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

Icon_funbox Bizarre Patents

Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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 73/861.351 - Mass flow by imparting angular or transverse momentum to the fluid


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein a fluid is accelerated in a direction
No. of patents: 19
Last issue date: 01/18/2011


NumberTitleIssue Date
7870794Device for measuring a mass flow
A device for measuring a mass flow (5) with guide means (4) having a surface shaped as a circular arc, across which the mass flow can flow during the measurement, and a force sensor (2), wherein the guide means (4) is supported above the ...
01/18/2011
7690268Method and device for the continuous gravimetric metering of flowing materials for burner systems
A method for the continuous gravimetric metering of flowing materials for burner systems, in which the instantaneous mass flow is determined and metering occurs by means of a metering unit can be achieved by means of determination of the type of flowing material. Th...
04/06/2010
7503226Method of and apparatus for assessing the effect of a conduit section on flow characteristics of a first fluid
A method of assessing the effect of a conduit section (11) on flow characteristics of a first fluid in a first conduit system (1). A first fluid is caused to flow through the first conduit system (1). A transverse flow parameter of the first flu...
03/17/2009
7353717Vibratory transducer
To conduct a fluid, the transducer has a flow tube which in operation is vibrated by an excitation assembly and whose inlet-side and outlet-side vibrations are sensed by means of a sensor arrangement. To produce shear forces in the fluid, the flow tube is at least i...
04/08/2008
7110899Phase measurement in measuring device
Methods and apparatus for determining the phase of a signal in a measurement device having a digital signal processor are described. The signal is digitised and the digitised signal, or a signal derived therefrom, is numerically correlated with a numerically generat...
09/19/2006
6952971Apparatus for measuring a mass flow
The invention relates to a device for measuring a mass flow, comprising a measuring wheel (3) that is supported by a shaft (4) and that is driven and impinged axially by the mass flow. Said wheel deflects the flow, giving it both radial and tangential ...
10/11/2005
6782325Programmable coriolis flow meter electronics for outputting information over a single output port
Flow meter electronics are described for providing a flow rate of a material flowing through a flow meter sensor of a Coriolis flow meter. The flow meter electronics comprise a processing system and a single output port. The processing system receives pick-off signa...
08/24/2004
6698644Use of silver-copper-palladium brazing alloys
A single-tube Coriolis mass flow sensor includes a stainless steel sleeve having an unplated interior surface and a titanium member having a cylindrical end inserted into the stainless steel sleeve. The exterior surface of the titanium cylindrical end for...
03/02/2004
6435039Method and device for continuous gravimetric assaying
An apparatus for continuous, gravimetric metering and mass flow determination of flowable materials includes a metering device that is configured to determine instantaneous mass flow at an anticipatory control point ahead of a delivery point at which flow...
08/20/2002
6308553Self-normalizing flow sensor and method for the same
An apparatus to normalize a flow rate of a fluid in a main flow channel is provided. The apparatus uses a moveable member, such as a flexible membrane disposed for reciprocating displacement, to produce a constant dither flow of the fluid that is independ...
10/30/2001
6237409Device for generating a continuous stream of bulk material and determining the transfer rate or batch amount thereof
The invention concerns a device for producing a stream of bulk material, which device is designed so that bulk material is introduced through a pipe axially into a rotating pot. Owing to acceleration and centrifugal force the bulk material moves toward th...
05/29/2001
5965824Vibration type measuring instrument
A vibration type measuring instrument measures at least one of density and mass flow rate of a fluid in a straight measurement pipe by vibrating the pipe. The vibration type measuring instrument comprises the pipe; a sensor for detecting the vibration of ...
10/12/1999
5687100Vibrating tube densimeter
A Coriolis effect densimeter which produces density output data of improved accuracy by embodying the principal that the natural frequency of a vibrating tube filled with material decreases with an increase in the material mass flow rate. High accuracy ou...
11/11/1997
5583302Redundant mass flow meter
A redundant mass flow meter comprises a casing housing a main rotor and an ntermediate rotor which is freely rotatable and is disposed coaxially with a rotationally restricted turbine between the turbine and the casing, a first measuring system for measuri...
12/10/1996
4821581Method and apparatus for the continuous measuring of bulk material passing over a measuring wheel
The quantity of a flow of bulk material passing over a measuring wheel is continuously measured by measuring the load r.p.m. of the wheel or of a motor driving the wheel and the power output torque of the motor. The resulting r.p.m. and torque values are ...
04/18/1989
4805462Method and apparatus for continuously measuring a flow rate of a stream of flowable bulk material
In a method for continuously determining the delivery rate of a stream or flow of loose bulk material and/or for continuously dosing such material, the loose material is caused to travel along part of a circular path and is then removed from that circular...
02/21/1989
4523479Fluid flow measuring device
A mass flow meter for fluids flowing through a conduit wherein the fluid passes through an axial flow driving impeller. A balancing impeller attached to the driving impeller by a shaft rotates in a damping fluid provides a linear torque versus rotational ...
06/18/1985
4503712Mass flowmeter
Apparatus for measuring mass rate of flow of fluid has a fluid driven turbine including a bladed rotor mounted in a conduit through which the fluid flows. The rotor blades are elastically deformable under the action of the flowing fluid and the angles of ...
03/12/1985
4449414Fluid-responsive apparatus
Apparatus for measuring mass flow or density of fluid has a turbine mounted resiliently by torque rods within the fluid-flow line. The turbine has a number of vanes that extend radially to define passages parallel to the flow of fluid in the fluid-flow li...
05/22/1984
 
Sign InRegister
Username  
Password   
forgot password?