GB2164153B - Pressure sensing apparatus for indicating the condition of an air filter - Google Patents

Pressure sensing apparatus for indicating the condition of an air filter

Info

Publication number
GB2164153B
GB2164153B GB08518439A GB8518439A GB2164153B GB 2164153 B GB2164153 B GB 2164153B GB 08518439 A GB08518439 A GB 08518439A GB 8518439 A GB8518439 A GB 8518439A GB 2164153 B GB2164153 B GB 2164153B
Authority
GB
United Kingdom
Prior art keywords
indicating
condition
air filter
pressure sensing
sensing apparatus
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
Application number
GB08518439A
Other languages
English (en)
Other versions
GB8518439D0 (en
GB2164153A (en
Inventor
Paul Gerlach
Heinz Erwin Muller
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.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel GmbH
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
Application filed by Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Publication of GB8518439D0 publication Critical patent/GB8518439D0/en
Publication of GB2164153A publication Critical patent/GB2164153A/en
Application granted granted Critical
Publication of GB2164153B publication Critical patent/GB2164153B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0086—Filter condition indicators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/09—Clogging indicators ; Diagnosis or testing of air cleaners
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • G01L19/12—Alarms or signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/60—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for the intake of internal combustion engines or turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Fluid Pressure (AREA)
  • Mechanical Control Devices (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
GB08518439A 1984-08-01 1985-07-22 Pressure sensing apparatus for indicating the condition of an air filter Expired GB2164153B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843428307 DE3428307A1 (de) 1984-08-01 1984-08-01 Anzeigevorrichtung fuer den verschmutzungsgrad von ansaugluftfiltern

Publications (3)

Publication Number Publication Date
GB8518439D0 GB8518439D0 (en) 1985-08-29
GB2164153A GB2164153A (en) 1986-03-12
GB2164153B true GB2164153B (en) 1987-12-31

Family

ID=6242076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08518439A Expired GB2164153B (en) 1984-08-01 1985-07-22 Pressure sensing apparatus for indicating the condition of an air filter

Country Status (9)

