Pre-chamber

摘要

A pre-chamber is provided. In one embodiment, the pre-chamber is part of a two-stroke combustion engine having a cylinder head with a sparkplug receptacle that has a generally frustoconical shape, and the pre-chamber is coupled to the sparkplug receptacle. The pre-chamber may include a cooling jacket with a generally frustoconical shape and a combustion chamber having an upper zone and a lower zone, which may be narrower than the upper zone.

主权项

1. A system, comprising:
a cylinder head having a first side with a mounting interface configured to removably couple to a cylinder of an engine, wherein the cylinder head comprises:
first and second receptacles in a second side, wherein the first and second receptacles are angled inwardly toward one another from the second side toward the first side of the cylinder head; anda dome-shaped volume recessed into the first side of the cylinder head in fluid communication with the first and receptacles, wherein the dome-shaped volume extends across a central axis of the cylinder head, and a depth of the dome-shaped volume increases toward the central axis; and a first pre-combustion chamber removably coupled to the first receptacle.