FI66694C - Magnetisk tryckindikator - Google Patents

Magnetisk tryckindikator Download PDF

Info

Publication number
FI66694C
FI66694C FI792661A FI792661A FI66694C FI 66694 C FI66694 C FI 66694C FI 792661 A FI792661 A FI 792661A FI 792661 A FI792661 A FI 792661A FI 66694 C FI66694 C FI 66694C
Authority
FI
Finland
Prior art keywords
magnet
magnetic
indicator
magnets
pressure
Prior art date
Application number
FI792661A
Other languages
English (en)
Finnish (fi)
Other versions
FI792661A (fi
FI66694B (fi
Inventor
Bernard 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.)
Filing date
Publication date
Application filed by Pall Corp filed Critical Pall Corp
Publication of FI792661A publication Critical patent/FI792661A/fi
Application granted granted Critical
Publication of FI66694B publication Critical patent/FI66694B/fi
Publication of FI66694C publication Critical patent/FI66694C/fi

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering 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
    • B01D35/14Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143Filter condition indicators
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S116/00Signals and indicators
    • Y10S116/42Oil filter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Fluid Pressure (AREA)
FI792661A 1978-08-28 1979-08-27 Magnetisk tryckindikator FI66694C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/937,669 US4203384A (en) 1978-08-28 1978-08-28 Magnetic pressure indicator with deactuator for bimetallic temperature-sensitive elements
US93766978 1978-08-28

Publications (3)

Publication Number Publication Date
FI792661A FI792661A (fi) 1980-02-29
FI66694B FI66694B (fi) 1984-07-31
FI66694C true FI66694C (fi) 1984-11-12

Family

ID=25470241

Family Applications (1)

Application Number Title Priority Date Filing Date
FI792661A FI66694C (fi) 1978-08-28 1979-08-27 Magnetisk tryckindikator

Country Status (13)

Country Link
US (1) US4203384A (da)
EP (1) EP0009612B1 (da)
JP (1) JPS5532000A (da)
AU (1) AU516606B2 (da)
BR (1) BR7905478A (da)
CA (1) CA1119837A (da)
DE (1) DE2962451D1 (da)
DK (1) DK147696C (da)
ES (1) ES483675A1 (da)
FI (1) FI66694C (da)
NO (1) NO155216C (da)
PT (1) PT70123A (da)
ZA (1) ZA794461B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982002498A1 (en) * 1981-01-19 1982-08-05 Joe E Fuzzell A temperature compensated differential fluid pressure switch
JPS6124648U (ja) * 1984-07-18 1986-02-14 日吉工業株式会社 フイルタ−の目詰り検知装置
GB2207507A (en) * 1987-07-24 1989-02-01 Pall Europ Differential pressure sensor
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
US7886610B2 (en) * 1999-07-19 2011-02-15 Donaldson Company, Inc. Differential pressure gauge for filter
PL205248B1 (pl) * 2002-05-24 2010-03-31 Tiefenbach Control Sys Gmbh Hydrauliczny czujnik ciśnienia

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2942572A (en) * 1958-06-17 1960-06-28 Pall Corp Magnetic pressure indicator
US3187711A (en) * 1963-12-19 1965-06-08 Pall Corp Magnetic pressure indicator
US4026153A (en) * 1975-08-08 1977-05-31 Pall Corporation Magnetic pressure indicator with sampling ports

Also Published As

Publication number Publication date
FI792661A (fi) 1980-02-29
US4203384A (en) 1980-05-20
NO155216B (no) 1986-11-17
JPS5532000A (en) 1980-03-06
AU516606B2 (en) 1981-06-11
CA1119837A (en) 1982-03-16
BR7905478A (pt) 1980-05-13
NO155216C (no) 1987-03-04
EP0009612B1 (en) 1982-04-07
PT70123A (en) 1979-09-01
DK357079A (da) 1980-02-29
DK147696C (da) 1985-05-13
DK147696B (da) 1984-11-19
NO792774L (no) 1980-02-29
ES483675A1 (es) 1980-03-01
AU5032679A (en) 1980-03-06
JPH029299B2 (da) 1990-03-01
FI66694B (fi) 1984-07-31
EP0009612A1 (en) 1980-04-16
ZA794461B (en) 1980-09-24
DE2962451D1 (en) 1982-05-19

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: PALL CORPORATION