Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Self-holding type solenoid-operated valve










Image Number 5 for United States Patent #6691740.

A self-holding type solenoid-operated valve comprises a single coil which is wound around a bobbin in one direction, a movable iron core which is disposed coaxially with a fixed iron core, a first spring which urges the movable iron core away from the fixed iron core, and an annular permanent magnet which is installed to a portion at which an end of the fixed iron core and an end of the movable iron core are opposed to one another. The annular permanent magnet partially surrounds the outer circumferential surfaces of the fixed iron core and the movable iron core.








 
 
  Recently Added Patents
Security authentication method, apparatus, and system
Image processing apparatus and image processing method
Dual work function recessed access device and methods of forming
Measurement system service for a vehicle instrument panel
Timepiece
Advanced joint detection in a TD-SCDMA system
ESD protection device and method for producing the same
  Randomly Featured Patents
Ophthalmic instrument for removing foreign objects
Sensor system for an in-line inspection tool
Method for testing word line leakage in a semiconductor memory device
Thin film transistor array substrate and manufacturing method thereof
Efficient charge transfer structure in large pitch charge coupled device
Activation of a Diels-Alder reaction of a sterol 5,7-diene
Hand-held vacuum cleaner
Sales slip wallet
Emergency smoke hood and breathing mask
Slicer input and feedback filter contents for block coded digital communications