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Oscillating piston pumps for metering coating media

A swinging piston pump and swinging piston technology, applied in the direction of piston pumps, pumps, pump components, etc., can solve the problems of pulsation, strong delivery flow of swinging piston pumps, etc.

Active Publication Date: 2016-01-20
DUERR SYST GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] A disadvantage of the known oscillating piston pump is the fact that the delivery flow of the oscillating piston pump is strongly pulsating, which is undesirable in coating plants when metering coating media such as lacquer

Method used

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  • Oscillating piston pumps for metering coating media
  • Oscillating piston pumps for metering coating media
  • Oscillating piston pumps for metering coating media

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0081] The figures show an inventive oscillating piston pump 1 which can be used in painting installations in order to meter the paint to be applied as required.

[0082] The oscillating piston pump 1 thus has a paint outlet 2 which is connected to a sprayer 3, wherein the sprayer 3 and the line guide between the paint outlet 2 and the sprayer 3 are here It is only shown schematically.

[0083] Furthermore, the oscillating piston pump 1 has a paint inlet 4 , to which a paint medium feed line 5 is connected in order to feed paint to be metered.

[0084] The oscillating piston pump 1 has a total of three pump units 6 , 7 , 8 which each have a cylinder and a oscillating piston guided in the cylinder, wherein the design and function of the individual pump units 6 - 8 are largely routine and will be referred to later in the attached Figures 12A-12D Detailed Description.

[0085] The pump units 6 - 8 are connected in parallel on the inlet side and the outlet side, so that the pu...

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PUM

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Abstract

Exemplary illustrations directed to a rotary piston pump, e.g., for metering a coating agent in a coating installation, as well as exemplary methods of using the same, are disclosed. An exemplary piston pump may comprise a plurality of pump units, each having one cylinder and one rotary piston which carries out a wobbling or tumbling movement in the cylinder.

Description

technical field [0001] The invention relates to an oscillating piston pump for metering a coating medium in a coating plant. Background technique [0002] Such an oscillating piston pump is known, for example, from EP1348487A1. In this case, an essentially cylindrical pivoting piston executes a pivoting movement in the cylinder, which consists of an oscillating stroke movement and a superimposed rotational movement. The rotary movement of the pivoting piston here serves to open or close the inlet or the opposite outlet in the cylinder, while the oscillating stroke movement fills the cylinder with coating medium and sprays it out of the cylinder. The pivot piston is here driven by the rotating drive shaft via a converter gear, wherein the converter gear converts a purely rotary motion of the drive shaft into a pivot motion. [0003] A disadvantage of the known oscillating piston pumps is the fact that the delivery flow of these oscillating piston pumps is strongly pulsating...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B7/06F04B9/04F04B11/00F04B13/00F04B15/02B05B9/04F04B23/06
CPCB05B3/10B05B7/00B05B9/0403F04B7/06F04B9/047F04B11/005F04B13/00F04B15/02F04B23/06
Inventor F·赫勒R·梅尔彻M·米歇尔菲尔德S·索茨尼
Owner DUERR SYST GMBH