| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073861790 | Using turbine | 28 |
| 20080307897 | Liquid Supply Measuring Apparatus - A liquid supply measuring apparatus is disclosed. The provided apparatus is comprised of a housing to be serially installed to a liquid passage in a way that the supplying liquid passes through the housing; a turbine, the turbine is installed inside the housing, wherein the turbine is spin by the passing liquid; a generator, the generator is pivotally or geared joined to the turbine and supplies electrical power according to the turbine's spin; and a controller, capable to calculate the supplied liquid in a way of integrating the supplied electrical power in a time sequence. According to a preferred embodiment the liquid supply measuring apparatus is provided, wherein the housing is separated into a first and second liquid passage and having a large turbine for high flow liquid and small turbine for low flow liquid—both are connected to generators—wherein the large turbine is located in the first passage and the small turbine is located in the second passage and wherein the first passage has a valve that enables or disables liquid to pass through the passage according to a predetermined criteria and wherein the criteria can be, inter alia, pressure differences or a command from the controller. By another preferred embodiment of the present invention it is provided the liquid supply measuring apparatus, wherein the valve is closed in a low flow of liquid through the apparatus, and is opened when the flow is rising over a predetermined threshold. | 12-18-2008 |
| 20090272199 | Turbine for a Fluid Meter, in Particular a Water Meter - The invention relates to a spinner ( | 11-05-2009 |
| 20090320608 | Tapered, frequency-tuned rotor for turbine flow meter - A frequency-tuned turbine flow meter rotor comprises a rotor hub and a plurality of tapered rotor blades. Each of the plurality of rotor blades has a stagger angle that varies as a function of a radius measured from the hub, and a cross-sectional profile that is tapered according to a NACA airfoil design. A method for designing a frequency-tuned flow meter rotor comprises defining a cross-sectional profile, calibrating a rotor blade stagger angle, tapering the cross-sectional profile such that it characterizes an airfoil with a decreasing chord length and a decreasing relative thickness as a function of radius, and analyzing a natural oscillation frequency spectrum of the rotor with respect to a range of operationally-induced excitation frequencies. | 12-31-2009 |
| 20100122584 | Turbine for measuring petroleum products which are charged with a viscosity reduction agent - Turbine comprising a tubular body that receives an upstream stator, a rotor including a propeller and a downstream stator. The trailing edge of the blades of the upstream stator is inclined through a negative angle relative to a normal relative to the axis, and the leading edge of the blades of the propeller is inclined and rounded in an incline directed downstream. The rotational mounting of the propeller in the turbine involves a fixed shaft installed in the upstream and downstream stators, and which carries an upstream bearing bush and a downstream bearing bush, close to the end of the location of the propeller, and a stop formed by a crown of support pins in an upstream and downstream direction. The propeller comprises a tubular hub through which the fixed shaft extends and which has a bearing bush at each end in order to co-operate at the same time with the corresponding bearing bush of the fixed shaft and with the corresponding peripheral stop. | 05-20-2010 |
| 20100300213 | Turbine flowmeter - A turbine flow meter comprises a flow pipe which includes an axial through bore and a meter cartridge which is positioned in the through bore. The meter cartridge includes a tubular cartridge housing through which a fluid to be measured is directed and a rotor which is rotatably supported in the cartridge housing. The cartridge housing is slidably received in a first portion of the through bore and comprises an outer diameter which is less than the diameter of that portion of the through bore. The meter cartridge is retained in the through bore by a retainer, which in turn is retained in the through bore by a ring seal. | 12-02-2010 |
| 20120090405 | DEVICE FOR MEASURING THE SPEED OF A FLUID FLOWING IN A PIPE - A device to measure speed of a fluid in a pipe. An adjustment and a surface finish are accomplished between a fluid bearing and a hollow tube coupled with a turbine, with friction minimized to a point that it is possible to measure speeds of less than one cm/s which have hitherto been unexplored. | 04-19-2012 |
| 20120090406 | FLOWMETER MATERIALS FOR A BEVERAGE MACHINE - A flowmeter, in particular for a beverage preparation machine, includes a housing, such as a moulded housing, delimiting a measuring chamber, and a measuring body, such as a moulded body, rotatably mounted in the measuring chamber. The housing and the measuring body are made of at least one of polyoxymethylene, polyformaldehyde or polybutyleneterehpthalate. | 04-19-2012 |
| 20120160034 | FLUID FLOW METER - The present invention relates to a fluid flow meter, comprising: means for defining a fluid flow path; a rotor, with at least one blade, positioned in said fluid flow path; and a ring positioned upstream from, and adjacent to, said rotor; wherein the ring is adapted to conditions the flow at the leading edge of the rotor blade over a range of operating conditions. By providing a ring the accuracy and flow measuring range may be improved. | 06-28-2012 |
