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| Number | Title | Issue Date |
| 7380572 | 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 un... | 06/03/2008 |
| 7377292 | Vehicular brake system component A vehicular brake system component is used in a brake system of a vehicle. The brake system component includes a sealable bonded component having a metal member and an elastic rubber member bonded to each other and located so as to touch a brake fluid. ... | 05/27/2008 |
| 7363944 | Sealing mechanism for diaphragm tank A liner for use with a diaphragm tank and a through-wall connector. The through-wall connector includes a passage fitting having a neck and adapted to extend into the diaphragm tank, an o-ring mounted on the passage fitting, and an annular holder mounted on the pass... | 04/29/2008 |
| 7353845 | Inline bladder-type accumulator for downhole applications An accumulator comprises a housing connected to a hydraulic system, an elastomeric bladder separating a gas compartment from a fluid compartment, and an anti-extrusion device. A method for operating an accumulator comprises connecting the accumulator to a hydraulic ... | 04/08/2008 |
| 7347222 | Energy attenuation device An energy attenuation device for a conduit that is adapted to convey a pressurized fluid therethrough, comprising a hose section disposed about a portion of the conduit, wherein such conduit portion is made of flexible material and is provided with at least one aper... | 03/25/2008 |
| 7328722 | Pulsation attenuator for a fluidic system A pulsation attenuator for a fluidic system with a fluidic pump. The pulsation attenuator includes a fluidic channel, a first fluidic device adapted to attenuate pulsations with a shallow rolloff slope, and a second fluidic device adapted to attenuate pulsations wit... | 02/12/2008 |
| 7325570 | Method and apparatus for noise suppression in a fluid line An energy attenuation method and apparatus for a system conveying liquid under pressure. The apparatus is disposed in a liquid conveying structure of the system and includes first and second outer hose conduits, each of which respectively defines an associated first... | 02/05/2008 |
| 7322377 | Hydraulic accumulator A hydraulic accumulator includes a piston (3) capable of moving in an accumulator housing (1) in its axial direction and separating a gas side (5) from a liquid side (7) of the accumulator housing (1). Guide elements (9, 17)... | 01/29/2008 |
| 7318454 | Flexible tubular duct for the transport of fluid and particularly gaseous hydrocarbons with an anti-turbulence carcass and internal lining A flexible tubular pipe for transporting hydrocarbons, the pipe comprising at least one carcass, an internal pressure sheath and one or more armor layers. The carcass forms the innermost structural element of the pipe and consists of an interlocked spiral winding of... | 01/15/2008 |
| 7318452 | Accumulator An accumulator in which a pressure sealed chamber and a pressure flow-in chamber are formed by an operation member including a metallic bellows provided within a housing constituted by a gas end cover and a bottomed tubular shell, wherein a cross sectional inner out... | 01/15/2008 |
| 7278835 | Piston pump A piston pump for brake systems employs a pulsation-smoothing device that functions especially well in the region of the outlet valve. As a result, substantially less noise occurs, and the durability of the piston pump is substantially better. The piston pump is use... | 10/09/2007 |
| 7255133 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 08/14/2007 |
| 7249613 | Energy attenuation device An energy attenuation device for a conduit that is adapted to convey a pressurized fluid therethrough, comprising a hose section disposed about a portion of the conduit, wherein such conduit portion is provided with at least one aperture, for example in a surface th... | 07/31/2007 |
| 7240696 | Device for damping pressure pulsations A device for damping pressure pulsations, in electronically regulatable vehicle brake systems for damping the pressure pulsations that are caused by pressure generators in a hydraulic circuit connected to it. The device has a housing which encloses a damping chamber... | 07/10/2007 |
| 7234490 | Hydraulic accumulator comprising a position indicator A hydraulic accumulator includes an accumulator housing (1) formed of a non-magnetizable material and defining an axial direction of the housing. A separating element (9) can be axially displaced in the accumulator housing (1) and separates two ... | 06/26/2007 |
| 7228846 | Apparatus, system, and method for reducing pressure pulsations and attenuating noise transmission in a fuel system An apparatus, system, and method of damping pressure pulsations and attenuating noise transmission in a fuel supply system. The apparatus includes a first end in fluid communication with a fuel supply line, a second end in fluid communication with a manifold, and a ... | 06/12/2007 |
| 7216673 | Non-metallic expansion tank with internal diaphragm and clamping device for same A non-metallic, diaphragm-type tank assembly for use with a pressurized water system is disclosed. The tank assembly comprising a non-metallic outer body; a non-metallic inner shell assembly, including an upper portion and a lower portion, that is contained by the n... | 05/15/2007 |
| 7140406 | Device for compensating for pressure drop The invention relates to a device for compensating for pressure drop in a product pipe through which a liquid flows and a system comprising such a device. The device comprises a collapsible tube portion, which is connectible to the product pipe and is characterized ... | 11/28/2006 |
| 7121304 | Low permeation hydraulic accumulator A hydraulic accumulator includes a rigid tank containing a flexible but non-elastic bladder formed of a metal foil and separating the interior of the tank into a gas space and a liquid space. The gas and liquid spaces respectively communicate with exterior sources o... | 10/17/2006 |
| 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 |
| 7108016 | Lightweight low permeation piston-in-sleeve accumulator A lightweight, low permeation, piston-in-sleeve high pressure accumulator is provided. The accumulator includes a cylindrical composite pressure vessel with two integral rounded ends. A piston slidably disposed in a thin nonpermeable internal sleeve in the accumulat... | 09/19/2006 |
