Title:
CONTROL DEVICE FOR THE THROUGHPUT IN A CONDUIT PORTION OR SIMILAR
Document Type and Number:
WIPO Patent Application WO2003048615
Kind Code:
A8
Abstract:
The present invention relates to a control device for the throughput in a conduit portion, comprising a valve or a flap composed of a body mounted on a rotary support shaft and being displaceable between a position of maximum closure and a position of minimum closure by pivoting about said shaft. Device characterised in that at least one shape or structure (4, 4') which is at least partially obstructive, projecting into the internal passage of said conduit portion (1) and locally reducing the passage section thereof, is present in the region of the internal face of the wall (1) of said conduit portion (1) and comprises at least one cooperating surface zone (5) which intimately mates with the shape of at least one part of the imaginary surface swept by at least one segment of the external peripheral edge (6) of the body (2) of the valve or flap when pivoted.
Inventors:
ALVES ANTHONY (FR)
Application Number:
PCT/EP2002/013737
Publication Date:
December 24, 2003
Filing Date:
December 04, 2002
Export Citation:
Assignee:
MARK IV SYS MOTEURS SA (FR)
ALVES ANTHONY (FR)
ALVES ANTHONY (FR)
International Classes:
F16K1/22; F16K1/52; F16K27/02; (IPC1-7): F16K1/22; F16K27/02
Download PDF:
Previous Patent: CONTINUOUSLY VARIABLE TRANSMISSION AND METHOD OF CONTROLLING IT
Next Patent: EXPANDABLE PLUG AND METHOD OF MANUFACTURE
Next Patent: EXPANDABLE PLUG AND METHOD OF MANUFACTURE