GB8325278D0 - Sensing changes in gaseous filters - Google Patents

Sensing changes in gaseous filters

Info

Publication number
GB8325278D0
GB8325278D0 GB838325278A GB8325278A GB8325278D0 GB 8325278 D0 GB8325278 D0 GB 8325278D0 GB 838325278 A GB838325278 A GB 838325278A GB 8325278 A GB8325278 A GB 8325278A GB 8325278 D0 GB8325278 D0 GB 8325278D0
Authority
GB
United Kingdom
Prior art keywords
sensing changes
gaseous filters
gaseous
filters
sensing
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.)
Granted
Application number
GB838325278A
Other versions
GB2127556A (en
GB2127556B (en
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.)
NEDERMAN BILL P PH
Original Assignee
NEDERMAN BILL P PH
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 NEDERMAN BILL P PH filed Critical NEDERMAN BILL P PH
Publication of GB8325278D0 publication Critical patent/GB8325278D0/en
Publication of GB2127556A publication Critical patent/GB2127556A/en
Application granted granted Critical
Publication of GB2127556B publication Critical patent/GB2127556B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/72—Emergency control systems
GB08325278A 1982-09-22 1983-09-21 Sensing changes in the filtering effects of gaseous filters Expired GB2127556B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8205417A SE435577B (en) 1982-09-22 1982-09-22 VIEW TO MONITOR CHANGES OF THE FILTERING EFFECT OF FILTERING DEVICES FOR THE DISPOSAL OF GAS FLUID, SPEC Harmful Substances from Welding Gases, and Device for Implementation of Excavation

Publications (3)

Publication Number Publication Date
GB8325278D0 true GB8325278D0 (en) 1983-10-26
GB2127556A GB2127556A (en) 1984-04-11
GB2127556B GB2127556B (en) 1987-08-26

Family

ID=20347950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08325278A Expired GB2127556B (en) 1982-09-22 1983-09-21 Sensing changes in the filtering effects of gaseous filters

Country Status (9)

Country Link
JP (2) JPS5976515A (en)
CA (1) CA1212162A (en)
DE (1) DE3334162A1 (en)
DK (1) DK431283A (en)
FI (1) FI74881C (en)
FR (1) FR2533140B1 (en)
GB (1) GB2127556B (en)
IT (3) IT8322962A0 (en)
SE (1) SE435577B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69409736T2 (en) * 1993-08-30 1998-10-01 Millipore Invest Holdings Testing the integrity of porous structures using sound emissions
ITPN940015A1 (en) * 1994-03-16 1995-09-16 Procond Elettronica Spa ELECTROSTATIC FILTER AIR PURIFIER

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1337255A (en) * 1970-11-27 1973-11-14 Secr Defence Methods of testing adsorbent materials
GB1309344A (en) * 1971-03-10 1973-03-07 Bondarev V P Device for evaluating the quality of cake in intermittent filters
US3754219A (en) * 1972-01-03 1973-08-21 Johnson Service Co High impedance gaseous ion sensing and detection system
JPS5614644B2 (en) * 1972-10-19 1981-04-06
DE2261792C2 (en) * 1972-12-16 1974-10-03 Berckheim, Constantin Graf Von, 6940 Weinheim Device for measuring air pollution
JPS5060875A (en) * 1973-10-02 1975-05-26
GB1487179A (en) * 1974-12-12 1977-09-28 Secr Defence Method and apparatus for detecting polar vapours in gases
JPS5262622A (en) * 1975-11-19 1977-05-24 Mitsubishi Electric Corp Wiring method of d.c. input power source for inverter
JPS53161380U (en) * 1977-05-26 1978-12-18
US4264331A (en) * 1977-08-03 1981-04-28 Johnson Controls, Inc. Charged non-conductive polar gas sensing element and detection system
JPS5614644U (en) * 1979-07-10 1981-02-07

Also Published As

Publication number Publication date
DK431283A (en) 1984-03-23
SE8205417D0 (en) 1982-09-22
IT8322963A1 (en) 1985-03-22
IT215131Z2 (en) 1990-08-20
JPH0353700Y2 (en) 1991-11-25
JPS6436024U (en) 1989-03-06
DE3334162C2 (en) 1989-11-09
FI833380A (en) 1984-03-23
SE435577B (en) 1984-10-08
JPS5976515A (en) 1984-05-01
CA1212162A (en) 1986-09-30
IT8324095V0 (en) 1983-11-22
GB2127556A (en) 1984-04-11
SE8205417L (en) 1984-03-23
IT1169842B (en) 1987-06-03
FI74881B (en) 1987-12-31
FI833380A0 (en) 1983-09-21
DK431283D0 (en) 1983-09-21
DE3334162A1 (en) 1984-03-22
FI74881C (en) 1988-04-11
IT8322962A0 (en) 1983-09-22
IT8322963A0 (en) 1983-09-22
FR2533140A1 (en) 1984-03-23
FR2533140B1 (en) 1988-06-10
GB2127556B (en) 1987-08-26

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940921