| 20140096619 | FLUID TURBINE FLOW METER WITH CENTERING BEARING - A Fluid turbine flow meter, including a measurement chamber, a turbine body that is displaced axially, as a function of the fluid flow rates, between a high position and a low position in the measurement chamber and having a rotation axis, a centering bearing for the rotation axis in the measurement chamber that has a longitudinal body with a longitudinal passage supporting and passed through by the rotation axis, the rotation axis pivoting by being held axially in the measurement chamber, by a first axial end stop in the high position and by a second axial end stop in the low position, the centering bearing having, in the longitudinal passage, at least two cylindrical longitudinal support centering walls for the rotation axis. | 04-10-2014 |
| 20140102215 | FLUID TURBINE FLOW METER - The invention concerns a fluid turbine flow meter including a rotatable longitudinal body of a turbine equipped with longitudinal blades and regularly distributed support arms of the blades connecting the blades to the rotatable body of the turbine, where each blade has on the support arm a plurality of separate longitudinal thrust members the cross sections of which are adapted to receive the thrust of the fluid jet when the blade is active and to allow circulation of fluid between the thrust members when the blade is inactive. | 04-17-2014 |
| 20140260674 | VISCOSITY DEPENDENT FLOW METER FOR USE IN FUEL DISPENSING ENVIRONMENTS - A system and method of measuring volumetric flow through a meter. One step of the method involves providing a flow meter connected to a duct having fluid flowing therethrough. A memory having at least two Roshko/Strouhal curves stored therein s also provided. A viscosity of the fluid is measured. One of the Roshko/Strouhal is selected curves based on the method viscosity. A volumetric flow through the meter is determined utilizing the selected Roshko/Strouhal curve, | 09-18-2014 |
| 20160011023 | SURVEILLANCE SYSTEM WITH ELECTRICITY CONVERTING MODULE AND SENSORS AND METHOD THEREOF | 01-14-2016 |
| 073861810 | With response modification | 1 |
| 20100043568 | SERVO TYPE VOLUMETRIC FLOWMETER EMPLOYING A PUMP UNIT SYSTEM - A volumetric flowmeter ( | 02-25-2010 |
| 073861850 | Anemometers | 10 |
| 20080271545 | Universal Sensor Controller for a Thermal Anemometer - A flow switch uses an analog-to-digital converter combined with a multiplexer to measure voltages at one or more points of a measurement circuit and an algorithm within a microcontroller to calculate flow velocity. The measurement circuit has at least one sensor in the fluid stream. The sensor is heated by passing an electric current through the sensor. A second optional upstream sensor is not heated and is at the fluid temperature. The microcontroller then uses the voltage measurements with calibration information and equations based on the desired mode of operation to calculate the flow velocity. | 11-06-2008 |
| 20090183576 | WIND TURBINE ANEMOMETRY COMPENSATION - A system for estimating a freestream wind characteristic for a wind turbine having a rotor includes estimating a nacelle wind speed for the turbine; determining, from the estimated nacelle wind speed, at least one angular position of the rotor for measuring a nacelle wind characteristic for the turbine; and measuring the nacelle wind characteristic at the determined angular position of the rotor. | 07-23-2009 |
| 20110000314 | DEVICE MEASURING THE WIND SPEED AND THE WIND DIRECTION - A device measuring the speed or the direction of the wind, characterized in that it consists of the main body ( | 01-06-2011 |
| 20120103109 | AIR VELOCITY APPARATUS AND SYSTEM - An apparatus and a system is provided that may be utilized to determine air flow through an air filter and/or a plurality of air filters. The present invention utilizes a demonstration apparatus to illustrate the differences in air flow and air restriction between a plurality of different air filters and filtration media. The apparatus and system utilizes a common plenum which subjects the plurality of air filters to the same differential pressure. The air flows through a first side of the air filter and is measured on the second side of the air filter by utilizing a wind meter or similar device to gauge the amount of air flow velocity of the second side of the filter. Additionally, the apparatus and system utilizes a display means to illustrate the differing air velocity through the second side of the air filter. | 05-03-2012 |
| 20120132011 | METHODS FOR USING SITE SPECIFIC WIND CONDITIONS TO DETERMINE WHEN TO INSTALL A TIP FEATURE ON A WIND TURBINE ROTOR BLADE - A method for utilizing site specific data to determine whether to install a tip feature on a rotor blade of a wind turbine is disclosed. The method generally includes monitoring with a sensor at least one wind condition at a wind turbine site, determining an actual tip deflection threshold for a rotor blade of a wind turbine located at the wind turbine site based on the least one wind condition, comparing the actual tip deflection threshold to a predetermined tip deflection threshold for the rotor blade and determining whether to install a tip feature on the rotor blade based on the comparison between the actual tip deflection threshold and the predetermined tip deflection threshold. | 05-31-2012 |
| 20120266692 | ASYMMETRIC-CUP ANEMOMETER - A rotational cup anemometer with an improved design for the cups is herein disclosed. The anemometer has a rotational assembly with essentially identical cups. Each cup is asymmetric to the plane of rotation. Each cup has a central axis parallel to the plane of rotation. Each cup is asymmetric to the central axis of the cup. Each cup may have a lower surface extension that provides a lifting surface, contributes to an upward force as the rotational assembly is rotated or affects presented frontal area at wind angles. A rotation rate of the rotational assembly as a function of wind angle is closer to the ideal cosine curve as compared to a standard anemometer, for a range of wind angles. Rotating the rotational assembly in a wind parallel to the plane of rotation produces a net upward force on the cups that offsets the weight of the rotational assembly. | 10-25-2012 |
