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:
Jan. 22, 2019
Filed:
Dec. 19, 2016
Plastic Omnium Advanced Innovation and Research, Brussels, BE;
Dominique Madoux, Rumes, BE;
Jules-Joseph Van Schaftingen, Wavre, BE;
Plastic Omnium Advanced Innovation and Research, Brussels, BE;
Abstract
A valve apparatus for use in a liquid tank, the valve apparatus including a casing defining a main chamber, the main chamber having at least one inlet orifice and at least one outlet orifice; a float including a closure element, the float being movable inside the main chamber between a first position and a second position in which the at least one outlet orifice is closed off by the closure element; a weight control system configured for controlling the weight of the float by transferring a load in and out from the float, such that the weight of the float in the second position is lower than the weight of the float in the first position.