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| Application No. | Application Title | Issue Date |
| 20110308654 | DAMPER ARRANGEMENT AND METHOD FOR DESIGNING SAME A damper arrangement (10) has a first Helmholtz damper (11) connected in series to a second Helmholtz damper (12). The resonance frequency of the first Helmholtz damper (11) and the resonance frequency of the second Helmholtz damper (12 | 12/22/2011 |
| 20110277863 | LOW PRESSURE ACCUMULATOR FOR ANTI-LOCK BRAKE SYSTEM Disclosed is a low pressure accumulator for an anti-lock brake system of a vehicle. The low pressure accumulator includes a cylinder having one end communicated with a fluid path connected to a valve and a pump and an opposite end formed with an opening, a piston moving... | 11/17/2011 |
| 20110226372 | SIDE GRIPPING MECHANISM AND DEVICE HANDLERS HAVING SAME An apparatus comprises a cavity coupled to a pneumatic controller configured to control pressure in the cavity; a piston configured to be pulled into the cavity when pressure in the cavity is below atmospheric pressure and to be pushed outward when pressure in the cavit... | 09/22/2011 |
| 20110226371 | ACCUMULATOR ASSEMBLY An accumulator assembly is includes a piston located within a pressure canister. The pressure canister has a piston stop therein. The piston stop is located radially outboard of a biasing member or spring located within the pressure canister between the pressure caniste... | 09/22/2011 |
| 20110197658 | ACCUMULATOR PISTON POSITION-MEASURING DEVICE A hydraulic accumulator including a fluid chamber and a displaceable piston that is connected to a piston position-measuring means is disclosed. Embodiments of the hydraulic accumulator can provide a device that measures the available fluid volume in the accumulator. In... | 08/18/2011 |
| 20110108148 | BREATHABLE LOW PRESSURE ACCUMULATOR A breathable low pressure accumulator includes a housing with a cylindrical bore formed therein. A piston slides within the bore and includes an elastic piston head. A biasing member urges the piston towards a first end of the bore. At least one passage communicates bet... | 05/12/2011 |
| 20110000565 | HYDRAULIC OSCILLATING MOTOR A hydraulic oscillating motor which has at least two working chambers which are coupled via pressure lines to a device for pressure compensation. A first working chamber is connected to a first pressure line and a second working chamber is connected to a second pressure... | 01/06/2011 |
| 20100313560 | HYDRAULIC PRESSURE APPARATUS AND BRAKE PRESSURE CONTROL APPARATUS USING THE SAME An open port is provided on an inner peripheral surface of the cylinder bore of the reservoir apparatus and the port is exposed to the exterior of the reservoir apparatus. A hollow portion is formed concentrically with the port on a reservoir body. An annular thin porti... | 12/16/2010 |
| 20100288388 | DUCT PROVIDED WITH A DEVICE FOR ABSORPTION OF PRESSURE PULSES A duct for a hydraulic steering system comprises a pipe for feeding a fluid and a device for absorption of the fluid pressure pulses is provided. In particular, the device defines a chamber which is connected in parallel to the pipe by means of a first and a second conn... | 11/18/2010 |
| 20100206389 | PRESSURE-COMPENSATED ACCUMULATOR BOTTLE A pressure-compensated accumulator bottle is provided. In one embodiment, the accumulator bottle includes a housing and an interior wall that generally define first, second, and third chambers within the housing. In this embodiment, a spring is disposed in the second ch... | 08/19/2010 |
| 20100193059 | ACCUMULATOR To restrain abnormal deformation of a bellows due to a pressure difference between the inside and outside thereof, an outside gas type accumulator includes a pressure difference regulation mechanism (21) having a movable plate (22) supported by a coil spri... | 08/05/2010 |
| 20100150717 | Variable-Diameter Rotor with Centrifugal Forces Compensation Mechanism A variable-diameter rotor comprises a hub with a shaft and rotor blades, wherein each of the rotor blades comprises a radially internal blade part and a radially external blade part. In each of the rotor blades, a jackscrew mechanism is arranged therein and includes a j... | 06/17/2010 |
| 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... | 05/06/2010 |
| 20090293978 | SPRING-LOADED PISTON ACCUMULATOR WITH LOCKING FUNCTION A piston accumulator (10) comprises a pressure chamber (40) which is closed on one side by an axially shiftable piston (50) in order to change its volume depending on the axial position of the piston (50). A locking mechanism is provided for ... | 12/03/2009 |
| 20090293977 | Spring-tensioned Piston Accumulator With Detent Function A piston accumulator (10) comprises a pressure chamber (40) which on one side is closed by a piston (50) axially displaceable in a pipe (20) in order to change its volume depending on the axial position of the piston (50). A detent mec... | 12/03/2009 |
| 20090205731 | Hydraulic accumulator The invention relates to a hydraulic accumulator, particularly in the form of a suction stream stabilizer, having an accumulator housing (10) which is provided with two fluid connections (16) between which a deflection device (22) is arranged which ... | 08/20/2009 |
| 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 a... | 05/28/2009 |
| 20090126815 | LIGHTWEIGHT HIGH PRESSURE REPAIRABLE PISTON COMPOSITE ACCUMULATOR WITH SLIP FLANGE A reduced weight and repairable piston accumulator. The accumulator includes a load bearing metallic cylinder with removable end caps secured thereto with slip flanges for allowing repairability and for achieving the required cycle life. The cylinder serves as the surfa... | 05/21/2009 |
