CA1017260A - Device for warning of absent filter element - Google Patents

Device for warning of absent filter element

Info

Publication number
CA1017260A
CA1017260A CA197,994A CA197994A CA1017260A CA 1017260 A CA1017260 A CA 1017260A CA 197994 A CA197994 A CA 197994A CA 1017260 A CA1017260 A CA 1017260A
Authority
CA
Canada
Prior art keywords
warning
filter element
absent
absent filter
filter
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA197,994A
Other languages
English (en)
Other versions
CA197994S (en
Inventor
Mackellar K. Graham
Ronald A. Aspinwall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sperry Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of CA1017260A publication Critical patent/CA1017260A/en
Expired legal-status Critical Current

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
    • 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
    • B01D35/147—Bypass or safety valves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtration Of Liquid (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Measuring Fluid Pressure (AREA)
CA197,994A 1973-07-25 1974-04-23 Device for warning of absent filter element Expired CA1017260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US382405A US3879289A (en) 1973-07-25 1973-07-25 Power transmission

Publications (1)

Publication Number Publication Date
CA1017260A true CA1017260A (en) 1977-09-13

Family

ID=23508807

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197,994A Expired CA1017260A (en) 1973-07-25 1974-04-23 Device for warning of absent filter element

Country Status (9)

Country Link
US (1) US3879289A (ja)
JP (1) JPS5334022B2 (ja)
AU (1) AU474058B2 (ja)
CA (1) CA1017260A (ja)
FR (1) FR2238516B1 (ja)
GB (1) GB1474797A (ja)
IN (1) IN142654B (ja)
IT (1) IT1005981B (ja)
SE (1) SE396289B (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE432887B (sv) * 1976-03-23 1984-04-30 Rosaen Nils O Vetskefiltreringsanordning
US4179372A (en) * 1978-11-08 1979-12-18 Rosaen Nils O Fluid filtering device
US4818385A (en) * 1987-08-31 1989-04-04 Medley Iii Frank W Filter with high pressure indicator
WO1994020784A1 (en) * 1993-03-05 1994-09-15 Sheringham Investments Pty. Ltd. Dispenser for hot and cold water
GB2327195A (en) * 1997-07-15 1999-01-20 Rolls Royce Plc Filtration system with bypass
US6286545B1 (en) 2000-02-02 2001-09-11 Daimlerchrysler Corporation Power steering fluid reservoir
JP4048043B2 (ja) * 2001-11-02 2008-02-13 日揮株式会社 硫化カルボニル及びシアン化水素の分解触媒及び分解方法
DE102019204596A1 (de) * 2019-04-01 2020-10-01 Filtration Group Gmbh Filterelementanzeige

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729339A (en) * 1953-08-28 1956-01-03 Purolator Products Inc Automatic discriminatory clogging detector for oil filters
US3314542A (en) * 1964-12-10 1967-04-18 Marvel Eng Co Reservoir filter structure having a by-pass valve
US3464556A (en) * 1968-03-11 1969-09-02 Dollinger Corp Filter with by-pass valve and indicator
US3501005A (en) * 1969-05-19 1970-03-17 American Mach & Foundry Hydraulic filter cartridge with indicator
US3545616A (en) * 1969-09-05 1970-12-08 Sperry Rand Corp Filter and indicator means

Also Published As

Publication number Publication date
JPS5033560A (ja) 1975-03-31
AU6743374A (en) 1975-10-02
IT1005981B (it) 1976-09-30
FR2238516B1 (ja) 1981-02-06
GB1474797A (en) 1977-05-25
SE396289B (sv) 1977-09-19
JPS5334022B2 (ja) 1978-09-18
DE2432297A1 (de) 1975-02-13
AU474058B2 (en) 1976-07-15
FR2238516A1 (ja) 1975-02-21
IN142654B (ja) 1977-08-06
DE2432297B2 (de) 1976-01-22
SE7408793L (ja) 1975-01-27
US3879289A (en) 1975-04-22

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