U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5901666

Pet Display Clothing

A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 73/861.24 - Movable sensor responsive to vortices


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the vortices cause an element to
No. of patents: 187
Last issue date: 03/15/2011


1          
NumberTitleIssue Date
7905153Flow vortex suppression apparatus for a mass air flow sensor
In various aspects of the invention a flow vortex suppression apparatus for use in an air intake duct having a mass air flow sensor is disclosed. The flow vortex suppression apparatus includes an air flow permeable fibrous vortex dispersive media installed into the ...
03/15/2011
7793554Flexible sensor flow and temperature detector
Methods and apparatuses for detecting the flow volume of a fluid using alternating vortices. ...
09/14/2010
7726201Triple redundancy vortex flowmeter system
A system includes a first shedder that is at least partially disposed in a fluid conduit and that generates vortices within the fluid conduit, a first flow sensor system that is responsive to the vortices generated by the first shedder and a second flow sensor syste...
06/01/2010
7650798Vented high-temperature piezoelectric-based field device
A process fluid sensor for sensing a characteristic of a process fluid is provided. The process fluid sensor includes a metallic sensor body that defines a chamber therein. A piezoelectric crystal element is disposed proximate the chamber and is configured to genera...
01/26/2010
7398165Intelligent signal processor for vortex flowmeter
The present invention discloses an intelligent signal processor of a vortex flowmeter, the signal processor mainly adopts a digital signal processor structure for processing a flow rate of a fluid. The signal processor uses two different algorithms, one primarily us...
07/08/2008
7363809Methods and systems for providing air data parameters using mass flow and pressure sensors
A system is described that is configured to determine a plurality of air data parameters for an air vehicle. The system includes a mass air flow sensor, a pressure sensor, and a controller. The mass air flow sensor is mounted to sense an air flow caused by movement ...
04/29/2008
7363811Measurement 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
7358649Small piezoelectric air pumps with unobstructed airflow
A T-shaped blade, or one or more hollow tubes, are vibrationally excited by one or more piezoelectric elements to generate an airflow from a free end of the blade or tube(s). The airflow may be directed to, or drawn away from, an electronic component to cool the ele...
04/15/2008
7322251Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors
A method, apparatus and system are provided to measure the process flow of a fluid or medium traveling in a pipe. The system and apparatus feature a standoff and piezoelectric-based sensor arrangement having a plurality of standoffs arranged on a pipe and a pluralit...
01/29/2008
7321846Two-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
7316525Vortex induced vibration optimizing system
There is disclosed a system comprising a structure, a vortex induced vibration monitoring system, adapted to monitor a vortex induced vibration level of the structure, a tensioner connected to the structure, and a controller adapted to calculate a tension on the str...
01/08/2008
7308832Strain 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
7290450Process 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
7258024Simplified 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
7259574Sensor device for measuring frequency and amplitude of varying force signals
A sensor device for measuring frequency and amplitude of a varying force signal is provided. The sensor device comprises a sensing element defined by a plurality of even numbered planar segments symmetrically disposed about a central axis, a protective housing for h...
08/21/2007
7224077Bluff 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
7208845Vibration 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
7191638Device 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
7114401Apparatus and methods for abrasive fluid flow meter
A system and method provides a flow measurement system for steady-state and transient flow. A housing contains a sleeve such that the sleeve is isolated from external mechanical loads. A flow measurement element, such as a venture or nozzle, is located in the sleeve...
10/03/2006
7114396Pressure sensor
A pressure sensor has a sensing unit and a pressure transmitting rod housed in a case, and a pressure receiving diaphragm. The case has a sensing unit housing portion and a pipe portion that extends from the sensing unit housing portion in a form of a pipe. The pipe...
10/03/2006
7082840Flanged vortex flowmeter with unitary tapered expanders
A manufacturing procedure of a vortex flowmeter is disclosed that allows for assembly of a vortex sensor assembly with one of two or more unitary flowtubes that have bores that are smaller than the flowtube flanges in two or more size number steps. The unitary flowt...
08/01/2006
7077013Device 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
7073394Scalable averaging insertion vortex flow meter
An insertion vortex flow meter for measuring a flow rate of a process fluid in a pipe has a mounting assembly, a shedding bar and a sensor assembly. The mounting assembly is attached to a surface of the pipe adjacent an opening in a side wall of the pipe. The sheddi...
07/11/2006
7046180Analog-to-digital converter with range error detection
