Abstract: The invention relates to a damping device, particularly for damping or avoiding pressure surges such as pulses, in hydraulic supply circuits, preferably in the form of a silencer, comprising a damping housing which surrounds a damping chamber (19) and has at least one fluid inlet (11) and at least one fluid outlet (13) and a fluid receiving chamber (19) which extends between said fluid inlet (11) and fluid outlet (13), wherein, during operation of the device, a fluid flow crosses the damping chamber (19) in a through-flow direction (15), coming from the fluid inlet (11) in the direction of the fluid outlet (13), and wherein at least parts of the fluid receiving chamber (19) extend in at least one extension direction transversely with respect to the through-flow direction (15). The invention is characterised in that the fluid receiving chamber (19) immediately adjoins the fluid inlet (11) and the fluid outlet (13) and is delimited by at least one yielding wall part (4).

Abstract: Degasifying apparatus for eliminating gases, such as ambient air, from fluids, such as oil, said apparatus consisting of at least one permeable membrane (26) which lets the gas to be eliminated from the fluid (22) penetrate therethrough and retains the liquid moiety of the fluid.

Abstract: A damping device damps or prevents pressure shocks, such as pulsations, in hydraulic supply circuits, preferably in the form of a silencer, and has a damping housing (1) surrounding a damping chamber (19), with a fluid inlet (11) and a fluid outlet (13). A fluid receiving chamber (19) extends between the fluid inlet and fluid outlet. During operation of the device, a fluid flow coming from the fluid inlet (11) in a through-flow direction (15) traverses the damping chamber (19) toward the fluid outlet (13). Parts of the fluid receiving chamber (19) extend in a direction transverse to the through-flow direction (15). The fluid receiving chamber (19) is located directly adjacent to the fluid inlet (11) and the fluid outlet (13).

Abstract: The invention relates to a method for the production of a bladder accumulator (10) which separates two media chambers (16, 18) from one another in a storage housing (12) by means of a bladder body (14), comprising at least the following production steps:—extruding a plastic tube over the bladder body (14);—shaping the plastic tube with the integrated bladder body (14) in a molding tool that corresponds to a predeterminable plastic core container (20), and—winding at least one plastic fiber from the outside on the plastic core container (20) for the purpose of creating the storage housing (12).

Abstract: The invention relates to a hydraulic accumulator, especially a piston accumulator, in which a piston part (27) separates from each other two media spaces (23, 25) inside a storage housing (1), characterized in that the piston part (27) is designed as a deep-drawn part.

Abstract: A hydraulic accumulator, in particular a low-pressure accumulator, has an accumulator housing (2) and a separating element, in particular in the form of an accumulator bladder (22) separating two media chambers (3, 5) in the housing (2). The accumulator housing (2) is formed of at least two shells (8, 10) welded together at their opposing end regions (24).

Abstract: A separating device for fluid media receivable in a working housing (1). A separating piston (3) is inside the working housing (1) and separates two media compartments (5, 7) from one another in a media-tight manner. The separating piston (3) is provided along its external circumference with a guide (19). During a transversing movement of the separating piston (3) inside the working housing (1), the guide bears slidably on the housing inner wall (21) and is an integral component of the separating piston (3).

Abstract: A pressure accumulator has at least one accumulator housing (103) with at least one connection (111; 113) for a pressure medium (149), especially in the form of a fluid that can be accumulated in the accumulator housing (103). A filling material (119) that has hollow chambers or that forms at least one hollow chamber for accommodating at least part of the pressure medium (149) introduced into at least sections of the accumulator housing (103). An interior (117) of the accumulator housing (103) is completely filled with the filling material (119) to such an extent that the filling material (119) contacts the entire surface of a wall (120) of the accumulator housing (103).

Abstract: A damping device, in particular for damping or avoiding pressure surges, such as pulses, in hydraulic supply circuits, preferably in the form of a silencer, having a damping housing which surrounds a damping chamber and has at least one fluid inlet (3) and at least one fluid outlet (5) and a fluid receiving chamber (7) which extends between the fluid inlet and the fluid outlet, wherein, during operation of the device, a fluid flow crosses the damping chamber in a throughflow direction (11), coming from the fluid inlet (3) in the direction of the fluid outlet (5), and wherein at least parts of the fluid receiving chamber (7) extend in at least one extent direction transversely with respect to the throughflow direction (11), is characterized in that the fluid receiving chamber immediately adjoins the fluid inlet (3) and the fluid outlet (5) and in that a guide element (51) is provided in the damping chamber, the fluid flow being able to flow against the guide element and the guide element changing the flow spee

Abstract: A damping device, in particular for damping or avoiding pressure surges, such as pulses, in hydraulic supply circuits, preferably in the form of a silencer, having a damping housing (1) which surrounds a damping chamber and has at least one fluid inlet (35) and at least one fluid outlet (41) and a fluid receiving chamber which extends between the fluid inlet (35) and the fluid outlet (41), wherein, during operation of the device, a fluid flow crosses the damping chamber in a throughflow direction (11), coming from the fluid inlet (35) in the direction of the fluid outlet (41), and wherein at least parts of the fluid receiving chamber extend in at least one extent direction transversely with respect to the throughflow direction (11), is characterized in that more than one fluid receiving chamber is arranged one after the other in the throughflow direction (11) and in that the fluid receiving chamber which is first upstream and the fluid receiving chamber which is last downstream immediately adjoin the fluid in