| 20090126816 | LIGHTWEIGHT HIGH PRESSURE REPAIRABLE PISTON TIE ROD COMPOSITE ACCUMULATOR A lightweight high pressure repairable piston composite tie-rod accumulator that does not use a load bearing metallic liner. An exemplary accumulator includes composite tie rods that sustain the axial stress induced by pressurization of the accumulator, while the shell ... | 05/21/2009 |
| 20090101222 | Pressure accumulator, especially pulsation damper The invention relates to a pressure accumulator, especially a pulsation damper, which comprises an accumulator housing (10) and a piston element (28) disposed therein. A bellows-type separative element (30) is supported on the piston part (28... | 04/23/2009 |
| 20090064674 | Accumulator An accumulator for a hydraulic system, wherein the accumulator comprises a liner, a piston and a housing, that defines a pressure chamber, for receiving hydraulic fluid at high pressure, wherein the piston is biased towards an end position of the pressure chamber for in... | 03/12/2009 |
| 20080314467 | Piston-in-sleeve hydraulic pressure accumulator A piston-in-sleeve accumulator includes a cleaning element positioned on the piston and configured to remove and prevent debris from lodging between the piston and a cylindrical nonpermeable sleeve within which the piston slides. A seal on the piston is positioned to en... | 12/25/2008 |
| 20080308168 | COMPACT HYDRAULIC ACCUMULATOR A lightweight, optimally efficient, easily serviced, piston-in-sleeve high pressure accumulator is provided. The accumulator includes one or more cylindrical composite pressure vessel separate end cap manifolds. A piston slidably disposed in a thin impermeable internal ... | 12/18/2008 |
| 20080245432 | Subsea Equipment A subsea equipment (1) used for natural gas or crude oil production, such as a subsea actuator (2) for a valve, a restrictor or the like, a control module or other means, comprises at least an oil-filled first component (3) and a compensator unit (<... | 10/09/2008 |
| 20080230135 | Piston-Type Accumulator The invention relates to a piston-type accumulator comprising a separating piston (24), which can be axially displaced inside an accumulator housing (10) and which separates two spaces from one another inside the accumulator housing (10), particularly a ga... | 09/25/2008 |
| 20080060711 | Hydraulic Accumulator The invention relates to a hydraulic accumulator, especially a piston accumulator, comprising an accumulator housing (10) and a separating piston that can be longitudinally displaced in the accumulator housing (10) and divides two working chambers (12 | 03/13/2008 |
| 20070289653 | Gas Compressor With Side Branch Absorber For Pulsation Control A method and system for reducing pulsation in lateral piping associated with a gas compressor system. A tunable side branch absorber (TSBA) is installed on the lateral piping. A pulsation sensor is placed in the lateral piping, to measure pulsation within the piping. Th... | 12/20/2007 |
| 20070284010 | 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 syst... | 12/13/2007 |
| 20070181199 | Hydraulic accumulator The invention relates to a hydraulic accumulator with an accumulator housing provided in the form of a tube (1), inside of which a separating element, preferably a piston (9), which can be displaced in the axial direction (7) of the tube, separates ... | 08/09/2007 |
| 20070125436 | 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 with a ... | 06/07/2007 |
| 20060260705 | Device for damping water hammer The invention relates to a device for damping water hammers in hydraulic accumulators, in particular in piston accumulators, which is embodied in the form of the accumulator component which operates as a throttle on a fluid flow and is inserted between internal elements... | 11/23/2006 |
| 20060225800 | Device for damping pressure surges The invention relates to 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 energy store (12). In orde... | 10/12/2006 |
| 20060130920 | Hydraulic accumulator The invention concerns a hydraulic accumulator comprising a piston (3) capable of moving in an accumulator housing (1) in the axial direction thereof, and separating a gas side (5) from a liquid side (7) of the accumulator housing (1).... | 06/22/2006 |
| 20060037658 | 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 block the opening end. The steel pipe has a flange portion which can be cut... | 02/23/2006 |
| 20050224122 | Hydraulic accumulator Disclosed is a hydraulic accumulator, particularly a piston-type accumulator, comprising an accumulator housing (1) which defines a longitudinal axis (9) and is provided with an opening that is concentric with the longitudinal axis (9) and is closed... | 10/13/2005 |
| 20050194054 | 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 accumulator s... | 09/08/2005 |
| 20050166984 | Fluid accumulator This invention relates to a fluid accumulator comprising a wall (2) encompassing a reservoir (1) for receiving the fluid, part of the wall being elastically deformable. The wall (2) of the fluid accumulator comprises a first wall portion (2A)... | 08/04/2005 |
| 20050155658 | Hermetically sealed pressure balanced accumulator A hermetically sealed pressure-balanced accumulator includes a housing and a moveable divider mechanism for separating the housing into at least an accumulator chamber at a pre-selected accumulator pressure. A first balancing chamber is responsive to changes in ambient ... | 07/21/2005 |
| 20050061379 | 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. ... | 03/24/2005 |
| 20050034953 | PINLESS ACCUMULATOR PISTON A replacement accumulator piston for various General Motors transmissions, which absorbs clutch apply fluid pressure to cushion the application of a clutch band against fluid shock is disclosed. The present pinless accumulator piston design eliminates the accumulator pi... | 02/17/2005 |
