Patent ID: 9631579
Date: 2017-04-25
CPC Classifications: F02B,F02M,Y02T

Claim:
1. A seal assembly for a pre-chamber assembly, comprising: a pre-chamber body having an outer chamber surface; a pre-chamber tip; a seal covering area carried by the pre-chamber tip; at least one hard seal between the seal covering area of the pre-chamber tip and the pre-chamber body; at least one elastomeric seal between the seal covering area of the pre-chamber tip and the pre-chamber body; a fuel inlet passage in the pre-chamber body; a fuel discharge passage disposed in fluid communication with the fuel inlet passage; and a drill passage in the pre-chamber body adjacent to the seal covering area and aligned with the fuel discharge passage, the drill passage and the fuel discharge passage disposed at an angle other than 90 degrees with respect to the outer chamber surface of the pre-chamber body.