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US 7,451,635 B2Granted
Sensor assembly with insert molded bead
AssigneeIllinois Tool Works Inc.
InventorsTerry L. Robinson, Ronald M. Smith
Life of this patent
Estimating the term…
Abstract
A sensor assembly suitable for a vehicle fuel module assembly includes a plastic body defining a bore therethrough and having a barrier with a continuous peripheral edge encapsulated in the body. An aperture extends through the plate. A sensor chip is bonded to the plate over the aperture.
Claims17
A sensor assembly comprising:
- a body defining a bore therethrough;
- a barrier covering an end of said bore, said barrier including first and second faces on opposite sides thereof, and a peripheral edge surface, said barrier further defining an aperture extending therethrough between said first and second faces in flow communication with said bore;
- and
- a peripheral portion of said barrier being completely encapsulated in said body, including said peripheral edge surface of said barrier and peripheral surface portions of said first and second faces adjacent said peripheral edge surface.
1 more element
A sensor assembly comprising:
- a body of plastic material defining a bore therethrough;
- a metal bead across said bore, said bead including opposite faces and a peripheral edge surface, said bead defining an aperture therethrough in flow communication with said bore, and peripheral portions of said first and second faces and said peripheral edge surface being encapsulated in plastic material of said body;
- and
- a pressure sensing chip attached to said bead and covering said aperture.
1 more element
A fuel tank pressure sensor assembly comprising:
- a body having a bore therethrough;
- a barrier across said bore, said barrier defining an aperture therethrough in flow communication with said bore;
- said body defining a pocket on one side of said barrier opposite said bore, said pocket defined by a sidewall;
- and
- said barrier having an edge portion encapsulated in said body, said encapsulated edge portion extending beyond said sidewall of said pocket.
2 more elements
Dependencies are inferred from the claim text.