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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8079271 | Measuring system with a flow conditioner arranged at an inlet of a measuring tube A measuring system includes a measuring transducer having a measuring tube serving for conveying medium and a sensor arrangement and measuring electronics communicating with the measuring transducer and using the at least one measurement signal for producing, at lea... | 12/20/2011 |
| 8069734 | Multi-vortex flowmeter integrating pressure gauge A multi-vortex flowmeter includes a vortex type detection device including a measurement tube provided in a flow channel to allow a fluid to be measured to pass, a vortex generator provided in the measurement tube to face a flow of the fluid to be measured, and a vo... | 12/06/2011 |
| 8056424 | Multi-channel flow sensor with extended flow range and faster response A fluid flow device having a vortex generator in two or more channels, each channel having a section to scale the flow velocity to a desirable range of Reynolds number, and vortex shedding and/or vortex passing frequency. Said flow device may be used as a flow meter... | 11/15/2011 |
| 8042411 | Small line size vortex flowmeter A vortex flowmeter and method includes a conduit for process fluid flow and a shedder disposed within the central bore of the conduit. First and second diaphragms are mounted in inner wall portions of the conduit, on opposite sides of the shedder. A sensor is dispos... | 10/25/2011 |
| 7946185 | Converter pulse width shaping circuit and excessive vortex flow rate meter A converter pulse width shaping circuit (6) according to the present invention is provided between a waveform shaping apparatus (4) and an erroneous output preventing apparatus (5) that are provided between a flow rate detecting portion (1 | 05/24/2011 |
| 7946186 | Measuring system with a flow conditioner arranged at an inlet of a measuring tube The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes for such purpose a measuring transducer having a measuring tube servin... | 05/24/2011 |
| 7926361 | Measuring system with a flow conditioner arranged at an inlet of a measuring tube A measuring system for registering a measured variable of a flowing medium. A measuring transducer, a sensor arrangement, measuring electronics, a measuring tube and a flow conditioner are included. The sensor arrangement has at least one sensor element which delive... | 04/19/2011 |
| 7895904 | Multi-vortex flowmeter employing volume flow rate as switching point A multi-vortex flowmeter includes a vortex flowmeter for measurement by volume flow rate and a thermal flowmeter for measurement by mass flow rate to selectively use the two flowmeters according to the flow rate of fluid to be measured flowing through a flow channel... | 03/01/2011 |
| 7882751 | Measuring system with a flow conditioner for flow profile stabilization A measuring system is inserted into the course of a process line for a flowing medium and includes a measuring transducer with a measuring tube for conveying the medium and with a sensor arrangement for generating at least one measurement signal influenced by a meas... | 02/08/2011 |
| 7878073 | Measuring system with a flow conditioner arranged at an inlet of a measuring table The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes for such purpose a measuring transducer having a measuring tube servin... | 02/01/2011 |
| 7861602 | Explosion-proof high temperature compatible, multi-vortex flow meter A temperature-sensitive sensor (21) and a heating temperature-sensitive sensor (22) are fixed in position in a liquid-tight fashion by welding, with the metal tubular bodies (36 and 37) being inserted into the tubular body insertion holes... | 01/04/2011 |
| 7836780 | Sensor tube with reduced coherent vortex shedding A device comprises a sensor tube for placement in a process flow and a flow-modifying element. The flow-modifying element is formed on the sensor tube, in order to reduce flow-induced vibrations by reducing coherent vortex shedding in the process flow. ... | 11/23/2010 |
| 7644633 | Vortex flowmeter with temperature compensation A vortex flowmeter has a vortex sensor and terminals that receive a thermal junction output from a thermowell assembly that is remote from the vortex flowmeter. The vortex flowmeter has a data input that receives data representing a thermal property of the thermowel... | 01/12/2010 |
| 7637170 | Leak check device for vortex sensor replacement A vortex flowmeter measures process fluid flow. The vortex flowmeter includes a conduit that carries the process fluid. A sensing device is housed in a cavity of a sensor body that is coupled to the conduit. A flexure is disposed in a portion of the conduit. The fle... | 12/29/2009 |
| 7624649 | Vortex flowmeter A vortex flowmeter is disclosed, which includes, among other features, a closed measuring tube, through which a flowable medium that is to be quantitatively measured flows, the medium flowing against a disturbing element that is arranged in the measuring tube. A vib... | 12/01/2009 |
| 7603914 | Measuring system with a flow conditioner arranged at an inlet of a measuring tube The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes for such purpose a measuring transducer having a measuring tube servin... | 10/20/2009 |
| 7600436 | Measuring system with a flow conditioner arranged at an inlet of a measuring tube The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes for such purpose a measuring transducer having a measuring tube servin... | 10/13/2009 |
| 7533579 | Reduced bore vortex flowmeter having a stepped intake A reduced bore vortex flowmeter and flowmeter body includes a fluid inlet couplable in series to an upstream portion of a fluid flow conduit. The inlet fairs into a central bore having a transverse cross-sectional dimension less than that of the conduit, and which h... | 05/19/2009 |
| 7487686 | High-precision vortex flow meter A high-precision vortex flow meter includes a blunt body having a predetermined dimension and being arranged inside a fluid channel to serve as a vortex shedder. The vortex flow meter also includes a temperature detecting device for detecting the vortex shedder temp... | 02/10/2009 |
| 7444885 | Vortex flow measuring instrument The vortex flow meter provides a surface which is simple but nevertheless resistant to the substances to be measured. All parts of the measurement tube of the vortex flow meter which come in contact with the substance to be measured are coated with a less noble mate... | 11/04/2008 |
