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| Number | Title | Issue Date |
| 7257999 | Liquid dispenser with volume meter A liquid dispenser comprises a sprayer device and volume meter connected together to form an integral unit that prevents the sprayer device and volume meter from being disconnected without damaging the dispenser. The volume meter has an inlet end portion and a gauge... | 08/21/2007 |
| 7140261 | Acoustic wave flow sensor An acoustic wave flow sensor is disclosed, which includes a sensor substrate and an acoustic wave diaphragm etched upon the sensor substrate, wherein mechanical stress or strain is concentrated in the acoustic wave diaphragm. One or more interdigital transducers can... | 11/28/2006 |
| 7093503 | Variable phase turbine An axial flow turbine configured to accept different nozzles which are respectively compatible with different fluids (gas, liquid or mixture thereof). The turbine is compatible with different rotating loads, which can be cooled or lubricated using liquid derived fro... | 08/22/2006 |
| 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 |
| 6517707 | 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 exp... | 02/11/2003 |
| 6079280 | Insertion paddle wheel flow sensor for insertion into a fluid conduit A flow sensor using induction pickup and having an improved paddle wheel type impeller within an impeller housing having a concave opening defining a protective skirt area for shielding a portion of the paddle wheel and a stem of the paddle wheel with a v... | 06/27/2000 |
| 6079281 | Single-jet liquid meter with improved driving torque A single-jet liquid meter comprises a body in which a measurement chamber of substantially cylindrical shape is disposed. The chamber is fitted with a spinner having a longitudinal axis XX' and provided with blades, a liquid feed tube and a liquid dischar... | 06/27/2000 |
| 6036333 | Water faucet generated emergency lighting system An emergency lighting system 10 for use on the outlet 101 of a conventional faucet 100 and including a generally T-shaped housing member 20 having a cross-arm portion 22 that is connected on one end 24 to the faucet outlet 101 and has an interior fluid fl... | 03/14/2000 |
| 5965826 | Single jet liquid meter with improved sensitivity and regulation effect A single jet liquid meter includes a measurement chamber connected to an injector and an ejector and equipped with a turbine having a plurality of blades, two consecutive blades being disposed at an angle ଲ, the measurement chamber having two end wa... | 10/12/1999 |
| 5928504 | Faucet-mounted water treatment device A faucet-mounted water treatment device including a flow totalizer and an end-of-life indicator cooperating with the totalizer to tell the user when it is necessary to replace the filter cartridge. End-of-life indication is provided by a valve which stops... | 07/27/1999 |
| 5876610 | Method and apparatus for monitoring liquid flow through an enclosed stream A liquid flow meter is designed to monitor the flow of a liquid through an enclosed stream such as through the tubes or internal passageways of a device such as a filtration system. The liquid flow meter includes an axial-flow magnetic turbine and a detec... | 03/02/1999 |
| 5728949 | Fluid flow rate measuring circuit A turbine wheel flow measuring transducer is provided for measuring low flow rates of corrosive fluids, whether fluids or gases. The transducer has a turbine wheel rotating in a housing fluid chamber at a rate set by the corrosive fluid flowing through th... | 03/17/1998 |
| 5542302 | Turbine wheel flow measuring transducer A turbine wheel flow measuring transducer is provided for measuring low flow rates of corrosive fluids, whether fluids or gases. The transducer has a turbine wheel rotating in a housing fluid chamber at a rate set by the corrosive fluid flowing through th... | 08/06/1996 |
| 5527451 | Water treatment device with volume totalization valve A water treatment device including an arrangement having mechanisms for mechanically totaling the volume of water filtered and for indicating when the replaceable filter cartridge has reached the end of its useful life. End-of-life indication is provided ... | 06/18/1996 |
| 5517862 | Apparatus and method for measuring ventilation flow exiting a spinning rotor An apparatus and method for measuring discrete velocities of exhaust flows coming out of individual circumferential rotor body vent holes while a rotor is running at operating speed. The apparatus and method employs a hot film anemometer to measure flow d... | 05/21/1996 |
| 5307686 | Device for measuring the rate of flow of a flowing fluid A device for measuring the rate of flow of a fluid flowing in a closed conduit includes a rotor whose speed of rotation is directly dependent on the flow rate of the fluid. The rotor is carried symmetrically on a shaft which extends substantially at right... | 05/03/1994 |
| 5303597 | Method and device for measuring the density of a flowing fluid A device for measuring the density of the fluid flowing in a closed passage includes a rotor whose speed of rotation is directly dependent on the rate of flow of the fluid. The rotor is connected to an activatable and deactivatable brake means which has a... | 04/19/1994 |
| 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 |
| 5099699 | Flow indicator or flowmeter A flow indicator or flowmeter is provided with an impeller which is rotatably mounted in an essentially circular-cylindrical flow chamber of a flow housing which has an inlet channel and an outlet channel. The impeller has an odd number of blades and is v... | 03/31/1992 |
| 4936151 | Paddle-wheel type flow meter In a paddle-wheel type flow meter: a paddle wheel has its paddle tips exposed to a fluid being measured; a light source emits a light to one of a pair of optical-fiber cables which are oppositely disposed from each other through a paddle-wheel housing so ... | 06/26/1990 |
