Class 138/42 - Tortuous path

Subclass of Class 138 - Pipes and tubular conduits
Definition: Devices in which the path of flow of the fluid is tortuous.
No. of applications: 40
Last issue date: 08/11/2011

Application No.	Application Title	Issue Date
20110192483	WATER CONSUMPTION SAVING DEVICE TO FAUCETS IN GENERAL Water economizer device applicable to general fittings intended for its installation in hot and cold water feeding pipes and especially between the water supply pipe for shower artifacts whereby water consumption is reduced and the same water effect and the same sensati...	08/11/2011
20110139286	Water-saving antiblocking anti-splash waterfall head core A water-saving antiblocking anti-splash waterfall water curtain head core comprises a housing and a flow leading mouth set inside the housing; a block is set under the flow leading mouth, and there are spaces between the upper surface of the block and the exit of the fl...	06/16/2011
20110083420	Subsonic and Stationary Ramjet Engines A ramjet engine (3, 4, 5), flying at Mach 3 has 64% efficiency, and at Mach 4 has 76% efficiency. Ramjet engines are currently only used for supersonic flight and have not been used as stationary engines with mechanical output. The present invention, in addition ...	04/14/2011
20110064565	HARNESS CABLE A conduit assembly for the communication of electricity, light or fluid, including at least one conduit, wherein the conduit assembly also includes a core member, the at least one conduit in contact with the core member and arranged in a convoluted path defined with res...	03/17/2011
20110042092	ALTERNATING FLOW RESISTANCE INCREASES AND DECREASES FOR PROPAGATING PRESSURE PULSES IN A SUBTERRANEAN WELL A method of propagating pressure pulses in a well can include flowing a fluid composition through a variable flow resistance system which includes a vortex chamber having at least one inlet and an outlet, a vortex being created when the fluid composition spirals about t...	02/24/2011
20110030829	CHANNEL SYSTEM A channel system is disclosed for optimising the relation between pressure drop and heat, moisture and/or mass transfer of fluids flowing through the system. In at least one embodiment, the channel system includes at least one channel having at least one channel wall an...	02/10/2011
20100319799	FLUID PRESSURE REDUCTION DEVICES An example fluid pressure reduction device includes a plurality of nested cylinders forming a hollow structure comprising an inner surface and an outer surface. The device also includes a plurality of passageways extending between the inner and outer surfaces through th...	12/23/2010
20100263758	High Flow Nozzle System for Flow Control in Bladder Surge Tanks A surge tank is sized to retain a volume of fluid. A fluid inlet/outlet port is attached to the tank, and an elastomeric bladder is disposed within the tank and separates the fluid from a volume of gas. A nozzle system is disposed within the tank and has a nozzle member...	10/21/2010
20100224275	FLOW STRAIGHTENING APPARATUS An apparatus for straightening fluid flow in a conduit or pipeline, such as an irrigation pipeline, resides in an integral assembly of a conical fluid flow displacement member effective to substantially lineralize the velocity profile of fluid flowing through the pipeli...	09/09/2010
20100175768	NOISE REDUCING FLUID PASSAGEWAYS FOR FLUID FLOW CONTROL DEVICES Trim disk assemblies for use in fluid flow control devices include a first disk and a second disk. An elongated void is formed in a surface of each of the first disk and the second disk. The second disk is aligned with the first disk to provide fluid communication betwe...	07/15/2010
20100071793	APPARATUS FOR STABILIZATION AND DECELERATION OF SUPERSONIC FLOW INCORPORATING A DIVERGING NOZZLE AND PERFORATED PLATE An apparatus is disclosed for reducing pressure and velocity of a particulate-laden, supersonic vent gas stream from a pressure vessel such as an autoclave. The apparatus includes a diverging duct in which the vent gas expands, and a perforated plate located inside the ...	03/25/2010
20090255601	FLUIDIC CONDUIT WITH REPEATED DISTURBANCE OF LAMINAR FLOW A fluidic device, the fluidic device comprising a planar fluidic conduit for conducting a fluid, wherein the fluidic conduit has a plurality of fluidic disturbance features located along at least a section of the fluidic conduit for disturbing a laminar flow of the flui...	10/15/2009
20090255239	EXHAUST SYSTEM WITH O2 SENSOR The present invention relates to an exhaust system having a riser adapted to be mounted to the exhaust inlet of a marine engine and a turndown connected to the riser. The riser and turndown define a primary exhaust passage to direct exhaust gases downwardly toward the d...	10/15/2009
