NO151259C - Magnetisk trykkindikator - Google Patents

Magnetisk trykkindikator

Info

Publication number: NO151259C
Authority: NO; Norway
Prior art keywords: pressure indicator; magnetic; magnetic pressure; fluid; indicating
Prior art date: 1978-10-30

Application number

NO792566A

Other languages

English (en)

Norwegian (no)

Other versions

NO792566L (no

NO151259B (no

Inventor

Bernhard F Silverwater

Charles Grimm

Original Assignee

Pall Corp

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.)

1978-10-30

Filing date

1979-08-03

Publication date

1985-03-06

1979-08-03 Application filed by Pall Corp filed Critical Pall Corp

1980-05-02 Publication of NO792566L publication Critical patent/NO792566L/no

1984-11-26 Publication of NO151259B publication Critical patent/NO151259B/no

1985-03-06 Publication of NO151259C publication Critical patent/NO151259C/no

Links

239000012530 fluid Substances 0.000 abstract 3

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)
Control Of Combustion (AREA)
Measuring Temperature Or Quantity Of Heat (AREA)
Cookers (AREA)
Hydroponics (AREA)
Filtration Of Liquid (AREA)

NO792566A 1978-10-30 1979-08-03 Magnetisk trykkindikator NO151259C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/956,291 US4172971A (en)	1978-10-30	1978-10-30	Magnetic pressure indicator with thermal lockout

Publications (3)

Publication Number	Publication Date
NO792566L NO792566L (no)	1980-05-02
NO151259B NO151259B (no)	1984-11-26
NO151259C true NO151259C (no)	1985-03-06

Family

ID=25498036

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO792566A NO151259C (no)	1978-10-30	1979-08-03	Magnetisk trykkindikator

Country Status (15)

Country	Link
US (1)	US4172971A (da)
EP (1)	EP0010569B1 (da)
JP (1)	JPS6022732B2 (da)
AT (1)	ATE4941T1 (da)
AU (1)	AU517237B2 (da)
BR (1)	BR7905259A (da)
CA (1)	CA1097990A (da)
DE (1)	DE2966252D1 (da)
DK (1)	DK147719C (da)
ES (1)	ES482129A1 (da)
FI (1)	FI66693C (da)
MX (1)	MX147388A (da)
NO (1)	NO151259C (da)
PT (1)	PT69831A (da)
ZA (1)	ZA792988B (da)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4246110A (en) *	1979-11-09	1981-01-20	J. I. Case Company	Compensating device for filter contaminant indicating system
DE3131873A1 (de) *	1980-09-20	1983-04-07	Robert Bosch Gmbh, 7000 Stuttgart	Druckgeber, insbesondere fuer ein kraftfahrzeug
WO1982002498A1 (en) *	1981-01-19	1982-08-05	Joe E Fuzzell	A temperature compensated differential fluid pressure switch
US4426952A (en)	1981-02-09	1984-01-24	Facet Enterprises, Inc.	Temperature compensated differential pressure indicating device
US4498495A (en) *	1981-08-04	1985-02-12	Pall Corporation	Magnetic differential pressure valve with an indicator showing when valve has opened or closed
US4475407A (en) *	1982-12-27	1984-10-09	Brunswick Corporation	Temperature compensated flow sensor
JPS613448U (ja) *	1984-06-13	1986-01-10	日吉工業株式会社	フイルタ−の目詰り検知装置
DE3700593A1 (de) *	1986-01-13	1987-07-16	Sharp Kk	Rotations-entwicklungsvorrichtung
US4867095A (en) *	1988-04-05	1989-09-19	Parker Hannifin Corporation	Differential pressure indicator
EP0456781B1 (fr) *	1989-10-31	1996-01-03	Le Bozec Et Gautier	Indicateur de colmatage
FR2659141B1 (fr) *	1990-03-01	1994-03-25	Lebozec Gautier	Indicateur de colmatage.
FI910694A7 (fi) *	1991-02-13	1992-08-14	Finn Filter Oy	Foerfarande och anordning foer bevakning av tryckskillnad.
US5437241A (en) *	1994-06-08	1995-08-01	Pall Corporation	Differential pressure indicator
GB2297161B (en) *	1995-01-23	1998-09-23	Pall Corp	Differential pressure indicators
GB2297620B (en) *	1995-02-06	1998-10-07	Pall Corp	Filter assemblies comprising differential pressure indicators
US6289879B1 (en)	1999-11-24	2001-09-18	Parker-Hannifin Corp.	Air eliminating return fuel recirculation valve
US7157653B1 (en)	2005-09-20	2007-01-02	Deltrol Controls	Magnetic latching switch
US8710386B2 (en) *	2011-02-04	2014-04-29	Sensata Technologies, Inc.	Fluid pressure responsive electric switch
DK3012705T3 (da) *	2014-10-22	2017-03-27	Danfoss As	Varmevekslerarrangement, varmesystem og fremgangsmåde til drift af et varmesystem
RU2625043C1 (ru) *	2016-07-08	2017-07-11	Акционерное общество Энгельсское опытно-конструкторское бюро "Сигнал" им. А.И. Глухарева	Комбинированный сигнализатор давления и температуры фильтра
CN113820195B (zh) *	2021-11-25	2022-03-08	成都宜乐芯生物科技有限公司	一种多通道并行前处理装置
CN117379853A (zh) *	2023-10-27	2024-01-12	新乡航空工业(集团)有限公司	一种具有温度锁闭功能的过滤器压差指示器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1332150A (da) *		1963-12-16
US2942572A (en) *	1958-06-17	1960-06-28	Pall Corp	Magnetic pressure indicator
US3140690A (en) *	1963-12-04	1964-07-14	Pall Corp	Magnetic pressure indicator
US3077176A (en) *	1961-04-06	1963-02-12	Pall Corp	Magnetic pressure-responsive devices
US3187711A (en) *	1963-12-19	1965-06-08	Pall Corp	Magnetic pressure indicator
US3364897A (en) *	1964-09-25	1968-01-23	Purolator Products Inc	Differential fluid pressure indicator
US3841259A (en) *	1971-06-21	1974-10-15	Parmatic Inc	Differential pressure indicator
US3785332A (en) *	1972-01-31	1974-01-15	Pall Corp	Magnetic pressure indicator
US3815542A (en) *	1972-07-27	1974-06-11	Pall Corp	Magnetic pressure indicator
US4026153A (en) *	1975-08-08	1977-05-31	Pall Corporation	Magnetic pressure indicator with sampling ports

