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| Number | Title | Issue Date |
| 7317260 | Wind flow estimation and tracking using tower dynamics A turbine control system for a variable speed electrical generator in a wind turbine mounted atop a support tower. The wind turbine converts wind energy into a driving torque applied to the generator. The control system includes a turbine support tower position sens... | 01/08/2008 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 5929345 | Device for the control of the quantity and/or the flow rate of a liquid A device for monitoring the flow rate of a liquid has an impeller with a plurality of blades arranged within a duct wherein the liquid flows, and a sensor able to detect the rotation of the impeller. A variable distributor is mounted in the duct for modif... | 07/27/1999 |
| 5284053 | Controlled flow volumetric flowmeter Apparatus and method for metering the flow rate of a fluid through a conduit in which a low inertia transducer is placed between the inlet and outlet, the transducer having a substantially cylindrical housing and a rotatable element concentric to the hous... | 02/08/1994 |
| 5277071 | Hydrometric vane A hydrometric vane has a housing, an upstream casing and a downstream casing provided in the housing, an impeller rotatably supported in the housing and axially movable between the casings. The impeller has a hub which forms an annular chamber and extends... | 01/11/1994 |
| 5000041 | Control apparatus for turbine-type flow meter Disclosed is a control apparatus for correcting the measurement of flow rates for use with a turbine-type flow meter in which the rotation of a turbine rotating in response to the flow velocity of fluid to be measured is detected to produce pulses which a... | 03/19/1991 |
| 4655090 | Turbine flowmeter for fluids A turbine flowmeter for fluids of the type comprises a turbine rotatable in a chamber of circular section equipped with an admission orifice substantially tangential to the said chamber and with an outlet orifice, the said chamber comprising a plurality o... | 04/07/1987 |
| 4630488 | Single jet liquid meter A single jet liquid meter comprises a cylindrical measuring chamber having first and second end walls perpendicular to the axis of the chamber, an injector and an ejector in communication with the measuring chamber, and a turbine having a hub and pluralit... | 12/23/1986 |
| 4572209 | Dynamic braked spirometer An improved spirometer is disclosed which permits more accurate measurement of the volume of air exhaled from the lungs of a patient. The improvement comprises flow-responsive means such as a pair of vanes disposed downstream of the rotor. The vanes cause... | 02/25/1986 |
| 4561312 | Turbine for a multijet liquid flow meter A turbine for a multijet fluid flow meter having a planar disk mounted for rotation in the meter housing includes a plurality of vertical blades supported normal to, and by, the disk. A ribbed shaft carried by the disk drives a counter. The disk may inclu... | 12/31/1985 |
| 4548084 | Flow meter In a flow meter, a cylindrical member containing therein a vane wheel is fitted in a measuring chamber of a casing so as to be closely in contact with the peripheral wall of the casing, and a cover is put on the cylindrical member. Rectangular inlet and o... | 10/22/1985 |
| 4446727 | Method for integrating fuel consumption amount of vehicles In a vehicle provided with a turbine-type fuel flow meter for detecting the flow rate of fuel supplied to a carburetor of an internal combustion engine, a method for integrating the amount of fuel consumption which comprises the steps of summing the flow ... | 05/08/1984 |
| 4199982 | Liquid flowmeters A fluid flowmeter comprising a rotor mounted in a chamber for rotation about a predetermined axis of the chamber by flow of fluid through the chamber. The fluid enters the chamber in use at or near both poles of the axis in a plurality of separate flows p... | 04/29/1980 |
| 4187722 | Device for measuring the velocity of a urine discharge A device for measuring a urine discharge comprising, a hollow receptacle having an inlet port adjacent an upper end of the receptacle and a channel below the inlet port to receive the liquid passing through the inlet port. The device measures the velocity... | 02/12/1980 |
| 4186603 | Turbine flowmeter A turbine flowmeter having a rotor with a hub and conventional blades outside the hub. An impeller is fixed inside the hub to keep an axial pressure on the rotor to maintain it axially slidable but spaced from a diffuser at each end of the hub. Alternativ... | 02/05/1980 |
| 4182175 | Spirometer A turbine is mounted in an annular cavity, and is provided peripherally with exhaled air, which is exhausted axially therefrom. A fixed stator has axially extending, chordally penetrating slots therein, and a calibrating ring adjustable for partial occlus... | 01/08/1980 |
| 4161879 | Composite tangential and axial exhaust fluid flowmeter A composite tangential and axial exhaust fluid flowmeter featuring both tangential and balanced, bidirectional axial exhaust outlets cooperating with a common tangential inlet to a fluid chamber, which encloses a minimum mass of fluid and has an escallope... | 07/24/1979 |
| 4100803 | Apparatus for measuring the volume of a flowing fluid, particularly a gas in pipes Apparatus for measuring the volume of flowing fluid or gas in pipes of relatively small diameter. A casing having a measuring wheel therein is coupled to the pipe by means of a single duct pipe connection. The annular clearance within the apparatus throug... | 07/18/1978 |
