|
Match
|
Document |
Document Title |
|
|
5988222 |
Pulsation damper
A pulsation damper for hydraulic circuits has a housing including a bottom, a casing, and a cover, a damper chamber which is sealed from outside and provided with supply and discharge means for a...
|
|
|
5988218 |
Connection fitting for connecting a pressure expansion vessel for heated drinking water
The invention relates to a connection fitting for connecting a pressure expansion vessel to a conduit system, in which a water flow flows, a diaphragm dividing said vessel into a cavity filled with...
|
|
|
5971027 |
Accumulator for energy storage and delivery at multiple pressures
An energy storage device particularly suitable for use in hybrid fluid power systems and fluid systems utilizing accumulators. A piston accumulator has a primary face on one end of the piston and a...
|
|
|
5957162 |
Pressure accumulator system
There is provided a pressure accumulator system comprising a plurality of small-sized gas bombs connected. This dispenses with any large-sized gas bomb that is hard to handle. The pressure...
|
|
|
5950676 |
Expansible bellows and pulsator device including same
An expansible bellows, includes a pair of end plates attached together and sealed around their peripheries such that their inner faces confront each other to define between them an expansible...
|
|
|
5941283 |
Pressure pulse attenuating fluid supply conduit
A fluid supply conduit for attenuating pressure pulses in a fluid. At least one inner tube is disposed in an outer tube and forms an annular chamber therewith. The inner tube is connected to a...
|
|
|
5941277 |
Hydraulic change-over valve
To effectively prevent a hydraulically operated change-over valve for a hydraulic brake system from fluttering, according to the present invention, an air cushion which attenuates pressure...
|
|
|
5934329 |
Peeling diaphragm fluid release device
The preferred embodiment of the invention is a fluid pressure alleviating pneumatic or hydraulic system component. The invention is comprised of a diaphragm, carrier and a release mechanism. The...
|
|
|
5921636 |
Tapered noise attenuator for anti-lock braking system
An attenuator for a hydraulic control unit of a vehicular braking system includes a hollow cylinder mounted in a bore of a housing. An end cap closes an outer end of the cylinder and does not...
|
|
|
5904181 |
Pulsation dampening device
A pulsation dampening device designed for horizontal orientation with an internal geometry and a fluid inlet and outlet geometry which minimizes the potential for a preferred flow path thereby...
|
|
|
5894861 |
Damper dry ice charge
A damper device has a sealed damper chamber defined by a flexible diaphragm and an upper cap. The damper chamber is filled with a pressurizing agent that creates a pressurized condition in the...
|
|
|
5894862 |
Hydraulic damper
A hydraulic damper is disclosed for reducing undesirable pressure differentials in a hydraulic system. The damper comprises a body assembly, including first and second inlet ports for connecting...
|
|
|
5868168 |
Pulsation dampener diaphragm
The invention provides an improved pipeline pulsation dampener, including a pressure vessel divided by a diaphragm of elastomeric material into first and second pressure zones. The first pressure...
|
|
|
5862832 |
Gradient proportioning valve
An improved gradient proportioning valve compensates for hydraulic inertia in a compact, reliably sealed valve assembly that is less susceptible to unswept volumes and gas permeation. A flat...
|
|
|
5860452 |
Pulsation dampener
A pulsation dampener or desurger for use in sterile or other high-temperature applications such as food- or pharmaceutical-processing plants has an outer case surrounding a concentric perforated...
|
|
|
5816291 |
Shock absorber for liquid conduits
A shock absorber in a liquid conduit (4) is provided. The shock absorber comprises a closed liquid tank (10), which is partly filled with gas and has a joint means (11) connected to the conduit...
|
|
|
5816289 |
Device for dampening vibration and noise in hydraulic installations
A noise and vibration dampening device for mixing valves for faucets and the like. The device comprises an envelope comprised of flexible material defining an air pocket. The envelope is disposed...
|
|
|
5806705 |
Sealing technique for hydropneumatic pressure vessel
A hydropneumatic pressure vessel comprising a tank wall having wall portions defining a closed cavity. A flexible elastomeric diaphragm separates the cavity into first and second fluid pressure...
|
|
|
5803555 |
Damper for damping pressure fluctuations in brake fluid of hydraulic brake systems of a vehicle
The invention relates to a damper for a slip-controlled brake system of a vehicle. An elastic damper body is disposed in a damper chamber cut as a bore into a hydraulic housing block of the vehicle...
|
|
|
5797430 |
Adaptive hydropneumatic pulsation damper
An adaptive hydropneumatic pulsation damper is especially suited for hydraulic systems subject to pulsation with a strongly variable operating pressure. Because of good damping action, the...
|
|
|
5798156 |
Lightweight bladder lined pressure vessels
A lightweight, low permeability liner for graphite epoxy composite compressed gas storage vessels. The liner is composed of polymers that may or may not be coated with a thin layer of a low...
|
|
|
5785815 |
Process for damping pressure pulsations and apparatus for performing the process
Process for damping pressure pulsations and apparatus for performing the process. The process of this invention serves for the damping of pressure pulsations in a fluid, particularly a fiber...
|
|
|
5772414 |
Pump head pressure equalizer with biasing member limited movement diaphragm
A pressure equalizer for use with a reciprocating pump provides a liquid accumulation region to facilitate precise control over the amount of liquid discharged from the pump, and provides a short...
|
|
|
5746255 |
Compound hose system
A frost-free water supply system drains down to avoid freeze-up during non-pumping periods, its operation being responsive to air pressure within the system. A compound hose used may have an inner...
|
|
|
5732740 |
Smart accumulator to attenuate pulses in a hydraulic elevator
A body of electrorheological ("Smart") fluid is disposed between hydraulic fluid within a hydraulic elevator system, and a chamber filled with pressure absorbing fluid. By introducing a field...
|
|
|
5732741 |
Noise suppressor
A noise suppressor device for absorbing and dampening the noise of pulsating fluids is disclosed. The noise suppressor device has a housing which defines an axially extending bore. A resilient...
|
|
|
5730506 |
Vibration damper for damping vibrations in a fluid in a slip-controlled hydraulic brake system of a vehicle system
A space-saving vibration damper that functions reliably for a long term. The vibration damper has a housing that includes at least one concave recess which is sealed by a disk-shaped diaphragm...
|
|
|
5728981 |
Power steering attenuation hose construction and method of making the same
A power steering attenuation hose construction and method of making the same are provided, the hose construction comprising an outer flexible hose unit having an inlet end and an outlet end, a...
|
|
|
5718488 |
Damper for damping fluid oscillations in a hydraulic, slip-controlled motor vehicle brake system
An oscillation damper that has a cup-shaped elastomer diaphragm body, with a bottom diaphragm. The diaphragm body is received tightly on an opening side in a bore of a housing, and fits around a...
|
|
|
5718952 |
Hollow structural member
A stiff elongated hollow structural member has a double-walled structure in the shape of a tube made of an interior tube which has an annular cross-section and an exterior tube which has a...
|
|
|
5713412 |
Apparatus for attenuating vibration of a tubular member
Apparatus for attenuating vibration of a tube includes a cable disposed in the tube and spaced-apart attenuating assemblies mounted on the cable for frictionally engaging the wall of the tube in...
|
|
|
5709248 |
Internal accumulator for hydraulic systems
Accumulators normally are teed into existing conduits and require large amounts of space or are placed in spool type bores having a spring biased piston slidably disposed therein. Most times these...
|
|
|
5682923 |
Accumulator having an internal elastomeric member
Accumulators normally have a first chamber filled with a pressurized gas, a second chamber in communication with the pressurized fluid of a hydraulic system and an elastomeric member separating the...
|
|
|
5655569 |
Gas charged bladder for low pressure accumulator for vehicular anti-lock braking system
A piston-less low pressure accumulator employs a gas-charged elastomeric bladder contained within a bore of a hydraulic control unit. Preferably, the low pressure accumulator contains a perforated...
