Exhaust gas recirculation system using absolute...

Details Exhaust gas recirculation system using absolute... Exhaust gas recirculation system using absolute...

2005-09-20

2005-09-20

Oen, William (Department: 2855)

Measuring and testing

Fluid pressure gauge

Mounting and connection

Reexamination Certificate

active

06945120

ABSTRACT:
An absolute pressure sensor is disclosed that includes a plurality of pressure sense die and a hermetically sealed cover located above the plurality of pressure sense die. A carrier can be provided to which the pressure sense die are mounted by a cured adhesive. The carrier and the pressure sense die can be attached to a circuit board populated with a plurality of surface mounted components for electrical connection to the absolute pressure sensor. An ASIC can also be provided for digitally calibrating the pressure sense die with temperature compensation, wherein the ASIC automatically controls a plurality of output modes thereof during calibration.

REFERENCES:
patent: 5155061 (1992-10-01), O'Connor et al.
patent: 5459351 (1995-10-01), Bender
patent: 5483994 (1996-01-01), Maurer
patent: 5644285 (1997-07-01), Maurer
patent: 6229190 (2001-05-01), Bryzek et al.
patent: 6706001 (2004-03-01), Fresco
patent: WO 03/064989 (2003-08-01), None
patent: WO 2004/001360 (2003-12-01), None

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