Pressure sensing apparatus

Details Pressure sensing apparatus Pressure sensing apparatus

2005-08-23

2005-08-23

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Fluid pressure gauge

With protective separator

C073S730000, C166S368000

Reexamination Certificate

active

06931933

ABSTRACT:
A pressure sensing unit has a pressure responsive member, a pressure sensor, and a hydraulic connector hydraulically connecting the pressure responsive member with the pressure sensor to produce an indication of sensed pressure. The hydraulic connector includes a tubular member and a longitudinal insert in the tubular member with hydraulic fluid in the tubular member between the insert and the member. The tubular member, the insert and the hydraulic fluid and the dimensions of the tubular member and the insert are such that the hydraulic fluid transmitted to the pressure sensor is substantially independent of temperature changes.

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patent: 2370638 (2002-07-01), None
patent: WO 00/71982 (2000-11-01), None

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