20090201761	Swirling flow producing apparatus, method of producing swirling flow, vapor phase generating apparatus, microbubble generating apparatus, fluid mixed and fluid injection nozzle There are provided a fluid injection nozzle, a fluid mixer, a microbubble generating apparatus, a vapor phase generating apparatus, a method of producing swirling flow, and a swirling flow producing apparatus that can be applied to any kind of fluid and can efficiently ...	08/13/2009
20090199657	FLUID FLOW RECTIFYING DEVICE AND FLOW METER USING THE SAME To provide a fluid flow rectifying device wherein the fluid flow rectifying device can be secured easily in the inlet of a flow path and wherein the flow path structure can be simplified and the fastening operation can be made more efficient. A fluid flow rectifying dev...	08/13/2009
20090165879	Fluid Flow Labyrinth A labyrinth channel for reducing pressure and/or flow rate in a liquid flowing in the channel, the labyrinth channel having a bottom surface and first and second opposing walls and comprising: a first array of spaced apart first baffle teeth that have non-parallel upstr...	07/02/2009
20090101223	REGULATOR FOR CLUTCH A regulator for a clutch includes a regulator housing, first and second plates in the regulator housing, and a support plate attached to the regulator housing. The first plate may be convex in a direction opposite the second plate. The first plate may include at least o...	04/23/2009
20090090424	PIPING HAVING FLUID-MIXING REGION An object is to prevent thermal fatigue, resulting from variations in temperature interfaces, of piping having a fluid-mixing region where fluids of different temperatures are mixed. Piping 1 having a fluid-mixing region M includes a reducer 5 including an...	04/09/2009
20090078329	FLUID FLOW PASSSAGE STRUCTURE AND MANUFACTURING METHOD THEREOF A fluid flow passage structure and a manufacturing method therefor are provided, in which fluid flow passages can be easily produced employing a simple structure and process, while also being suitable for reducing the weight thereof. Wire members having a predetermined ...	03/26/2009
20080210326	Control Valve with Vortex Chambers A fluid flow control valve comprises a plurality of vortex, fluid pressure reduction chambers 1, each vortex chamber having an inlet in the form of a curved flowpath 2 having an inlet orifice 3 of defined cross sectional area which decreases along t...	09/04/2008
20080169035	Fluid flow control device A flow control device having no moving parts that controls fluid flow along a fluid pathway in such a way that flow rate remains constant irregardless of environmental changes. The device achieves a constant flow rate by taking advantage of the properties of the fluid m...	07/17/2008
20080163950	Inlet Stratification Device An inlet stratification device (5) for a circuit circulating a fluid through a tank (1) and for providing and maintaining stratification of the fluid in the tank (1). The stratification device (5) is arranged vertically in the tank (1)...	07/10/2008
20080099093	HIGH FLOW NOZZLE SYSTEM FOR FLOW CONTROL IN BLADDER SURGE TANKS A surge tank is sized to retain a volume of fluid. A fluid inlet/outlet port is attached to the tank, and an elastomeric bladder is disposed within the tank and separates the fluid from a volume of gas. A nozzle system is disposed within the tank and has a nozzle member...	05/01/2008
20080060712	Turbine inverter Disclosed is a fluid flow diverting device comprising a hollow main body and a plurality of blades protruding into the interior of the main body. The blades are positioned along the interior surface of the main body in multiple layers. The blades of each successive laye...	03/13/2008
20080041481	FLOW RESTRICTOR A flow restrictor with a first disk having at least one inlet and at least one outlet and a flow path and a second disk having no flow path. The first disk and the second disk being stacked together. A mass flow controller comprising with an input, an output, a flow pat...	02/21/2008
20080037366	Meter flow conditioner A fluid conditioner for a fluid traveling through a conduit, the conduit having a longitudinal axis and substantially circular cross-section. The fluid conditioner includes a static mixing element and a straightener plate. The preferred static mixer is one having a flat...	02/14/2008
20070240774	Fluid pressure reduction devices An example fluid pressure reduction device includes a hollow cylinder having an inner surface and an outer surface and a plurality of passageways extending between the inner and outer surfaces. Each passageway delimits an aperture having a cross-sectional area and a wet...	10/18/2007
