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.
Patent No.:
Date of Patent:
May. 16, 2017
Filed:
Oct. 18, 2012
Kaeser Kompressoren SE, Coburg, DE;
Andreas Foerster, Doerfles-Esbach, DE;
KAESER KOMPRESSOREN SE, Coburg, DE;
Abstract
A gas inlet valve () for a compressor (), comprising: a housing (); a valve device () arranged between a gas inlet portion () and a gas outlet portion (), a valve body () resting against a valve seat () in a sealing manner when the valve device () is in a closed operating state, and the valve body () being lifted from the valve seat () when the valve device () is in an open operating state; a piston device () which comprises a first piston portion () and a second piston portion () which is different from the first piston portion (), the first piston portion () being displaceably guided in a first cylinder portion () of the housing () and the second piston portion () being displaceably guided in a second cylinder portion () of the housing () which is different from the first cylinder portion (); and a piston rod () which is displaceably mounted in the housing () and mechanically couples the valve body () of the valve device () to the piston rod (), a fluid line () putting a first cylinder chamber () of the first cylinder portion () in operative fluid communication with the gas outlet portion (), it being possible to apply a control pressure to a second cylinder chamber () of the second cylinder portion () in order to lift the valve body () from the valve seat (). A rotary compressor comprising a gas inlet valve () of this type and a method for operating a compressor (), in particular a rotary compressor, comprising a gas inlet valve () of this type.