| 7108015 | In-line flow through diaphragm tank An in-line expansion tank. As fluid traverses a pipe within the tank, it may pass into and displace a diaphragm disposed outside of the pipe if the fluid pressure is greater than a tank pressure pushing the diaphragm against the pipe. When the fluid pressure decreas... | 09/19/2006 |
| 7093651 | Water pressure system with pressure tank installed within well casing of well A water pressure system includes a pressure tank installed underground within the well casing of a well. The water pressure system includes a submersible pump connected to the inlet of the pressure tank by a drop pipe. The outlet of the pressure tank is connected to... | 08/22/2006 |
| 7066208 | Hydraulic accumulator A hydraulic accumulator, particularly a piston-type accumulator, includes an accumulator housing (1) which defines a longitudinal axis (9), is provided with an opening that is concentric with the longitudinal axis (9) and is closed by means of a... | 06/27/2006 |
| 7066211 | Device for compensating for pressure drop The invention relates to a device for compensating for pressure drop in a product pipe through which a liquid flows, and a system comprising such a device. The device comprises a collapsible tube portion, which is connectible to the product pipe, and is characterise... | 06/27/2006 |
| 7063181 | Fluid-borne noise suppression in an automotive power steering system A method of dampening fluid-borne noise in an automotive power steering system in accordance with a presently preferred embodiment of the invention contemplates provision of a power steering fluid hose having a laminated inner tube surrounded by a reinforcing outer ... | 06/20/2006 |
| 7059353 | Power steering noise and vibration attenuator A noise and vibration attenuator for a power steering hose is disposed on the flexible tubular portion of the hose. The damper is operable to attenuate noise or vibration found in the hose and includes a cylindrical main body having a central bore on the longitudina... | 06/13/2006 |
| 7051764 | System of lines A line arrangement is provided for transmitting volume flows of fluids with a port which is assigned to a pump, a port which is assigned to an actuator and a connecting line which connects the pump to the actuator. An amplified damping effect of pulsations occurring... | 05/30/2006 |
| 7040329 | Low-noise in-sink dishwasher A dish-cleaning appliance comprising a sink having a bowl defining a wash chamber with an open top for providing access to the wash chamber. A liquid recirculation system is provided for spraying liquid onto the dish rack to effect the cleaning of any dishes along t... | 05/09/2006 |
| 7040350 | Perforated pulsation dampener and dampening system Perforated pulsation dampening devices of this invention comprise a housing having a structural wall section with opposed ends defining an internal chamber. The housing is characterized by a plurality of openings disposed therethrough. A compressible member is dispo... | 05/09/2006 |
| 7036530 | Energy attenuation device for a fluid-conveying line and method of attenuating energy in such a line An energy attenuation device for a fluid-conveying line, and a method for attenuating energy in such a line, are provided. The device includes one or more hose sections disposed in the fluid-conveying line, and at least one spring disposed in at least a portion of e... | 05/02/2006 |
| 7036487 | Fuel rail pulse damper with integral strengthening rib An internal pulse damper for a fuel rail. The damper has an increased captive air volume and consequent improved damping and stress characteristics. The improved damper is a pillow having a modified flat oval cross-sectional profile, with two long diaphragm sides an... | 05/02/2006 |
| 7029250 | Pulsation damper A pulsation damper which is used for damping pressure variations in an oscillating positive-displacement pump connected thereto is provided. The pulsation damper includes an inlet connection element, an outlet connection element and a line connecting the elements wh... | 04/18/2006 |
| 7025092 | Positive air pressure attenuation device for drainage systems The positive air pressure attenuation device (1) for use in drainage systems in buildings includes a housing (3), connected to the system, to which a flexible reservoir (10) is secured, the flexible reservoir (10) being operable on a posi... | 04/11/2006 |
| 7017610 | Damper for hydraulic systems Disclosed is a damping device to be incorporated into fluid systems, particularly hydraulic systems, said damping device comprising an expansion hose. An essentially rigid damper which is oriented counter to the direction of flow, is disposed inside the internal spa... | 03/28/2006 |
| 7013925 | Accumulator tank assembly and method Some embodiments of the present invention provide an accumulator tank assembly and method in which a flexible bladder is received within an accumulator tank. The accumulator tank and the flexible bladder can each have an inlet aperture through which fluid is receive... | 03/21/2006 |
| 7013924 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 03/21/2006 |
| 7007718 | 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 for a system conveying a liquid under pressure is provided. The apparatus includes a liquid-conveying unit or the like that includes three chambers disposed in series. At least one of the chambers contains no tube. A first tube is dis... | 03/07/2006 |
| 7007894 | In-flight refueling system, damping device and method for preventing oscillations in in-flight refueling system components An in-flight refueling system, damping device and method are provided for enhancing the stability of an elongate hose extending from a tanker aircraft during an in-flight refueling operation. The various embodiments of the system, device, and method provide a passiv... | 03/07/2006 |
| 7000728 | Noise reducing fluid transfer hose, in particular for a motor vehicle power steering controlled system A noise-attenuating fluid transfer conduit, in particular for a pilot-controlled power steering system of a motor vehicle, the conduit being mounted in a high pressure circuit for connecting an electrically-driven pump to a controlled member which is fed with pressu... | 02/21/2006 |
