5405269 Disposable electro-fluidic connector with data storage
A measuring tube for a flowmeter and a process for making the measuring tube. The measuring tube is lined with a tubular lining of thermoplastic mater...
A measuring tube for a flowmeter and a process for making the measuring tube. The measuring tube is lined with a tubular lining of thermoplastic material, particularly PTFE or PFA, which comes into contact with the measured substance which flows through the tube. The ends of the tubular lining are flanged around end flanges of the measuring tube after the ends of the tubular lining have been plasticised by heating. The plasticised ends of the tubular lining are turned outward by more than 90 degrees and then forced into undercuts in the end faces of the end flanges. Upon cooling, the ends of the lining are in intimate contact with the end faces of the end flanges and the undercuts in the end faces.
Injection well fluid flow is measured by a device which has a running head and a body with a turbine type flowmeter interposed therein between the running head and discharge port means in the body. The running head may be interchangeable for positioning the body in selected positions in a tubing string in sealing engagement with a seating surface in the tubing string whereby fluid flow entering selected zones in communication with the injection well may be directly measured. The flow measuring device may include a signal storage or memory circuit disposed thereon for receiving and storing signals from the flowmeter.
5405269 5404753 MASS FLOW SENSOR Hecht Hans; Kienzle Wolfgang; Sauer Rudolf; Reihlen Eckart; Weiblen Kurt Komtal, GERMANY Assigned to Robert Bosch GmbH A mass flow sensor detects the intensity of a media flow. The mass flow sensor includes a measurement chip, with a dielectric membrane and a frame of monocrystalline silicon. At least one heater is arranged on the membrane. The measurement chip is installed in the in-flow channel of a housing. By means of the structure of the housing, contamination of the measurement chip is reduced, thermal equalization with the media flow is improved, the resistance of the sensor to sudden pressure variations is increased, and the dielectric contacts are improved.
5404758 FLOWMETER FOR DETERMINING FLOWING MEDIUMS Huber Eric; Gasper Gerhard M GERMANY Assigned to Knorr-Bremse AG A flowmeter for determining the amount of flowing medium using an orifice (4) and a resistor body (5) in a cavity (6) through which the medium to be measured flows. Not the resistor body (5) but an orifice sleeve (4) is displaced as a consequence of the varying primary pressure and thus the degree of opening of the flow orifice is determined depending on the amount of flow of the flowing medium. A satisfactory linearization of the subregion of the function Deltap (V) is obtained.
DISPOSABLE ELECTRO-FLUIDIC CONNECTOR WITH DATA STORAGE Laguna Niguel, CA, 92677, UNITED
Stupecky Josef J STATES
A modular constructed connector for intercomecting with a single male and female connector a plurality of electrical lines and fluid lines while maintaining a consistent bubbletight fluid interconnection. The modular design permits the number of fluidic and electrical connections to be varied depending upon the particular application. In one embodiment, a programmable microchip is mounted within this connector. This chip stores the response characteristics of a flow meter used, for example, as an air flow measurement device in a respiratory circuit. The connector includes a passage for providing fluidic communication between the flow meter or other sensor and a medical monitoring device. In turn, the monitoring device communicates electrically with the programmable microchip to determine a correction factor to be applied to the fluidic signal received from the flow meter.
5406839 INCIDENCE PROBE WITH MULTIPLE PRESSURE INLETS Leblond Henri; Choisnet Joel Assigned to Sextant Avionique
Versailles, FRANCE
The present invention relates to an incidence probe, in particular for an aircraft, comprising at least two pressure inlets. To this end, it comprises a least one flowmeter (1) and a pneumatic restriction (4) arranged in series between two pressure inlets.
5404948 5406841 INJECTION WELL FLOW MEASUREMENT Fletcher Paul Richardson, TX, UNITED STATES Assigned to Atlantic Richfield Company