Differential pressure sensing devices

Details Differential pressure sensing devices Differential pressure sensing devices

1978-05-02

1979-11-06

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With protective separator

73716, 73720, G01L 1302

Patent

active

041731492

ABSTRACT:
A pressure sensing device having a separator diaphragm through which pressure is transmitted from a working fluid to a liquid within a first part of the device and a transducer for measuring the pressure of the liquid or the difference between the pressure of the liquid and the pressure of an external fluid. A pressure overload diaphragm comprises a dished plate which forms part of a side wall of the first part of the device and has an inner section of the plate extending inwardly of that part. The overload diaphragm is inflexible or substantially inflexible over a working range of differential pressures applied thereto but the inner section thereof moves outwardly of the first part of the device if the differential pressure exceeds a predetermined value. This movement of the overload diaphragm allows movement of the separator diaphragm inwardly of the first part of the device, whereupon means associated with the separator diaphragm operate to cause a resistance to further movement of that diaphragm and to prevent a further increase in pressure of the working fluid from being applied via the liquid in the first part of the device to the transducer.

REFERENCES:
patent: 3058350 (1962-10-01), Brown
patent: 4028945 (1977-06-01), Bergamini
patent: 4072058 (1978-02-01), Whitehead, Jr.

Affiliated with

Also associated with

Rating

Differential pressure sensing devices does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Differential pressure sensing devices, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Differential pressure sensing devices will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-457995