초록 ▼

Apparatus for the remote measurement of physical parameters, the apparatus comprises a sensor (1) for sensing one or more physical parameters, an interrogator (2) for interrogating the sensor (1) and making a measurement, a cable (3) for extending between the sensor (1) and the interrogator (2), a c

Apparatus for the remote measurement of physical parameters, the apparatus comprises a sensor (1) for sensing one or more physical parameters, an interrogator (2) for interrogating the sensor (1) and making a measurement, a cable (3) for extending between the sensor (1) and the interrogator (2), a conduit (4) for extending to a measurement location (5) and which is of such a cross-sectional size that it is able to accept the cable (3) and the sensor (1), and a cable installer (6) for installing the sensor (1) and the cable (3) through the conduit (4) and for placing the sensor (1) at the measurement location (5), the cable installer (6) being such that it includes a device (7) for propelling a fluid along the conduit (4), and the conduit (4) being such that it contains a lead-in section (8) for providing sufficient fluid drag on the cable (3) as it enters the conduit (4) from the cable installer (6) to ensure that the sensor (1) is able to be transported through the conduit (4).

대표청구항 ▼

[ What is claimed is:] [1.] Apparatus for the remote measurement of physical parameters, which apparatus comprises sensing means for sensing one or more physical parameters, interrogation means for interrogating the sensing means and making a measurement, a cable for extending between the sensing me

[ What is claimed is:] [1.] Apparatus for the remote measurement of physical parameters, which apparatus comprises sensing means for sensing one or more physical parameters, interrogation means for interrogating the sensing means and making a measurement, a cable for extending between the sensing means and the interrogation means, a conduit for extending to a measurement location and which is of such a cross-sectional size that it is able to accept the cable and the sensing means, and cable installation means for installing the sensing means and the cable through the conduit and for placing the sensing means at the measurement location, the cable installation means being such that it includes means for propelling a fluid along the conduit, and the conduit being such that it contains a lead-in section for providing sufficient fluid drag on the cable as it enters the conduit from the cable installation means to ensure that the sensing means is able to be transported through the conduit, in which the cable installation means includes a first port where fluid enters into the conduit, and first orifice means through which the cable is able to be progressively pulled while deploying the sensing means, and in which the first orifice means is such that sufficient fluid flows through the conduit in order to transport the sensing means, and in which the first orifice means includes a capillary connected to the lead-in section.