Cyclone Filter Device

• US 20150068169A1
• Filed: 09/12/2014
• Published: 03/12/2015
• Est. Priority Date: 09/12/2013
• Status: Active Grant

• Current Assignee: Mann+Hummel GmbH (Hummel Familien-Beteiligungsgesellschaft mbH + Co. KG)
• Original Assignee: MANN + Hummel GmbH (Hummel Familien-Beteiligungsgesellschaft mbH + Co. KG)
• Inventors: Schulz, Franziska, Winter, Manfred
• Granted Patent: US 9,539,533 B2
• Time in Patent Office: Days
• US Class Current: 55/337
• CPC Class Codes: A47L 9/1608 Cyclonic chamber constructions
• CPC Class Codes: B01D 45/12 by centrifugal forces centrifuges B04B; cyclones B04C
• CPC Class Codes: B01D 45/16 generated by the winding course of the gas stream , the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
• CPC Class Codes: B01D 46/0045 by using vanes
• CPC Class Codes: B01D 46/24 Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
• CPC Class Codes: B01D 46/2411 Filter cartridges
• CPC Class Codes: B01D 50/20 Combinations of devices covered by groups B01D45/00 and B01D46/00

Abstract

A filter device for cleaning a gas flow has a hollow cylindrical pre-separator on whose outer side guide vanes are arranged. At least a portion of the guide vanes is provided with a rib that protrudes over the guide vane surface.

Claims

1. A cyclone filter device for cleaning a gas flow, the cyclone filter device comprising:

an axially elongated cylindrical pre-separator having a hollow interior;

guide vanes secured onto a radially outer circumferential surface of the cylindrical pre-separator, the guide vanes projecting radially outwardly away from the radially outer circumferential surface of the cylindrical pre-separator;

wherein the guide vanes are spaced and distributed around circumference of the circumferential outer surface of the cylindrical pre-separator;

wherein at least a portion of the guide vanes are provided with a rib formed on a flow guiding surface of the guide vane, the rib extending at least approximately in a tangential direction to the flow guiding surface and projecting axially away from the guide vane, protruding over the flow guiding surface.

2. The filter device as set forth in claim 1, wherein

the rib extends in a straight line on the the flow guiding surface.

3. The filter device as set forth in claim 1, wherein

the guide vanes are arranged adjacent to a front side of the pre-separator.

4. The filter device as set forth in claim 1, wherein

for the portion of the ribs provided with ribs, the ribs are all arranged on the same axial side of each of the portion of guide vanes.

5. The filter device as set forth in claim 3, wherein

the ribs are arranged on the side of the guide vanes facing away from the adjacent front side.

6. The filter device as set forth in claim 1, wherein

wherein each guide vane is provided with the rib.

7. The filter device as set forth in claim 1, wherein

the ribs are arranged on the flow guiding surface of the guide vane spaced outwardly radially from the radially outer circumferential surface of the cylindrical pre-separator.

8. The filter device as set forth in claim 1, wherein

the ribs extend at least approximately over an entire length of the guide vanes.

9. The filter device as set forth in claim 1, wherein

the filter device includes a filter element having a circumferential outer face and an axial end;

wherein the pre-separator is arranged radially over extends circumferentially around at least a portion of the circumferential outer face of the filter element such that at least a portion of the filter element is received into the hollow interior of the cylindrical pre-separator.

10. The filter device as set forth in claim 2, wherein

the guide vanes are arranged adjacent to a front side of the pre-separator;

wherein for the portion of the ribs provided with ribs, the ribs are all arranged on the same axial side of each of the portion of guide vanes;

wherein the ribs are arranged on the side of the guide vanes facing away from the adjacent front side;

wherein the ribs are arranged on the flow guiding surface of the guide vane spaced outwardly radially from the radially outer circumferential surface of the cylindrical pre-separator;

11. The filter device as set forth in claim 10, wherein

the ribs extend at least approximately over an entire length of the guide vanes.

12. The filter device as set forth in claim 10, wherein

the filter device includes a filter element having a circumferential outer face and an axial end;

wherein the pre-separator is arranged radially over extends circumferentially around at least a portion of the circumferential outer face of the filter element such that at least a portion of the filter element is received into the hollow interior of the cylindrical pre-separator.