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. 07, 2008
Filed:
Sep. 04, 2004
Applicants:
Peter Gravesen, Nordborg, DK;
Martin Manscher, Valby, DK;
Per Brandt Rasmussen, Augustenborg, DK;
Inventors:
Assignee:
Danfoss A/S, Nordborg, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 55/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to apparatus for delivering a controlled or restricted flow of liquid and limiting bubble fragmentation at the inlet. This is achieved in flow restrictor with a flow channel having over most of its length a substantially constant, minimum hydraulic diameter D=4A/W wherein A is the minimum local cross-sectional area of the channel and W is the minimum local wetting perimeter of the channel, by smoothly widening the channel at its inlet such that: