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7621296 |
Separation element
A separation element of a multi-layer structure for pressure compensation including: at least two mutually superposed flexible, fluid-tight material layers; at least one spacer element which is...
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7591284 |
Hydraulic accumulator
A hydraulic accumulator, especially a piston accumulator includes an accumulator housing ( 10 ) and a separating piston that can be longitudinally displaced in the accumulator housing ( 10 ) and...
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7568504 |
Hydraulic cylinders and plug with hydraulic cylinder
The invention regards a hydraulic cylinder ( 1 ) or a plug comprising a hydraulic cylinder for operation of anchoring and or sealing devices, where the hydraulic cylinder comprising a cylinder...
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7562678 |
Pipeline pressure stabilizer
A pressure stabilizer for mediating changes in pressure within a pipeline is provided. The pressure stabilizer incorporates a plurality of perforations about a central pipeline and a...
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7556064 |
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 valve is constructed in part of two concentric tubes. Flow of a fluid through the outer tube of two concentric tubes is...
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7520300 |
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...
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7520292 |
Pressure activated trap primer and water hammer combination
A water hammer arrestor and drain trap primer valve includes a hollow pipe having a closed end, a discharging end, an inlet, an outlet port connected to said discharging end and attachable to...
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7516760 |
Piston-type accumulator
A piston-type accumulator includes a separating piston ( 24 ) axially displaced inside an accumulator housing ( 10 ) and separating two spaces from one another inside the accumulator housing ( 10...
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7513240 |
High pressure fuel pump provided with damper
A fuel feed system capable of feeding a fuel to fuel injection valves at a fuel pressure with improved stability is provided. A fuel feed system for an internal combustion engine including a fuel...
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7497233 |
Pressure damper and silencer, in particular for connections of sanitary fittings
The invention relates to pressure dampers and silencers for adapters in water conduits and for fittings that are fixed onto sanitary fittings (see DIN EN 200, page 9, FIG. 8). Said dampers and...
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7497202 |
Hydraulic damper element
A damper element for damping pressure pulsations in a liquid includes a first side including a first wall portion at least partially defining a chamber containing a gas and a second side including...
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7493916 |
Pressure vessel with accumulator isolation device
A pressure vessel assembly is provided for a pressurized fluid system. The pressure vessel assembly comprises an outer casing defining an interior cavity within the outer casing, at least one...
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7493892 |
Self-damping fuel rail
A self-damping fuel rail for a fuel-injected internal combustion engine includes an elongated tube defining a wall and having a longitudinal axis. The wall defines a fuel passageway and has a first...
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7478648 |
Hydraulic pressure accumulator
A hydraulic breaker hammer comprises a housing ( 10 ) with a longitudinal bore ( 12 ), a cylinder sleeve ( 14 ), and a cylinder sleeve ( 14 ) engaging rear end cover ( 16 ), a hammer piston ( 15 )...
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7472720 |
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...
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7412987 |
Expansion tank with valve
An expansion tank to be connected to a pipe system filled or with a liquid is disclosed. The expansion tank includes at least one connection opening for a liquid pipe. The tank has a main valve to...
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7380626 |
Service vehicle
A hydraulic excavator is equipped with one or more downsizing scheme including at least one of: (i) a bubble removing device for removing bubbles in hydraulic fluid, (ii) a hydraulic tank including...
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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...
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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...
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7373953 |
Valve assembly
A valve assembly for plumbing installations. The valve assembly has a unitary valve body with three interconnected ports and a fluid control mechanism. Connector portions are formed about each port...
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7373824 |
Automotive automatic transmission noise attenuators
An apparatus for attenuation of fluid pressure pulses in a hydraulic system of an automatic transmission is provided. In one embodiment of the invention, a wave tuner is disposed within a fluid...
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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...
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7361267 |
Dialysis machine blood circulating circuit fitting
A fitting ( 1 ) for a blood circulating circuit ( 4 ) of a dialysis machine has a first ans a second mouth ( 8, 9 ) for connecting the fitting ( 1 ) to a first ans a second portion ( 2, 3 ) of the...
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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...
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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...
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7341045 |
Hydraulic damper element
A damper for damping pressure pulsations in a liquid includes an outer tube having an inner surface defining an interior cavity, and an inner tube positioned within the interior cavity of the outer...
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7334609 |
Flexible tubular device
A flexible tubular device that includes a metal wall in which are formed corrugated convolutions that define corrugated outside and inside surfaces of the device. The convolutions are perpendicular...
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7325571 |
Pressure container and pressure accumulating/buffer apparatus
A pressure container has a steel pipe and an end plate that is formed with a joint portion by allowing its tapered surface to touch a tapered surface of an opening end of the steel pipe so as to...
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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...
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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...
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7308910 |
Device for damping pressure surges
A device for damping pressure surges in a fluid with a housing ( 10 ) and a piston ( 14 ) that can be longitudinally displaced inside the housing ( 10 ) against the pretensioning force of a spring...
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7306006 |
Multi-function fluid component
Apparatus for dampening pulsations in a fluid system has a radially expandable tube connected in the fluid system. A flexible outer shell surrounds the tube to form with the tube an annular...
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7303091 |
Expansion tank with double diaphragm
A double-diaphragm bladder. The bladder comprises a non-flexible diaphragm having a peripheral edge and a flexible diaphragm having a peripheral edge. The non-flexible diaphragm has an aperture...
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7284970 |
Fluid apparatus having a pump and an accumulator
A pump liquid chamber ( 9 ) is formed inside a pump bellows ( 7 ). A suction port ( 18 ) and a discharge port ( 19 ) are formed in a wall face ( 4 a ) facing the liquid chamber ( 9 ). The suction...
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7270318 |
Device at an energy accumulating piston-cylinder tool
The present invention relates to an arrangement in an energy-accumulating piston-cylinder device ( 1, 2 ) having a piston ( 2 ) and a cylindrical casing ( 1 ). The invention is characterized by an...
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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...
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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...
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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...
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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,...
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7165535 |
Fuel rail pulse damper with improved end crimp
An internal pulse damper for use in a fuel rail for an internal combustion engine. The damper is formed from a length of tubular metal stock having a flat oval cross-section and ends flattened by...
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7152932 |
Fluid power accumulator using adsorption
The invention relates to a fluid power accumulator in which the fluid undergoes a state change as the system is pressurized to store energy. A state change can be a phase change, a chemical...
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7152931 |
Hydraulic circuit with accumulator
A hydraulic circuit includes an accumulator having an inflow passage which introduces a hydraulic fluid which is discharged from a hydraulic pump into a hydraulic fluid chamber and a discharge...
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7143784 |
Sanitary fitting
A sanitary fitting ( 1 ) formed from a multi-wall housing ( 2 ) which can be inserted into a sanitary water pipe is provided that has at least two adjacent walls ( 6,7 ) surrounding an inner region...
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7128095 |
Vibration damping coupling
A vibration damping bellows with a high vibration absorbing effect and whose a simple structure. In a vibration damping coupling, for example, the vibration damping bellows is formed by interposing...
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7128090 |
Water-hammer preventing unit for check valve
In a water-hammer preventing unit for a check valve according to the present invention, a retainer pipe having openings at two edges thereof is provided inside a short pipe to form a circular space...
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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...
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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...
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7111653 |
Expansion tank
An expansion tank ( 1 ) which is intended to be connected to a pipe system which is filled or is to be filled with liquid, comprises a substantially closed tank ( 2 ) having at least a first...
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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...
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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...
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