| 4825707 | Fluid flow indicator including a hall effect transducer An indicator for the rate of volumetric fluid flow includes a housing having a fluid passageway therein and a rotor contained in the housing in a position so as to be rotated by fluid flowing through said passageway. The indicator also includes a Hall eff... | 05/02/1989 |
| 4825708 | Fiber optic velocity sensor/flow meter An optical fiber/paddle wheel fluid velocity sensor is provided which has application as a boat speed sensor and a fluid flow meter as well as other applications. The paddle wheel may be of integral construction and incorporates a plurality of T-shaped pa... | 05/02/1989 |
| 4793190 | Device for measuring and indicating flow around a bend A device for measuring and indicating fluid flow around a flow bend such as an elbow consists of a housing which confines the flow bend and a flow cavity which is connected with the outer side of the curvature of the flow bend. There is a rotor with a num... | 12/27/1988 |
| 4666061 | Measuring device for beverage dispenser lines A measuring device for beverage dispenser lines comprises a housing with inlet and discharge ports, first and second attachments, and first and second couplings. The attachments have connectors for securing the attachments to ends of fluid conveying condu... | 05/19/1987 |
| 4630489 | Flow sensor for particulate material An apparatus for sensing the flow of particulate material so disclosed which includes a paddle wheel and a sensor for detecting the relation thereof. A mounting block supports the sensor and paddle wheel and is adapted for use with a plurality of differen... | 12/23/1986 |
| 4590805 | Ultrasonic impeller flowmeter An ultrasonic impeller flowmeter for measuring fluid flow through a conduit includes a paddle wheel impeller rotatably mounted in a cylindrical protective housing which extends radially into the conduit through an aperture therein. A diametrical slot thro... | 05/27/1986 |
| 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 |
| 4534227 | Device for measuring the flow of a fluid The device measures the flow of a fluid and comprises a rotor 16 having vanes which is driven in rotation by a stream of fluid in a sealed housing 11 having a circular cross-section and provided with a supply nozzle and a discharge nozzle for the fluid wh... | 08/13/1985 |
| 4467660 | Turbine wheel flow measuring transducer A turbine wheel flow measuring transducer having a reaction turbine wheel measures low flow rates of a gas. A disk (D) is rotatably mounted in a chamber (C) formed within a housing (H) through which the gas to be measured passes through a nozzle assembly ... | 08/28/1984 |
| 4461174 | Vane wheel water meter A vane wheel water meter having a vane wheel disposed in a vane chamber located between an inlet and an outlet with the meter body being positioned above the vane chamber. The vane wheel has a body with several vanes extending outwardly perpendicular to t... | 07/24/1984 |
| 4440030 | Fluid flow meter A fluid flow meter having a paddle wheel rotatably mounted in a cylindrical cavity and an inlet conduit and an outlet conduit tangentially aligned with the periphery of the cavity for directing a fluid to flow through it. The paddle wheel's axis of rotati... | 04/03/1984 |
| 4404860 | Flow rate sensor A flowmeter for measuring the flow rate of fluids, having a range from a very low to a very high value. An impeller is located in a pipe for rotation with the flow of fluid. Metallic vanes of the impeller pass through the field of an inductor which is in ... | 09/20/1983 |
| 4389902 | Flow rate transducer In a flow rate transducer of the type arranged to detect the rotational speed of a blade wheel by transmitting a light beam from one side thereof to the other, a printed circuit board for carrying thereon a light-emitting element and a light-receiving ele... | 06/28/1983 |
| 4379411 | Flow transducer A flow transducer for measuring the flow of a fluid, the transducer including a housing having two spaced apart depending legs with a shaft rotatably mounted between the legs, and a rotor secured on the shaft for rotation by the flow of fluid thereacross.... | 04/12/1983 |
| 4377091 | Vertical axis turbine flowmeter A turbine flowmeter includes a rotor within a narrow-profile housing, the rotor having an axis of rotation aligned perpendicularly to the direction of fluid flow. The rotor employs a pair of oppositely directed, semi-cylindrical rotor elements disposed on... | 03/22/1983 |
| 4188823 | Detection of the transitional layer between laminar and turbulent flow areas on a wing surface A system is disclosed for detecting the laminar to turbulent boundary layer transition on a surface while simultaneously taking pressure measurements. The system uses an accelerometer for producing electrical signals proportional to the noise levels along... | 02/19/1980 |
| 4172381 | Flowmeter for liquids An improved flowmeter for liquids is provided of the type which includes a housing, a cylindrical chamber formed in the housing, a shaft rotatably mounted in the housing and extending coaxially through the chamber, an impeller mounted on the shaft and an ... | 10/30/1979 |
| 4023410 | Fluid flow meter The meter is provided with a housing defining a metering chamber and with a metering member rotatably supported in the chamber. A first rotary element is drivingly connected to the metering member to be rotatable about a rotational axis. The meter is also... | 05/17/1977 |
| 3949606 | Fluid meter and adapter units therefor New and improved fluid meters which include a flow-responsive apparatus, either a rotating disk or rotating paddle, moving a driving magnet which causes movement of a driven magnet, driving a gear which causes a register to indicate fluid flow. The magnet... | 04/13/1976 |
