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| Number | Title | Issue Date |
| 7370675 | Flow conditioner for a fluid transport pipe The flow conditioner for a fluid transport pipe, comprises a support-forming substantially tubular main body, at least one flow rectifier disposed inside the main body essentially perpendicularly to the axis XX′ thereof, and a porous plate disposed inside the main... | 05/13/2008 |
| 7347223 | Pipe flow stabilizer A fluid flow stabilizer for use in a flow of fluid in a conduit between a source of turbulence and a fluid control device. The stabilizer comprises a fluid conduit section having a first end with a mounting arrangement for mounting the first end to the fluid conduit... | 03/25/2008 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7246659 | Damping fluid pressure waves in a subterranean well A system and method of damping fluid pressure waves in a subterranean well. In a described embodiment, pressure waves are damped by positioning a dampener in the well during a perforating operation. The dampener may attenuate the pressure waves by absorbing the pres... | 07/24/2007 |
| 7237573 | High pressure, low flow rate fluid flow control An adjustable high pressure, low flow metering valve provides a sleeve extending about a restrictor shaft, the sleeve having a narrow helical groove formed in the inside diameter. A restrictor shaft within the sleeve encloses the groove and forms a sealed helical fl... | 07/03/2007 |
| 7225630 | Refrigerating cycle apparatus, air conditioning apparatus, throttle device and flow controller In a refrigerating cycle incorporating a second flow controller having a throttle section, which is composed of an inlet noise eliminating space 19, an inlet side porous permeable member 20 communicating in a refrigerant flow direction, an orifice 2... | 06/05/2007 |
| 7185678 | Orifice plate diffuser A noise reducing device for a pressurized fluid stream, i.e., a gas, includes a housing. An inlet end and an outlet end of the housing each have at least one orifice for passing a fluid therethrough. The inlet end orifice includes an inlet face and an outlet face an... | 03/06/2007 |
| 7131463 | Device for damping pressure pulsations and a hydraulic unit equipped with this device Pressure pulsations are damped in and a hydraulic unit by a device including a housing with an inlet and an outlet having a throttle and a filter preceding the throttle. The filter and the throttle are combined into a one-piece function element, which can be produce... | 11/07/2006 |
| 7117894 | Ball valve with high damping of the noise due to fluid passage A regulation ball valve for a fluid flow in which a ball is rotatable to bring a passage thereof from a limit position of full opening of the valve to a limit position of full closure of the valve and vice versa. Present in the passage are perforated baffles that at... | 10/10/2006 |
| 7114525 | 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 ho... | 10/03/2006 |
| 7089963 | 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 ... | 08/15/2006 |
| 7022419 | Composite plating film and a process for forming the same A composite nickel and copper alloy plating film (3) containing nickel and copper. Nickel is of high wear resistance and a nickel alloy improves the wear resistance of the film. Copper is of high resistance of the film. The film may further contain self-lubri... | 04/04/2006 |
| 6955139 | Tail suspension test apparatus The tail suspension test apparatus for detecting a struggling state of an animal by suspending a tail of the animal includes an optical mouse, an opaque piece located within a sensing range of the optical mouse, and a fixing device connected with the opaque piece fo... | 10/18/2005 |
| 6953396 | Fabric flow restriction and method for conveying a volume of air A fabric flow restriction and method for conveying a volume of air through a fabric duct prevents the violet popping that may occur with a fabric duct upon start-up. The fabric ducts are air permeable and/or include discharge openings that evenly disperse supply air... | 10/11/2005 |
| 6893485 | Method and kit for use with standard pipe couplings to construct a de-aerator A kit for constructing a de-aerator that includes a concentrator is adapted to be connected to a standard pipe coupling. The concentrator is inserted in the path of liquid conveyed through the pipe coupling for aggregating gas, and directing the gas to a cavity. The... | 05/17/2005 |
| 6830062 | Spigot freeze dripper A dripper apparatus for a water spigot includes a coupler having a threaded female member for connecting to a water spigot. A generally cylindrical elongate member has a longitudinal portion in fluid communication with the female member. The longitudinal portion has... | 12/14/2004 |
| 6810683 | Thermostatic expansion valve exit flow silencer device An apparatus for manipulating the air temperature within an interior compartment of a vehicle includes a compressor, a condenser, and an evaporator interconnected in a manner to remove heat from air in the interior compartment. A thermostatic expansion valve is conn... | 11/02/2004 |
| 6805160 | Pump intake flow control A flow control device to be coupled to the intake of a pump including a base, an outlet plate having an outlet formed therein generally opposing the base, and a plurality of annular baffles carried between the base and the outlet plate. The annular baffles are space... | 10/19/2004 |
| 6755209 | Fill valve assembly for a flush tank The fill valve incorporates a housing (8) that has a vertical water-carrying channel (24) that leads from an inlet (49) to be fastened on the flush tank bottom (2) to a float-controlled diaphragm valve (50). The diaphragm valve ( | 06/29/2004 |
| 6668863 | Throttle element with gap filter A throttle element with a gap filter for use in a fuel pump is proposed, which is press-fitted into a conduit in the housing of an injection pump. By means of the press fitting, a good sealing action and at the same time low-cost production and mounting a... | 12/30/2003 |
| 6561225 | Passive flow control valve A passive flow control valve including a barrier member positioned in a fluid conduit between an upstream conduit portion and a downstream conduit portion. The barrier member substantially prevents fluid flow around a barrier member perimeter. The passive... | 05/13/2003 |