|
|
|
5653263 |
Bubble storing device with bubble having different zones
A bubble storing device for storing a liquid under pressure has a container having an interior, a bubble composed of an elastic material and located in the container so as to subdivide the interior...
|
|
|
5645922 |
Impermeable elastic membrane
An impermeable elastic membrane for hydropneumatic accumulators is made from an impermeable film of completely hydrolyzed polyvinyl alcohol, with a high molecular weight, and plasticized, with...
|
|
|
5638868 |
Accumulator
An improved hydraulic accumulator is introduced wherein a valve mechanism is used to seal a hydraulic fluid before the pressure charged piston reaches the end of the accumulator to minimize the...
|
|
|
5631632 |
Pressure monitoring system
The invention is directed to a pressure monitoring system for monitoring a hydraulic pressure which is supplied from a fluid pump and accumulated in an accumulator. The pressure monitoring system...
|
|
|
5620028 |
Brake Module with integrated accumulator
A brake module including an integrally formed manifold and accumulator provides a way of simplifying assembly, increasing packaging flexibility and reducing the total number of individual components.
|
|
|
5618629 |
Flexible partition member for hydraulic accumulator, including ethylene-vinyl alcohol copolymer gas-barrier layer and polyamide resin elastic layer
A flexible partition member for a hydraulic accumulator, which divides an interior of a shell of the accumulator into two sections that provide a gas chamber and a liquid chamber, respectively. The...
|
|
|
5606996 |
Bladder and accumulator using the same
A mounting flange is formed at the opening of the bladder formed into the shape of a bag from elastic material such as rubber; and a thin wall section is formed to prevent stress concentration near...
|
|
|
5551767 |
Combination high pressure pump/attenuator for vehicle control systems
A combination high pressure pump/attenuator suitable for use in vehicle control systems employs a high pressure pump outlet check valve located in the attenuator cavity and compressively loaded...
|
|
|
5542453 |
Pressurized hydraulic piston-cylinder device with internal volume variation compensation
The pressurized hydraulic piston-cylinder device with an internal volume variation compensation device includes a hydraulic pressure cylinder; a piston movable in the pressure cylinder; a cap...
|
|
|
5540486 |
Anti-lock brake system noise attenuator
A hydraulic control unit for a vehicle anti-lock brake system is disclosed which comprises a bore defining a chamber symmetrical about an axis and having a sidewall and a bottom wall. A fluid inlet...
|
|
|
5538478 |
Preventive structure for preventing extraordinary deformation of a diaphragm of an oil hermetic type tensioner
A tensioner for a chain or toothed belt which includes an oil reservoir. Oil contained in the oil reservoir is hermetically sealed by a diaphragm fixed to the oil reservoir by a plug. A...
|
|
|
5536028 |
Power centering compensator for vehicle steering systems
A power centering apparatus for resisting off-center movement of the steered wheels of a vehicle and returning them to a selected center position after each such movement. The apparatus includes a...
|
|
|
5524671 |
Laminated sheet
An accumulator including a shell (1) divided into a gas chamber (9) and a fluid inflow chamber (6) by a bladder (32) made of a cold-resistant and gas-barrier laminated sheet which includes a...
|
|
|
5505228 |
Hydraulic accumulator
A hydraulic accumulator includes an elongated pressure vessel having a headed end which receives a charging valve and an open end which receives a fluid port fitting. Means are provided for...
|
|
|
5499739 |
Thermoplastic liner for and method of overwrapping high pressure vessels
A pressure vessel liner for fuel tanks used to store high pressure gasses including methane or compressed natural gas includes thermoplastic materials exhibiting low permeability and mechanical...
|
|
|
5484079 |
Hydropneumatic filament-wound pressure vessel
A hydropneumatic filament-wound pressure vessel is disclosed. The vessel has first and second cup-shaped tank liners having circular open mouths which are provided with a seal and diaphragm...
|