20070209990	Water Conditioner A water conditioner includes a plate located diametrically across a pipe and a plurality of posts in lines on, or substantially parallel to, the longitudinal axis of the plane and extending from either side thereof, to be close to the periphery of a pipe with which the ...	09/13/2007
20070131296	Flow restrictor device for a medical apparatus A medical apparatus flow restrictor includes a housing having an inlet and an outlet, and a fluid flow path defined through the housing between the inlet and outlet. At least one pair of opposed restriction surfaces are provided in contact with each other within the hou...	06/14/2007
20070102053	Plumbing fill valve restrictor and regulator apparatus A toilet fill valve device may function as a restrictor to reduce water flow, or as a regulator to cap water flow beneath a certain limit depending upon its orientation. If composed of a rigid material, the device functions as a restrictor to decrease water flow. If com...	05/10/2007
20060207672	Method and a device for slowing down and disintegrating a plug of liquid plunging forward in a duct A device for slowing down and disintegrating a plug of liquid plunging forward in a duct includes a container having a bottom and an opposite inlet, which is connectable to the duct and through which the plug of liquid can be directed into a central, axial trajectory in...	09/21/2006
20060191584	Noise reducing fluid passageways for fluid flow control devices Trim disk assemblies for use in fluid flow control devices include a first disk and a second disk. An elongated void is formed in a surface of each of the first disk and the second disk. The second disk is aligned with the first disk to provide fluid communication betwe...	08/31/2006
20060124186	Energy attenuation apparatus for a conduit conveying liquid under pressure, system incorporating same, and method of attenuating energy in a conduit An energy attenuation apparatus in fluid communication with tubing adapted to convey a liquid under pressure, and including a liquid-conveying unit in fluid communication with the tubing and having a diameter greater than the tubing diameter. The liquid-conveying unit h...	06/15/2006
20060108014	Automotive power steering systems A device for attenuating shudder in vehicle power steering systems, whereby a baffle tube is positioned in the power steering hydraulic circuit to break up pressure waves which may exist in the system. ...	05/25/2006
20060096650	Non-linear noise suppressor for perforated plate flow conditioner A perforated plate flow conditioner includes a central hole; and at least one outer array of alternating large outer holes and small outer holes, wherein the difference between the diameters of the holes in the array is between 0.25% and 25% of the large hole diameter. ...	05/11/2006
20060000993	Cement flow control tool An apparatus for controlling the flow of fluid into a borehole through a conduit has a decelerating means adapted to be positioned within the conduit. The fluid could typically comprise drilling mud and/or cement, and in some embodiments, some of the cement can exit thr...	01/05/2006
20050211321	Fluid pressure reduction devices Fluid pressure reduction devices for use in gas and liquid handling systems are disclosed. An example fluid pressure reduction device includes a plurality of cylinders, each having an inner diameter surface and an outer diameter surface and a plurality of apertures that...	09/29/2005
20050205147	Silencer for perforated plate flow conditioner A perforated plate flow conditioner includes a single acoustic feedback interference device having an upstream end attached to a downstream side of the perforated plate. The upstream end covers substantially all of the downstream side of the perforated plate between two...	09/22/2005
20050199306	High flow nozzle system for flow control in bladder surge tanks A bladder surge tank includes a liquid port, and a bladder disposed therein for providing a surge absorbing interface between liquid and pressurized gas within the tank. The bladder surge tank can be horizontally or vertically oriented. In a horizontal embodiment, the s...	09/15/2005
20050167905	Configuration for generating throttled blowing air or suction air A configuration for generating blowing air or suction air, in particular a directing element in a sheet-processing machine, has a throttle path formed with vortex chambers. The vortex chambers generate vortex flows in a flow channel and they are formed by projections on...	08/04/2005

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Class 138/42 - Tortuous path