| 6158455 | Antifreeze cap for faucet A cap assembly for providing continuous drip to a faucet exposed to freezing temperatures such as a faucet located outside a house. The cap assembly includes a cap member adapted to be mounted over the end of a faucet, which cap member includes a cylindri... | 12/12/2000 |
| 6152182 | Flow regulator A flow regulator (1) is provided having a flow dispersion device (5) after which in the flow direction (Pfi) a flow regulation device (8) is connected. This flow regulation device (8) has several deflectors arranged in the flow path crosswise to the flow ... | 11/28/2000 |
| 6089790 | Self-cleaning intake screen A self-cleaning intake screen assembly for preventing debris, fish, and other wildlife from being transferred from a waterway such as a lake or river, which includes a conical support structure, a screen and a screen sweeping assembly. The conical support... | 07/18/2000 |
| 6047737 | Filter fixture An improved method and device for attaching a filter to the entrance of a pipe has been described. The filter attaching device includes an upper portion and a lower portion. The upper portion includes a plurality of projections for securing the filter to ... | 04/11/2000 |
| 6000433 | Precision filtered choke Choke for connection to a fluid flow passage for controlling fluid flow through the passage in a predetermined direction. The choke has structure for attachment to the fluid passage. It also has an internal fluid flow passage, which has at least one const... | 12/14/1999 |
| 5948128 | Flanged condensate removal system with removable insert A device for draining condensate from a steam system while substantially eliminating the passage of steam. The device has flanged inlet and outlet ends and includes a unitary Y-shaped body defining a fluid flow conduit, a filter device disposed within the... | 09/07/1999 |
| 5927338 | Mixing eductor Disclosed is an improved mixing eductor (10) of the type wherein the primary liquid (17), e.g., water, is in a main stream (201) flowing in a downstream direction. A venturi tube (51) is in the eductor (10) and has an annular sharp edge (131) in the main ... | 07/27/1999 |
| 5906225 | Orifice tube type refrigerant expansion valve assembly with combined particulate and noise attenuation filters An orifice tube refrigerant expansion valve has an upstream particulate filter of novel design and a downstream expansion noise attenuation filter with a fail safe flow provision. The upstream particulate filter is a truncated cone of porous filter materi... | 05/25/1999 |
| 5890510 | Condensate return retrofit kit A retrofit kit replaces the thermostatic element in a radiator steam trap having a hollow body with a horizontal side steam inlet, a vertical bottom condensate outlet, and a top cover. The retrofit kit contains an insert with a restricted passageway that ... | 04/06/1999 |
| 5676719 | Universal insert for use with radiator steam traps A universal insert used with a device to drain condensate from a steam system while minimizing the passage of steam. The insert includes an anchor with tapering threads that can be crushed, permitting the insert to be used with radiator steam traps having... | 10/14/1997 |
| 5511585 | Method and device for providing fluid resistance within a flow passageway A method for providing resistance to flow through a flow passageway comprises partially blocking flow through an orifice of reduced diameter by masking the orifice with an element formed of porous material retained immediately adjacent to every side of th... | 04/30/1996 |
| 5373873 | Gauge block having check valve with orifice A gauge block assembly for use in conjunction with the refilling of high pressure gaseous oxygen cylinders. The gauge block is used in an oxygen transfill header or manifold and includes a gas transfer control unit that allows rapid evacuation of the spen... | 12/20/1994 |
| 5302286 | Method and apparatus for in situ groundwater remediation A system for in-situ bioremediation includes a well extending into a saturated zone. The well includes a casing having two permeable sections in the saturated zone. Groundwater may be recirculated through the well and the saturated zone between the two pe... | 04/12/1994 |
| 5213305 | Bypass orifice filter for flush valve diaphragm A bypass orifice and filter for use in the diaphragm of a toilet room flush valve includes an orifice member adapted to be mounted in the flush valve diaphragm, and a filter element attached to the upstream side of the orifice member. The orifice member h... | 05/25/1993 |
| 5184641 | Flow regulator The invention relates to a flow regulator for gaseous or liquid media, comprising a housing (1), a regulating unit (1) which changes its free flow area, depending on the flow pressure of the medium, and further comprising a distributor unit (3) behind the... | 02/09/1993 |
| 5154394 | Solenoid operated valve with improved flow control means A fluid flow control disc has a central passage for the flow of fluid. The disc has a peripheral lip seal that insures that the fluid flow will not by pass the central passage.... | 10/13/1992 |
| 5123452 | Flow constriction device for removal of condensate A flow constriction device for the complete removal of condensate from steam and compressed air lines and steam-using equipment. This device incorporates the insertion of a uniquely designed convergent/divergent nozzle into a body piece. The body piece is... | 06/23/1992 |
| 5104233 | Mixing element with a tapered porous body A mixing element according to this invention comprises a passage tube through which fluids to be mixed pass, a fluid structure providing a plurality of fluid passage in the interior of the passage tube, and an auxiliary body disposed on the inner wall sur... | 04/14/1992 |
| 5097866 | Refrigerant metering device A refrigerant metering device for a vapor compression refrigeration system. The metering device employs a restrictor fabricated of a porous material to achieve the desired pressure reduction across the device. The porous material is housed in a casing tha... | 03/24/1992 |
