Entries |
Document | Title | Date |
20080210324 | Damper - A damper that has chemical resistance, that can be used under a high-pressure environment, and that can remove pressure pulsations is provided. This damper includes a fluid chamber into and out of which a fluid flows, a diaphragm defining at least one surface of the fluid chamber, and a separate chamber adjacent to the fluid chamber in a fluid-tight manner, with the diaphragm disposed therebetween. The diaphragm includes a first film having chemical resistance and a second film having pressure resistance. | 09-04-2008 |
20080230134 | 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 passage fitting and having an annular groove. The liner has a raised portion defining an annular groove to receive the o-ring. | 09-25-2008 |
20080245432 | Subsea Equipment - A subsea equipment ( | 10-09-2008 |
20080257439 | Hydraulic pressure reservoir - A hydraulic pressure reservoir having at least one pressure chamber formed between two opposed, movable inner boundary members. Each inner boundary members includes a spring cover and a diaphragm spring. An outer boundary member peripherally surrounds the movable inner boundary members and has a U-shaped cross section along at least a part of its periphery to axially support the diaphragm springs in a fixed axial position. The outer boundary member can be formed in several pieces that are held together by interconnections or by a surrounding outer tensioning member. | 10-23-2008 |
20090007979 | Pressure Accumulating Apparatus - Rotational force from a driving device | 01-08-2009 |
20090020179 | Leakproof draft system pressure/vacuum relief device for power plants - Methods and apparatus are disclosed for alleviating or modulating periodic sudden pressure changes in a gas ducting system by fluidically connecting a gas duct to one side of a partitioned, liquid-filled reservoir, the other side of which comprises a stack conduit venting to the ambient environment. With this configuration, elevated gas duct pressure displaces liquid from the reservoir up into the stack conduit to a height above the reservoir and thereby helps to alleviate the elevated duct or system pressure, without leaking process gases from the duct through the reservoir and into the environment. Reduced gas duct pressures or vacuum-like conditions in the duct draws ambient air through the stack conduit and the reservoir and then into the duct to help alleviate the reduced duct or system pressure. | 01-22-2009 |
20090095366 | HYDRAULIC PRESSURE ACCUMULATOR - A bladder for a high pressure accumulator includes a metal foil layer adhered to the inside of a rubber bladder with a paint-on adhesive. A position contactor switch is further provided to signal position of the bladder within the accumulator and thereby prevent an undesired shut-off. | 04-16-2009 |
20090101222 | Pressure accumulator, especially pulsation damper - The invention relates to a pressure accumulator, especially a pulsation damper, which comprises an accumulator housing ( | 04-23-2009 |
20090101223 | REGULATOR FOR CLUTCH - A regulator for a clutch includes a regulator housing, first and second plates in the regulator housing, and a support plate attached to the regulator housing. The first plate may be convex in a direction opposite the second plate. The first plate may include at least one oil passage hole. The first plate may be thinner than the second plate. A first damping member may be provided between the regulator housing and the first plate, and a second damping member may be provided between the second plate and the support plate. | 04-23-2009 |
20090107570 | Hydraulic Accumulator - The invention relates to a hydraulic accumulator, in particular a bladder accumulator, comprising two at least partially adjacent plastic casings ( | 04-30-2009 |
20090114299 | 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 gas. A nozzle system is disposed within the tank and has a nozzle member comprising a first plurality of axially elongate perforations, and a second plurality of perforations. The nozzle member can extend a partial or complete distance with tank. The tank body includes a throat that extends outwardly from a portion of the tank adjacent the port, and a portion of the nozzle member comprising the first plurality of perforations is disposed within the throat. An annular space exists adjacent the nozzle member in the neck to facilitate the flow of solid constituent within the fluid from the tank and into the nozzle member. | 05-07-2009 |
20090133768 | Metal Bellows Accumulator - To prevent breakage by abnormal deformation when seal function of a seal section becomes ineffective to cause pressurized liquid remaining in the liquid chamber to be lost, a metallic bellows-type accumulator having a metal bellows, a bellows cap, an outer gas chamber and an inner liquid chamber, in a shell is structured to have a bellows constructed such that, when pressure in the liquid chamber ( | 05-28-2009 |
20090236002 | HYDRO SOUND DAMPER, IN PARTICULAR FOR INTEGRATION IN AN AIRCRAFT HYDRAULIC SYSTEM - The invention relates to a hydro sound damper, in particular for integration in an aircraft hydraulic system, with a throughout inner tube, wherein the inner tube comprises a perforation section which is coaxially encompassed by a housing under formation of a gas-filled cavity. The perforation section is coaxially encompassed by a metal felt cylinder at least in sections and an elastomeric membrane bears on the metal felt cylinder for generating a gas cushion, which is closed in itself. Due to the metal felt cylinder a pushing through of the elastomeric membrane into the bores of the perforation section is avoided when the hydraulic system is depressurized. Furthermore, the metal felt cylinder, which is infiltrated respectively flowed through, produces an improved damping characteristic which might moreover be adjusted by a variation of the flow resistance of the used metal felt. The hydro sound damper is built-on spacious compact, has a low weight, reaches high damping values over a broad noise spectrum and is therefore capable of being easily integrated in existing aircraft hydraulic systems. | 09-24-2009 |
