CA1019223A - Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same - Google Patents

Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same

Info

Publication number
CA1019223A
CA1019223A CA238,636A CA238636A CA1019223A CA 1019223 A CA1019223 A CA 1019223A CA 238636 A CA238636 A CA 238636A CA 1019223 A CA1019223 A CA 1019223A
Authority
CA
Canada
Prior art keywords
same
filter assemblies
systems containing
dual coaxial
bidirectional valves
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
CA238,636A
Other languages
English (en)
French (fr)
Inventor
Roydon B. Cooper
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.)
Pall Corp
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
Priority claimed from US05/519,732 external-priority patent/US3985652A/en
Application filed by Pall Corp filed Critical Pall Corp
Application granted granted Critical
Publication of CA1019223A publication Critical patent/CA1019223A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • 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
    • B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
    • 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
    • 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
    • B01D35/15—Bidirectional working filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Filtration Of Liquid (AREA)
  • Safety Valves (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
CA238,636A 1974-10-31 1975-10-30 Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same Expired CA1019223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/519,732 US3985652A (en) 1973-05-01 1974-10-31 Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same

Publications (1)

Publication Number Publication Date
CA1019223A true CA1019223A (en) 1977-10-18

Family

ID=24069551

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238,636A Expired CA1019223A (en) 1974-10-31 1975-10-30 Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same

Country Status (10)

Country Link
JP (1) JPS5916148B2 (enrdf_load_stackoverflow)
BR (1) BR7507173A (enrdf_load_stackoverflow)
CA (1) CA1019223A (enrdf_load_stackoverflow)
CH (1) CH609760A5 (enrdf_load_stackoverflow)
DK (1) DK154911C (enrdf_load_stackoverflow)
ES (1) ES442231A2 (enrdf_load_stackoverflow)
FI (1) FI61083C (enrdf_load_stackoverflow)
IT (1) IT1048373B (enrdf_load_stackoverflow)
SE (1) SE419792B (enrdf_load_stackoverflow)
ZA (1) ZA756798B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111043108A (zh) * 2019-12-25 2020-04-21 深圳市群卜鸿科技有限公司 一种具有杂质过滤功能的工作稳定的液压站

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289841A (en) * 1962-12-26 1966-12-06 Michigan Dynamics Inc Bidirectional filter
US3322281A (en) * 1964-08-07 1967-05-30 Gen Electric Filter assembly having plural check valves

Also Published As

Publication number Publication date
BR7507173A (pt) 1976-08-10
FI753036A7 (enrdf_load_stackoverflow) 1976-05-01
ES442231A2 (es) 1977-09-01
FI61083B (fi) 1982-01-29
SE419792B (sv) 1981-08-24
FI61083C (fi) 1982-05-10
SE7512084L (sv) 1976-05-03
CH609760A5 (en) 1979-03-15
IT1048373B (it) 1980-11-20
ZA756798B (en) 1976-10-27
DK154911B (da) 1989-01-02
JPS5195672A (enrdf_load_stackoverflow) 1976-08-21
DK488375A (da) 1976-05-01
JPS5916148B2 (ja) 1984-04-13
AU8615075A (en) 1977-05-05
DK154911C (da) 1989-05-29

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