Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 337/134
Name: Electricity: electrothermally or thermally actuated switches > Electrothermally actuated switches > With longitudinally expansible solid element (e.g., rod, wire strip, etc.) > With manual or other mechanical contact actuating means > Snap-action (e.g., bistable) > With magnetic biasing or holding means
Description: Subject matter including means whereby a field of magnetic flux is set up in the vicinity of the main contacts. The force exerted by the magnetic flux field is utilized either to detract from or add to the force exerted by a mechanical actuating means resulting in a rapid movement of the contacts upon the magnetic force or the spring force being overcome one by the other.

Patents under this class:

Patent Number Title Of Patent Date Issued
7952461 Sensor element for a fault interrupter and load break switch May. 31, 2011
5917398 Reed contact unit for an electric switch Jun. 29, 1999
4551660 Motor controlling switch device Nov. 5, 1985

  Recently Added Patents
Nucleotide sequence coding for variable regions of .beta. chains of human T lymphocyte receptors, corresponding peptide segments and the diagnostic and therapeutic uses
Method for adapting a contact point of a clutch in a drivetrain of a motor vehicle
Method of measuring specific absorption rate of electromagnetic waves
System, method and computer program product for efficient caching of hierarchical items
Voltage regulator structure that is operationally stable for both low and high capacitive loads
String changing tool with a quick connector assembly and worm gear string cutter
Systems and methods for excluding undesirable network transactions
  Randomly Featured Patents
Process for preparing 2,4-diamino-pyrimidines
Identification of activated receptors and ion channels
Guiding introducer for introducing medical devices into the coronary sinus and process for using same
Heat engine
Transferring apparatus for transfer press
Bar unscrambler
Signal control apparatus capable of readily changing an apparatus output signal
Transformer with housing and switch gear
Process for cooling a metal wire obtained from a liquid jet