| 20130167657 | FAN TESTING APPARATUS AND TESTING METHOD - A fan testing apparatus includes an air duct defining an air inlet and air outlet, and at least one anemometer mounted at the air outlet. The fan is received in the air duct to generate airflow in the air duct via the inlet and out of the air duct via the outlet, and the at least one anemometer is used to measure wind speed at the outlet. | 07-04-2013 |
| 20140137665 | Bearing Assembly for an Anemometer - A bearing assembly for an anemometer configured to provide thrust and axial load protection and reduce exposure to potentially degradative debris and/or contaminants. The bearing assembly includes a first shaft and a second shaft and bearings, wherein the bearings are configured to rotate about at least the first shaft while enclosed within a portion of the second shaft. The second shaft is configured to isolate the bearings from any air flow through the anemometer and debris and/or contaminants carried therewith. The bearing assembly further includes a damping member configured to reduce forces imparted upon the bearings, thereby providing protection and preventing premature damage to the bearings from loads. | 05-22-2014 |
| 20150362517 | A WIND TURBINE COMPONENT HAVING AN OPTICAL FIBRE WIND SENSOR - The application relates to a wind turbine component | 12-17-2015 |
| 20160097554 | SMARTPHONE-OPERATED WIRELESS HVAC ANEMOMETER DEVICE AND SYSTEM - A smartphone-operated wireless HVAC airflow anemometer device and system includes an anemometer device having an impeller assembly, an inductor and a controller. A magnet within the impeller assembly generates an oscillating current in the inductor which is proportional to the rotational rate of the impeller. A controller captures and transmits this information wirelessly to an airflow balancing application located on a smartphone device that includes a plurality of algorithms for calculating airflow information. An environmental sensor unit, and an electronic compass are also located within the wireless anemometer device. | 04-07-2016 |
| 073861870 | With flow direction retained in a plane perpendicular to turbine axis | 2 |
| 20130312538 | APPARATUS AND METHOD FOR MEASURING FLOW RATE OF METER - A water meter of the present invention may accurately measure a flow rate and reduce power consumption. The water meter includes a body including an inlet unit and an outlet unit, an impeller unit provided to rotate due to a fluid flowing in the body, a cover member that covers one side of the impeller unit and includes a guide groove formed therein, and sensors that are provided on one side and the other side of the cover member and are spaced apart from each other to face each other. The impeller unit includes blades interfering with the fluid, a shaft forming a rotational center of the blades, and a cut-off unit that extends from one side of the plurality of blades to be inserted into the guide groove, and selectively cuts off signal transmission between the plurality of sensors. | 11-28-2013 |
| 20140326075 | Paddlewheel Flow Meter with Improved Servicability and Improved Reliability Under Harsh Operating Conditions - In a flow meter, a rotor support body carries a paddlewheel rotor in an operational position exposed to a through-flow bore of a flow meter housing. A sensor unit is operable to detect rotation of the rotor and provide output responsive to same for use by a monitoring system in determining a flow rate of fluid passing through the housing. The support body and the sensor unit are removable from the housing, for inspection, service, repair or replacement independently of the housing, with the sensor unit being removable independently of the support body for improved serviceability. The rotor is carried on a support shaft with a reduced diameter portion for contact-free rotation of the rotor around this reduced diameter portion, reducing an area of the shaft over which tight machining tolerances are required to prevent ingress of particulate matter that can lead to inaccurate flow measurements and increased wear rates. | 11-06-2014 |
| 073861890 | Axial supply and delivery | 3 |
| 073861920 | With structure of bearing or turbine support structure | 1 |
| 20090038410 | OPEN BORE TURBINE FLOWMETER - According to the invention, a system for determining at least one property of a fluid flow through a conduit is disclosed. The system may include a bearing, at least one blade member, and a monitoring device. The bearing may be coupled with an interior of the conduit, and may include an inner race, where the inner race may rotate. The blade members may be coupled with the inner race, and may extend from the inner race toward the interior of the conduit. The blade members may rotate when a fluid flows through the interior of the conduit, and the inner race of the bearing may rotate when the blade members rotate. The monitoring device may be configured to determine a rate of rotation of the blade members. At least one property of the fluid flow may be determined based at least in part on the rate of rotation. | 02-12-2009 |
| 073861940 | With magnetic coupling drive assembly | 2 |
| 20090126508 | Turbine Flowmeter - The invention relates to a turbine flowmeter for measuring the consumption of fluids, particularly water. The turbine flowmeter comprises a housing ( | 05-21-2009 |
| 20150362349 | THROUGHFLOW MEASUREMENT DEVICE FOR A BEVERAGE PREPARATION MACHINE - The present invention concerns a throughflow measurement device for a beverage preparation machine for measuring the liquid delivered by means of a pump for beverage preparation, comprising a housing ( | 12-17-2015 |
