IT1112184B - Indicatore di restrizione elettrico - Google Patents

Indicatore di restrizione elettrico

Info

Publication number: IT1112184B
Authority: IT; Italy
Prior art keywords: restriction indicator; electric restriction; electric; indicator; restriction
Prior art date: 1978-02-24

Application number

IT20512/79A

Other languages

English (en)

Other versions

IT7920512A0 (it

Original Assignee

Donaldson Co Inc

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.)

1978-02-24

Filing date

1979-02-23

Publication date

1986-01-13

1979-02-23 Application filed by Donaldson Co Inc filed Critical Donaldson Co Inc

1979-02-23 Publication of IT7920512A0 publication Critical patent/IT7920512A0/it

1986-01-13 Application granted granted Critical

1986-01-13 Publication of IT1112184B publication Critical patent/IT1112184B/it

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Filtering Of Dispersed Particles In Gases (AREA)
Measuring Fluid Pressure (AREA)

IT20512/79A 1978-02-24 1979-02-23 Indicatore di restrizione elettrico IT1112184B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/880,753 US4189724A (en)	1978-02-24	1978-02-24	Electric restriction indicator with a contactless switch device for indicating a restriction in filter elements

Publications (2)

Publication Number	Publication Date
IT7920512A0 IT7920512A0 (it)	1979-02-23
IT1112184B true IT1112184B (it)	1986-01-13

Family

ID=25376994

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20512/79A IT1112184B (it)	1978-02-24	1979-02-23	Indicatore di restrizione elettrico

Country Status (10)

Country	Link
US (1)	US4189724A (it)
JP (1)	JPS557683A (it)
AU (1)	AU503378B1 (it)
BE (1)	BE874383A (it)
BR (1)	BR7901210A (it)
DE (2)	DE7904887U1 (it)
FR (1)	FR2418011A1 (it)
GB (1)	GB2018431B (it)
IT (1)	IT1112184B (it)
ZA (1)	ZA79843B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4719791A (en) *	1986-12-05	1988-01-19	Ets, Inc.	Individual filter bag monitoring system for baghouses
US5188728A (en) *	1989-10-31	1993-02-23	Le Bozec Et Gautier	Clogging display with shape memory alloy spring actuator
FR2659141B1 (fr) *	1990-03-01	1994-03-25	Lebozec Gautier	Indicateur de colmatage.
US5596477A (en) *	1993-05-03	1997-01-21	Faraday, Inc.	Contactless signaling device
MX9800803A (es) *	1995-08-04	1998-04-30	Donaldson Co Inc	Indicador de restriccion para limpiadores de aire.
US5882379A (en) *	1997-09-26	1999-03-16	Donaldson Company, Inc.	Indicator arrangement for air cleaner systems and methods thereof
US6307466B1 (en) *	1999-06-25	2001-10-23	Engineered Products Company	Two stage gauge with electrical signal output
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
US6328647B1 (en)	2000-04-06	2001-12-11	Jon E. Traudt	Pressure differential detecting system, and method of use
US7213464B1 (en)	2004-10-25	2007-05-08	Traudt Jon E	System for visually monitoring pressure in an enclosed space
WO2006081564A1 (en)	2005-01-28	2006-08-03	Engineered Products Company	Non-locking switch for filter monitoring
US9976456B2 (en)	2013-01-24	2018-05-22	Cummins Filtration Ip, Inc.	Virtual filter condition sensor
DE202015105132U1 (de) *	2015-09-29	2015-12-07	Holger Blum	Druck-Messvorrichtung
CN110114127B (zh)	2017-01-04	2021-04-23	康明斯过滤Ip公司	具有扩散器的过滤器组件
CN112351827A (zh) *	2018-07-02	2021-02-09	康明斯滤清系统知识产权公司	用于过滤器组件的限制指示器装置
CN112731858B (zh) *	2021-02-05	2022-04-08	江苏海晨物流股份有限公司	一种物流运输远程监控方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3368520A (en) *	1964-06-25	1968-02-13	Dynamic Res Corp	Pressure-vacuum indicator
US3484772A (en) *	1966-07-06	1969-12-16	Whirlpool Co	Lint indicator system
US3443365A (en) *	1967-12-06	1969-05-13	Donaldson Co Inc	Restriction indicator
US3465707A (en) *	1968-03-05	1969-09-09	Tsuchiya Seisakusho	Clogging indicator for air cleaners
FR2246856B1 (it) *	1973-10-03	1978-03-17	Sofiltra Ste Indle Filtration
US4014209A (en) *	1975-12-15	1977-03-29	Emerick Wayne L	Air filter condition indicating device
US4122337A (en) *	1976-02-26	1978-10-24	Matsushita Electric Industrial Co., Ltd.	Pressure-electrical signal conversion means

