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Thermal imaging system for internal combustion engines

  • US 5,463,222 A
  • Filed: 01/24/1994
  • Issued: 10/31/1995
  • Est. Priority Date: 01/24/1994
  • Status: Expired due to Fees
First Claim
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1. A thermal imaging system for use in an internal combustion engine having a cylinder with a wall and a hole extending through said wall into said cylinder, said thermal imaging system comprising:

  • a lens;

    an optical housing having an internal passageway with a distal portion for insertion into said hole in said cylinder wall and for supporting said lens to provide a field of view within said cylinder and project an image of said field of view through said internal passageway; and

    camera means for receiving and recording said image provided by said optical housing; and

    means for removably securing said distal portion of said optical housing to said hole in said cylinder wall.

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