20090260701 | 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, and a second fluidic device adapted to attenuate pulsations. Preferably, the first fluidic device includes a first fluidic resistor and a first fluidic capacitor, and the second fluidic device includes a second fluidic resistor and a second fluidic capacitor. Preferably, the first fluidic resistor and second fluidic resistor are resistive channels. Preferably, the first fluidic capacitor and second fluidic capacitor include a membrane that expands and accumulates fluid and then contracts and reintroduces the accumulated fluid into the fluidic channel. | 10-22-2009 |
20100032041 | SYSTEM OF STEPPED FLOW RATE REGULATION USING COMPRESSIBLE MEMBERS - A series of compressible members disposed with a vessel lumen designed to produce a flow rate that increases with respect to an increasing flow material pressure with the rate of increase having a stepped behavior. The first compressible member is designed so as to partially restrict flow so as to allow for only moderate increases in flow rate with respect to flow material pressure. Subsequent compressible members are designed to allow for increases in flow rate greater than the moderate rate of increase when the flow material pressure is above a given flow material pressure. | 02-11-2010 |
20100071792 | PRESSURE TANK, IN PARTICULAR HYDRAULIC ACCUMULATOR - In a pressure tank, in particular hydraulic accumulator ( | 03-25-2010 |
20100084033 | HYDRAULIC ACCUMULATOR AND METHOD OF MANUFACTURE - An accumulator for a hydraulic system includes a polymer liner defining a cavity. A metal bellows assembly is housed in the cavity and separates the cavity into a first chamber and a second chamber, with the first and second chambers isolated from one another by the bellows assembly. A composite shell substantially encases the liner. The liner and shell are configured so that the first chamber receives hydraulic fluid from and delivers hydraulic fluid through an opening in the liner and the shell as the bellows assembly expands and compresses due to pressurized gas in the second chamber balancing fluid pressure changes in the first chamber. In one embodiment, the metal bellows assembly includes hydroformed bellows. | 04-08-2010 |
20100108168 | ACCUMULATOR - To prevent plastic deformation of a bellows due to a pressure difference between inner and outer sides of the bellows in an outside gas type or inside gas type accumulator, a disc-like gasket is held in a float able state to a surface close to a stay in a bellows cap by a gasket holder, so that, the disc-like gasket moves together with the bellows cap at a steady operation time, the disc-like gasket moves together with the bellows cap to contact with an end surface portion of the stay, thereby closing the liquid chamber at a zero-down time, and the bellow cap moves toward a position where liquid pressure and gas pressure balance while the disc-like gasket keeps contacting with the stay due to a difference of pressure receiving areas in both the surfaces when the liquid in the liquid chamber is thermally expanded at a zero-down time. | 05-06-2010 |
20100154910 | DAMPENER APPARATUS AND METHOD - A dampener device extending along a vertical axis for use with an industrial process having a first conduit through which process fluid flows along with a second conduit wherein the second conduit extends away from the first conduit generally along the vertical axis. The dampener also includes a third conduit having that is connected to the first conduit, wherein the third conduit extends away from the first conduit generally along the vertical axis in opposing relationship to the second conduit. The dampener device design further includes a dampener valve positioned the first conduit and a fourth conduit extending in opposing relation to the first conduit between the second and third conduits. | 06-24-2010 |
20100186843 | Guiding device for a metal bellows - A guiding device for a metal bellows ( | 07-29-2010 |
20100200097 | POWER STEERING SYSTEM FREQUENCY SUPPRESSOR - A frequency suppressor for a hydraulic system is shown and described. The frequency suppressor comprises a housing that contains a substantially fixed mass of a compressible substance. The volume of the compressible substance is varied to dampen frequency disturbances in the hydraulic system. | 08-12-2010 |
20100263758 | 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 gas. A nozzle system is disposed within the tank and has a nozzle member comprising a first plurality of axially elongate perforations, and a second plurality of perforations. The nozzle member can extend a partial or complete distance with tank. The tank body includes a throat that extends outwardly from a portion of the tank adjacent the port, and a portion of the nozzle member comprising the first plurality of perforations is disposed within the throat. An annular space exists adjacent the nozzle member in the neck to facilitate the flow of solid constituent within the fluid from the tank and into the nozzle member. | 10-21-2010 |