Abstract: A method for producing a foam body, in particular for a pressure accumulator, such as a hydraulic accumulator, the bubble- or diaphragm-shaped, elastically flexible separating layer (12) of which separates two media chambers from each other within the accumulator housing, in particular a gas working chamber from a liquid chamber (18), with at least the following production method steps: —introducing a flowable, preferably liquid, foam material into the pressure accumulator, said foam material being at least partially surrounded by the separating layer (12), —curing the foam material in the pressure accumulator, and in the process—building up a pressure gradient, in which the visibly curing foam material expands the separating layer (12) from an originally partially filled starting state in the direction of an end state, in which the accumulator is finally filled with the cured foam (38).

Abstract: A damping device, in particular for damping or preventing pressure impacts, like pulsations, in hydraulic supply circuits, comprising a damping housing (1) which surrounds a damping chamber and has at least one fluid inlet (13) and a fluid outlet (15) and a damping tube (21; 51) located in the flow path between the damping inlet and outlet, said damping tube having at least one branch opening (29; 73, 75, 77, 79, 81) passing through the tube wall and leading to a Helmholtz volume (27; 53, 55, 57, 59, 61) inside of the damping housing (1) for forming a Helmholtz resonator in a region positioned inside of the length of the damping tube, characterized in that a fluid filter (35) is arranged inside of the damping housing (1) in the flow path running between the fluid inlet (13) and fluid outlet (15).

Abstract: A device recovers energy in working machines with at least one power drive actuated to move a load mass back and forth and with an energy storage system (16) absorbing the energy released in the movement of the load mass in one direction and making it available for a subsequent movement in the other direction. The energy storage system includes an accumulator cylinder (16) mechanically coupled to the load mass and storing pneumatic pressure energy for movement in one direction. For movement in the other direction, the accumulator cylinder acts as an auxiliary working cylinder supporting the power drive and converting the stored pressure energy into driving force.

Abstract: A method for manufacturing a pressure vessel (2), which is preferably provided for use in bladder accumulators, comprising the following manufacturing steps:—providing a support structure (22), more particularly in the form of a liner;—applying a fibrous material (24) to the support structure (22) to form a base structure (20);—placing the base structure (20) in a heatable mold apparatus (4, 6, 10); and—introducing a matrix between the mold apparatus (4, 6, 10) and the base structure (20), which partially penetrates the fibrous material (24).

Abstract: The invention relates to an accumulator device, in particular in the form of a piston accumulator, having a dividing piston (22) which inside an accumulator housing (2) separates two media chambers (26, 28) from each other, and in particular separates a chamber (28) containing a working gas, such as nitrogen, from a chamber (26) containing a working fluid, such as hydraulic oil. The invention is characterized in that the dividing piston (22) is longitudinally movably guided in a guide device (24) and that the guide device (24) is arranged inside the accumulator housing (2) and extends at least partially along the longitudinal axis (10) thereof.

Abstract: The invention relates to a hydraulic accumulator, in particular a low-pressure accumulator, comprising an accumulator housing (2) and a separating element arranged therein, in particular in the form of an accumulator bladder (22) separating two media chambers (3, 5). The hydraulic accumulator is characterized in that the accumulator housing (2) is formed of at least two shells (8, 10) welded together at their opposing end regions (24).

Abstract: The invention relates to a pressure accumulator comprising a membrane (4) which forms a movable separating element between media spaces (6, 8) and which is made of contiguous layers (16, 18, 20, 22, 24, 26) of different materials, said pressure accumulator being characterized in that at least one layer of a basic structure (16, 20) having filaments and provided with a gas-tight impregnation (24) is disposed between layers (18) made of an elastomer.

Abstract: A pressure vessel for receiving at least one fluid medium has a first shell (1) and a second shell (3) at least partially encompassing the first shell (1). The first shell (1) has, at least at one of its ends, a collar portion (5) having a securing element (15) that forms an opening (13) for supplying and discharging the medium. A support element (19) in the form of a split ring surrounds the opening (13), is provided inside the container and has a contact surface (39) adapted to the curved shape of the first shell (1) inner side attached to the collar portion (5). The contact surface is able to be pressed onto the first shell inner side attached to the collar portion (5). The contact surface is able to be pressed onto the first shell (1) using a pressing device (43, 45).

Abstract: A pressure accumulator has at least one accumulator housing (403) with at least one connection (411) for a pressure medium (421), especially in the form of a fluid that can be accumulated in the accumulator housing (403). The filling material (419) has hollow chambers or forms at least one hollow chamber for accommodating at least part of pressure medium (421) and/or at least one further pressure medium (449) introduced into at least sections of the accumulator housing (403).

Abstract: The invention relates to a separating device for fluid media, which media can be received in a working housing (1), comprising a separating piston (3) which inside the working housing (1) separates two media compartments (5, 7) from one another in a media-tight manner and which separating piston (3) is provided along the external circumference thereof at least partially with a guiding means (19) which during a traversing movement of the separating piston (3) inside the working housing (1) bears slidably on the inner wall (21), characterised in that the guiding means (19) is an integral component of the separating piston (3).