IT1089877B - Dispositivo di sicurezza destinato ad interrompere il funzionamento di un apparecchio azionato da un motore elettrico - Google Patents

Dispositivo di sicurezza destinato ad interrompere il funzionamento di un apparecchio azionato da un motore elettrico

Info

Publication number
IT1089877B
IT1089877B IT50934/77A IT5093477A IT1089877B IT 1089877 B IT1089877 B IT 1089877B IT 50934/77 A IT50934/77 A IT 50934/77A IT 5093477 A IT5093477 A IT 5093477A IT 1089877 B IT1089877 B IT 1089877B
Authority
IT
Italy
Prior art keywords
interrupt
electric motor
safety device
device intended
appliance operated
Prior art date
Application number
IT50934/77A
Other languages
English (en)
Original Assignee
Seb Sa
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 Seb Sa filed Critical Seb Sa
Application granted granted Critical
Publication of IT1089877B publication Critical patent/IT1089877B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H02H5/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays responsive to the entry or leakage of a liquid into an electrical appliance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/186—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/42—Switches operated by change of humidity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Food-Manufacturing Devices (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Protection Of Generators And Motors (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Motor Or Generator Frames (AREA)
IT50934/77A 1976-09-14 1977-09-08 Dispositivo di sicurezza destinato ad interrompere il funzionamento di un apparecchio azionato da un motore elettrico IT1089877B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7627587A FR2364557A1 (fr) 1976-09-14 1976-09-14 Dispositif de securite destine a interrompre le fonctionnement d'un appareil actionne par un moteur electrique

Publications (1)

Publication Number Publication Date
IT1089877B true IT1089877B (it) 1985-06-18

Family

ID=9177657

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50934/77A IT1089877B (it) 1976-09-14 1977-09-08 Dispositivo di sicurezza destinato ad interrompere il funzionamento di un apparecchio azionato da un motore elettrico

Country Status (9)

Country Link
US (1) US4133016A (it)
JP (1) JPS5335943A (it)
BE (1) BE857918A (it)
DE (1) DE2740781C3 (it)
ES (1) ES462313A1 (it)
FR (1) FR2364557A1 (it)
GB (1) GB1545353A (it)
IT (1) IT1089877B (it)
NL (1) NL7709995A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE409662B (sv) * 1977-12-28 1979-09-03 Alfa Laval Ab Anordning for leckageindikering vid en centrifugalseparator
GB2199436A (en) * 1986-11-28 1988-07-06 B & R Electrical Prod Ltd Detection of fluid leakage
SE9202783L (sv) * 1992-09-28 1994-01-10 Flygt Ab Itt Anordning för att avkänna förekomst av fukt i ett utrymme samt sätt att tillverka en sådan anordning
US5425579A (en) * 1994-08-15 1995-06-20 Sampson; Edwin J. Beverage pitcher with agitator
DE10222376A1 (de) * 2002-05-21 2003-12-04 Vorwerk Co Interholding Elektromotorisch betriebenes Küchengerät
US7627960B2 (en) * 2003-06-30 2009-12-08 General Electric Company Clothes dryer drum projections
GB201811648D0 (en) * 2018-07-16 2018-08-29 Parfitt Anthony D Electrical safety device and system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1272308A (en) * 1917-03-21 1918-07-09 Victor Parker Rain-signal.
DE2154982A1 (de) * 1971-10-29 1973-05-03 Sarlin Ab Oy E Vorrichtung zum schutz eines tauchpumpenmotors
US3914752A (en) 1973-06-04 1975-10-21 Exxon Production Research Co Pump alarm system
US3979569A (en) * 1975-07-28 1976-09-07 Michael Bilgrei Water level sensing device having rupturable hygroscopic-type switch actuator

Also Published As

Publication number Publication date
FR2364557A1 (fr) 1978-04-07
JPS5335943A (en) 1978-04-03
BE857918A (fr) 1978-02-20
GB1545353A (en) 1979-05-10
ES462313A1 (es) 1978-06-01
DE2740781B2 (de) 1979-04-26
DE2740781A1 (de) 1978-03-16
FR2364557B1 (it) 1979-01-12
US4133016A (en) 1979-01-02
NL7709995A (nl) 1978-03-16
DE2740781C3 (de) 1979-12-20

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