DE241700C - - Google Patents

Info

Publication number
DE241700C
DE241700C DENDAT241700D DE241700DA DE241700C DE 241700 C DE241700 C DE 241700C DE NDAT241700 D DENDAT241700 D DE NDAT241700D DE 241700D A DE241700D A DE 241700DA DE 241700 C DE241700 C DE 241700C
Authority
DE
Germany
Prior art keywords
mercury
pressure
pumps
switched
thread
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.)
Active
Application number
DENDAT241700D
Other languages
German (de)
English (en)
Publication of DE241700C publication Critical patent/DE241700C/de
Active legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/029Stopping of pumps, or operating valves, on occurrence of unwanted conditions for pumps operating in parallel
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/24Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
DENDAT241700D Active DE241700C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE241700C true DE241700C (enrdf_load_html_response)

Family

ID=500977

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT241700D Active DE241700C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE241700C (enrdf_load_html_response)

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