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| Number | Title | Issue Date |
| 7614311 | Device for measurement of a material mass flow including a flow measuring device A device for the measurement of the mass flow, in particular, of a bulk material flow, by the Coriolis measuring principle, comprising a motor with an impeller, driven at constant speed. The bulk material flow is dispensed onto the impeller, radially deflected and m... | 11/10/2009 |
| 7347223 | Pipe flow stabilizer A fluid flow stabilizer for use in a flow of fluid in a conduit between a source of turbulence and a fluid control device. The stabilizer comprises a fluid conduit section having a first end with a mounting arrangement for mounting the first end to the fluid conduit... | 03/25/2008 |
| 7311005 | Method and device for continuous measuring of dynamic fluid consumption, including pressure regulator In a method for continuous measuring of dynamic fluid consumption, particularly fuel, the pressure beyond the flow sensor is adjusted to a constant value by means of a pressure regulator by using a continuously-operating flow sensor with variable pressure drop, pref... | 12/25/2007 |
| 7168328 | Measuring device for determining the mass rate of flow of a mass flow The invention relates to a measuring device for determining the mass rate of flow of a mass flow, especially for measuring a flow of bulk material. An impeller wheel (2), which is connected to the drive shaft (3) and which is driven at a constant rotat... | 01/30/2007 |
| 7077013 | Device for measuring the weight flow rate of a mass flow Device for measuring a mass flow according to the Coriolis principle comprises impeller driven at a constant speed, on which the flow of materials is fed, redirected and accelerated, and whereby the torque of the impeller is measured. The impeller is suspended on a ... | 07/18/2006 |
| 6952971 | Apparatus for measuring a mass flow The invention relates to a device for measuring a mass flow, comprising a measuring wheel (3) that is supported by a shaft (4) and that is driven and impinged axially by the mass flow. Said wheel deflects the flow, giving it both radial and tangential ... | 10/11/2005 |
| 6918307 | Device, system and method for on-line monitoring of flow quantities Measures of a torque and rotational speed of a pump or fan are obtained, from which a mechanical input power can be calculated. By further using predetermined relations between mechanical input power and flow rate through the pump or fan, a measure of the flow rate ... | 07/19/2005 |
| 6705171 | Torque measuring device for a device measuring the flow of material The invention relates to a device for measuring the flow of material, especially of a flow of bulk material, according to the Coriolis principle of measurement. The device has an impeller (2) which is driven by a motor (9) with a constant r.p.m. The fl... | 03/16/2004 |
| 6041664 | Method and apparatus for continuous, gravimetric metering and mass flow determination of flowable materials In order to improve the metering accuracy, especially with a strongly fluctuating feed material supply, a method and an apparatus for continuous, gravimetric metering and mass flow determination of flowable materials are proposed, wherein the output of th... | 03/28/2000 |
| 5679906 | Coriolis effect mass flowmeter using a single rotor having a flexible sensing element A Coriolis flowmeter having a rotor assembly positioned within a housing and having center axis of rotation. The rotor assembly has a plurality of flow channels, each of which extends from the outer periphery of said rotor assembly to a center recess of s... | 10/21/1997 |
| 5370001 | Angular momentum mass flowmeter An angular momentum mass flowmeter for measuring the mass flowrate of a fluid stream includes a flowmeter housing having an inlet or upstream end for receiving the fluid stream and an outlet or downstream end for discharging the fluid stream. A rotatable ... | 12/06/1994 |
| 4314483 | Mass rate of flow meter with improved temperature characteristics A mass rate of flow meter including a housing and an inner assembly with a swirl generator, a rotor, and a restrained reaction turbine. The rotor includes tapered passages. Each tapered passage includes a converging inlet section and a diverging outlet se... | 02/09/1982 |
| 4301686 | Mass rate of flow meter with improved magnetic circuit A mass rate of flow meter with a first magnet and sensing coil for detecting the passage of an unrestrained rotor past the sensing coil. The position of a restrained turbine reactor is sensed by locating an axially extending magnetic flux linkage near the... | 11/24/1981 |
| 4291582 | Mass rate of flow meter with phase shift compensation A mass rate of flow meter with a first magnet and a sensing coil assembly for detecting the passage of an unrestrained rotor past the sensing coil assembly. The sensing coil assembly includes a coil wound on a copper coil form that provides phase shifts t... | 09/29/1981 |
| 4279168 | Mass rate of flow meter with electromagnetic interference compensation A mass rate of flow meter including an unrestrained rotor and a restrained turbine and including a magnetic coupling for generating signals in a sensing coil when a predetermined point on the rotor passes a predetermined point on the turbine. A sensing me... | 07/21/1981 |
| 4248100 | Mass rate of flow meter with improved magnetic circuit A mass rate of flow meter with a first magnet and sensing coil for detecting the passage of an unrestrained rotor past the sensing coil. The position of a restrained turbine reactor is sensed by locating an axially extending magnetic flux linkage near the... | 02/03/1981 |
| 4248099 | Mass rate of flow meter with improved fluid drive An improved cylindrical conduit for directing fluid flow to the swirl generator of an angular momentum type rate of flow meter commonly employed in measuring fuel flow rate in aircraft engines. The conduit includes a first set of longitudinally extending,... | 02/03/1981 |
| 4056976 | Mass rate of flow meter A flowmeter is provided having a housing containing a swirling fluid stream, a rotor which is rotated by the stream, and a turbine which is displaced by the stream; and having a first, transverse angularly discrete, source of magnetic flux means rotating ... | 11/08/1977 |
| 3994165 | Mass flowmeter starting system A Zener diode voltage sensing circuit senses when the 115 volt, 400 Hz primary power source to a conventional 8 Hz two-phase mass flowmeter is below approximately 80 volts and through an amplifier, a frequency halving flip-flop, and a quad NAND gate halve... | 11/30/1976 |
