US3775949A - Safety air supply device - Google Patents

Safety air supply device Download PDF

Info

Publication number
US3775949A
US3775949A US00098389A US3775949DA US3775949A US 3775949 A US3775949 A US 3775949A US 00098389 A US00098389 A US 00098389A US 3775949D A US3775949D A US 3775949DA US 3775949 A US3775949 A US 3775949A
Authority
US
United States
Prior art keywords
air
filter
coarse dust
dust filter
inlet
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.)
Expired - Lifetime
Application number
US00098389A
Other languages
English (en)
Inventor
K Wachter
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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
Priority claimed from DE19691964898 external-priority patent/DE1964898C3/de
Application filed by Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Application granted granted Critical
Publication of US3775949A publication Critical patent/US3775949A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H7/00—Armoured or armed vehicles
    • F41H7/02—Land vehicles with enclosing armour, e.g. tanks
    • F41H7/03—Air-pressurised compartments for crew; Means for preventing admission of noxious substances, e.g. combustion gas from gun barrels, in crew compartments; Sealing arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00—Other air-treating devices
    • B60H3/06—Filtering
    • B60H3/0608—Filter arrangements in the air stream
    • B60H3/0625—Filter arrangements in the air stream with provisions for by-passing the filter element

Definitions

  • a safety air supplying device by means of which a room is supplied with air which is purified from poisonous substances includes an inlet connected to a coarse dust filter which, in tum, is connected to a suspended-matter filter, or gas filter and to an intake fan which discharges into the room.
  • a by-pass line extends from the inlet to the coarse drust filter and to a line which connects into the outlet of the coarse dust filter at the location where it connects into the gas filter. This line is provided with a rapid closure valve. In those cases, in which the quantity of air which must be delivered must be considerably increased rapidly,'this quick closure valve is opened, and, at the same time, the speed of the delivery of the fan can be increased.
  • Safety air devices are known by means of which a room is supplied with air purified from poisonous substances. Such safety air devices are used in particular for vehicles which have a crew room which is to be supplied with clean air.
  • the safety air device consists of acoarsedust filter which retains the coarse particles entrained in the air, a suspendedmatter filter, which serves to retain the fine suspended particles, :1 gas filter in which gaseous components are absorbed from the air and a'fan which draws the air through the installation and forces it into the room to be ventilated.
  • These safety devices are generally lodged inside the rooms to be ventilated. Any occurring leaks in the ventilation system do not disturb thesafety device since the air already filtered is drawn back into the installation.
  • a safety-device for supplying emergency air in which the quantity of air which is delivered may 'be considerably increased for a short period of time.
  • An increase of the quantity of intake air by adjustment of the fan to a higher delivery is generally not sufficient since, with the higher delivery of the fan, there is an increased fiow resistance through the entire system.
  • the gas entrance side and the gas exit side of the course dust filter are connected by an air line having a rapid closure valve.
  • This closure valve may be opened to by-pass the coarse filter and provide a rapid air flow thorugh the system.
  • the quantity of air delivered by the the device is permissible for the brief operating period of the device as the air is purified in the following filter parts.
  • the rapid closure valve advantageously comprises a pivotal damper or an elastic shutter member which can be actuated, for example, electrically.
  • the insertion of a rapid closure valve of this type does not present any disadvantage to the ventilation system since the air bypassing the coarse dust filter is purified by subsequently acting filter elements.
  • an object of the invention to provide an emergency air supply device which includes an inlet connected to a coarse filter which, in turn, connects through one or more other filters and is discharged by an inlet fan into the space of use and wherein means are provided for rapidly increasing the flow through the system by by-passing a quantity of the air around the coarse filter and feeding it through the remaining filter elements.
  • a further object of the invention is to provide a safety air supply device which is simple in design, rugged in consturction, and economical to manufacture.
  • FIGURE of the drawing is a diagrammatic illustration of thesafety air supply device constructed in accordance with the inention.
  • the safety air supplying device is used in connection with a vehicle having a wall 2 with an inlet 1 which is covered by a protective flap 3.
  • the inlet 1 is defined at the end of an inlet flow pipe 4 which leads to a course dust filter 5 and then to a suspended matter filter and gas filter 6.
  • the flow is then from the suspended matter filter and gas filter 6 through a conduit 15 of a fan 7 which discharges through an outlet 9 into the interior of the vehicle. Flow of the air'is as indicated by the arrows 8 to the inlet side 10 of the coarse dust filter 5 and out through the outlet'side 12 to the suspended matter filter and gas filter 6.
  • a by-pass line 11 permits a flow as indicated by the arrows 16 through a by-pass line 11 and through a rapid closure valve 13 and into a passage 19 which joins the flow from the outlet 12 of the coarse dust filter 5.
  • the coarse dust filter 5 is advantageously a cyclone separator.
  • a closure valve 13 comprises in the embodiment illustrated a damper valve which includes a member pivotal about a center shaft.
  • the vaLve 13 comprises a rapid closure valve having an elastic shutter.
  • the rapid closure valve 13 is closed so that the air is drawn through the coarse dust filter 5 and then through the other filter elements 6 and forced into the room through the discharge 9. Air pass ing through due to leakage of the valve 13 is purified in the suspended-matter-and-gas filters generally desigpoisonous substances to a space, for example to the in-.
  • a vehicle comprising an inlet conduit, a coarse dust filter disposed in said inlet conduit for flow of air through said coarse dust filter, a suspended matter and gas filter connected in said inlet conduit downstream of said coarse dust filter for the flow of air from said coarse dust filter to and through said suspended matter and gas filter, an inlet fan connected to said suspended matter and gas filter and adapted to discharge into the space for the supply of filtered air thereto, a by-pass line connected from said inlet conduit upstream of and around said coarse dust filter to said suspended matter and gas filter, and a rapid closure valve in said by-pass line which is opena'ble to permit the flow of air around said coarse dust filter.
  • a safety air device according to claim 1, wherein said rapid closure valve comprises a damper valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Cyclones (AREA)
  • Air-Conditioning For Vehicles (AREA)
US00098389A 1969-12-24 1970-12-15 Safety air supply device Expired - Lifetime US3775949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691964898 DE1964898C3 (de) 1969-12-24 Schutzluftvorrichtung für Fahrzeuge

