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:
Mar. 26, 2019
Filed:
Jun. 30, 2014
Danfoss A/s, Nordborg, DK;
Bjarke Skovgard Dam, Almind, DK;
Georg Fosel, Flensburg, DE;
Carsten Molhede Thomsen, Vejle, DK;
Jens Pawlik, Broager, DK;
Louis Sullivan, Indianapolis, IN (US);
Danfoss A/S, Nordborg, DK;
Abstract
An expansion valve () for a vapor compression system, the valve () comprising a first valve part () having an outlet orifice () and a piston () movable inside the outlet orifice () in response to a differential pressure across the expansion valve (), controlling a fluid flow through the valve (). The piston () comprises a stop element () at an outlet end () of the piston () and mechanical forcing means () to force the piston () towards a position in which the stop element () is brought into abutment with a valve seat () of the first valve part (). A differential pressure below a predefined threshold value causes the stop element () of the piston () to abut the valve seat () of the first valve part (), preventing fluid flow through the first valve part (), via the forward fluid passage.