Country Link
US (1) US4688511A (https=)
AR (1) AR242121A1 (https=)
BR (1) BR8503512A (https=)
DE (1) DE3428307A1 (https=)
ES (1) ES8700072A1 (https=)
FR (1) FR2568484B1 (https=)
GB (1) GB2164153B (https=)
MX (1) MX157720A (https=)
ZA (1) ZA855209B (https=)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4552153A (en) * 1983-11-17 1985-11-12 Welch Allyn Inc. Pressure gauge
DE3630430C1 (en) * 1986-09-06 1987-10-29 Knecht Filterwerke Gmbh Indicator device for the degree of soiling of intake air filters
US5315838A (en) * 1993-08-16 1994-05-31 Whirlpool Corporation Air conditioner filter monitor
US5575832A (en) * 1994-09-21 1996-11-19 Humidtech Research, Inc. Regenerative hygroscopic filter and method
DE19506453A1 (de) * 1995-02-24 1996-08-29 Mann & Hummel Filter Anzeigevorrichtung zur Anzeige des Unterdrucks
DE19506452A1 (de) * 1995-02-24 1996-08-29 Mann & Hummel Filter Anzeigevorrichtung zur Anzeige des Unterdrucks
CN1067907C (zh) * 1995-03-15 2001-07-04 梅姆泰克美国公司 过滤监视和控制系统
MX9800803A (es) * 1995-08-04 1998-04-30 Donaldson Co Inc Indicador de restriccion para limpiadores de aire.
US6077435A (en) * 1996-03-15 2000-06-20 Usf Filtration And Separations Group Inc. Filtration monitoring and control system
US20040232076A1 (en) * 1996-12-20 2004-11-25 Fufang Zha Scouring method
DE69740003D1 (de) * 1996-12-20 2010-11-04 Siemens Water Tech Corp Reinigungsmethode
AUPO709797A0 (en) * 1997-05-30 1997-06-26 Usf Filtration And Separations Group Inc. Predicting logarithmic reduction values
US6641733B2 (en) * 1998-09-25 2003-11-04 U. S. Filter Wastewater Group, Inc. Apparatus and method for cleaning membrane filtration modules
WO1999025974A1 (en) * 1997-11-14 1999-05-27 Donaldson Company, Inc. Restriction indicator for air cleaners
DE19751942A1 (de) * 1997-11-24 1999-05-27 Mann & Hummel Filter Anzeigevorrichtung für den Verschmutzungsgrad eines Filterelements
AUPP985099A0 (en) 1999-04-20 1999-05-13 Usf Filtration And Separations Group Inc. Membrane filtration manifold system
US6327902B1 (en) * 1999-06-25 2001-12-11 Engineered Products Company Air filter restriction indicator gauge
US6289726B1 (en) * 1999-06-30 2001-09-18 Engineered Products Co. Fuel filter gauge
US6604486B1 (en) 1999-08-16 2003-08-12 Donaldson Company, Inc. Restriction indicator
US6190442B1 (en) * 1999-08-31 2001-02-20 Tishken Products Co. Air filter gauge
AUPQ680100A0 (en) * 2000-04-10 2000-05-11 Usf Filtration And Separations Group Inc. Hollow fibre restraining system
AUPR064800A0 (en) * 2000-10-09 2000-11-02 Usf Filtration And Separations Group Inc. Improved membrane filtration system
AUPR094600A0 (en) * 2000-10-23 2000-11-16 Usf Filtration And Separations Group Inc. Fibre membrane arrangement
AUPR143400A0 (en) 2000-11-13 2000-12-07 Usf Filtration And Separations Group Inc. Modified membranes
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR584301A0 (en) 2001-06-20 2001-07-12 U.S. Filter Wastewater Group, Inc. Membrane polymer compositions
AUPR692401A0 (en) 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
AUPR774201A0 (en) * 2001-09-18 2001-10-11 U.S. Filter Wastewater Group, Inc. High solids module
ATE333318T1 (de) * 2001-11-16 2006-08-15 Us Filter Wastewater Group Inc Methode zur reinigung von membranen
US7247238B2 (en) 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
AUPS300602A0 (en) 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
CA2501628C (en) 2002-10-10 2012-12-04 U.S. Filter Wastewater Group, Inc. A filtration and backwashing arrangement for membrane modules
AU2002953111A0 (en) 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
AU2003903507A0 (en) * 2003-07-08 2003-07-24 U. S. Filter Wastewater Group, Inc. Membrane post-treatment
KR101115173B1 (ko) 2003-08-29 2012-02-24 지멘스 워터 테크놀로지스 코포레이션 역류
WO2005046849A1 (en) 2003-11-14 2005-05-26 U.S. Filter Wastewater Group, Inc. Improved module cleaning method
WO2005092799A1 (en) 2004-03-26 2005-10-06 U.S. Filter Wastewater Group, Inc. Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
AU2005240524C1 (en) 2004-04-22 2009-12-24 Evoqua Water Technologies Llc Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
US7819956B2 (en) 2004-07-02 2010-10-26 Siemens Water Technologies Corp. Gas transfer membrane
JP2008505197A (ja) 2004-07-05 2008-02-21 シーメンス・ウォーター・テクノロジーズ・コーポレーション 親水性膜
US7124627B2 (en) * 2004-08-12 2006-10-24 Illinois Tool Works Inc Air filter restriction sensor assembly
NZ588094A (en) 2004-08-20 2012-04-27 Siemens Water Tech Corp Potting head for hollow fibre filter module
US7137303B2 (en) * 2004-08-31 2006-11-21 Stanadyne Corporation Filter change indicator
US8790515B2 (en) 2004-09-07 2014-07-29 Evoqua Water Technologies Llc Reduction of backwash liquid waste