20110005630 | FLUID PRESSURE SPIKE SUPPRESSION DEVICE - Systems and apparatus for suppressing/controlling pressure spikes in a fluid pipe system are described. In one aspect, an apparatus for controlling pressure spikes in a fluid pipe system includes, for example, a fluid pressure spike suppression pipe (“damper pipe”) portion with multiple openings for connecting to at least two network pipes in a fluid system pipe network. The damper pipe has a diameter that is larger than respective diameters of the network pipes within which fluid pressure spikes are to be suppressed. First and second openings for connecting to the network pipes are respectively positioned at proximal and distal ends of the damper pipe. The first opening in the damper pipe is for fluid ingress into the damper pipe via a first pipe network pipe. The second opening in the damper pipe is for fluid egress out of the damper pipe and into a second network pipe. | 01-13-2011 |
20110017332 | PULSATION DAMPING CAPSULE - A pulsation damping capsule including at least one hermetically joint-sealed metal membrane housing made of at least two preferably concave hemispheres, the housing being provided for separating an inner space from a surrounding pressure medium, wherein the hemispheres are connected together along a peripheral seam firmly bonded such that the pulsation damping capsule can be compressed and expanded as an energy accumulator with spring elasticity due to the effect of the pressure medium. A pulsation damping device is provided which is both dimensioned to withstand stresses and is simple to produce, the pulsation damping effect of which can be tailored especially easily to the existing conditions. Further disclosed is a pulsation damping module for housing a plurality of pulsation damping capsules. | 01-27-2011 |
20110139285 | COMBINATION SPRING AND GAS FILLED ACCUMULATOR - A compact fluid accumulator both stores a relatively large amount of fluid and provides good fluid pressure stability. The accumulator includes a piston slidably disposed in a cylinder having a fluid inlet/outlet at one end which communicates with a first chamber and one face of the piston. Engaging the opposite face of the piston, and disposed in a second chamber, is a compression spring. The second chamber is filled with a gas which is at atmospheric pressure when the accumulator is relaxed. When pressurized hydraulic fluid fills the first chamber, the piston moves against the pressure of the spring and gas in the second chamber. The present invention thus provides an accumulator having the relatively small size of a gas filled accumulator without the leakage problem of a super-atmospheric gas charge—the extra force being provided by the compression spring. | 06-16-2011 |
20110186166 | METHOD AND APPARATUS FOR MITIGATING UNDESIRED FLUID VIBRATION - A water hammer mitigation device includes an inlet, an outlet, an expansion housing, and a deflector. The inlet receives fluid from a source. The outlet passes the fluid to a destination. The expansion housing is disposed between the inlet and the outlet. The expansion housing defines an internal expansion chamber having an expansion volume sufficient to hold a plurality of volume units of the fluid. Each volume unit is defined by a fluid flow volume over a duration of time. The deflector is disposed within the expansion chamber. The deflector substantially redirects a backward energy pulse, which enters the expansion chamber through the outlet, away from the inlet. | 08-04-2011 |
20110192482 | HYDRAULIC ACCUMULATOR, IN PARTICULAR BELLOWS ACCUMULATOR - The invention relates to a hydraulic accumulator, in particular in the form of a bellows accumulator, in which the bellows ( | 08-11-2011 |
20110226369 | PRESSURE COMPENSATOR - A pressure compensator is configured to compensate for volume variations of an insulation medium or other liquid of a subsea installation. The pressure compensator includes a first bellows chamber having a first bellows part. The first bellows chamber is in flow connection with an insulation medium or liquid chamber of the subsea installation, and the walls of the first bellows chamber are configured to separate the insulating medium from surroundings. The first bellows chamber is surrounded by a second bellows chamber having an end wall, a side wall and a second bellows part formed by a diaphragm. The second bellows chamber is configured to form a closed intermediate space around the first bellows chamber. The walls of the second bellows chamber are configured to separate at least the bellows parts of the first bellows chamber from the surrounding water. The second bellows chamber is filled with an intermediate medium. | 09-22-2011 |
20110226370 | ACCUMULATOR - To cause a safety mechanism for an emergency to be activated at lower pressure in comparison with a rupture plate, an accumulator comprises an accumulator housing, a stay having a liquid passage provided in the end surface portion on an end of a stepped tubular portion of the stay, a bellows with a bellows cap, a safety mechanism for pressure drop, and a safety mechanism for an emergency which is structured such that, in an emergency such as a fire, the bellows cap or a member held by the bellows cap presses the stay by high pressure due to the fire in the housing, to buckle the stay at a step of the stepped tubular portion, and open a liquid chamber, wherein a thin portion is provided circumferentially partially at the step of the stay to readily incline the end surface portion of the stay when the stay is buckled. | 09-22-2011 |
20110240161 | Pressure compensating device for fluid-conducting systems - The invention relates to a pressure compensating device for fluid-conducting systems, with a pressure container ( | 10-06-2011 |
