The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 11, 2022

Filed:

May. 02, 2018
Applicant:

Husqvarna Ab, Huskvarna, SE;

Inventor:

Andreas Fogelberg, Söderköping, SE;

Assignee:

HUSQVARNA AB, Huskvarna, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/42 (2006.01); B01D 45/16 (2006.01); B01D 46/24 (2006.01); F16K 31/126 (2006.01); F16K 31/128 (2006.01); F16K 39/02 (2006.01); B01D 46/71 (2022.01); F16K 31/06 (2006.01); A47L 9/20 (2006.01);
U.S. Cl.
CPC ...
B01D 46/4272 (2013.01); A47L 9/20 (2013.01); B01D 45/16 (2013.01); B01D 46/2414 (2013.01); B01D 46/71 (2022.01); F16K 31/128 (2013.01); F16K 31/1266 (2013.01); F16K 39/022 (2013.01); B01D 2275/201 (2013.01); F16K 31/0624 (2013.01);
Abstract

This document discloses a valve comprising a main valve closure body, arranged on a low pressure side of the valve and moveable to open towards the low pressure side, a control body, fixedly connected to the main valve closure body, such that a position of the main valve closure body is fixed relative to a position of the control body, a control chamber, partially defined by the control body, whereby a volume of the control chamber is variable in relation to the position of the control body, and a control fluid connector for controlling a pressure in the control chamber. The document also discloses use of the valve in a separator for separating dust and debris from an airflow, a separator comprising such a valve and a method of operating a separator.


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