AU2005284677B2 (en) 2004-09-14 2010-12-23 Evoqua Water Technologies Llc Methods and apparatus for removing solids from a membrane module
NZ553771A (en) 2004-09-15 2010-11-26 Siemens Water Tech Corp Continuously variable aeration of membrane filtration system and flow control device when used in such application
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
US8057567B2 (en) 2004-11-05 2011-11-15 Donaldson Company, Inc. Filter medium and breather filter structure
US8021457B2 (en) 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
CA2945592C (en) 2004-11-05 2020-01-07 Donaldson Company, Inc. Filter medium and structure
US12172111B2 (en) 2004-11-05 2024-12-24 Donaldson Company, Inc. Filter medium and breather filter structure
WO2006058384A1 (en) 2004-12-03 2006-06-08 Siemens Water Technologies Corp. Membrane post treatment
US8758622B2 (en) 2004-12-24 2014-06-24 Evoqua Water Technologies Llc Simple gas scouring method and apparatus
NZ583228A (en) 2004-12-24 2012-05-25 Siemens Industry Inc Cleaning in membrane filtration systems
US7470360B2 (en) * 2005-01-21 2008-12-30 Engineered Products Company Fluid flow restriction indicator
WO2006081564A1 (en) 2005-01-28 2006-08-03 Engineered Products Company Non-locking switch for filter monitoring
US8177875B2 (en) 2005-02-04 2012-05-15 Donaldson Company, Inc. Aerosol separator; and method
WO2006091594A1 (en) 2005-02-22 2006-08-31 Donaldson Company, Inc. Aerosol separator
NZ562786A (en) 2005-04-29 2010-10-29 Siemens Water Tech Corp Chemical clean for membrane filter
WO2007006104A1 (en) 2005-07-14 2007-01-18 Siemens Water Technologies Corp. Monopersulfate treatment of membranes
SG140229A1 (en) 2005-08-22 2008-03-28 Siemens Water Tech Corp An assembly for water filtration using a tube manifold to minimise backwash
WO2007044345A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
EP2029255B1 (en) * 2006-06-16 2011-10-26 Engineered Products Co. Dial-type flow-restriction gauges
MY145939A (en) * 2006-07-14 2012-05-31 Siemens Industry Inc Improved monopersulfate treatment of membranes
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
JP2010529902A (ja) 2007-02-22 2010-09-02 ドナルドソン カンパニー インコーポレイテッド フイルタ要素及び方法
WO2008103821A2 (en) 2007-02-23 2008-08-28 Donaldson Company, Inc. Formed filter element
US8318028B2 (en) 2007-04-02 2012-11-27 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
EP2463017A1 (en) 2007-05-29 2012-06-13 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
CN102112213B (zh) 2008-07-24 2016-08-03 伊沃夸水处理技术有限责任公司 用于膜过滤模块的框架系统
JP2012500117A (ja) 2008-08-20 2012-01-05 シーメンス ウォーター テクノロジース コーポレイション 膜濾過システムの逆洗エネルギ効率の改善
US8267681B2 (en) 2009-01-28 2012-09-18 Donaldson Company, Inc. Method and apparatus for forming a fibrous media
AU2010101488B4 (en) 2009-06-11 2013-05-02 Evoqua Water Technologies Llc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
WO2011079062A1 (en) * 2009-12-21 2011-06-30 Siemens Industry, Inc. Charged porous polymeric membranes and their preparation
CN102869432B (zh) 2010-04-30 2016-02-03 伊沃夸水处理技术有限责任公司 流体流分配装置
US9022224B2 (en) 2010-09-24 2015-05-05 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
JP2014528354A (ja) 2011-09-30 2014-10-27 エヴォクア ウォーター テクノロジーズ エルエルシーＥｖｏｑｕａ Ｗａｔｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓｌｌｃ 隔離バルブ
CN103958024B (zh) 2011-09-30 2016-07-06 伊沃夸水处理技术有限责任公司 改进的歧管排列
CN102678399B (zh) * 2011-12-27 2014-02-26 浙江省海洋开发研究院 发动机空气滤清器堵塞提醒装置
AU2013280452B2 (en) 2012-06-28 2017-07-20 Evoqua Water Technologies Llc A potting method
KR20150054918A (ko) 2012-09-14 2015-05-20 에보쿠아 워터 테크놀로지스 엘엘씨 막을 위한 중합체 블렌드
AU2013231145B2 (en) 2012-09-26 2017-08-17 Evoqua Water Technologies Llc Membrane potting methods
DE112013004713T5 (de) 2012-09-26 2015-07-23 Evoqua Water Technologies Llc Membransicherungsvorrichtung
KR20150059788A (ko) 2012-09-27 2015-06-02 에보쿠아 워터 테크놀로지스 엘엘씨 침지된 막을 위한 가스 스코어링 장치
HUE061765T2 (hu) 2013-10-02 2023-08-28 Rohm & Haas Electronic Mat Singapore Pte Ltd Berendezés membrán filtrációs modul javítására
WO2017011068A1 (en) 2015-07-14 2017-01-19 Evoqua Water Technologies Llc Aeration device for filtration system
US10876503B2 (en) * 2017-06-16 2020-12-29 Nick Trask Vehicle air intake assembly
CN115445332B (zh) * 2017-10-24 2024-10-29 唐纳森公司 具有阻塞指示器的空气滤清器组件
CN109260831B (zh) * 2018-09-27 2023-11-03 国网江苏省电力有限公司盐城供电分公司 一种配电箱用空气过滤装置
RU2697420C1 (ru) * 2019-06-14 2019-08-14 Общество с ограниченной ответственностью "АТЛАНТ" Индикатор засорения газового фильтра
US12188438B1 (en) * 2023-10-30 2025-01-07 Injen Technology Company, Ltd. Air intake system having a detachable window for viewing the air filter

