SE391240B - Magnetisk tryckindikator - Google Patents

Magnetisk tryckindikator

Info

Publication number: SE391240B
Authority: SE; Sweden
Prior art keywords: pressure indicator; magnetic pressure; magnetic; indicator; pressure
Prior art date: 1972-01-31

Application number

SE7301226A

Other languages

English (en)

Inventor

B F Silverwater

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.)

1972-01-31

Filing date

1973-01-30

Publication date

1977-02-07

1973-01-30 Application filed by Pall Corp filed Critical Pall Corp

1977-02-07 Publication of SE391240B publication Critical patent/SE391240B/sv

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder
- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets

Landscapes

Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Measuring Fluid Pressure (AREA)
Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

SE7301226A 1972-01-31 1973-01-30 Magnetisk tryckindikator SE391240B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US22226672A	1972-01-31	1972-01-31

Publications (1)

Publication Number	Publication Date
SE391240B true SE391240B (sv)	1977-02-07

Family

ID=22831552

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7301226A SE391240B (sv)	1972-01-31	1973-01-30	Magnetisk tryckindikator

Country Status (8)

Country	Link
US (1)	US3785332A (sv)
JP (1)	JPS528198B2 (sv)
CA (1)	CA993277A (sv)
DE (1)	DE2304317C3 (sv)
FR (1)	FR2170032B1 (sv)
GB (1)	GB1412023A (sv)
IT (1)	IT977149B (sv)
SE (1)	SE391240B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3974795A (en) *	1975-06-18	1976-08-17	Facet Enterprises, Inc. Filter Products Division	Differential pressure indicating device
US4026153A (en) *	1975-08-08	1977-05-31	Pall Corporation	Magnetic pressure indicator with sampling ports
US4172971A (en) *	1978-10-30	1979-10-30	Pall Corporation	Magnetic pressure indicator with thermal lockout
US4426952A (en) *	1981-02-09	1984-01-24	Facet Enterprises, Inc.	Temperature compensated differential pressure indicating device
JPS6146822U (ja) *	1984-08-30	1986-03-28	株式会社コマバ製作所	固定具
US4729339A (en) *	1986-04-21	1988-03-08	Facet Enterprises, Inc.	Pressure differential indicator with non-mechanical thermal lockout
GB2255826B (en) *	1991-05-13	1994-08-24	Pall Corp	Indicators
US5437241A (en) *	1994-06-08	1995-08-01	Pall Corporation	Differential pressure indicator
US5497725A (en) *	1994-06-17	1996-03-12	Theisen; Terry J.	Sight 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
US7204149B1 (en)	2005-12-07	2007-04-17	D-M-E Company	Apparatus for indicating pressure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3140690A (en) *	1963-12-04	1964-07-14	Pall Corp	Magnetic pressure indicator
US2942572A (en) *	1958-06-17	1960-06-28	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
US3212471A (en) *	1964-04-03	1965-10-19	Purolator Products Inc	Differential pressure indicator
US3568625A (en) *	1968-11-05	1971-03-09	Fairfield Facility Commercial	Differential pressure indicator

1972
- 1972-01-31 US US00222266A patent/US3785332A/en not_active Expired - Lifetime
1973
- 1973-01-29 CA CA162,299A patent/CA993277A/en not_active Expired
- 1973-01-30 DE DE2304317A patent/DE2304317C3/de not_active Expired
- 1973-01-30 FR FR7303251A patent/FR2170032B1/fr not_active Expired
- 1973-01-30 GB GB465273A patent/GB1412023A/en not_active Expired
- 1973-01-30 IT IT47974/73A patent/IT977149B/it active
- 1973-01-30 SE SE7301226A patent/SE391240B/sv unknown
- 1973-01-31 JP JP48012799A patent/JPS528198B2/ja not_active Expired

Also Published As

Publication number	Publication date
DE2304317C3 (de)	1980-01-10
DE2304317A1 (de)	1973-08-09
FR2170032B1 (sv)	1977-07-29
JPS528198B2 (sv)	1977-03-07
US3785332A (en)	1974-01-15
JPS4888979A (sv)	1973-11-21
IT977149B (it)	1974-09-10
FR2170032A1 (sv)	1973-09-14
CA993277A (en)	1976-07-20
DE2304317B2 (de)	1979-05-10
GB1412023A (en)	1975-10-29

Publication	Publication Date	Title
IT973111B (it)	1974-06-10	Valvola magnetica
DK145766C (da)	1983-08-08	Magnetisk trykindikator
CH537013A (de)	1973-05-15	Druckmesswandler
SE380920B (sv)	1975-11-17	Indikeringsanordning
AT318032B (de)	1974-09-25	Schallwandler
IT993820B (it)	1975-09-30	Trasduttore magnetico perfezionato
BE806212A (fr)	1974-02-15	Transducteurs magnetiques perfectionnes
AT337072B (de)	1977-06-10	Druckbehalter
BE801293A (fr)	1973-10-15	Transducteur
SE391240B (sv)	1977-02-07	Magnetisk tryckindikator
AT329332B (de)	1976-05-10	Rohrleitungskompensator
AT324782B (de)	1975-09-25	Rohrleitung
AT340468B (de)	1977-12-12	Druckmessdose
BR7308972D0 (pt)	1974-08-22	Pneumaticos
AT341804B (de)	1978-02-27	Niederdruckmesswandler
SE394768B (sv)	1977-07-04	Cirkulator
BR7301195D0 (pt)	1974-08-22	Arranjo magnetico
IT996359B (it)	1975-12-10	Valvola magnetica
IT1001773B (it)	1976-04-30	Indicatore di erosione
SE404428B (sv)	1978-10-02	Nivaindikator
DK140030C (da)	1979-11-05	Stillingsindikator
SE408438B (sv)	1979-06-11	Under tryck verkande massasil
DK146000C (da)	1983-10-10	Elektroakustisk transducer
IT987413B (it)	1975-02-20	Raccordo per manometro
IT996618B (it)	1975-12-10	Cartellone indicatore