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Damping device

A buffer device and buffer technology, applied in the direction of fluid pressure actuators, actuator accumulators, pipe elements, etc., can solve the problems of expensive, time-consuming, and costly, and achieve effective cleaning effect

Active Publication Date: 2020-11-06
HYDAC TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This process is complicated and expensive, since the sealing elements also have to be replaced together, so that this process is time-consuming and results in long downtimes of the system

Method used

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Embodiment Construction

[0026] The exemplary embodiment shown in the drawing has a hydraulic accumulator in the form of a hydropneumatic diaphragm accumulator 2, indicated as a whole by 2, which essentially corresponds in its construction to that in The pressure accumulator shown in DE 10 2007 003 724 A1. The accumulator housing is constructed in multiple parts from housing parts 4 and 6 , which are fastened detachably from one another by means of a union nut 8 . exist figure 1 The upper housing part 4 has the shape of a semi-hollow sphere on which is located coaxially with respect to the vertical axis 10 for the working gas, for example H 2 The filling joint 12. The inner wall of the lower housing part 6 has the shape of a hemispherical spherical cap. A coiled membrane 18 is provided as a membrane forming a movable separating element between the gas side 14 adjoining the filling connection 12 and the fluid chamber 16 of the energy store 2 . The coiled diaphragm is figure 1 In the end position s...

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Abstract

The invention relates to a damping device for fluids affected by pressure pulsations, comprising at least one hydraulic reservoir (2), the reservoir housing (4, 6) of which contains a movable separating element (18), which separates a gas side (14) from a fluid space (16) and can be pressurised by a fluid in the fluid space (16), which damping device is characterized in that a damper housing (34)having a second fluid space (38) is provided as a component of the reservoir housing (4, 6), through which fluid affected by pressure pulsations can flow, and contains a second movable separating element (40) which separates the second fluid space (38) from the first fluid space (16) of the hydraulic reservoir (2) without any dead space.

Description

technical field [0001] The invention relates to a damping device for fluids with pressure pulsations, said damping device having at least one hydraulic accumulator, the accumulator housing of which contains a movable separating element, said The separating element separates the gas side from the fluid chamber and can be pressurized by the fluid located in the fluid chamber. Background technique [0002] Damping devices with hydraulic accumulators providing flexible pressure cushions are known in the art and are used in various fluid systems to smooth out occurring pressure pulsations. DE 10 2007 003 724 A1 shows by way of example a hydraulic accumulator in the form of a diaphragm accumulator which can be used as a damper accumulator. In different applications, such as in chemical / food chemical or pharmaceutical applications, the buffer device is often used for different fluids which are conveyed sequentially through the buffer device. In order to meet correspondingly valid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B21/00F15B1/22
CPCF15B1/22F15B21/005F15B2201/205F15B2201/3151F15B2201/32F15B2201/413F15B1/125F15B1/10F16L55/053F15B2201/405F15B21/008
Inventor M·格罗本
Owner HYDAC TECH GMBH