IT939961B - Perfezionamento ai dispositivi supressori in ispecie per circui ti idraulici - Google Patents

Perfezionamento ai dispositivi supressori in ispecie per circui ti idraulici

Info

Publication number
IT939961B
IT939961B IT7029971A IT7029971A IT939961B IT 939961 B IT939961 B IT 939961B IT 7029971 A IT7029971 A IT 7029971A IT 7029971 A IT7029971 A IT 7029971A IT 939961 B IT939961 B IT 939961B
Authority
IT
Italy
Prior art keywords
supressor
improvement
hydraulic circuits
devices especially
devices
Prior art date
Application number
IT7029971A
Other languages
English (en)
Original Assignee
Pompes Essa Mico
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 Pompes Essa Mico filed Critical Pompes Essa Mico
Application granted granted Critical
Publication of IT939961B publication Critical patent/IT939961B/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/007Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/20Control of fluid pressure characterised by the use of electric means
    • G05D16/2006Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2066Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
    • G05D16/2073Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source with a plurality of pressure sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
IT7029971A 1970-10-22 1971-10-08 Perfezionamento ai dispositivi supressori in ispecie per circui ti idraulici IT939961B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7038264A FR2110599A5 (it) 1970-10-22 1970-10-22

Publications (1)

Publication Number Publication Date
IT939961B true IT939961B (it) 1973-02-10

Family

ID=9063167

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7029971A IT939961B (it) 1970-10-22 1971-10-08 Perfezionamento ai dispositivi supressori in ispecie per circui ti idraulici

Country Status (4)

Country Link
DE (1) DE2151885A1 (it)
FR (1) FR2110599A5 (it)
GB (1) GB1363736A (it)
IT (1) IT939961B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374538A1 (fr) * 1976-12-16 1978-07-13 Materiel Telephonique Groupe surpresseur pour liquide
CN107299894B (zh) * 2017-08-10 2018-11-30 中石化宁波工程有限公司 基于优先级选择的多台备用泵自启动逻辑控制电路

Also Published As

Publication number Publication date
DE2151885A1 (de) 1972-04-27
FR2110599A5 (it) 1972-06-02
GB1363736A (en) 1974-08-14

Similar Documents

Publication Publication Date Title
BE764990A (fr) Circuit monolithique semiconducteur
AT311092B (de) Halbleiterschaltung
CH506883A (de) Halbleiterbauelement
BE763781R (fr) Benzimidazoles
CH509667A (de) Thyristor
BE770970A (fr) Fotografische gelatinehoudende lagen met verbeterde fysische eigenschappen
CH492302A (de) Halbleiterbauelement
BE769755A (fr) Agent photo-protecteur
DE2112817B2 (de) Halbleiteranordnung
BE752378A (nl) Werkwijze voor het desoxyderen van onrustig staal
CH508279A (de) Halbleiterbauelement
CH527993A (de) Schalvorrichtung
IT939961B (it) Perfezionamento ai dispositivi supressori in ispecie per circui ti idraulici
AT303332B (de) Bauelement in Plattenform
IT940092B (it) Dispositivo di raccordo per circui to di fluido
DE1949174B2 (de) Halbleiterbauelement
BE746804A (fr) Circuits amplificateurs
DE1903082B2 (de) Halbleiterbauelement
IT939111B (it) Elemento di connessione per circui ti elettrici
CH516874A (de) Halbleiterbauelement
AR193226A1 (es) Fregadero y procedimiento de fabricacion de dicho fregadero
BR6913554D0 (pt) Determinacao de gravidez
AT314637B (de) Mehrphasige Klemmvorrichtung
CH539341A (de) Halbleiterbauelement
CH520406A (de) Thyristor