Publications (1)

Publication Number Publication Date
US3775949A true US3775949A (en) 1973-12-04

Family

ID=5754977

Family Applications (1)

Application Number Title Priority Date Filing Date
US00098389A Expired - Lifetime US3775949A (en) 1969-12-24 1970-12-15 Safety air supply device

Country Status (5)

Country Link
US (1) US3775949A (enrdf_load_stackoverflow)
BE (1) BE760612A (enrdf_load_stackoverflow)
CH (1) CH518816A (enrdf_load_stackoverflow)
FR (1) FR2069486A5 (enrdf_load_stackoverflow)
GB (1) GB1331998A (enrdf_load_stackoverflow)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898065A (en) * 1973-10-09 1975-08-05 Norman Dryer Co Inc Lint collector
US4140502A (en) * 1971-08-24 1979-02-20 Adolf Margraf Filtering separators with dust feedback
US4156599A (en) * 1977-08-24 1979-05-29 Adolf Margraf Filtering separators for cleaning gases
US4198213A (en) * 1978-01-26 1980-04-15 The Garrett Corporation Self adjusting oxygen enrichment system
US4717402A (en) * 1984-10-01 1988-01-05 Control Resource Systems, Inc. Air purification system
US4906257A (en) * 1987-09-25 1990-03-06 Takeda Chemical Industries, Ltd. Method of and apparatus for treating waste gas from semiconductor manufacturing process
US4961763A (en) * 1989-04-19 1990-10-09 Space Biospheres Venture Indoor air purifier
US4985057A (en) * 1989-08-09 1991-01-15 Griffis Steven C Supplied air respirator system
US5564626A (en) * 1995-01-27 1996-10-15 York International Corporation Control system for air quality and temperature conditioning unit with high capacity filter bypass
US20070101688A1 (en) * 2003-01-31 2007-05-10 John Wootton Nbc filtration unit providing unfiltered and filtered air paths
US20090193821A1 (en) * 2005-10-20 2009-08-06 Calsonic Kansei Corporation Pre-riding air conditioning method and air conditioner
RU2518887C1 (ru) * 2013-04-23 2014-06-10 Данил Андреевич Кара Способ отвода пороховых газов из боевого отделения танка
RU2521852C1 (ru) * 2013-04-23 2014-07-10 Данил Андреевич Кара Способ снижения загазованности боевого отделения танка
RU2542678C1 (ru) * 2013-10-15 2015-02-20 Открытое акционерное общество "Конструкторское бюро приборостроения им. академика А.Г. Шипунова" Боевая машина
RU2560229C1 (ru) * 2014-10-01 2015-08-20 Александр Александрович Котровский Способ удаления пороховых газов от орудия объекта бронетанкового вооружения
RU2570468C1 (ru) * 2014-11-17 2015-12-10 Александр Александрович Котровский Способ вентиляции обитаемых отделений боевой машины
RU2581967C1 (ru) * 2015-06-15 2016-04-20 Александр Александрович Котровский Способ повышения интенсивности воздухообмена в обитаемых отделениях боевой машины
RU2665979C1 (ru) * 2017-10-16 2018-09-05 Евгений Дмитриевич Золотых Способ удаления пороховых газов от казённика вооружения боевой машины
RU2680297C1 (ru) * 2017-10-16 2019-02-19 Евгений Дмитриевич Золотых Устройство повышения качества обитаемости обитаемых отделений боевой машины при применении вооружения
