Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
  • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
  • H02H3/02—Details
  • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
  • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23N—REGULATING OR CONTROLLING COMBUSTION
  • F23N5/00—Systems for controlling combustion
  • F23N5/20—Systems for controlling combustion with a time program acting through electrical means, e.g. using time-delay relays
  • F23N5/203—Systems for controlling combustion with a time program acting through electrical means, e.g. using time-delay relays using electronic means
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23N—REGULATING OR CONTROLLING COMBUSTION
  • F23N2227/00—Ignition or checking
  • F23N2227/18—Applying test signals, e.g. periodic

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Relay Circuits (AREA)
• Regulation And Control Of Combustion (AREA)

Priority Applications (3)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4308695

Family Applications (1)

Country Status (2)

• 1974
  • 1974-05-09 CH CH638274A patent/CH571272A5/xx not_active IP Right Cessation
• 1975
  • 1975-05-05 GB GB1879075A patent/GB1469498A/en not_active Expired

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