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Class 137/814 - System comprising plural fluidic devices or stages


Subclass of Class 137 - Fluid handling
Definition: Subject matter provided with two or more devices of the
No. of patents: 22
Last issue date: 04/08/2008


NumberTitleIssue Date
7354429Device and method for detecting and treating chemical and biological agents
A device and method capable of sensing the presence of biochem agents, and preferably also capable of delivering precise amounts of one or more antidotes to treat a victim exposed to the agents. The device includes a freestanding tube portion having an internal pass...
04/08/2008
7128082Method and system for flow control with fluidic oscillators
A system for control of a fluid flow. The system includes an array of fluidic oscillators. Each fluidic oscillator carries an oscillating flow of the fluid and includes a throat, an input port connected to the throat, two control ports connected to the throat and tw...
10/31/2006
7059351Surface-tension-guided liquid transportation device
A liquid transportation device includes a working board, a working liquid, a liquid channel and a cover board, wherein the liquid channel is formed on a top surface of the working board, the covering board is fully covered the liquid channel, the liquid channel comp...
06/13/2006
6932114Fluid delivery system and method
A fluid delivery system capable of delivering a precise amount of fluid and monitor certain properties of the fluid so that the correct fluid is safely delivered to its intended destination. The system makes use of a flow sensor comprising a freestanding tube portio...
08/23/2005
6840280Flow through ultrasonic processing system
These and other objects of the present invention are achieved by provision of a flow through ultrasonic system for facilitating the flow of flow-resistant materials. The system includes a supply of material and an ultrasonic horn having at least one passage extendin...
01/11/2005
6798859Branch amplifier card
A branch amplifier card for a nuclear reactor control rod drive control system is provided. The control system includes a control processor, a plurality of transponder cards arranged in clusters with each cluster under the control of a branch amplifier card. The bra...
09/28/2004
6397877Blowdown manifold evacuator for nuclear power plants
A blowdown manifold for a nuclear power plant includes a main conduit section, at least one coolant exhaust conduit, and at least one fluidic device. The main conduit section is connected to a pressure relief system in the nuclear power plant. The coolant...
06/04/2002
6319214Valve-less fluid control circuit for rhythmic action devices
A valve-less fluid control circuit for controlling rhythmic action devices, such as circulatory assist devices. The fluid control circuit has a plurality of pressure sensitive fluid oscillators for circulating a fluid. Each fluid oscillator includes a cap...
11/20/2001
5876187Micropumps with fixed valves
Micropumps fabricated by micromachining techniques and employing fixed or no-moving-parts valves. As one aspect of the invention, a laser-assisted chemical etching technique is employed for providing smooth-walled, curved configuration necessary to obtain...
03/02/1999
5697402Apparatus for melt mixing synthetic polymers
A system for mixing first and second polymer melt flows and directing a mixed polymer melt flow to one and another downstream locations includes a control valve having an inlet port for receiving the first polymer melt flow, and a pair of outlet ports, an...
12/16/1997
5485935Capture system employing diverter fluid nozzle
A method and apparatus are disclosed for capturing coating debris during laser ablation of a photoreceptor comprising: (a) enclosing a predetermined length of a coated substrate in a housing to result in an enclosed coated substrate portion, wherein there...
01/23/1996
5460284Capture system employing annular fluid stream
A method and apparatus are disclosed for capturing coating debris during laser ablation of a photoreceptor comprising: (a) enclosing a predetermined length of a coated substrate in a housing to result in an enclosed coated substrate portion, wherein there...
10/24/1995
5265636Fluidic rectifier
A single-stage and multiple-stage fluidic rectifier wherein each stage has a trunk channel and a reversing channel that joins the trunk channel at a downstream position of the trunk channel, downstream with respect to fluid flowing in a reverse direction ...
11/30/1993
4502575Shock absorber
A shock absorber has a piston which comprises upper and lower members. The upper and lower members are fixedly assembled to define therein the vortex chamber. The piston has vertically-extending channels on the periphery thereof to define the vertical sec...
03/05/1985
4494422Fluidic transmission controller
A transmission controller that includes a series of fluidic comparators receiving power signals from selected ports in a manually-actuable range selector valve. Hydraulic signals representing engine throttle position and transmission output speed are beam...
01/22/1985
4467984Angular rate sensing apparatus and methods
A three-axis navigational guidance system utilizes three specially designed internal jet-type fluidic angular rate sensors which simultaneously sense the rotational rate of a guided body relative to three mutually perpendicular control axes. Fluidic outpu...
08/28/1984
4441525Fluidic stabilization control
A fluidic system for stabilizing movement of a body subject to oscillation at its natural frequency, such as a tank-mounted gun, with appropriate circuitry and controls for notch filtering control output signals at the natural frequency....
04/10/1984
4371753Miniature fluid-controlled switch
A fluid-controlled switch capable of being mass produced and densely spaced, having two groups of fluid control inputs, at least two fluid outputs, and an internal movable mass is disclosed. The fluid energy necessary for switching is used economically, f...
02/01/1983
4256015Fluidic stabilization control
A fluidic system for stabilizing movement of a body subject to oscillation at its natural frequency, such as a tank-mounted gun, with appropriate circuitry and controls for notch filtering control output signals at the natural frequency....
03/17/1981
4246990Remote control system for an automotive transmission in an earth-moving vehicle
A remote control system for an automotive transmission in an earth-moving vehicle which includes a fluidic variable frequency oscillator having a variable feedback loop controlled by a quadrant lever which acts as a gear shift control. When the lever is m...
01/27/1981
4202061Lavatory wastewater disposal system for aircraft
In an airplane having a pressurized passenger section, with a lavatory sink. The waste water from the lavatory sink is directed either to a toilet tank where it is stored, or to a drain mast line where it is discharged overboard during in-flight operation...
05/13/1980
3942558Torsional reed reference fluidic oscillator
A torsional reed reference fluidic oscillator operating within 0.1% of the desired frequency over a temperature range of -65° to +165°F and an operating pressure of from 1 to 4 psi. The oscillator includes a torsional reed fluidic amplifier and fluidic ...
03/09/1976
 
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