Device including a pressure sensor for measuring pressures inside the combustion chamber of an engine
AssigneesContinental Automotive France, Federal-Mogul Italy Srl
InventorsAlain Ramond, John Burrows, Sandro Goretti
Life of this patent
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Abstract
A device includes a pressure sensor (11-13) for measuring pressures inside the combustion chamber of a cylinder in an internal combustion engine. The device includes: an outer body (1); a lug (5) extending partially into the combustion chamber; an inner housing (14) inserted into the body and surrounding an upper portion of the lug, the housing being secured to the lug and to the body and having an elastically deformable portion (17) between the two securing areas, characterised in that the housing (14) is secured to the body (1) at a securing area (18) extending in the upper portion of the body.
Claims16
Device incorporating a pressure sensor (11-13) for measuring pressures in a combustion chamber of a cylinder of an internal combustion engine, including:
- an external body (1),
- a finger (5) adapted to extend partly in the combustion chamber,
- an internal envelope (14) inserted into the body and surrounding an upper portion of the finger, which envelope is fixed on the one hand to the finger and on the other hand to the body and has an elastically deformable portion (17) between these two fixing areas,
- characterized in that the envelope (14) is fixed to the body (1) in a fixing area (18) that is in an upper part of said body.
Dependencies are inferred from the claim text.