IT1112184B - Indicatore di restrizione elettrico - Google Patents
Indicatore di restrizione elettricoInfo
- Publication number
- IT1112184B IT1112184B IT20512/79A IT2051279A IT1112184B IT 1112184 B IT1112184 B IT 1112184B IT 20512/79 A IT20512/79 A IT 20512/79A IT 2051279 A IT2051279 A IT 2051279A IT 1112184 B IT1112184 B IT 1112184B
- Authority
- IT
- Italy
- Prior art keywords
- restriction indicator
- electric restriction
- electric
- indicator
- restriction
- Prior art date
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)
- Measuring Fluid Pressure (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
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)
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 |
ATE132388T1 (de) * | 1989-10-31 | 1996-01-15 | Lebozec & Gautier | Verstopfungsindikator |
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 |
AU709849B2 (en) * | 1995-08-04 | 1999-09-09 | Donaldson Company Inc. | Restriction indicator for air cleaners |
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 |
JP2008531241A (ja) | 2005-01-28 | 2008-08-14 | エンジニアード プロダクツ カンパニー | フィルタ監視用の無ロックスイッチ |
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 |
WO2018129067A1 (en) | 2017-01-04 | 2018-07-12 | Cummins Filtration Ip, Inc. | A filter assembly with a diffuser |
DE112019003381T5 (de) * | 2018-07-02 | 2021-03-25 | Cummins Filtration Ip, Inc. | Restriktionsanzeigevorrichtung für filterbaugruppe |
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)
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 GB GB7906364A patent/GB2018431B/en not_active Expired
- 1979-02-22 DE DE19797904887U patent/DE7904887U1/de not_active Expired
- 1979-02-22 DE DE19792906784 patent/DE2906784A1/de not_active Withdrawn
- 1979-02-22 ZA ZA79843A patent/ZA79843B/xx unknown
- 1979-02-22 BE BE6/46764A patent/BE874383A/xx not_active IP Right Cessation
- 1979-02-23 BR BR7901210A patent/BR7901210A/pt unknown
- 1979-02-23 AU AU44551/79A patent/AU503378B1/en not_active Ceased
- 1979-02-23 IT IT20512/79A patent/IT1112184B/it active
- 1979-02-24 JP JP2128079A patent/JPS557683A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2418011B1 (it) | 1984-04-13 |
IT7920512A0 (it) | 1979-02-23 |
DE2906784A1 (de) | 1979-09-13 |
BR7901210A (pt) | 1979-10-02 |
DE7904887U1 (de) | 1979-07-19 |
GB2018431B (en) | 1983-02-23 |
AU503378B1 (en) | 1979-08-30 |
GB2018431A (en) | 1979-10-17 |
FR2418011A1 (fr) | 1979-09-21 |
ZA79843B (en) | 1980-03-26 |
US4189724A (en) | 1980-02-19 |
BE874383A (fr) | 1979-08-22 |
JPS557683A (en) | 1980-01-19 |
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