20110303315 | Device for Reducing Pressure Pulsations - The invention relates to a device that is always open for the pressure medium for reducing pressure pulsations and that can be switched between a pressure chamber of a slave cylinder and a pressure chamber of a master cylinder of a hydraulic force transmission system for motor vehicles. The device has an additional line section in the form of a channel having an opening on the slave cylinder side, an opening on the master cylinder side, and a channel length equaling a multiple of the direct distance between the two openings, and a volume receiver that can be elastically deformed under pressure, wherein the channel and the volume receiver are combined into an assembly in a housing. The result according to the invention is a device that not only has very good vibration dampening properties, but is also very compact and has a cost-effective design. | 12-15-2011 |
20110308653 | DAMPER FOR USE IN A FLUID DELIVERY SYSTEM - A fuel delivery system comprises a source, a fuel rail, and a damper coupled therebetween. The damper comprises a body having first and second sides, and a sidewall extending therebetween. The first and second sides and sidewall combine to define a cavity. The damper further includes first and second ports disposed in the sidewall of the body. A first portion of the first port is disposed outside of the cavity, and a second portion is disposed within the cavity. The second portion further includes an orifice therein to allow fluid to be communicated between the first port and the cavity. A first portion of the second port is disposed outside of the cavity of the body, and a second portion is disposed proximate the cavity. A portion of the first and/or second sides of the body has a diaphragm shape, thereby rendering the portion flexible. | 12-22-2011 |
20120000561 | Pressure Accumulator Device for Connecting to a Hydraulic System - A pressure accumulator device for connecting to a hydraulic system is disclosed. The pressure accumulator device has at least one accumulator element for storing pressure energy and has an accumulator line for connecting the accumulator element to the hydraulic system. The pressure accumulator device also has a sealed encapsulation of the accumulator element and/or of the accumulator line to form a closed volume, and a device, which interacts with the accumulator element, for reducing the hydraulic pressure in the accumulator element. | 01-05-2012 |
20120006438 | ACCUMULATOR - An outer gas type or inner gas type accumulator has a mechanism for reducing a pressure difference generated when liquid in a liquid chamber and gas expand thermally at a zero-down time, the pressure difference between the inside and outside of a bellows is reduced to suppress abnormal deformation of the bellows, a movable plate supported by spring means is provided at the bellows cap side of an oil port, the movable plate is supported by the spring means and away from a seal in normal operation, the movable plate is pushed by the bellows cap and contacts with the seal while elastically deforming the spring means, in a zero-down state, and when the liquid and the gas expand thermally in the zero-down state, the bellows cap moves to a position where the liquid pressure and the gas pressure balance, while the movable plate keeps contact with the seal. | 01-12-2012 |
20120037253 | HYDRAULIC ACCUMULATOR - A hydraulic accumulator comprises a first housing shell ( | 02-16-2012 |
20120037254 | METHODS AND DEVICES USED FOR AUTOMATICALLY CONTROLLING SPEED OF AN EXPANDER - A method of decreasing a transition time through a speed range that is unsafe for an integrity of a first expander, by automatically biasing a speed of a second expander that receives a fluid flow output from the first expander is provided, when the current speed of the first expander is within a bias application range. The method includes setting the speed of the second expander to be larger than a current speed of the first expander when the current speed of the first expander increases and is smaller than a first speed value, or decreases and is smaller than a second speed value, and setting the speed of the second expander to be smaller than the current speed of the first expander, when the current speed of the first expander increases and is larger than the first speed value or decreases and is larger than the second speed value. | 02-16-2012 |
20120085449 | High Energy Density Elastic Accumulator and Method of Use Thereof - The invention is an accumulator which stores energy by deforming from its original shape in response to the flow of a pressurized fluid. The stored energy is returned when the fluid flow is reversed and the accumulator returns to its original shape. At least one part of the novelty of the accumulator is that it captures elastic strain energy of a stretched bladder, as opposed to relying on gases and metals for energy storage as is usually seen in conventional accumulators. | 04-12-2012 |
20120090718 | TUBE BODY FOR PRESSURE TRANSDUCER - A highly practical tube body for a pressure transducer is provided which has excellent pressure resistance, corrosion resistance, and tensile strength; which can be manufactured at low cost in comparison with cases of using stainless steel; and which makes it possible to keep inside diameter precision high. In this tube body for a pressure transducer, the pressure applied to the interior is varied periodically, and a seal layer ( | 04-19-2012 |
20120111437 | Membrane for Oil Compensation - A membrane to compensate for effects on a volume of oil, the membrane is a metal capable of an elastic deformation and having a shape selected to optimize the elastic deformation in a desired manner so as to compensate for the effects on the volume of oil. | 05-10-2012 |
