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. 08, 2019
Filed:
Feb. 08, 2016
Danfoss A/s, Nordborg, DK;
Sveinn Porarinsson, Reykjavik, IS;
DANFOSS A/S, Nordborg, DK;
Abstract
A hydraulic devicecomprises a first membermovable relative to a second member. In such a device the risk of cavitation noise and cavitation damage should be minimized. To this end said first memberhaving a pressure chamberopening in a faceof said first memberwhich faceis in contact with a contact faceof said second member, said second memberhaving a low pressure area, wherein a throttling flow path is provided in a grooveconnecting said pressure chamberand said low pressure areawhen pressure chamberis approaching said low pressure area, characterized in that a throttling resistance of said grooveincreases in a direction of the flow through said groove