IT1048373B - Perfezionamento nelle valvole a comando bidirezionale per sistemi idrostatici - Google Patents

Perfezionamento nelle valvole a comando bidirezionale per sistemi idrostatici

Info

Publication number
IT1048373B
IT1048373B IT52046/75A IT5204675A IT1048373B IT 1048373 B IT1048373 B IT 1048373B IT 52046/75 A IT52046/75 A IT 52046/75A IT 5204675 A IT5204675 A IT 5204675A IT 1048373 B IT1048373 B IT 1048373B
Authority
IT
Italy
Prior art keywords
improvement
control valves
bidirectional control
hydrostatic systems
hydrostatic
Prior art date
Application number
IT52046/75A
Other languages
English (en)
Italian (it)
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 IT1048373B publication Critical patent/IT1048373B/it

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)
  • Safety Valves (AREA)
  • Filtration Of Liquid (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
IT52046/75A 1974-10-31 1975-10-31 Perfezionamento nelle valvole a comando bidirezionale per sistemi idrostatici IT1048373B (it)

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
IT1048373B true IT1048373B (it) 1980-11-20

Family

ID=24069551

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52046/75A IT1048373B (it) 1974-10-31 1975-10-31 Perfezionamento nelle valvole a comando bidirezionale per sistemi idrostatici

Country Status (10)

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

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
ZA756798B (en) 1976-10-27
DK154911C (da) 1989-05-29
CA1019223A (en) 1977-10-18
ES442231A2 (es) 1977-09-01
SE419792B (sv) 1981-08-24
SE7512084L (sv) 1976-05-03
DK154911B (da) 1989-01-02
FI753036A7 (enExample) 1976-05-01
FI61083B (fi) 1982-01-29
BR7507173A (pt) 1976-08-10
CH609760A5 (en) 1979-03-15
JPS5916148B2 (ja) 1984-04-13
AU8615075A (en) 1977-05-05
FI61083C (fi) 1982-05-10
DK488375A (da) 1976-05-01
JPS5195672A (enExample) 1976-08-21

Similar Documents

Publication Publication Date Title
IL44502A (en) Flow restrictor for irrigation systems
IT996263B (it) Perfezionamento nelle disposizioni di fomre a portata variabile per sistemi idraulici
AU8588175A (en) Flow control device
IT979832B (it) Perfezionamento nelle valvole per sistemi idraulici
SE414419B (sv) Hydrauliskt styrsystem
IS2276A7 (is) Kerfi til að stjórna vökvabúnaði
IT1047607B (it) Perfezionamento nelle valvole a farfalla
IT1013491B (it) Perfezionamento nelle valvole bidirezionali bilanciate per alte pressioni
GB1504772A (en) Speed control systems
IT1011336B (it) Perfezionamento nelle valvole a comando bidirezionale per sistemi idrostatici
IT994812B (it) Perfezionamento nelle tubazioni per sistemi antincendio
GB1491382A (en) Adjustable pump provided with a control device
AT340519B (de) Hydraulische abstromsteuervorrichtung
IT1049094B (it) Perfezionamenti apportati ai sistemi di comando per macchine idrauliche a cilindrata variabile
IT994326B (it) Perfezionamento nelle valvole adatte in particolare per sistemi a vuoto o depressione
SE395581B (sv) Kontrollanordning i en skyddskappkopplingsanleggning
ZA751360B (en) Improvements in speed control devices
ZA75639B (en) A control valve system and valve arrangement therefor
CA982020A (en) Control device for load-independent flow regulation
IT1047750B (it) Perfezionamento nelle valvole di comando per sistemi idraulici
IT940744B (it) Miglioramenti relativi a sistemi di controllo per dispositivi idro cinetici
IL47883A0 (en) Prime mover speed control system
IT1048373B (it) Perfezionamento nelle valvole a comando bidirezionale per sistemi idrostatici
IT1040988B (it) Perfezionamento nei sistemi di comando idraulici
IT1035983B (it) Perfezionamento nelle valvole di sucurezza per sistemi a fluido

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941027