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
Image descriptor quantization
Zoom lens
Techniques for distributed storage aggregation
Systems and methods for automobile accident claims initiation
Single well reservoir characterization apparatus and methods
Lens system
Placental tissue grafts
  Randomly Featured Patents
Method and apparatus for apportioning call charges
Pulley
Seat
Display screen with portion of a transitional graphical user interface
Method of affinity purifying proteins using modified bis-arsenical fluorescein
Method of manufacturing semiconductor substrate and method of manufacturing semiconductor device
Method of matching hedge funds and investors and apparatus therefor
Stream processing apparatus
Dielectric filter, dielectric duplexer, and communication device, with non-electrode coupling parts
Liquid crystal display device and fabricating method thereof