Patent ID: 6125810
Filing Date: 2000-10-03
Classification: F01L

Abstract:
A valve guide assembly for an internal combustion engine comprising:a first valve guide sleeve and a second valve guide sleeve;each of said first and said second valve guide sleeves formed of a ceramic material and having a through bore for receiving a stem of a valve;each of said through bores including a guide bore having a first diameter and coaxially aligned with a secondary bore having a second diameter, said first diameter being smaller than said second diameter;an annular spacer, said annular spacer located between said first and said second valve guide sleeve, said annular spacer having a spacer bore coaxially aligned with said through bores of said first and said second valve guide sleeve, and said secondary bore of each of said first and said second valve guide sleeve abutting against said annular spacer; andsaid secondary bore of said first valve guide sleeve and said secondary bore of said second valve guide sleeve secured adjacent to said annular spacer and said through bore of said first valve guide sleeve coaxially aligned with said through bore of said second valve guide sleeve.