Patent · US Active

Valve apparatus with a weight control system

US10183575B2 · kind B2 · utility

1Cited by

4References

11Claims

0Family size

Assignee

Plastic Omnium Advanced Innovation and Research · BE

Inventors

Dominique Madoux · Rumes, BE
Jules-Joseph Van Schaftingen · Brussels, BE

Key dates

Filing date	Dec 19, 2016
Grant date	Jan 22, 2019
Priority date	—
Expiry date	Dec 19, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/0874
WIPO fieldTransport
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.