20120192979 | ELASTIC HYDRAULIC ACCUMULATOR/RESERVOIR SYSTEM - The invention is a combination accumulator and reservoir which stores energy when the accumulator deforms from its original shape in response to the flow of a pressurized fluid from the reservoir. The stored energy is returned when the fluid flow is reversed and the accumulator discharges the fluid and returns to its original shape. At least one part of the novelty of the invention is that the accumulator and the fluid reservoir reside in the same housing such that the volume of each varies inversely. Accordingly, the invention is more compact and weighs less than conventional accumulators. Another feature of the invention is that fluid is located around the bladder accumulator to lubricate contact between the bladder and sides of the reservoir. | 08-02-2012 |
20120199229 | GAS OVER LIQUID ACCUMULATOR - A fluid system comprises a pressure vessel with a baffle oriented at a skew angle. The baffle divides the vessel into first and second volumes. A first port is provided to introduce a pressurizing fluid into the first volume, and a second port is provided to circulate a working fluid within the second volume. A purge aperture is provided to purge the pressurizing fluid from the second volume across the baffle into the first volume, and a flow aperture is provided to transfer the working fluid through the baffle between the first and second volumes. | 08-09-2012 |
20120199230 | VOLUME ACCUMULATOR - A volume accumulator ( | 08-09-2012 |
20120199231 | VOLUME ACCUMULATOR - A volume accumulator ( | 08-09-2012 |
20120211110 | HYDRAULIC ACCUMULATOR, ESPECIALLY PULSATION DAMPER - A hydraulic accumulator, especially a pulsation damper, comprises a metal bellows ( | 08-23-2012 |
20120211111 | GUIDING DEVICE FOR METAL BELLOWS - A guiding device for metal bellows ( | 08-23-2012 |
20120211112 | MULTIPLE ACCUMULATOR SYSTEMS AND METHODS OF USE THEREOF - The invention is an accumulator system in which multiple elastomeric accumulators are attached in series or parallel in order to generate total differential pressure in excess of that generated in a non-series system. Also disclosed is a “stacked” accumulator system. The system stores energy when the accumulators deform from their original shape in response to the flow of a pressurized fluid. The stored energy is available for use when the fluid is released from the accumulators and the accumulators return to their original shape. | 08-23-2012 |
20120261014 | FLUID ACCUMULATOR CHAMBER - The present invention relates to a fluid accumulator chamber ( | 10-18-2012 |
20120273076 | COMPACT HYDRAULIC ACCUMULATOR - An accumulator includes a non-cylindrical outer vessel defining a gas-filled interior chamber, and an inner member positioned in the gas-filled interior chamber. The inner member has a gas-receiving portion in fluid communication with the gas-filled interior chamber of the outer vessel for receiving gas, and a working fluid-receiving portion separate from the gas-receiving portion for receiving working fluid. | 11-01-2012 |
20120285570 | PIPE JOINT CAPABLE OF ABSORBING WATER HAMMER SHOCK - A pipe joint, capable of absorbing water hammer shock, includes a tubular body, an elastic gasket, an inlet conduit and an outlet conduit. The tubular body has a passageway therethrough in which the elastic gasket is disposed. The elastic gasket divides the passageway of the tubular body into a first room and a second room and defines therein a plurality of holes each communicating with the first and second rooms. The inlet conduit is joined to one end of the tubular body and has a port in fluid communication with the first room of the tubular body. And, the outlet conduit is joined to the other end of the tubular body and has a port in fluid communication with the second room of the tubular body. | 11-15-2012 |
20130008544 | PULSATION DAMPENING CAPSULE - A pulsation damping capsule for connection to the pressure side of a piston pump having a metal membrane housing that is assembled from two membrane shells joined together in a hermetically sealed manner. The metal membrane housing separates an internal space from a surrounding pressure medium. The membrane shells are connected along a circumferential seam such that the pulsation damping capsule can compress and expand in a resilient-elastic manner as an energy convertor when subjected to external pressure as a result of pressure medium pulses. A reshapeable mass is arranged in the internal space and when the membrane shells are in the resilient-elastically compressed state, the mass completely fills an intermediate space that remains between the two membrane shells, so that the mass is precisely matched to the internal contour of the reshaped membrane shells while avoiding the formation of hollow spaces. | 01-10-2013 |
20130092273 | DEVICE FOR STORING HYDRAULIC FLUID - A device for storing fluid, of a transmission hydraulic system, having at least one storage chamber that is defined by a housing and a delimiting device, which can be connected with the hydraulic system. The volume of the chamber depends on operation of the delimiting device and/or the housing. The delimiting device and/or housing can be set such that the storage chamber has a defined volume, in opposition to a restoring effort of the housing and/or delimiting device, starting from an operating condition which differs from the operating condition equivalent to the minimum volume of the storage chamber toward their operating condition equivalent to the minimum storage chamber volume. When the holding device is actuated, the operating conditions of the delimiting device and/or the housing assembly vary between operating conditions in which the storage chamber volume is either a maximum or corresponds to the defined storage chamber volume. | 04-18-2013 |