WO2020011672A1 (en) * 2018-07-13 2020-01-16 Sally R Ab Module for treating air, method for treating air, and related systems
RU217117U1 (ru) * 2022-06-23 2023-03-17 Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования "Военный Университет Имени Князя Александра Невского" Министерства Обороны Российской Федерации Устройство для отвода пороховых газов из боевого отделения танка

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2551086A1 (de) * 1975-11-14 1977-05-18 Wegmann & Co Einrichtung zur zeitweisen abdichtung des innenraumes von gepanzerten fahrzeugen, insbesondere von kampfpanzern, gegen das eindringen von fluessigen oder gasfoermigen stoffen
US4264344A (en) * 1980-02-06 1981-04-28 General Motors Corporation Diesel engine exhaust particulate trap
FR2508853A1 (fr) * 1981-07-01 1983-01-07 Borg Antoine Creation d'un filtre a air avec systeme de fixation devant une soufflerie d'appel d'air amenant par des conduits l'air filtre dans un habitacle automobile
DE3532463A1 (de) * 1985-09-11 1987-03-19 Sueddeutsche Kuehler Behr Heiz- und/oder klimaanlage fuer kraftfahrzeuge
DE3545664A1 (de) * 1985-12-21 1987-07-02 Knecht Filterwerke Gmbh Belueftungseinrichtung fuer geschlossene raeume
DE3737010A1 (de) * 1987-10-31 1989-05-11 Hoelter Heinz Luftfilterung fuer kraftfahrzeuge mit automatisch oeffnender druckklappe
US5004487A (en) * 1989-04-13 1991-04-02 Thaddeus Kowalczyk Filter assembly for protecting motor vehicle occupants from pollution
DE4015506A1 (de) * 1990-05-15 1991-11-21 Hanns Rump Sicherheitsfiltersystem mit integrierter sensorik zur ermittlung des erschoepfungsgrades
RU2159706C1 (ru) * 2000-05-04 2000-11-27 Кутьев Анатолий Анатольевич Способ регенерации активированного угля и устройство для его реализации
RU2317844C2 (ru) * 2006-03-27 2008-02-27 Открытое акционерное общество "Томский научно-исследовательский и проектный институт нефти и газа Восточной нефтяной компании" ОАО "ТомскНИПИнефть ВНК" Установка для очистки газового потока
RU2521064C1 (ru) * 2013-04-15 2014-06-27 Данил Андреевич Кара Способ удаления пороховых газов из боевого отделения танка при стрельбе из танкового орудия
CN107975842B (zh) * 2017-05-27 2023-08-18 宁波方太厨具有限公司 公用烟道排烟系统和控制方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1840253A (en) * 1929-10-18 1932-01-05 Edwin P Richardson Supercharger for internal combustion engines
US2503568A (en) * 1944-09-25 1950-04-11 Timm Aircraft Corp Vacuum cleaner
US2610565A (en) * 1946-12-14 1952-09-16 William W Stuart Means for controlling air pressure in buildings
US3149940A (en) * 1960-07-25 1964-09-22 Drager Otto H Dust filter in series with parallel rows of gas filters
US3239305A (en) * 1962-06-07 1966-03-08 Potapenko Gennady Aseptic air system
US3304783A (en) * 1964-06-10 1967-02-21 Inland Steel Co Apparatus and method for continuously sampling gas
US3545500A (en) * 1967-12-21 1970-12-08 Sylvania Electric Prod Vacuum system
US3668825A (en) * 1969-08-28 1972-06-13 Nat Dust Collector Corp Method and apparatus for determining the difficulty of removing pollutants by wet scrubbing action

