Pre-combustion chamber for internal combustion engine and method of manufacture thereof

  • US 5,662,082 A
  • Filed: 12/05/1995
  • Issued: 09/02/1997
  • Est. Priority Date: 12/05/1995
  • Status: Expired due to Term
First Claim
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1. A pre-combustion chamber apparatus adapted to be retrofit into the spark plug well of an existing engine, the precombustion chamber including:

  • a. an inner combustion chamber housing have a fuel inlet and an igniter connector, the inner combustion chamber housing including an outer wall;

    b. an outer cooling housing substantially surrounding the inner combustion chamber housing and having an interior wall;

    c. a connector secured to and in communication with the interior of the inner combustion chamber and adapted for mounting the pre-combustion chamber in the spark plug well of the engine;

    d. a permanent securing and sealing element for securing a portion of the cooling housing to the combustion chamber housing; and

    e. a resilient seal positioned between the outer wall of the combustion chamber housing and the cooling housing for defining a cooling jacket chamber therebetween, sealed and closed by the seal and the permanent securing element.

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