| 7409872 | Vortex flow meter It is an object to provide a vortex flow meter with less measurement errors caused by a temperature change, a pressure change, and a mechanical vibration, and capable of performing a precise measurement regardless of conditions, in addition, to provide a vortex flow... | 08/12/2008 |
| 7369063 | Encoder signal processing circuit including a direction determining/counting unit An encoder signal processing circuit includes: a plurality of detectors adapted to generate signals with different phases; a switching circuit adapted to alternatively select and output a signal from the detectors; and a waveform shaping circuit adapted to shape wav... | 05/06/2008 |
| 7369230 | Apparatus and method for measuring particulate flow rate An apparatus for measuring the rate of flow of a volume of particulate material comprising a transparent tube of known cross-sectional area, means for supplying a flow of particulate material through the transparent tube, and an optical signal sensor for receiving a... | 05/06/2008 |
| 7366621 | Program product to measure density, specific gravity, and flow rate of fluids Program product to measure fluid flow characteristics in a pipeline is provided. A vortex-shedding body is positioned within the pipeline to form vortices. A vortex meter can include a vortex frequency sensor to measure the frequency of the vortices to determine the... | 04/29/2008 |
| 7363811 | Measurement pickup A measurement pickup is provided offering a high measure of safety and having a measurement pickup housing, a sensor element arranged in the measurement pickup, at least one connection element closing the measurement pickup housing, and an excess-pressure protection... | 04/29/2008 |
| 7359803 | Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe An apparatus 10,70 and method is provided that includes a spatial array of unsteady pressure sensors 15-18 placed at predetermined axial locations X1-XN disposed axially along a pipe 14 for measuring at least one par... | 04/15/2008 |
| 7357523 | Illuminating keyboards An illuminating keyboard is provided. An illuminating keyboard includes a key module, a light guide plate, and a light source. The key module includes one or more keys. The light guide plate is disposed beneath the key module and includes a plurality of openings. Th... | 04/15/2008 |
| 7338202 | Ultra-high temperature micro-electro-mechanical systems (MEMS)-based sensors Novel micro electro mechanical systems (MEMS)-based sensors for use in ultra-high temperature environments are disclosed. The MEMS-based sensors are derived from a class of polymer-derived ceramics selected from the group consisting of SiCN, SiBCN and SiAlCN. The ma... | 03/04/2008 |
| 7321846 | Two-wire process control loop diagnostics A diagnostic device for coupling to a process control loop includes digital communication circuitry configured to receive a digital communication signal from the process control loop. The digital communication signal is a digitally modulated analog signal on the pro... | 01/22/2008 |
| 7308832 | Strain gage differential pressure measurement in a fluid flow meter Apparatus and method for strain gage measurement of differential pressure across a body inserted into a flowing fluid where the body includes an exterior upstream facing portion, an exterior downstream facing portion and interior surfaces. At least one first electri... | 12/18/2007 |
| 7290450 | Process diagnostics A diagnostic device for use in a industrial process includes monitoring electronics or diagnostic circuitry configured to diagnose or identify a condition or other occurrence in the industrial process. The system can be implemented in a process device such as a flow... | 11/06/2007 |
| 7258024 | Simplified fluid property measurement A process fluid measurement system provides a first measurement relative to process fluid flowing in a pipe. An additional measurement of process fluid flow velocity in the pipe is combined with the first measurement to provide a simplified indication of mass fluid ... | 08/21/2007 |
| 7257495 | Flow meter filter system and method A flow meter filter system (200) according to an embodiment of the invention includes a noise pass filter (203) configured to receive a first version of a flow meter signal and filter out the flow meter data from the flow meter signal to leave a noise ... | 08/14/2007 |
| 7254518 | Pressure transmitter with diagnostics In one embodiment, a pressure transmitter is provided which diagnoses the condition of a primary element and/or an impulse line which connects to a pressure sensor. A difference circuit coupled to the pressure sensor has a difference output which represents the sens... | 08/07/2007 |
| 7243556 | Airflow sensor An airflow sensor for use in a conduit. The sensor comprises stacked first, second and third portions positioned, in use, in the conduit to define a hub and a plurality of tubes. The hub is centrally disposed in the conduit and has first and second interior chambers... | 07/17/2007 |
| 7237440 | Flow measurement apparatus having strain-based sensors and ultrasonic sensors A flow measurement apparatus is provided that combines the functionality of an apparatus that uses strain-based sensors and ultrasonic sensors to measure the speed of sound propagating through a fluid flowing within a pipe, and measure pressures disturbances (e.g. v... | 07/03/2007 |
| 7224077 | Bluff body energy converter A power generating system comprises a bluff (non-streamlined) body placed in a fluid stream at ninety degrees to the flow direction for creating a von Karman vortex street behind the body. In the process, feedback forces are generated that excite the bluff body into... | 05/29/2007 |
| 7212928 | Multi-measurement vortex flow meter Two-wire transmitters are described in which the required voltage that a control room must supply to the transmitter is lower at high current than at low current, thus freeing up more voltage for other uses, and in which a constant set of operating voltages may be m... | 05/01/2007 |
| 7208845 | Vibration based power generator A vibration based power generator. In a described embodiment, an electrical power generating system includes a vibrating assembly including a vortex shedding device which sheds vortices in response to fluid flow across the vibrating assembly. A generator generates e... | 04/24/2007 |
| 7191638 | Device for determining and/or monitoring at least one physical parameter and having a piezo-drive for oscillation-excitation and -detection A device for determining and/or monitoring at least one physical parameter of a medium, having at least one mechanically oscillatable unit and at least one drive-/receive unit. The drive-/receive unit excites the oscillatable unit to oscillate, or, it receives the o... | 03/20/2007 |