1978
- 1978-02-24 US US05/880,753 patent/US4189724A/en not_active Expired - Lifetime
1979
- 1979-02-19 FR FR7904129A patent/FR2418011A1/fr active Granted
- 1979-02-22 DE DE19797904887U patent/DE7904887U1/de not_active Expired
- 1979-02-22 ZA ZA79843A patent/ZA79843B/xx unknown
- 1979-02-22 GB GB7906364A patent/GB2018431B/en not_active Expired
- 1979-02-22 BE BE6/46764A patent/BE874383A/xx not_active IP Right Cessation
- 1979-02-22 DE DE19792906784 patent/DE2906784A1/de not_active Withdrawn
- 1979-02-23 AU AU44551/79A patent/AU503378B1/en not_active Ceased
- 1979-02-23 IT IT20512/79A patent/IT1112184B/it active
- 1979-02-23 BR BR7901210A patent/BR7901210A/pt unknown
- 1979-02-24 JP JP2128079A patent/JPS557683A/ja active Pending

Also Published As

Publication number	Publication date
ZA79843B (en)	1980-03-26
US4189724A (en)	1980-02-19
GB2018431B (en)	1983-02-23
IT7920512A0 (it)	1979-02-23
BR7901210A (pt)	1979-10-02
GB2018431A (en)	1979-10-17
FR2418011B1 (it)	1984-04-13
FR2418011A1 (fr)	1979-09-21
BE874383A (fr)	1979-08-22
DE2906784A1 (de)	1979-09-13
AU503378B1 (en)	1979-08-30
JPS557683A (en)	1980-01-19
DE7904887U1 (de)	1979-07-19

Publication	Publication Date	Title
IT1119577B (it)	1986-03-10	Tasformatore elettrico
LU90403I2 (fr)	2000-07-07	Zofenil + zopranol
BR7904224A (pt)	1980-04-01	Conjunto de bobina eletrica
IT1123862B (it)	1986-04-30	Complesso di cateterismo
BR7902161A (pt)	1979-12-04	Estojo
SE7910145L (sv)	1980-06-17	Elektrisk spole
IT1112184B (it)	1986-01-13	Indicatore di restrizione elettrico
FI64222B (fi)	1983-06-30	Elektriskt hopvikbar mellanvaegg
IT1123351B (it)	1986-04-30	Elettromotore
BR8005252A (pt)	1981-03-04	Teclado eletrico
DK151430C (da)	1988-07-18	Elektrisk tilslutningsdaase
IT1130625B (it)	1986-06-18	Plinto elettrico
BR8004016A (pt)	1981-01-21	Contato eletrico
FI792099A7 (fi)	1980-01-04	Plastisolering foer stroemfoerande parallella skenor
IT1122103B (it)	1986-04-23	Copri-giunto per plinti elettrici
TR20427A (tr)	1981-07-02	Elektrik suepuergeleri
BR7902403A (pt)	1979-10-23	Conjunto eletrico
NO150180C (no)	1984-08-29	Elektrisk forbindelse
DK148209C (da)	1985-09-23	Elektrisk forbindelsesorgan
BR7908373A (pt)	1980-08-26	Isolador
DK147520C (da)	1985-07-22	Elektrisk forbindelsesorgan
DK393280A (da)	1981-03-18	Stroembegraenser
IT1101339B (it)	1985-09-28	Condensatore elettrico
AR219977A1 (es)	1980-09-30	Apero subsolador mejorado
IT1123988B (it)	1986-05-07	Indicatore di livello