Class 138/44 - Central path

Subclass of Class 138 - Pipes and tubular conduits
Definition: Devices in which the path of flow of the fluid is centrally
No. of applications: 37
Last issue date: 12/08/2011

Application No.	Application Title	Issue Date
20110297263	FLOW RESTRICTOR A flow restrictor includes an exterior tube and an interior tube disposed within the exterior tube. A first flange is disposed at a distal end of the interior tube. An annular rib extends proximally from the first flange and has an interior diameter greater than an exte...	12/08/2011
20110039000	DEVICE AND COMPONENT FOR ADMIXING A FLUID, IN PARTICULAR AIR OR VAPOUR, TO A BEVERAGE The present invention relates to a component configured to be associated with a pipe arranged to supply a pressurised fluid into a beverage in order to admix the fluid to the beverage. The component includes a venturi having a first, upstream region at high pressure and...	02/17/2011
20100326555	MOLDED PLASTIC PIPE The invention relates to a plastic molded pipe, in particular for fuel-conducting return lines in injection systems for internal combustion engines. The plastic molded pipe has an inner pipe and an outer encapsulation made of a plastic material with connectors for addit...	12/30/2010
20100229988	Dual Chamber Orifice Fitting Plate Support Methods and apparatus for positioning an orifice plate within a body having a straight flowbore. One embodiment includes a carrier supporting the orifice plate and a drive member operable to engage the carrier and move the carrier along a first axis perpendicular to the...	09/16/2010
20100084034	FLOW STRAIGHTENER FOR A FLOWMETER, IN PARTICULAR AN ULTRASONIC METERING DEVICE Flow straightener for a flowmeter, in particular an ultrasonic metering device, which can be fitted into a flow pipe which is upstream of or in the flowmeter and through which the fluid to be measured flows with a main direction of flow (H), comprising a number of vanes...	04/08/2010
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
20100037629	Crimped orifice for flare fitting A flow restriction or metering device for a refrigerant system includes a crimped or otherwise formed tubular insert that is installed within a standard flare fitting. The flare fitting can be similar to those used for coupling two refrigerant lines, or the fitting can ...	02/18/2010
20100024910	FILLING NOZZLE A filling nozzle is provided which has a high flow straightening effect and is capable of forming a stable liquid flow of a circular cross section. In a filling nozzle in which a flow straightening member for straightening the flow of liquid is arranged in a hollow nozz...	02/04/2010
20090261178	SUBMINIATURE THERMOELECTRIC FRAGRANCE DISPENSER A dispenser for dispensing a liquid includes a chamber holding a supply of liquid, an annular conduit substantially filled with liquid from the chamber, and a thermoelectric transducer near one end of the annular conduit. Upon application of electrical current to the th...	10/22/2009
20090218000	Apparatus for Redirecting a Medium Flowing in a Pipeline An apparatus for redirecting a medium flowing in a pipeline. The apparatus includes a plurality of individual tubes and at least a first perforated plate and a second perforated plate having a plurality of perforations, wherein the first perforated plate is provided in ...	09/03/2009
20090205732	ORIFICE PLATE CARRIER An orifice plate carrier for positioning an orifice plate within an orifice fitting to measure fluid flow rate through a conduit is disclosed. In some embodiments, the plate carrier has an opening therethrough and an inner surface surrounding the opening. A lip extends ...	08/20/2009
20090194182	DUAL CHAMBER ORIFICE FITTING BODY A dual chamber orifice fitting, including a body with a lower chamber in fluid communication with a pipeline and a top with an upper chamber in fluid communication with the lower chamber. A valve assembly closes to hydraulically isolate the upper chamber from the lower ...	08/06/2009
20090090430	Apparatus and method for controlling the filling and emptying of a fluid container An apparatus and method for emptying and filling a fluid container. A flow-actuated valve inside a fill tube regulates the flow through the fill tube. A cap containing the valve and a vent tube can be installed on a modified bottle used to supply water dispensers, thus ...	04/09/2009
20090090423	Method of forming a current that generates Tornado Like Jets (TLJ) embedded into the flow, and the surface for its implementation The invention relates to hydroaeromechanics, heat and mass exchange and power engineering, medical instrument engineering, and other branches of economy, in which the motion of a continuous medium (gases, liquids, and mixtures thereof) defines the functional and technic...	04/09/2009
20090071561	Method and system for improving gas flow in a duct or pipe A method for smoothing the gas flow profile in a duct or pipe in a system wherein the average gas velocity is greater than ten feet per second, comprising positioning within the duct or pipe and across the gas flow, a perforated plate wherein the openings thereof are he...	03/19/2009
20090052991	STORM WATER FLOW RESTRICTION METHOD AND APPARATUS A feature of the present invention is it is adaptable to any pre-existing storm catch basin system. Another feature of the present invention is that it permits empirical analysis and verification of the draw down rate. Another feature is the present invention can be adj...	02/26/2009
20080257410	FLUID FLOW CONTROL SYSTEM HAVING CAPILLARY FLUID FLOW RESTRICTOR A fluid flow rate control system and method comprises a capillary tube having a proximal end that projects into a chamber with a cross-sectional area that is larger than or equal to the fluid supply tube's cross-sectional area. The inner cross-sectional area of the capi...	10/23/2008
