Back to results
US 12,460,540 B2Granted
Pressure sensor and borehole system
AssigneeBaker Hughes Oilfield Operations LLC
InventorsYuh Loh, Javid Akhtar Majid
Life of this patent
Estimating the term…
Abstract
A pressure sensor including a transducer housing, a transducer crystal disposed in the housing in vacuum conditions, a driver in contact with the crystal transducer, and a deflectable member in contact with the driver on one surface and exposed to ambient pressure on the opposite surface thereof. A borehole system including a borehole in a subsurface formation, a string in the borehole, and a sensor connected to the string.
Claims5
A pressure sensor comprising:
- a transducer housing;
- a transducer crystal disposed in the housing in vacuum conditions;
- a threaded driver in contact with the transducer;
- a ball nut or roller screw nut in threaded contact with the driver to moderate response time to a pressure change on the sensor;
- and
- a deflectable member in contact with the driver on one surface and exposed to ambient pressure on the opposite surface thereof.
3 more elements
Dependencies are inferred from the claim text.