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:
Apr. 24, 2001
Filed:
Apr. 19, 2000
Lars Arvidsson, Dalby, SE;
Nina Brunk, Uppsala, SE;
Jörgen Jönsson, Sjöbo, SE;
Malte Lennerstedt, Lund, SE;
Ingmar Malm, Hörby, SE;
Christian Merheim, Helsingborg, SE;
Elizabeta Naumovska, Göteborg, SE;
Joakim Ragnarsson, Växjö, SE;
Gambro Lundia AB, , SE;
Abstract
Valves are disclosed including a housing having at least one fluid inlet and at least one fluid outlet, a valve seat for at least one of the fluid inlets and fluid outlets, a diaphragm movable between a first position engaged with the valve seat and a second position disengaged from the valve seat, the diaphragm having a surface area which is greater than the size of the valve seat so that the surface area of the diaphragm is greater than the surface area necessary for abutment against the valve seat, an actuator for actuating the diaphragm between the first and second positions, and an activator for displacing the diaphragm whereby at least partially portions of the surface area of the diaphragm are exposed to the valve seat upon displacement of the diaphragm.