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US148673A (en) * 1874-03-17 Improvement in registering steam-gages
US376103A (en) * 1888-01-10 Indicator-dial
DE421043C (de) * 1925-02-28 1925-11-04 Willy Seck Gehaeuseanordnung fuer Plattenfedermanometer
GB267098A (en) * 1926-03-05 1927-12-22 Michelin & Cie Improvements in pressure gauges especially adapted for use with pneumatic tyres
US2605736A (en) * 1950-08-01 1952-08-05 Taylor Instrument Co Maximum and minimum registering instrument
US2851002A (en) * 1956-07-25 1958-09-09 Kollsman Instr Corp Aircraft instrument-dual drum scale
US3465707A (en) * 1968-03-05 1969-09-09 Tsuchiya Seisakusho Clogging indicator for air cleaners
US3807350A (en) * 1972-10-20 1974-04-30 Steward Warner Corp Gear band selector tachometer
SU470723A2 (ru) * 1973-05-03 1975-05-15 Предприятие П/Я А-3833 Индикатор засоренности воздухоочистител
DE2346552A1 (de) * 1973-09-15 1975-03-27 Mann & Hummel Filter Anzeigevorrichtung fuer den verschmutzungsgrad von ansaugluftfiltern
SE394076B (sv) * 1975-08-29 1977-06-06 Electrolux Ab Indikatoranordning for dammsugare.
US4029041A (en) * 1976-01-08 1977-06-14 Eduard Matveevich Genshpring Blockage indicator for internal combustion engine air cleaner element
DE2617972A1 (de) * 1976-04-24 1977-11-10 Mann & Hummel Filter Anzeigevorrichtung fuer den verschmutzungsgrad von ansaugluftfiltern
US4196633A (en) * 1978-05-22 1980-04-08 Dresser Industries, Inc. Pressure gauge construction

Also Published As

Publication number Publication date
ES8700072A1 (es) 1986-10-16
FR2568484B1 (fr) 1989-07-21
US4688511A (en) 1987-08-25
DE3428307C2 (https=) 1990-06-07
GB8518439D0 (en) 1985-08-29
DE3428307A1 (de) 1986-02-13
FR2568484A1 (fr) 1986-02-07
MX157720A (es) 1988-12-12
ZA855209B (en) 1986-02-26
AR242121A1 (es) 1993-03-31
ES545762A0 (es) 1986-10-16
GB2164153A (en) 1986-03-12
BR8503512A (pt) 1986-04-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950722