Internal combustion engine with high squish piston

Internal combustion engine with high squish piston

  • CN 101,684,761 B
  • Filed: 08/07/2009
  • Issued: 06/10/2015
  • Est. Priority Date: 09/24/2008
  • Status: Active Grant
First Claim
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1. an internal-combustion engine, comprising:

  • One has at least one for receiving the cylinder body of the cylinder of a piston;

    One cylindrical piston, it to-and-fro motion can contain a combustion incident of air and the amount of fuel from a sparger injection in described cylinder with respond packet, described sparger provides fuel oil to inject with a radiation, non-eddy current pattern from a middle position;

    One fuel injector, it is with a metering and the amount of timing injects fuel in firing chamber;

    Described piston has a top formed to described firing chamber in its end face, described top has a circular groove, described circular groove has a central axis coaxial with the described middle position at described sparger place and a center of inside top portion, this central top is divided relative to described central axis shape at angle, angle between the path that described center of inside top portion and fuel oil inject is between 0-5 degree, described circular groove also comprises exterior section bending on, this bending exterior section is around curved surface and towards described central axis guiding by the air of piston compression, to mix with described fuel oil and pinnacle along described center of inside top portion is guided, wherein, the outer diameter of described circular groove is not more than 40% of described piston diameter.

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