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Liquid conveyer with blades

A technology for conveying devices, liquids, applied to components of pumping devices for elastic fluids, liquid fuel engines, rotary piston type/oscillating piston type pump components, etc., which can solve problems such as unsatisfactory balance pressure. , to achieve the effect of flow balance

Inactive Publication Date: 2011-07-20
TOKHEIM HLDG BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0026] However, these different ways of balancing stress have not proven to be entirely satisfactory

Method used

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  • Liquid conveyer with blades
  • Liquid conveyer with blades
  • Liquid conveyer with blades

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] according to figure 1 To 4, the transfer device comprises a stator 1 in the form of a hollow cylinder, in which a substantially cylindrical rotor 2 is mounted such that when it rotates about the axis xx' in the direction of the clock hands as indicated by the arrow 2 is removable.

[0045] Said rotor 2 is mounted eccentrically on said stator 1 so as to delimit with said stator 1 an annular volume 3 of varying radial cross-section, which allows liquid to flow between the inlet 4 and the outlet in a manner described in detail below. Transfer between port 5.

[0046] according to figure 1 To 4, the rotor 2 is provided with a set of blades 7 with graphite and polytetrafluoroethylene substrates, the blades 7 are mounted to slide in radial cavities 8, the cavities 8 are evenly spaced And elastically keep in contact with the inner wall of the stator 1 by means not shown in the drawings.

[0047] Each blade 7 is provided with a through hole 9, the function of which will a...

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PUM

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Abstract

The invention relates to a liquid conveyer with blades, comprising a stator and a rotor, wherein the rotor is installed in the internal area of the stator in centrifugal manner, is tangential to the internal area of the stator and is provided with a group of at least four blades, the blades slide in radial cavity and keep contact with the stator elastically so as to allow liquid to convey betweenan input port and an output port, wherein the annular volume between the stator and the rotor is divided into a suction chamber, a conveying chamber, a discharge chamber and a medial chamber, the suction chamber is connected with the input port, the discharge chamber is connected with the output port, the medial chamber is surrounded around the tangential area between the stator and the rotor, wherein each blade is provided with at least one through hole so as to allow to form communication between the area of the annular volume positioned at the upriver of the blade and the area of the volume positioned at the downriver of the blade.

Description

technical field [0001] The invention relates to a vaned liquid conveying device, in particular a vaned pump or measuring system. Background technique [0002] Such devices are well known to those skilled in the art and generally comprise a stator in the form of a hollow cylinder and a substantially cylindrical rotor mounted eccentrically in the interior region of said stator and in contact with the interior of the stator. The area is tangent. [0003] The stators of these devices are usually provided with a set of movable radial blades, preferably at least four movable radial blades, which are elastically held in contact with the inner wall of the stator to keep the liquid between the inlet and outlet send. [0004] Cavities are provided in the rotor for the purpose of sliding the vanes in said cavities between a retracted position and an operating position of said rotor. The vanes may be pressed stably against the stator by the action of a return spring and / or by the sol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C2/344F04C15/00
CPCF04C29/06F04C2270/13F01C21/0809F04C2/3442F04C2270/14F04C15/0049
Inventor F·C·比齐安
Owner TOKHEIM HLDG BV