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Blower with side channel with several delivery channels distributed around the circumference

A technology of conveying channels and blowers, which is applied to the components of pumping devices for elastic fluids, mechanical equipment, machines/engines, etc. Effect

Active Publication Date: 2017-03-22
PIERBURG GMBH & CO KG NEUSS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the degrees of freedom in this respect are limited, and such adjustments are also associated with high cost tooling and development

Method used

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  • Blower with side channel with several delivery channels distributed around the circumference
  • Blower with side channel with several delivery channels distributed around the circumference
  • Blower with side channel with several delivery channels distributed around the circumference

Examples

Experimental program
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Embodiment Construction

[0017] The embodiment of the blower with side channels shown in the figure is a so-called double helix design, in which not only in the first but also in the second housing part, there are two conveying channels which follow each other in the circumferential direction, here Conveyor channels extending axially parallel to one another each have an outlet region, which merge into a common outlet. figure 1 The section in is chosen to extend through a delivery channel. exist figure 1 The blower with side channel shown in , consists of a housing 2 divided into two parts and an impeller 4 which is rotatably mounted in the housing 2 and which can be driven by a drive unit 3 , for example for conveying air. The air passes through the axial inlet 6 into the inlet region 8 of the first housing part 10 which in this embodiment serves as a cover for a blower with side channels. From the outlet area 8, the air then flows into two substantially arc-shaped delivery channels 12, 14, wherein ...

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PUM

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Abstract

The invention relates to a blower with side channels, in particular a secondary air pump for an internal combustion engine, comprising a multi-part housing with at least one inlet (6, 7) and at least one outlet (20, 21), and generally has a first and a second housing part (10, 16), wherein the inlets (6, 7) pass through at least one inlet area (8, 9), are designed to extend at least one arc itself at least in the first and / or the delivery channel (12, 14) in the second housing part (10, 16), and is fluidly connected to said outlet (20, 21) with each other via at least one outlet region (23, 25); The blower with side channel comprises an impeller (4), which is rotatably mounted in the housing (2) and can be driven by a drive unit (3), wherein the impeller (4) has conveying blades (22), which Conveyor vanes cooperate with opposite conveying channels; and also include at least one discontinuity (28, 30) between the inlet zone (8) and the outlet zone (23, 25), within the discontinuity (28, 30) At least one conveying channel ( 12 , 14 ) is cut in the circumferential direction, wherein at least one conveying channel ( 12 , 14 ) is provided with a circumferential angle of <300°.

Description

technical field [0001] The invention relates to a side channel blower, in particular a secondary air pump for an internal combustion engine, comprising a multi-part housing having at least one inlet and at least one outlet and generally a first and a second The housing part, wherein the inlet is fluidically connected to the outlet via at least one inlet area, via at least one delivery channel designed in an at least partially annular extension in the first and / or second housing part, and via at least one outlet area, Consists of an impeller, which is rotatably mounted in the housing and can be driven by a drive unit, wherein the impeller has conveying blades, which cooperate with the opposite conveying channel, and at least one between the inlet area and the outlet area A discontinuity in which at least one conveying channel is cut off in the circumferential direction. Background technique [0002] Such blowers or pumps with side channels are known and described in numerous...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D23/00
CPCF04D23/008F04D13/06F04D29/281
Inventor H.帕弗拉思
Owner PIERBURG GMBH & CO KG NEUSS
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