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| Number | Title | Issue Date |
| 7475604 | Method for monitoring an oil and gas lubricating device with the aid of a striae sensor A method is disclosed for monitoring an oil and gas lubricating device, with which an oil film, while forming striae, can be conveyed by an airflow along a wall of a supply line to a lubrication point, in which the temporal change in the striae is detected by a stri... | 01/13/2009 |
| 6817251 | Method of reducing particle build-up on a surface located within a recess of a conduit carrying particulate material Method and housing (2) for reducing particulate build-up on a surface of a device (5) contained in a recess (4) defined by the housing (2) when attached to a conduit. The method includes introducing gas into the recess (4) at a hig... | 11/16/2004 |
| 5421208 | Instantaneous volume measurement system and method for non-invasively measuring liquid parameters A non-invasive technique and system is provided for measuring flow of liquid driven by a flexible diaphragm of a membrane pump (18). Flow, pressure and/or temperature of a gas, such as air, used to drive the pump (18) is continuously monitored. Instantane... | 06/06/1995 |
| 4598578 | Fluid density measuring apparatus A fluid density measuring apparatus is provided of the kind wherein a nozzle directs a turbulent jet through another fluid to a receiver tube, and is improved in that surfaces, from which sound waves emanating directly from the jet will be reflected, are ... | 07/08/1986 |
| 4550615 | Fluid flowmeter A flowmeter which is connectable in series with a fluid supply line and which functions to meter the rate of fluid flow through the supply line. The flowmeter incorporates a chamber into and through which fluid is passed, and an acousto-electrical transdu... | 11/05/1985 |
| 4026149 | Apparatus for measuring the velocity of a fluid A fluid stream velocity measuring apparatus and its method of use wherein a fluid jet is directed from a nozzle along a portion of the flow path of a fluid stream whose velocity is to be measured, towards the open end of one or more receiver tubes. The no... | 05/31/1977 |
| 4019382 | Apparatus for use in the measurement of the flow rate of fluid flow A fluidic flowmeter for measuring the respiratory function of infants or children comprises a duct through which the infant or child breathes. A convergent pair of supply passages are provided for directing a pair of jets across the duct towards a pair of... | 04/26/1977 |
| 3969938 | Apparatus for measuring the velocity and/or density of a fluid stream A robust apparatus for measuring the velocity and/or density of a fluid stream comprises a cap-shaped nozzle which deflects pressurized fluid, issuing from a tube whose end is within the nozzle, back along the external surface of the tube to a receiver so... | 07/20/1976 |
