DE29816225U1 - Measuring device for in-situ functional testing of a filter in a filter system by determining the number of particles in a gas sample and filter system for separating particles from a gas stream - Google Patents

Measuring device for in-situ functional testing of a filter in a filter system by determining the number of particles in a gas sample and filter system for separating particles from a gas stream

Info

Publication number
DE29816225U1
DE29816225U1 DE29816225U DE29816225U DE29816225U1 DE 29816225 U1 DE29816225 U1 DE 29816225U1 DE 29816225 U DE29816225 U DE 29816225U DE 29816225 U DE29816225 U DE 29816225U DE 29816225 U1 DE29816225 U1 DE 29816225U1
Authority
DE
Germany
Prior art keywords
filter
filter system
particles
determining
measuring device
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
DE29816225U
Other languages
German (de)
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.)
Camfil GmbH
Original Assignee
Camfil 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 Camfil GmbH filed Critical Camfil GmbH
Priority to DE29816225U priority Critical patent/DE29816225U1/en
Publication of DE29816225U1 publication Critical patent/DE29816225U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/18—Testing of filters, filter elements, sealings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
DE29816225U 1998-09-10 1998-09-10 Measuring device for in-situ functional testing of a filter in a filter system by determining the number of particles in a gas sample and filter system for separating particles from a gas stream Expired - Lifetime DE29816225U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29816225U DE29816225U1 (en) 1998-09-10 1998-09-10 Measuring device for in-situ functional testing of a filter in a filter system by determining the number of particles in a gas sample and filter system for separating particles from a gas stream

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29816225U DE29816225U1 (en) 1998-09-10 1998-09-10 Measuring device for in-situ functional testing of a filter in a filter system by determining the number of particles in a gas sample and filter system for separating particles from a gas stream

Publications (1)

Publication Number Publication Date
DE29816225U1 true DE29816225U1 (en) 1999-08-12

Family

ID=8062441

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29816225U Expired - Lifetime DE29816225U1 (en) 1998-09-10 1998-09-10 Measuring device for in-situ functional testing of a filter in a filter system by determining the number of particles in a gas sample and filter system for separating particles from a gas stream

Country Status (1)

Country Link
DE (1) DE29816225U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017167671A1 (en) * 2016-03-29 2017-10-05 Koninklijke Philips N.V. Air purifier with pollution sensing
DE102020125921B4 (en) 2020-10-04 2022-05-19 Elke Münch Mobile device for cleaning and disinfecting room air that can be operated by a temperature difference
DE102020125922B4 (en) 2020-10-04 2022-06-02 Elke Münch Mobile device for cleaning and disinfecting room air
DE102020125919B4 (en) 2020-10-04 2022-06-23 Elke Münch Mobile device that can be operated by a temperature difference for cleaning and disinfecting room air and a test device therefor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0623376A1 (en) * 1993-05-03 1994-11-09 HumanAir Patentverwertungsgesellschaft mbH Device for monitoring the run out time of filter installations in air conditioning systems
DE29606400U1 (en) * 1996-04-06 1997-07-31 Haker Gerd Device for the detection of fine particles in an air stream

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0623376A1 (en) * 1993-05-03 1994-11-09 HumanAir Patentverwertungsgesellschaft mbH Device for monitoring the run out time of filter installations in air conditioning systems
DE29606400U1 (en) * 1996-04-06 1997-07-31 Haker Gerd Device for the detection of fine particles in an air stream

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017167671A1 (en) * 2016-03-29 2017-10-05 Koninklijke Philips N.V. Air purifier with pollution sensing
DE102020125921B4 (en) 2020-10-04 2022-05-19 Elke Münch Mobile device for cleaning and disinfecting room air that can be operated by a temperature difference
DE102020125922B4 (en) 2020-10-04 2022-06-02 Elke Münch Mobile device for cleaning and disinfecting room air
DE102020125919B4 (en) 2020-10-04 2022-06-23 Elke Münch Mobile device that can be operated by a temperature difference for cleaning and disinfecting room air and a test device therefor

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 19990923

R081 Change of applicant/patentee

Owner name: CAMFIL KG, DE

Free format text: FORMER OWNER: CAMFIL GMBH, 23858 REINFELD, DE

Effective date: 20001106

R150 Term of protection extended to 6 years

Effective date: 20011218

R151 Term of protection extended to 8 years

Effective date: 20041207

R152 Term of protection extended to 10 years

Effective date: 20061026

R071 Expiry of right