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Pump Device

A pump device and technology for generating devices, which can be applied to pumps, components of pumping devices for elastic fluids, multi-cylinder pumps, etc., can solve problems such as expensive devices

Active Publication Date: 2016-05-18
DANFOSS AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this, a large number of pump units are required, which makes the whole unit expensive
In addition, each pump unit used with a corresponding drive motor requires a certain amount of space
Therefore, in order to pursue a large fluid volume to be pressurized, considerable space is required

Method used

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Examples

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Effect test

Embodiment Construction

[0025] The pump device 1 is used to pump water. It is a water hydraulic machine and comprises a shaft 2 which is rotatable by a motor not shown. The shaft 2 is a through-shaft extending almost the entire length of the pump device 1 . The first rotor 3 a and the second rotor 3 b are fixed to the shaft 2 in the direction of rotation and in the axial direction of the shaft 2 , which refers to the axis of rotation 4 of the shaft 2 .

[0026] The first rotor 3a has a plurality of first pressure chambers 5a. Each pressure chamber 5a is formed by a first cylinder 6a and a first piston 7a which is movable parallel to the axis 4 of the shaft 2 during operation. Thus, the volume of the first pressure chamber 5 a changes between a maximum size and a minimum size during the rotation of the shaft 2 .

[0027] The first swash plate 8a is positioned facing the front of the first rotor 3a. Each first piston 7a is provided with a first slide 9a. The slider 9a is held in contact with the s...

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PUM

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Abstract

A pump device (1) is provided comprising: a shaft (2), rotor means (3a, 3b) fixed to said shaft (2) in rotational direction, said rotor means (3a, 3b) having pressure chambers (5a, 5b) the volume of which varying during a rotation of said rotor means (3a, 3b), port plate means (15a, 15b) having a through going opening (16a, 16b) for each of said pressure chambers (5a, 5b) and being connected to said rotor means (3a, 3b) in rotational direction, and valve plate means (17a, 17b) cooperating with said port plate means (15a, 15b). It is intended to pressurize a high volume of fluid, in particular water, within a limited space.

Description

technical field [0001] The invention relates to a pump device. In particular, the present invention relates to a water hydraulic pumping device, ie a pumping device with which water can be pumped and with which the water pressure can be increased significantly so that water can be supplied to a reverse osmosis device. Background technique [0002] The pump arrangement comprises a shaft, a rotor arrangement fixed to said shaft in the direction of rotation, said rotor arrangement having a pressure chamber whose volume changes during rotation of said rotor arrangement, port plate arrangement, Said port plate means has a through opening for each of said pressure chambers and is connected in rotational direction to said rotor means, and to a valve plate means cooperating with said port plate means. [0003] In such a pump arrangement, when the shaft is driven in the direction of rotation, the rotor arrangement rotates, thereby increasing and decreasing the volume of the pressure...

Claims

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Application Information

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IPC IPC(8): F04B1/12F04B53/10
CPCF04B1/2021F04B1/22F04B53/10
Inventor 威尔曼·弗里德里克森弗兰克·霍尔姆·伊韦尔森拉尔斯·马腾森帕列·奥尔森斯蒂格·凯尔德加德·安德森
Owner DANFOSS AS
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