Pressure transducer apparatus adapted to measure engine...

Details Pressure transducer apparatus adapted to measure engine... Pressure transducer apparatus adapted to measure engine...

2007-10-02

2007-10-02

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

C073S717000, C073S753000

Reexamination Certificate

active

11486351

ABSTRACT:
A pressure header assembly has a closed front and back surface. The back surface has an aperture for accommodating a separate dual die pressure header. The dual die pressure header has an absolute and differential pressure sensor positioned thereon. A differential pressure port is located on a side surface of the pressure header assembly and is directed to a bore in the pressure header assembly. The bore contains an elongated tube which is positioned in the pressure header assembly and locked in place by means of a crush nut and locking nut assembly. One end of the tube is coupled to the differential pressure port, while the other end of the tube accommodates a differential pressure tube which is bent in an arcuate position and directed to the underside of the sensor of the differential sensor assembly mounted in the dual die pressure header. Suitable leads from the dual die pressure header assembly are directed to a terminal board which is mounted within a pressure transducer housing shell, which terminal board coacts with an outboard contact cap assembly forming the transducer. The pressure header assembly portion also contains extending tabs which have apertures for external mounting.

REFERENCES:
patent: 6176137 (2001-01-01), Sasaki et al.
patent: 6484585 (2002-11-01), Sittler et al.
patent: 6543291 (2003-04-01), Kurtz et al.
patent: 6584851 (2003-07-01), Yamagishi et al.
patent: 6651508 (2003-11-01), Baba et al.

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