dispositif selon la revendication 1, caractérisé en ce que dans la zone du capteur de température(8), par ex. dans la zone de l'orifice (13), le boîtier de détecteur (10) comporte un boîtier protecteur, par exemple une cage protectrice (13a) entourant au moins par endroits le capteur de température et ouvert au moins par endroits.
  3. Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que le boîtier de détecteur (10) est conçu en tant que boîtier de forme tubulaire, par ex. avec une section transversale ronde ou rectangulaire.
  4. Dispositif selon la revendication 3, caractérisé en ce que l'orifice (13) pour le capteur de température (8) est placé sur la face frontale ou sur la face d'extrémité dans le boîtier de détecteur (10).
  5. Dispositif selon la revendication 3 ou la revendication 4, caractérisé en ce que l'orifice d'entrée (14) pour la fumée est placé sur le côté périphérique dans le boîtier de détecteur (10).
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le boîtier de détecteur (10) comporte une première partie de boîtier (10a) de forme tubulaire, par exemple de forme cylindrique, laquelle reçoit par ex. un système électronique d'évaluation (15) et une deuxième partie de boîtier (10b) se raccordant sur la première partie de boîtier (10a), laquelle reçoit le capteur de fumée (9), la deuxième partie de boîtier (10b) étant adaptée par sa forme au contour extérieur du capteur de fumée (9).
  7. Dispositif selon la revendication 6, caractérisé en ce que la deuxième partie de boîtier (10b) est conçue de forme sensiblement cylindrique, l'axe (16b) de ladite deuxième partie de boîtier (10b) étant placé de manière approximativement orthogonale par rapport à l'axe (16a) de la première partie de boîtier (10a).
  8. Dispositif selon la revendication 6 ou la revendication 7, caractérisé en ce que la hauteur (h) de la deuxième partie de boîtier (10b) cylindrique correspond approximativement au diamètre (d) de la première partie de boîtier (10a) cylindrique.
  9. Dispositif selon l'une quelconque des revendications 6 à 8, caractérisé en ce qu'un ou plusieurs orifices d'entrée pour la fumée sont placés dans la zone périphérique ou dans la zone de l'enveloppe cylindrique de la deuxième partie de boîtier (10b).
  10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le dispositif de fermeture est conçu en tant qu'entraînement de volet (3), par ex. en tant qu'entraînement électro-motorisé et/ou en tant qu'entraînement par ressort, de préférence en tant que moteur de rappel à ressort.
  11. Dispositif selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le dispositif détecteur (7) est équipé d'une unité d'évaluation ou d'un système électronique d'évaluation (15), laquelle (lequel) est relié(e) aussi bien avec le capteur de température (8) qu'également avec le capteur de fumée (9).
  12. Dispositif selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'entraînement de volet (3) est équipé d'un dispositif de commande (5) ou relié avec un tel dispositif.
  13. Dispositif selon la revendication 11, en association avec la revendication 10 ou la revendication 12, caractérisé en ce que le système électronique d'évaluation (15) génère un signal de déclenchement pour l'entraînement de volet (3) ou pour le dispositif de commande (5), lorsque le capteur de température (8) génère un signal de température et/ou le capteur de fumée (9) génère un signal de fumée.
EP09003193.1A 2008-05-17 2009-03-05 Dispositif coupe-feu Not-in-force EP2119479B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101381279A CN101579559B (zh) 2008-05-17 2009-05-05 防火阻隔装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008024085.0A DE102008024085B4 (de) 2008-05-17 2008-05-17 Feuerschutzabsperrvorrichtung

Publications (3)

Publication Number Publication Date
EP2119479A1 EP2119479A1 (fr) 2009-11-18
EP2119479B1 true EP2119479B1 (fr) 2017-01-04
EP2119479B2 EP2119479B2 (fr) 2020-02-12

Family

ID=40943689

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09003193.1A Not-in-force EP2119479B2 (fr) 2008-05-17 2009-03-05 Dispositif coupe-feu

Country Status (3)

Country Link
EP (1) EP2119479B2 (fr)
CN (1) CN101579559B (fr)
DE (1) DE102008024085B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11118688B2 (en) 2019-06-05 2021-09-14 Caterpillar Inc. Throttle with integrated fluid shutoff trigger mechanism

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2473424A (en) * 2009-08-27 2011-03-16 Thomas Welsh A smoke extraction system
DE202017103273U1 (de) 2017-05-31 2017-06-28 Strulik Gmbh Feuerschutzabsperrvorrichtung

Citations (6)

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Publication number Priority date Publication date Assignee Title
US4540980A (en) 1982-08-16 1985-09-10 Daniel Porco Portable security alarm
US4977818A (en) 1988-07-22 1990-12-18 Taylor Harry L Air flow control system
US5123875A (en) 1991-04-12 1992-06-23 Eubank Manufacturing Enterprises, Inc. Power actuated roof vent apparatus and method of use
US5728001A (en) 1993-12-29 1998-03-17 Johnson Controls, Inc. Remotely trippable and resettable damper
DE20007891U1 (de) 2000-05-02 2000-07-20 Trox Gmbh Geb Vorrichtung zur Raucherkennung
JP2002251680A (ja) 2001-02-23 2002-09-06 Matsushita Electric Works Ltd 火災感知器

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Publication number Priority date Publication date Assignee Title
US4928583A (en) * 1988-07-22 1990-05-29 Taylor Harry L Air flow control system
JP3189006B2 (ja) † 1996-07-25 2001-07-16 松下電工株式会社 熱煙複合感知器
CN2319868Y (zh) * 1997-09-30 1999-05-19 南京消防(集团)公司 智能点型光电感烟感温复合火灾探测器
CA2291203A1 (fr) * 1998-12-04 2000-06-04 George A. Schoenfelder Detecteur aspirateur dote d'un capteur d'ecoulement
US6224481B1 (en) * 1999-08-23 2001-05-01 Mccabe Francis J. Power modulating lead screw actuated butterfly blade action damper
DE20007841U1 (de) † 2000-04-29 2000-09-21 Kompressorenbau Bannewitz Gmbh Gleitdichtungen und Gleitlager für Turbinen und andere Maschinen mit extrem hoher Drehzahl

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540980A (en) 1982-08-16 1985-09-10 Daniel Porco Portable security alarm
US4977818A (en) 1988-07-22 1990-12-18 Taylor Harry L Air flow control system
US5123875A (en) 1991-04-12 1992-06-23 Eubank Manufacturing Enterprises, Inc. Power actuated roof vent apparatus and method of use
US5728001A (en) 1993-12-29 1998-03-17 Johnson Controls, Inc. Remotely trippable and resettable damper
DE20007891U1 (de) 2000-05-02 2000-07-20 Trox Gmbh Geb Vorrichtung zur Raucherkennung
JP2002251680A (ja) 2001-02-23 2002-09-06 Matsushita Electric Works Ltd 火災感知器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11118688B2 (en) 2019-06-05 2021-09-14 Caterpillar Inc. Throttle with integrated fluid shutoff trigger mechanism

Also Published As

Publication number Publication date
EP2119479A1 (fr) 2009-11-18
CN101579559A (zh) 2009-11-18
CN101579559B (zh) 2013-07-17
DE102008024085B4 (de) 2016-03-17
DE102008024085A1 (de) 2009-11-26
EP2119479B2 (fr) 2020-02-12

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