Class 137/832 - Means (e.g., valve) in control input

Subclass of Class 137 - Fluid handling
Definition: Device wherein said member is a means located in or adjacent
No. of patents: 23
Last issue date: 01/05/2010

Number	Title	Issue Date
7640947	Microfabricated fluidic circuit elements and applications Microfabricated fluidic devices of the present invention include switches that can be opened and closed to allow or block the flow of fluid through a channel in response to the pressure level in a gate of the switch. The microfabricated fluidic switches may be coupl...	01/05/2010
7392827	Microfabricated fluidic circuit elements and applications The present invention provides microfabricated fluidic systems and methods. Microfabricated fluidic devices of the present invention include switches that can be opened and closed to allow or block the flow of fluid through a channel in response to the pressure leve...	07/01/2008
7326296	High throughput screening of crystallization of materials High throughput screening of crystallization of a target material is accomplished by simultaneously introducing a solution of the target material into a plurality of chambers of a microfabricated fluidic device. The microfabricated fluidic device is then manipulated...	02/05/2008
7318912	Microfluidic systems and methods for combining discrete fluid volumes Microfluidic devices capable of combining discrete fluid volumes generally include channels for supplying different fluids toward a sample chamber and means for establishing fluid communication between the fluids within the chamber. Discrete fluid plugs are defined ...	01/15/2008
7302970	Liquid delivery device A micro liquid delivery device includes a flow channel for flowing a liquid, at least two pressure-generators for generating pressures provided in the flow channel, and a variable member placed between the pressure-generators and capable of transforming between a fi...	12/04/2007
7169602	Sample substrate for use in biological testing and method for filling a sample substrate A sample substrate for use in biological testing is provided having a first member defining at least one sample well and a second member including at least one sample well closure element. The at least one sample well closure element may be configured to substantial...	01/30/2007
7140389	Vacuum producing device A vacuum producing device (1) possessing a principal suction nozzle unit (2) with a shut off valve (27) on the upstream side thereof and an additional suction nozzle unit (3) connected in parallel to the principal suction nozzle unit (...	11/28/2006
7080664	Fluid amplifier with media isolation control valve A fluid amplifier is presented. The fluid amplifier comprises at least one control valve for controlling at least one of a first control fluid flow and a second control fluid flow. That is, the control valve has a movable element for selectively opening and closing ...	07/25/2006
7051512	Fluidic diverter valve with a variable valve-bore clearance A fluidic diverter valve includes valve element freely disposed within a valve bore. The valve bore has a cross sectional area that varies. As a result, the clearance between the valve element and an inner surface of the valve bore also varies. This variation in cro...	05/30/2006
7000638	Diverter valve with multiple valve seat rings A diverter valve includes a valve bore having a set of valve seats associated with each fluid outlet port. Each set of valve seats is at least partially separated from one another by a flow channel. The valve seat configuration increases the impact area for the valv...	02/21/2006
6953058	Microfabricated fluidic circuit elements and applications The present invention provides microfabricated fluidic systems and methods. Microfabricated fluidic devices of the present invention include switches that can be opened and closed to allow or block the flow of fluid through a channel in response to the pressure leve...	10/11/2005
6941967	Air-distribution system An air-distribution system comprises a fluid device that enables deviation of a flow of air that traverses a main duct (6S; 6D) into a first secondary duct (7S, 7C) and a second secondary duct (7C, 7D), exploiting the Coanda...	09/13/2005
6802342	Microfabricated fluidic circuit elements and applications The present invention provides microfabricated fluidic systems and methods. Microfabricated fluidic devices of the present invention include switches that can be opened and closed to allow or block the flow of fluid through a channel in response to the pressure leve...	10/12/2004
5697402	Apparatus 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
5226213	Rake valve for air-fiber streams A maintenance-free valve for impeding the flow of fibers in a high velocity air-fiber stream. The valve has a rake-like construction to impede fiber flow when in the closed position. The valve has a plurality of closely-spaced, parallel tines attached to ...	07/13/1993
4786230	Dual volute molten metal pump and selective outlet discriminating means This invention relates to improvements in molten metal pumps for the transfer of principally molten aluminum and zinc from specialized molten and holding furnaces through fluidics control means downstream of the pump to control the direction of flow of mo...	11/22/1988
4617970	Fluidic sensor of objects A fluidic sensor of objects comprising a body in which there are mounted an emitting nozzle connected to a feeding chamber connected to a feeding conduit, and an intake nozzle disposed in the area defined by the emitting nozzle and connected to an outlet ...	10/21/1986
4407186	Flow outlet structure for automotive air conditioner A flow outlet structure for an automotive air conditioner which is equipped with a louver having a plurality of movable slats and a fluidic element to cyclically change the direction of flow laterally of the automobile as long as the angle of the slats of...	10/04/1983
4393897	Fluid outlet structure A fluid outlet structure includes cavities formed in both inner sidewalls of the outlet having control fluid passages from which control fluid is jetted toward a center of the outlet to deflect fluid flowing through the outlet. According to the invention,...	07/19/1983
4164961	Fluidic pressure/flow regulator A fluidic flow or pressure regulator which utilizes a linear and a non-lir resistance arranged in parallel supplying control passages to change the direction of a jet as a function of the pressure of an unregulated fluid source. An output means is provid...	08/21/1979
4027407	Jet flow alternator A jet flow alternator for reversing the flow of a confined fluid stream which includes selectively controlled tubes to cause said stream to flow in either one of two directions under pressure....	06/07/1977
3949576	Liquid flow diversion arrangement An improved liquid flow diversion arrangement for use with an additive dispensing system in an automatic washer. Included is a liquid flow diverter of the transverse pressure differential type having control ports coupled to atmosphere by tubes whose open...	04/13/1976
3942559	Electrofluidic converter The converter includes a pressure fluid operated, bistable fluidic element, n the form of a fluid oscillator, having a pressure fluid supply inlet opening into an interaction chamber, two outlets extending downstream from the interaction chamber to the ext...	03/09/1976

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Class 137/832 - Means (e.g., valve) in control input