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1840253A (en) * 1929-10-18 1932-01-05 Edwin P Richardson Supercharger for internal combustion engines
US2503568A (en) * 1944-09-25 1950-04-11 Timm Aircraft Corp Vacuum cleaner
US2610565A (en) * 1946-12-14 1952-09-16 William W Stuart Means for controlling air pressure in buildings
US3149940A (en) * 1960-07-25 1964-09-22 Drager Otto H Dust filter in series with parallel rows of gas filters
US3239305A (en) * 1962-06-07 1966-03-08 Potapenko Gennady Aseptic air system
US3304783A (en) * 1964-06-10 1967-02-21 Inland Steel Co Apparatus and method for continuously sampling gas
US3545500A (en) * 1967-12-21 1970-12-08 Sylvania Electric Prod Vacuum system
US3668825A (en) * 1969-08-28 1972-06-13 Nat Dust Collector Corp Method and apparatus for determining the difficulty of removing pollutants by wet scrubbing action

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140502A (en) * 1971-08-24 1979-02-20 Adolf Margraf Filtering separators with dust feedback
US3898065A (en) * 1973-10-09 1975-08-05 Norman Dryer Co Inc Lint collector
US4156599A (en) * 1977-08-24 1979-05-29 Adolf Margraf Filtering separators for cleaning gases
US4198213A (en) * 1978-01-26 1980-04-15 The Garrett Corporation Self adjusting oxygen enrichment system
US4717402A (en) * 1984-10-01 1988-01-05 Control Resource Systems, Inc. Air purification system
US4906257A (en) * 1987-09-25 1990-03-06 Takeda Chemical Industries, Ltd. Method of and apparatus for treating waste gas from semiconductor manufacturing process
US4961763A (en) * 1989-04-19 1990-10-09 Space Biospheres Venture Indoor air purifier
US4985057A (en) * 1989-08-09 1991-01-15 Griffis Steven C Supplied air respirator system
US5564626A (en) * 1995-01-27 1996-10-15 York International Corporation Control system for air quality and temperature conditioning unit with high capacity filter bypass
US5590830A (en) * 1995-01-27 1997-01-07 York International Corporation Control system for air quality and temperature conditioning unit with high capacity filter bypass
US5707005A (en) * 1995-01-27 1998-01-13 York International Corporation Control system for air quality and temperature conditioning unit with high capacity filter bypass
US7326269B2 (en) * 2003-01-31 2008-02-05 Engineered Support Systems, Inc. NBC filtration unit providing unfiltered and filtered air paths
US20070101688A1 (en) * 2003-01-31 2007-05-10 John Wootton Nbc filtration unit providing unfiltered and filtered air paths
US20090193821A1 (en) * 2005-10-20 2009-08-06 Calsonic Kansei Corporation Pre-riding air conditioning method and air conditioner
RU2518887C1 (ru) * 2013-04-23 2014-06-10 Данил Андреевич Кара Способ отвода пороховых газов из боевого отделения танка
RU2521852C1 (ru) * 2013-04-23 2014-07-10 Данил Андреевич Кара Способ снижения загазованности боевого отделения танка
RU2542678C1 (ru) * 2013-10-15 2015-02-20 Открытое акционерное общество "Конструкторское бюро приборостроения им. академика А.Г. Шипунова" Боевая машина
RU2560229C1 (ru) * 2014-10-01 2015-08-20 Александр Александрович Котровский Способ удаления пороховых газов от орудия объекта бронетанкового вооружения
RU2570468C1 (ru) * 2014-11-17 2015-12-10 Александр Александрович Котровский Способ вентиляции обитаемых отделений боевой машины
RU2581967C1 (ru) * 2015-06-15 2016-04-20 Александр Александрович Котровский Способ повышения интенсивности воздухообмена в обитаемых отделениях боевой машины
RU2665979C1 (ru) * 2017-10-16 2018-09-05 Евгений Дмитриевич Золотых Способ удаления пороховых газов от казённика вооружения боевой машины
RU2680297C1 (ru) * 2017-10-16 2019-02-19 Евгений Дмитриевич Золотых Устройство повышения качества обитаемости обитаемых отделений боевой машины при применении вооружения
WO2020011672A1 (en) * 2018-07-13 2020-01-16 Sally R Ab Module for treating air, method for treating air, and related systems
RU217117U1 (ru) * 2022-06-23 2023-03-17 Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования "Военный Университет Имени Князя Александра Невского" Министерства Обороны Российской Федерации Устройство для отвода пороховых газов из боевого отделения танка

