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:
Nov. 28, 2006
Filed:
Jan. 16, 2003
Göran Sundholm, Tuusula, FI;
Harry Metzger, Kerava, FI;
Göran Sundholm, Tuusula, FI;
Harry Metzger, Kerava, FI;
Marioff Corporation Oy, Vantaa, FI;
Abstract
A valve element (), comprising a frame (), at least one first inlet (), at least one second inlet () and at least one outlet (). The valve element consists of a combination comprising at least one burst disk () or equivalent, which, when unbroken, closes a passage from the second inlet () at least to the outlet (), and a piston element () comprising a piercing element () or the like for piercing the burst disk, said piston element being arranged to be movable between at least two positions when the burst disk has been pierced, in which first position the passage from the second inlet () to the outlet () is closed while in a second position the passage from the second inlet () to the outlet () is open, to which second position the piston element is moved after the pressure difference between the second inlet and the first inlet has reached a predetermined value.