Resources Contact Us Home
Spark plug for an internal combustion engine

Image Number 5 for United States Patent #6794803.

At least one of a center electrode and a ground electrode of an engine spark plug is a Ni-base alloy containing, in weight percentage, 0.5.about.2.5% Si, 0.1.about.1.2% Mn, 3.2.about.5.0% Al, 0.9.about.2.8% Cr, 0.001.about.0.025% C in addition to Ni and unavoidable impurities. And, a value S/V is in a range from 1.7 mm.sup.-1 to 3.9 mm.sup.-1 when `S` represents a surface area of the ground electrode and `V` represents a volume of the ground electrode.

  Recently Added Patents
Systems and methods for cryopreservation of cells
Matching engine for comparing data feeds with user profile criteria
Myoglobin blooming agents, films, packages and methods for packaging
Forming agent for gate insulating film of thin film transistor
Prompt gap varying optical filter, analytical instrument, optical device, and characteristic measurement method
High voltage circuit for electrical stimulation
  Randomly Featured Patents
Treatment of ischemic brain injury
Method and apparatus for cutting a keyway in a mill roll
Device for converting the axial movement of cylindrical rod-shaped objects into a lateral translation
Triazine ring-containing polymer and film-forming composition comprising same
Trenching and edging system
Shoe insert
Process for manufacturing intraocular lenses with blue light absorption characteristics
Synch responsive agc utilizing A-D converter
Flight training and synthetic visualization system and method
Methods and systems for restoring file systems