20080210325	Distributor In the field of flow distributors there is a need for a flow distributor which produces a uniform distribution of particulate material within a carrier fluid without causing a substantial pressure drop in the carrier fluid. A flow distributor (10), for insertion ...	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
20080142089	Durable water heating system providing rapid hot water delivery A durable water heating system providing rapid hot water delivery includes a water heating unit connected to a water source. A hot water line connects the water heating unit to at least one water delivery fixture. A return line of substantially the first cross-section c...	06/19/2008
20070256749	Method of manufacturing a venturi tube for a fuel system A method of manufacturing a venturi tube 10′ having a certain fluid flow direction is provided. The method provides a first core member 11 in a mold. The first core member has a periphery and an end 21 of a certain size. A second core member 17...	11/08/2007
20070246113	First flush passive flow control valve A passive flow control valve including a barrier member adapted to attach to a fluid conduit. The barrier member defining an upper portion, a lower portion and an intermediate portion depending from the upper portion and the lower portion. The lower portion and the uppe...	10/25/2007
20070186987	Dual chamber orifice fitting isolation valve Apparatus and methods for operating a dual chamber orifice fitting. The dual chamber orifice fitting comprises a body having a lower chamber and a top having an upper chamber. An aperture connects the upper chamber to the lower chamber. A closure member is pivotally mou...	08/16/2007
20070169828	Orifice Plate Alignment Device A tool for supporting and centering a flat circular orifice plate flow meter between two pipe flanges that have circumferentially spaced apart circular flange bolt holes that lie on a bolt circle and receive circular flange bolts for interconnecting the flanges, compris...	07/26/2007
20070157986	Flow restriction Flow restriction to be fitted in a fluid line, consisting of a conduit part that has been produced from plastic by injection moulding and has been provided with a baffle closing the flow cross-section, wherein one or more openings have been made with the aid of a laser ...	07/12/2007
20070095414	Working fluid feeding device A device (30) for feeding working fluid to an assembly (14) requiring working fluid includes at least one fluid channel (20, 20a-20d) extending from a surface (16a) and at least one screw element (22, 24) ca...	05/03/2007
20070000828	Fluid coupling A fluid coupling comprises a fitting body, and a chamber within the fitting body, the chamber having at least one fluid conduit receiver bore and a restricted portion, the fluid conduit receiver bore configured to minimize unswept volume in the chamber. ...	01/04/2007
20060231149	ORIFICE FLOW METERS An orifice flow meter for measuring flow rate through a conduit. In an embodiment, the orifice flow meter comprises a tubular body having a through passage. In addition, the orifice flow meter comprises an orifice plate assembly removably disposed within the body across...	10/19/2006
20060201564	Riser installation from offshore floating procuction unit A method for installing risers so they extend from a FPU (floating production unit) to multiple subsea hydrocarbon wells of an oil field, which avoids damage to the pipe sections and that is economical. As pipe sections are connected to a near end (56) of a pipe ...	09/14/2006
20060157133	Combustion transducer apparatus employing pressure restriction means A pressure restrictor for use with a pressure sensing element, said element capable of providing an output upon application of a pressure to said element. The pressure restrictor comprises a cylindrical member of a given diameter and length. The member having a pluralit...	07/20/2006
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
20060086399	Internal post flow control A flow control including an annular flexible member and an internal post disposed downstream of the flexible member is described. The annular flexible member has a deflectable inner edge that defines a passage channel and the annular flexible member and internal post de...	04/27/2006
20050263199	Flow laminarizing device Representative embodiments provide for a flow laminarizing device including a plurality of walls defining a plurality of passageways, each passageway defining a hexagonal cross-sectional area and configured to permit fluid flow there through, a casing configured to mech...	12/01/2005
20050083780	Mixing device Apparatus for mixing a fluid with a flowing material is disclosed including a chamber having an inlet for connection to a circular inlet conduit and an outlet for connection to a circular outlet conduit, and a supply conduit for supplying the fluid to the chamber, the i...	04/21/2005
20050078553	Static mixer The invention relates to a static mixer for continuous mixing of one or more input streams or flows. The mixer comprising a pipe section (2) of a certain length, the pipe length being pinched together so that a number of radial throttles (4) is formed. The...	04/14/2005
20050045239	Method and apparatus for reduction of fluid-borne noise in hydraulic systems Method and apparatus for eliminating turbulence-induced noise in a pulsation-absorbing flexible hose, as in a hydraulic power steering system containing a pressure fluid-feeding pump and a steering gear operated by the pressure fluid discharged from the pump. The hose h...	03/03/2005
20050039809	Flow sensor with integrated delta P flow restrictor A high mass flow sensor device having a flow restrictor formed by a body having a generally cylindrical shape with an upstream end and a downstream end separated by a center portion having pressure taps proximate the junction of the ends with the center portion. Flow pa...	02/24/2005

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Class 138/44 - Central path