20130098491 | PRESSURE COMPENSATION DEVICE IN AIRCRAFT - Pressure compensation device ( | 04-25-2013 |
20130126026 | PRESSURE STORE - A pressure store comprising sub-chambers ( | 05-23-2013 |
20130153072 | PARALLEL PLATE TYPE REFRIGERANT STORAGE DEVICE - A refrigerant storage device that arranges two end plates to form a cavity and includes a turbulator plate within the cavity. The turbulator plate is arranged within the cavity to reinforce the cavity by providing a plurality of reinforcement portions between the end plates. The cavity is sized and the turbulator plate is configured so a liquid portion of refrigerant flowing through the cavity collects onto the turbulator plate. The device has a rectangular shape that simplifies vehicle packaging and allows the device to be readily integrated into a plate-type refrigerant-to-liquid coolant heat exchanger. The device is formed by a stacking arrangement of parts that provides for a readily scalable design. | 06-20-2013 |
20130167961 | Tube-equipped, flanged, pressure transfer means, pressure measuring arrangement with such a tube-equipped, flanged. pressure transfer means and pressure measuring point with such a pressure measuring arrangement - A tube-equipped, flanged, pressure transfer structure comprises a flange for connecting to a counterflange; a tube, which is secured to the flange; a hydraulic path, which extends from a first opening in a front end surface of the tube facing away from the flange to a second opening in the rear end surface of the flange facing away from the tube; and an isolating diaphragm, which covers the first opening and is connected pressure-tightly with the front end surface of the tube along a peripheral edge, wherein the hydraulic path is filled or fillable with a pressure transfer liquid, in order to transfer a pressure presiding at the isolating diaphragm to the second opening, wherein the tube has a front section having the end surface and a first diameter and an intermediate section with a second diameter, which is less than the first diameter, and wherein the front section is shorter than the intermediate section. | 07-04-2013 |
20130167962 | PRESSURE COMPENSATOR FOR A SUBSEA DEVICE - A pressure compensator for a subsea device for performing a pressure compensation between an ambient medium surrounding the subsea device and a liquid medium filling a volume of the subsea device is provided. The pressure compensator has at least one outer bellow and a first chamber enclosed by the outer bellow. It further has at least one inner bellow which is arranged inside the first chamber, and a second chamber enclosed by the inner bellow. Between the outer bellow and the inner bellow, a compensation volume is confined, which is provided with a fluid connection to the volume of the subsea device. | 07-04-2013 |
20130220463 | PRESSURE DAMPING DEVICE FOR BRAKE SYSTEM - Disclosed is a pressure damping device for a brake system. The pressure damping device is installed at the brake system having a hydraulic block provided with a first hydraulic circuit to control transfer of fluid pressures generated by a first port of a master cylinder and discharged from a first pump to a first wheel, and a second hydraulic circuit to control transfer of fluid pressures generated by a second port of the master cylinder and discharged from a second pump to a second wheel, and the hydraulic block includes a bore connecting the master cylinder with discharge outlets of the first and second pumps and formed between first and second main oil paths to communicate with the first and second main oil paths, and a pressure damping unit provided in the bore and having a volume changed according to the fluid pressures from the first and second pumps. | 08-29-2013 |
20130269813 | Valve Combined With Water Hammer Arrester - The present invention relates to a valve combined with a water hammer arrester, including the water hammer arrester having a cylindrical casing having one side closed and the other side open, a shock-absorbing material being put into the cylindrical casing, and a piston adapted to be inserted into the cylindrical casing, the piston having packing members mounted thereon to prevent the leakage of the shock-absorbing material, wherein a drive part of the valve has an insertion portion formed by reducing the lower portion of the water hammer arrester, so that the insertion portion of the water hammer arrester functions as a spindle of the valve and a body of the water hammer arrester functions as an operating handle of the valve. | 10-17-2013 |
20130269814 | PRESSURE ACCUMULATOR WITH A CONNECTION DEVICE - A pressure accumulator with a connecting device, in which the pressure accumulator and the connecting device are connected together fluid-conductively. The pressure accumulator at a first axial connecting segment has a transverse bore which intersects an axial bore of the pressure accumulator, in which the transverse bore is configured for fluid-conductive connection with the connecting device. | 10-17-2013 |
20130333785 | HYDRAULIC ACCUMULATOR DEVICE - The invention relates to a hydraulic accumulator device in the form of a membrane accumulator, comprising a membrane ( | 12-19-2013 |
20140000740 | Damping Element for a Motor Vehicle Hydraulic System | 01-02-2014 |
20140000741 | Hydraulic Buffer | 01-02-2014 |
20140048163 | Displacement Sensor, In Particular For Use In A Subsea Device - A displacement sensor for sensing the displacement of a movable component is provided. The displacement sensor includes a displacement transmission mechanism configured to reduce a large displacement provided at its input into a smaller displacement at its output. The displacement sensor further includes a fiber optic displacement sensor, wherein the output of the displacement transmission mechanism is coupled to the fiber optic displacement sensor. | 02-20-2014 |
