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
Jacket liner
Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities
Trimming circuit and semiconductor device
Process for the production of electric energy by the excitation and capture of electrons from ground or water sources
Random sampling for geophysical acquisitions
Biological analysis arrangement and approach therefor
Power transmission control device for vehicle
  Randomly Featured Patents
Rod assembly connector for mounting light emitting display apparatuses
Polymer blend having low compression set
Defect mitigation in spatial light modulator used for dynamic photolithography
Method and device to improve the probability of validity of the codes of secondary radar responses
Horizontal deflection circuit including protection for output transistor
Superconducting latch driver circuit generating sufficient output voltage and pulse-width
Roof tile having simulated wood appearance
Stepped frequency radar device
Handle for utensils
Card connector