FR2488346B1 - - Google Patents

Info

Publication number
FR2488346B1
FR2488346B1 FR8017358A FR8017358A FR2488346B1 FR 2488346 B1 FR2488346 B1 FR 2488346B1 FR 8017358 A FR8017358 A FR 8017358A FR 8017358 A FR8017358 A FR 8017358A FR 2488346 B1 FR2488346 B1 FR 2488346B1
Authority
FR
France
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
FR8017358A
Other languages
French (fr)
Other versions
FR2488346A1 (en
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.)
ELECTRO HYDRAULIQUE SEH
Original Assignee
ELECTRO HYDRAULIQUE SEH
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 ELECTRO HYDRAULIQUE SEH filed Critical ELECTRO HYDRAULIQUE SEH
Priority to FR8017358A priority Critical patent/FR2488346A1/en
Publication of FR2488346A1 publication Critical patent/FR2488346A1/en
Application granted granted Critical
Publication of FR2488346B1 publication Critical patent/FR2488346B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0027—Varying behaviour or the very pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0027—Varying behaviour or the very pump
    • F04D15/0038—Varying behaviour or the very pump by varying the effective cross-sectional area of flow through the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR8017358A 1980-08-06 1980-08-06 Single-stage centrifugal pump for liq - has outlet cross=section limiting specific speed to maximum of ten Granted FR2488346A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8017358A FR2488346A1 (en) 1980-08-06 1980-08-06 Single-stage centrifugal pump for liq - has outlet cross=section limiting specific speed to maximum of ten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8017358A FR2488346A1 (en) 1980-08-06 1980-08-06 Single-stage centrifugal pump for liq - has outlet cross=section limiting specific speed to maximum of ten

Publications (2)

Publication Number Publication Date
FR2488346A1 FR2488346A1 (en) 1982-02-12
FR2488346B1 true FR2488346B1 (en) 1984-05-04

Family

ID=9244950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8017358A Granted FR2488346A1 (en) 1980-08-06 1980-08-06 Single-stage centrifugal pump for liq - has outlet cross=section limiting specific speed to maximum of ten

Country Status (1)

Country Link
FR (1) FR2488346A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE570418C (en) * 1930-10-17 1933-02-15 Siemens Schuckertwerke Akt Ges Regulator with centrifugal pump station and flow rate slide

Also Published As

Publication number Publication date
FR2488346A1 (en) 1982-02-12

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
TP Transmission of property
ST Notification of lapse