20140060688 | MEDIA SEPARATING DEVICE, IN PARTICULAR HYDRAULIC ACCUMULATOR, INCLUDING ASSOCIATED MEASURING APPARATUS AND MEASURING METHOD - The invention relates to a media separating device ( | 03-06-2014 |
20140116555 | PULSATION DAMPER OF A VEHICLE BRAKING SYSTEM - A pulsation damper of a vehicle braking system includes a connection for supplying and discharging fluid into a damper chamber. The connection has a segmented design with a first segment of the connection forming a supply line and a second segment of the connection forming a discharge line. The two segments are delimited from each other by a separating wall. | 05-01-2014 |
20140230939 | HYDRAULIC ACCUMULATOR IN FORM OF A BELLOWS ACCUMULATOR - The invention relates to a hydraulic accumulator, comprising an accumulator housing ( | 08-21-2014 |
20140261827 | ACCUMULATOR MEMBRANE FOR A HYDRAULIC HAMMER - An accumulator membrane is disclosed. The accumulator membrane may include a generally cylindrical tube having a side wall with a first end a second end. A lip may be located at the first end, and may form a pocket with the side wall. An extension may protrude from the second end at an angle generally perpendicular to the lip and co-axial with the generally cylindrical tube. | 09-18-2014 |
20140311603 | PRESSURE ACCUMULATOR - The invention relates to a pressure accumulator which consists of at least one accumulator housing ( | 10-23-2014 |
20140311604 | ACCUMULATOR - In order to provide an accumulator equipped with an emergency safety mechanism that is capable of being activated at a lower pressure than when a rupture disk is disposed on part of the circumference of the peripheral surface of a stay, the accumulator has an emergency safety mechanism that immediately releases pressure inside a housing to an oil port side when the inside of the housing reaches a high temperature and high pressure in an emergency such as a fire. The emergency safety mechanism allows a fluid chamber and the oil port to communicate via a first pressure release flow passage, which is formed due to a seal holder provided with recesses and projections on part of the circumference being seated on a seating surface, and a second pressure release flow passage formed due to a rubber-like elastic body of the seal disappearing as a result of the high temperature. | 10-23-2014 |
20140338770 | DUAL RESONATOR CHAMBER WITH VARIABLE VOLUME - The dual resonator chamber with variable volume includes first and second housings. The second housing is slidably mounted within the first housing such that a second inner neck portion of the second housing is slidably mounted about the first inner neck portion of the first housing and forms a fluid-tight seal therewith. A sliding wall is slidably mounted within the second housing, dividing the interior thereof into upper and lower resonator chambers. At least one first actutator selectively adjusts the height of the sliding wall with respect to the second lower end of the second housing to selectively adjust volumes of the upper and lower resonator chambers. At least one second actuator selectively adjusts the height of the second housing with respect to the first housing to selectively adjust the neck length of the lower resonator chamber. | 11-20-2014 |
20150013814 | SEALED FILL CAP ASSEMBLY - A fill cap assembly for a transmission is provided. In one form, the fill cap assembly includes a first part and a second part, each defining a cavity therein. A flexible membrane is disposed between the first and second parts and separates the cavities of the first and second parts. The cavities are sealed from each other by the membrane. The cavity of the first part is configured to be in fluid communication with the inside of the transmission. When pressure rises in the transmission, the flexible membrane expands into the cavity of the second part. When pressure sinks in the transmission, the membrane collapses partially into the cavity of the first part, thus expanding out of and/or away from the cavity of the second part. | 01-15-2015 |
20150083261 | APPARATUS AND METHOD OF MANUFACTURING PRESSURE COMPENSATOR TYPE DRIP IRRIGATION TUBES WITH DESIRED MOLECULAR ORIENTATION AND TUBES OBTAINED THEREBY - A method for manufacturing high speed pressure compensator-type drip irrigation tubes and the tubes obtained thereby having absolute radial orientation of molecular chains, the orientation imparting strength as well as flexibility to the tube material. The said method comprises extruding a tube using a plurality of extruders; blowing up the extruded tube by introducing a pressure inside the tube relatively higher than the pressure outside the tube; drawing the blown tube simultaneously to the blowing of tube; flattening the blown tube by heat welding the collapsed halves together and forming a tape immediately, subsequent to the process of blowing and drawing the tube; extrusion of a bonding polymer on one border of the tape; printing flow channels into the hot and viscous bonding polymer; and forming a tube by lengthwise folding the tape and heat welding the overlapping borders together using the bonding polymer. | 03-26-2015 |
20150096639 | COMPOSITE PULSATION DAMPENER - A pulsation control device is constructed at least partially of a composite carbon (and/or other fibers)/epoxy exostructure having an oblong cylindrical or spheroidal shape, optionally with metallic portions or reinforcements, together with a non-metallic polymer non-load sharing liner. A pressure drop tube preferably extends from an opening through an exterior wall of the body into an interior space within the body. | 04-09-2015 |
