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Dátos técnicos
Año2004
No. SolicitudPCT/ES2005/070081
Alcance
StatusLicenciada
OEPM access
ES2249139; EP1757911; US2007283753; US7895891; WO2006021604
CSIC access
2004612

Gas-Liquid Separator comprising a capacitive level sensor

Autores:Consuelo Goberna Selma, José Prieto Barranco

The invention relates to a gas/liquid separator comprising a capacitive level sensor, which is particularly suitable for systems that employ reduced volumes of fluids at high pressures. The inventive separator consists of a metal part comprising a borehole which is closed at the lower end thereof, such as to form a container. The aforementioned container comprises at least one gas inlet, one liquid outlet and one gas outlet. According to the invention, a cooling system, in the form of a Peltier cell that is in contact with the walls of the metal part. Generates the condensation of the liquid which is collected at the bottom of the container until the introduction of a probe which is electrically isolated from the system and which forms an electric condenser with the walls of the part. The capacity of the condenser varies according to the level of liquid in the container. In addition, a frequency signal is generated by means of an oscillator output signal that is proportional to the response from the sensor and, consequently, the height of the liquid in the container.

Palabras clave:Level sensor; low volume;
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