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:
Oct. 19, 2010
Filed:
Sep. 28, 2004
Richard Thomas Entwistle, Sydals, DK;
Erik Haugaard, Graasten, DK;
Richard Thomas Entwistle, Sydals, DK;
Erik Haugaard, Graasten, DK;
Danfoss A/S, Nordborg, DK;
Abstract
The invention concerns a valve arrangement () with a housing (), an inlet connection () and an outlet connection (), which are connected with each other via a flow path, in which is located a dosing device (), which has a valve seat () and a valve element () interacting with the valve seat (), the valve element () being loaded in the direction of the valve seat () by a resetting device () and being acted upon on the side facing the valve seat () by a pressure in a first pressure chamber (), said pressure corresponding to the pressure in the inlet connection (), when the dosing device () is dosed, and on the side facing away from the valve seat () by the pressure in a second pressure chamber (), which is connected with the outlet connection () via a channel arrangement (), in which is located at least one auxiliary valve (), and with the first pressure chamber () via a throttle (). It is endeavoured to reliably ensure that the closing device () opens. For this purpose, it is provided that the channel arrangement () ends in a suction nozzle arrangement (), which is located in the flow path.