Resources Contact Us Home
Engine starting and charging device

Image Number 2 for United States Patent #4894553.

A field coil is divided into the plural number, and each of these field coils is connected in parallel in relation to a battery at the time of engine starting, and in series during the generation of the electric current after engine starting, so that sufficient field electromotive force can be maintained in the event of a battery voltage drop during engine starting, and also a necessary, sufficient field electromotive force can be produced with little current at the time of voltage recovery during generator operation. Consequently, the amount of copper to be used for the field coils and a winding space can be decreased; therefore the present invention is effective to provide a light-weight, small and unexpensive engine starting and charging device.

  Recently Added Patents
Peer-to-peer method of deploying and managing executable code and associated plug-ins
Universal data-driven computer proxy
Sterilizable film for aseptic packaging
Method for facilitating assessment of a coursework answer and moderating the assessment
Digital broadcasting system and method of processing data in digital broadcasting system
Smart television system having methods or means for accessing paid or subscribed digital content from the internet
Perception-based artifact quantification for volume rendering
  Randomly Featured Patents
Electrical connector
Golf swing training device
Fuel pumping apparatus
Enhanced DC electric main engine start system
Collapsible playyard
Machine for opening dies for extruding aluminum and alloys thereof
Composite upholstery fabric and method of forming same
Microwave level gaging system
Method for design and verification of safety critical systems
Solvent-stable semipermeable composite membranes