A circuit includes a multiplexer, an analog-to-digital converter, and a processor that compares a sequence of digital outputs from the analog-to-digital converter to a sequence of normal ranges that correspond with the digital outputs in order to provide an error ou...
05/16/2006
7042288Charge amplifier for piezoelectric pressure sensor
An object of the present invention is to provide a charge amplifier which can be operated at low cost so that electric charge generated in a piezoelectric pressure sensor having one end grounded is converted into a voltage signal. In the charge amplifier (...
05/09/2006
7024945Flow sensing apparatus
A flow sensing apparatus for detecting fluid flow rate and direction is described. The flow sensing apparatus includes a flow-responsive element projecting into the fluid flow path, and a position sensor which detects the degree and direction of any change in positi...
04/11/2006
7021148Apparatus and method for sealing pressure sensor membranes
The present invention lessens the amount of air entering between mating membranes of a pressure sensor. The pressure sensor of the present invention includes a transducer portion and separate patient or medical fluid transfer portion or dome. The transducer portion ...
04/04/2006
7021134Microfluidic isolation manifold and methods for microfluidic isolation
Apparatus and methods for isolating a component of a microfluidic analytical system are provided. An isolation manifold including a housing is used to isolate a sensitive component of a microfluidic analytical system from environmental noise and interference, such a...
04/04/2006
7018800Process device with quiescent current diagnostics
A process device for use on an industrial process control system includes a quiescent current sensor configured to sense quiescent current draw of the process device. Diagnostic circuitry determines a diagnostic condition of the process device as a function of the s...
03/28/2006
7007556Method for determining a mass flow of a fluid flowing in a pipe
A method wherein vortices are produced in a flowing fluid by means of a bluff body and the repetition frequency with which the vortices are produced is determined. The repetition frequency is used to determine a flow rate measurement value, which represents a volume...
03/07/2006
7010459Process device diagnostics using process variable sensor signal
A diagnostic device for use in a process control system receives a sensor signal related to a process variable of a process sensed by a process variable sensor. A signal preprocessor provides a sensor power signal output as a function of a frequency distribution of ...
03/07/2006
7004038Fiber optic flow meter
A metering module, or a system employing such, for monitoring fluid flow with a laser light source, a light detector and a processor, wherein the fluid may be a gas or liquid. A valve section and a grating section including a fiber Bragg grating (FBG) are provided. ...
02/28/2006
6997063Apparatus and methods for abrasive fluid flow meter
A system and method provides a flow measurement system for steady-state and transient flow. A housing contains a sleeve such that the sleeve is isolated from external mechanical loads. A flow measurement element, such as a venture or nozzle, is located in the sleeve...
02/14/2006
6993445Vortex flowmeter
A process variable transmitter, implemented in a dual PLL structure, includes a first PLL having a first bandwidth producing a first output signal, and a second PLL having a second bandwidth narrower than the first bandwidth of the first PLL. The first and second PL...
01/31/2006
6973841High pressure retention vortex flow meter with reinforced flexure
A vortex flow meter for measuring fluid flow has a conduit for carrying a fluid. A region of reduced thickness is formed in a portion of the conduit. A shedding bar disposed in the conduit is coupled to the region of reduced thickness and is configured to apply a ro...
12/13/2005
6971259Fluid density measurement in pipes using acoustic pressures
The density of at least one fluid in a pipe is determined using a pair of effective sound speeds a1eff and a2eff of the fluid/pipe system. The pair of effective sound speed measurements is taken at two sensing regions along the pipe wherein eac...
12/06/2005
6904811Apparatus for measuring the flow velocity and/or flow throughput of fluids
A flow meter, such as a gas meter, for measuring the flow velocity and/or the volumetric through-flow of fluids. The flow meter has a body with connecting flanges for connecting the meter to a pipeline for the fluids. The meter has a tubular center piece that, on it...
06/14/2005
6834556Techniques for monitoring health of vessels containing fluids
Some techniques for monitoring health of a vessel include attaching a sensor suite of one or more sensors to an outer skin of the vessel and providing power for the sensor suite based on a temperature difference between a fluid temperature of a contained fluid insid...
12/28/2004
6799475Flowmeter
A flowmeter includes a measuring tube, an ultrasound transducer, an ultrasound waveguide and a seal. The ultrasound transducer connects outside the measuring tube to the ultrasound waveguide, the ultrasound waveguide protruding at least partly into the measuring tub...
10/05/2004
6732589Pressure sensor, a method for manufacturing a pressure sensor and a combustion engine having a pressure sensor
A pressure sensor includes a housing, an interior chamber of which is sealed by a diaphragm, and a flexible measuring element, which is positioned separately. In addition, the pressure sensor includes a transmission element, which is formed as a chip and is used to ...
05/11/2004
1          
 
Sign InRegister
Username  
Password   
forgot password?