1978
- 1978-10-30 US US05/956,291 patent/US4172971A/en not_active Expired - Lifetime
1979
- 1979-05-23 CA CA328,128A patent/CA1097990A/en not_active Expired
- 1979-06-05 AU AU47839/79A patent/AU517237B2/en not_active Ceased
- 1979-06-12 MX MX178031A patent/MX147388A/es unknown
- 1979-06-15 ZA ZA792988A patent/ZA792988B/xx unknown
- 1979-06-18 EP EP79101998A patent/EP0010569B1/en not_active Expired
- 1979-06-18 AT AT79101998T patent/ATE4941T1/de not_active IP Right Cessation
- 1979-06-18 DE DE7979101998T patent/DE2966252D1/de not_active Expired
- 1979-06-27 PT PT69831A patent/PT69831A/pt unknown
- 1979-07-03 ES ES482129A patent/ES482129A1/es not_active Expired
- 1979-07-11 JP JP54087994A patent/JPS6022732B2/ja not_active Expired
- 1979-08-03 NO NO792566A patent/NO151259C/no unknown
- 1979-08-08 FI FI792468A patent/FI66693C/fi not_active IP Right Cessation
- 1979-08-16 BR BR7905259A patent/BR7905259A/pt unknown
- 1979-08-30 DK DK364179A patent/DK147719C/da not_active IP Right Cessation

Also Published As

Publication number	Publication date
DK147719C (da)	1985-05-13
FI66693C (fi)	1984-11-12
PT69831A (en)	1979-07-01
NO792566L (no)	1980-05-02
EP0010569A1 (en)	1980-05-14
EP0010569B1 (en)	1983-10-05
JPS5560831A (en)	1980-05-08
DE2966252D1 (en)	1983-11-10
FI792468A7 (fi)	1980-05-01
AU517237B2 (en)	1981-07-16
DK147719B (da)	1984-11-19
AU4783979A (en)	1980-05-08
ZA792988B (en)	1980-08-27
US4172971A (en)	1979-10-30
MX147388A (es)	1982-11-26
DK364179A (da)	1980-05-01
BR7905259A (pt)	1980-05-06
CA1097990A (en)	1981-03-24
FI66693B (fi)	1984-07-31
ES482129A1 (es)	1980-02-16
NO151259B (no)	1984-11-26
JPS6022732B2 (ja)	1985-06-04
ATE4941T1 (de)	1983-10-15

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