20150330421 | PRESSURE COMPENSATION DEVICE AND HOUSING COMPONENT - A pressure compensating device includes a diaphragm and a holding element. The holding element has a bearing surface facing the diaphragm. A cohesive or materially-bonded connection is formed at the bearing surface between the diaphragm and the holding element. The diaphragm is fixed to the bearing surface of the holding element by the cohesive connection. A cover which is fixed to the holding element has at least one first receiving device or receptacle at least partly receiving the diaphragm. The cover presses the diaphragm at least partly onto the cohesive connection and presses the cohesive connection onto the bearing surface of the holding element. A housing component having a pressure compensating device and a control unit having a housing are also provided. | 11-19-2015 |
20150337868 | HYDRAULIC DAMPER - A hydraulic damper disposed in a discharge-side passage of a hydraulic pump comprises a bladder made of elastic material and formed into a cylindrical shape, a core, and a plug. The bladder includes a spherical closed end portion at its one end and an open end portion at its the other end. The open end portion includes an annular flange portion extending outwardly in the radial direction. The core includes an inserted portion to be inserted into the bladder and an annular flange portion extending outwardly in the radial direction so as to contact with an end face of the open end portion of the bladder. The inserted portion has a large-diameter portion, a small-diameter portion and a gradually-changing diameter portion formed between the large-diameter portion and the small-diameter portion and forming an air chamber in the bladder together with the small chamber. | 11-26-2015 |
20150338011 | PRESSURE ABSORBER FOR A FLUID SYSTEM AND METHOD OF USE - Disclosed is an absorber system for absorbing pressure shocks and fluid volume shocks in a fluid system. In particular, the absorber system includes a housing with a joint for insertion within a fluid system, wherein the housing interior is in fluid communication with fluid in the fluid system. As such, when a pressure and/or fluid volume shock is developed within the fluid system, fluid is forced into the housing via the joint. A membrane is disposed within the housing in such a way that the fluid impacts the membrane which, in response, flexes to absorb and control the pressure and/or fluid volume shock within the fluid system. The absorber system, thus, controls pressure and/or fluid volume shock within a system and can prevent water hammer and other problems which can result from the development of pressure and/or fluid volume shock. | 11-26-2015 |
20150338012 | MULTI-LAYERED GAS-FILLED BLADDER FOR ACCOMMODATING CHANGES IN FLUID CHARACTERISTICS WITHIN A FLUID DELIVERY SYSTEM - An absorber for use in a fluid delivery system is disclosed which includes a housing defining an interior chamber, a connective fitting extending from the housing in fluid communication with the interior chamber for connecting the housing to the fluid delivery system, and at least one gas-filled bladder or cell disposed within the interior chamber of the housing to accommodate changes in fluid characteristics, such as, for example, pressure and volume, within the fluid delivery system, the gas-filled bladder or cell having a predetermined pre-charge pressure and a multi-layered flexible polymeric shell including a plurality of successive relatively thin polymeric shell layers to inhibit the formation of leak paths through the shell in the event that a single shell layer fails. | 11-26-2015 |
20150338023 | METALLIC LINER PRESSURE VESSEL COMPRISING POLAR BOSS - The present invention provides a Type 3 pressure vessel comprising a polar boss that is attached to a metallic liner and provides reinforced static strength, fatigue strength, endurance, chemical resistance and/or corrosion resistance of the liner orifice or neck region. In particular, the material of the polar boss has higher static strength, fatigue strength, endurance, chemical resistance and/or corrosion resistance relative to that of the liner material. | 11-26-2015 |
20160025112 | ACCUMULATOR MEMBRANE FOR A HYDRAULIC HAMMER - An accumulator membrane is disclosed. The accumulator membrane may include a generally cylindrical tube having a side wall with a first end a second end. A lip may be located at the first end, and may form a pocket with the side wall. An extension may protrude from the second end at an angle generally perpendicular to the lip and co-axial with the generally cylindrical tube. | 01-28-2016 |
20160053933 | ACCUMULATOR - An accumulator ( | 02-25-2016 |
20160116098 | TUBULAR OCCLUSION AND PRESSURE DAMPING SYSTEM AND TEMPORAL PRESSURE CONTROLLING ARRANGEMENT - A tubular occlusion and pressure damping system includes, a tubular, an occlusion configured to block flow through the tubular, the occlusion having, a first chamber in pressure communication with an inside of the tubular, a second chamber in fluidic communication with the first chamber, and a flow restrictor in operable communication with the first chamber and the second chamber. The flow restrictor configured to throttle flow between the first chamber and the second chamber such that pressure increases within the second chamber lag behind pressure increases in the inside of the tubular at least until the second chamber has reached a selected volume after which pressure within the second chamber increases toward the pressure in the inside of the tubular. | 04-28-2016 |
20170234473 | BICYCLE HYDRAULIC HOSE CAP AND BICYCLE HYDRAULIC HOSE ASSEMBLY | 08-17-2017 |