Pressure measurement may be achieved by using a pressure-conveyance media that responds to externally applied pressure to convey pressure to a pressure sensor. With the conveyance of pressure, the pressure measurement may be accomplished by determining a pressure of the pressure-conveyance media, de
Pressure measurement may be achieved by using a pressure-conveyance media that responds to externally applied pressure to convey pressure to a pressure sensor. With the conveyance of pressure, the pressure measurement may be accomplished by determining a pressure of the pressure-conveyance media, determining a temperature of the pressure-conveyance media, and determining pressure externally exerted on the pressure-conveyance media based one the pressure of the pressure-conveyance media and the temperature of the pressure-conveyance media.
대표청구항▼
What is claimed is: 1. A system for measuring pressure, the system comprising: a seal comprising a diaphragm that is operable to mechanically respond to externally-applied pressure of a process media; a pressure-conveyance media at least partially disposed in the seal, the pressure of the pressure-
What is claimed is: 1. A system for measuring pressure, the system comprising: a seal comprising a diaphragm that is operable to mechanically respond to externally-applied pressure of a process media; a pressure-conveyance media at least partially disposed in the seal, the pressure of the pressure-conveyance media responsive to the mechanical response of the diaphragm; an pressure sensor coupled to the pressure-conveyance media and operable to sense a pressure of the pressure-conveyance media and to generate a signal representative thereof; a temperature sensor coupled to the pressure-conveyance media and operable to sense a temperature of the pressure-conveyance media and to generate a signal representative thereof; a microprocessor coupled to the pressure sensor and the temperature sensor, the microprocessor operable to: determine the pressure of the pressure-conveyance media based on the signal generated by the pressure sensor, determine the temperature of the pressure-conveyance media based on the signal generated by the temperature sensor, compensate the pressure of the pressure-conveyance media based on the temperature of the pressure-conveyance media, determine the pressure exerted externally on the diaphragm by the process media using the compensated pressure of the pressure-conveyance media, determine an indicia representing the pressure exerted externally on the diaphragm by the process media, generate a signal representing the indicia, and generate a signal representing the pressure exerted externally on the diaphragm by the process media; and a visual output device coupled to the microprocessor, the visual output device operable to display the indicia representing the pressure exerted externally on the diaphragm by the process media based on the signal generated by the processor. 2. A system for measuring pressure, the system comprising: a seal comprising a diaphragm that is operable to mechanically respond to externally-applied pressure of a process media; a pressure-conveyance media at least partially disposed in the seal, the pressure of the pressure-conveyance media responsive to the mechanical response of the diaphragm; an electronic pressure sensor coupled to the pressure-conveyance media and operable to sense a pressure of the pressure-conveyance media and to generate a signal representative thereof; a temperature sensor coupled to the pressure-conveyance media and operable to sense a temperature of the pressure-conveyance media and to generate a signal representative thereof; a microprocessor coupled to the pressure sensor and the temperature sensor, the microprocessor operable to: determine the pressure of the pressure-conveyance media based on the signal generated by the pressure sensor, determine the temperature of the pressure-conveyance media based on the signal generated by the temperature sensor, compensate the pressure of the pressure-conveyance media based on the temperature of the pressure-conveyance media, determine the pressure exerted externally on the diaphragm by the process media using the compensated pressure of the pressure-conveyance media, determine an indicia representing the pressure exerted externally on the diaphragm by the process media, generate a signal representing the indicia, and generate a signal representing the pressure exerted externally on the diaphragm by the process media; and a remote device coupled to the microprocessor, the remote device operable to monitor the indicia representing the pressure exerted externally on the diaphragm by the process media based on the signal generated by the processor. 3. A system for measuring pressure, the system comprising: a seal comprising a diaphragm that is operable to mechanically respond to externally-applied pressure of a process media; an pressure-conveyance media at least partially disposed in the seal, the pressure of the pressure-conveyance media responsive to the mechanical response of the diaphragm; an electronic pressure sensor coupled to the pressure-conveyance media and operable to sense a pressure of the pressure-conveyance media and to generate a signal representative thereof; an electronic temperature sensor coupled to the pressure-conveyance media and operable to sense a temperature of the pressure-conveyance media and to generate a signal representative thereof; a microprocessor coupled to the pressure sensor and the temperature sensor, the microprocessor operable to: determine the pressure of the pressure-conveyance media based on the signal generated by the pressure sensor, determine the temperature of the pressure-conveyance media based on the signal generated by the temperature sensor, compensate the pressure of the pressure-conveyance media based on the temperature of the pressure-conveyance media, determine the pressure exerted externally on the diaphragm by the process media using the compensated pressure of the pressure-conveyance media, determine an indicia representing the pressure exerted externally on the diaphragm by the process media, generate a signal representing the indicia, and generate a signal representing the pressure exerted externally on the diaphragm by the process media; and a remote device coupled to the microprocessor, the remote device operable to store the indicia representing the pressure exerted externally on the diaphragm by the process media based on the signal generated by the processor. 4. The system for measuring of claim 1 further including a device to store the indicia. 5. The system for measuring of claim 1 further including a device to monitor the indicia. 6. The system for measuring of claim 1 further including a device to store the indicia and monitor the indicia. 7. The system for measuring of claim 2 wherein the remote device operable to monitor the indicia further includes a device to store the indicia. 8. The system for measuring of claim 2 wherein the remote device operable to monitor the indicia further includes a device to visually display the indicia. 9. The system for measuring of claim 2 wherein the remote device operable to monitor the indicia further includes a device to store the indicia and a device to visually display the indicia. 10. The system for measuring of claim 3 wherein the remote device operable to store the indicia further includes a device to monitor the indicia. 11. The system for measuring of claim 3 wherein the remote device operable to store the indicia further includes a device to visually display the indicia. 12. The system for measuring of claim 3 wherein the remote device operable to store the indicia further includes a device to monitor the indicia and a device to visually display the indicia.
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이 특허에 인용된 특허 (13)
Nelson Richard W. (Freeport IL), Amplified pressure transducer.
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