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IT1022559B - Rivelatore di intasamento per depuratore d aria - Google Patents

Rivelatore di intasamento per depuratore d aria

Info

Publication number
IT1022559B
IT1022559B IT27999/74A IT2799974A IT1022559B IT 1022559 B IT1022559 B IT 1022559B IT 27999/74 A IT27999/74 A IT 27999/74A IT 2799974 A IT2799974 A IT 2799974A IT 1022559 B IT1022559 B IT 1022559B
Authority
IT
Italy
Prior art keywords
air purifier
clogging detector
clogging
detector
purifier
Prior art date
Application number
IT27999/74A
Other languages
English (en)
Original Assignee
Sofiltra
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 Sofiltra filed Critical Sofiltra
Application granted granted Critical
Publication of IT1022559B publication Critical patent/IT1022559B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
    • G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/34—Indicator and controllers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
IT27999/74A 1973-10-03 1974-10-02 Rivelatore di intasamento per depuratore d aria IT1022559B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7335328A FR2246856B1 (it) 1973-10-03 1973-10-03

Publications (1)

Publication Number Publication Date
IT1022559B true IT1022559B (it) 1978-04-20

Family

ID=9125863

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27999/74A IT1022559B (it) 1973-10-03 1974-10-02 Rivelatore di intasamento per depuratore d aria

Country Status (7)

Country Link
US (1) US3963891A (it)
DE (1) DE2446734A1 (it)
ES (1) ES430593A1 (it)
FR (1) FR2246856B1 (it)
GB (1) GB1479946A (it)
IT (1) IT1022559B (it)
ZA (1) ZA746260B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2338395A2 (fr) * 1976-01-19 1977-08-12 Poelman Sofiltra Detecteur de colmatage pour epurateur d'air
US4063556A (en) * 1976-04-14 1977-12-20 Ryder International Corporation Vacuum curettage device
DE2651257A1 (de) * 1976-11-10 1978-05-18 Hatz Motoren Signalanzeige an brennkraftmaschinen
US4189724A (en) * 1978-02-24 1980-02-19 Donaldson Company, Inc. Electric restriction indicator with a contactless switch device for indicating a restriction in filter elements
GB1599686A (en) * 1978-05-24 1981-10-07 Engineering Components Ltd Pressure warning indicator
US4184376A (en) * 1978-12-13 1980-01-22 Donaldson Company, Inc. Pressure sensitive indicating device
GB8515047D0 (en) * 1985-06-13 1985-07-17 Domnick Hunter Filters Ltd Filters
US4890088A (en) * 1988-02-16 1989-12-26 Arthur Woodell Engine monitoring and control apparatus
FR2721070B1 (fr) * 1994-06-08 1996-07-19 Snecma Dispositif de surveillance et de détection automatique d'anomalies fonctionnelles sur un circuit d'alimentation en pression d'une pompe principale.
MX9800803A (es) * 1995-08-04 1998-04-30 Donaldson Co Inc Indicador de restriccion para limpiadores de aire.
US6210457B1 (en) * 1998-04-08 2001-04-03 Lee Valley Tools Ltd. Transparent lid for auxiliary dust removal receptacle
US6268791B1 (en) * 1999-05-12 2001-07-31 Engineered Products Company Switch gauge
US6307466B1 (en) * 1999-06-25 2001-10-23 Engineered Products Company Two stage gauge with electrical signal output
US6604486B1 (en) 1999-08-16 2003-08-12 Donaldson Company, Inc. Restriction indicator
US7414207B2 (en) * 2005-01-28 2008-08-19 Engineered Products Company Non-locking switch for filter monitoring
US7870832B2 (en) * 2007-05-15 2011-01-18 Dadco, Inc. Pressure indicating device
CN104225856A (zh) * 2014-09-30 2014-12-24 冯林 消防栓水压监测系统
RU173876U1 (ru) * 2017-02-28 2017-09-15 Акционерное общество "Научно-исследовательский институт физических измерений" Сигнализатор давления мембранный
WO2019055903A1 (en) 2017-09-18 2019-03-21 Evoqua Water Technologies Llc STATUS LED LIGHT OF SAND FILTER
CN109520660B (zh) * 2018-12-29 2024-08-20 中航电测仪器股份有限公司 一种电力断路器弹簧压力监测装置及监测方法
CN111307339A (zh) * 2020-04-09 2020-06-19 南京顺升自动化有限公司 一种提供压差自行供电的压力检测设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1094279A (en) * 1913-05-26 1914-04-21 John Wagner Hasp-lock.
US3397395A (en) * 1965-09-20 1968-08-13 Gen Motors Corp Filter condition indicator
US3443365A (en) * 1967-12-06 1969-05-13 Donaldson Co Inc Restriction indicator
US3678881A (en) * 1970-03-27 1972-07-25 Gen Electric Device for indicating contamination of a fluid supply to a fluidic circuit

Also Published As

Publication number Publication date
ZA746260B (en) 1975-10-29
GB1479946A (en) 1977-07-13
FR2246856A1 (it) 1975-05-02
US3963891A (en) 1976-06-15
FR2246856B1 (it) 1978-03-17
ES430593A1 (es) 1976-10-16
DE2446734A1 (de) 1975-04-10

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931029