Also Published As

Publication number Publication date
DE1964898A1 (de) 1971-07-01
FR2069486A5 (enrdf_load_stackoverflow) 1971-09-03
DE1964898B2 (de) 1975-01-23
BE760612A (fr) 1971-05-27
GB1331998A (en) 1973-09-26
CH518816A (de) 1972-02-15

Similar Documents

Publication Publication Date Title
US3775949A (en) Safety air supply device
DE102008042856A1 (de) Kraftfahrzeug-Belüftungssystem
DE3479483D1 (en) Filter cassette
CN108826481A (zh) 一种铝箔纸生产车间的空气净化循环系统
JPS59225719A (ja) 空気濾過装置
US4717402A (en) Air purification system
CN206549375U (zh) 一种防爆除尘装置
DE1964898C3 (de) Schutzluftvorrichtung für Fahrzeuge
CH665563A5 (de) Raumfilter fuer schutzraeume.
EP0751054A1 (de) Druckgeschütztes Lüftungssystem
GB909924A (en) Improvements in air-conditioning filters
CH442592A (de) Vorrichtung zur Erhöhung des Zuges in Rauchgasleitungen
DE19546550A1 (de) Belüftungsvorrichtung für Fahrzeuge
DE2826808A1 (de) Zyklon-staubabscheider
DE1165434B (de) Belueftungsvorrichtung fuer Personenfahrzeuge, insbesondere Kampfwagen, Sanitaetswagen, Kommandowagen od. dgl.
DE1217578B (de) Luftverteiler
EP2711216B1 (de) Ansaugeinrichtung für eine Heizungs- und/oder Klimaanlage in einem Kraftfahrzeug, insbesondere in einem Nutzfahrzeug
DE2745406A1 (de) Kompaktfilteranlage mit schalldaempfung
PL127981U1 (pl) Urządzenie oczyszczające powietrze montowane w rowerze
US3387435A (en) Safety valve filter
DE3626393C2 (de) Anordnung zur Luftfilterung für Kraftfahrzeuge
GB1089311A (en) Improvements in and relating to water separators
AT231582B (de) Saug- und Filteranordnung an Verbrennungskraftmotoren in Fahrzeugen für den Einsatz zur Radioaktivitätsbestimmung der Luft
DE3149425C2 (de) Atemschutzfilter
RU1819680C (ru) Аспирационна система