Back to results
US 2008/0073610 A1Published application
Stopcock valve
OwnerCasey Manning, Philip Houle +1inventors
InventorsCasey Manning, Philip Houle, William Larkins
Life of this patent
Estimating the term…
Abstract
A stopcock control valve including a valve seat member defining a hollow area, the valve seat member having an aperture and a rigid member having an outer circumferential surface. The outer circumferential surface having a tangential groove defined thereon, the groove tapering, the tapering including sections of varying volume from a large volume to a small volume, wherein the rigid member rotatably fits within the hollow area of the valve seat member.
Claims18
A stopcock control valve comprising:
- a valve seat member defining a hollow area, said valve seat member having an aperture;
- a rigid member having an outer circumferential surface, wherein said outer circumferential surface having a tangential groove defined thereon, said groove tapering at one edge, said tapering comprising sections of varying cross sectional, wherein said rigid member rotatably fits within said hollow area of said valve seat member.
A stopcock control valve comprising:
- a valve seat member defining a hollow area, said valve seat member having an aperture;
- a rigid member having an outer circumferential surface, wherein said outer circumferential surface having a tangential groove defined thereon, said groove tapering at one edge, said tapering comprising sections of varying cross section, wherein said rigid member rotatably fits within said hollow area of said valve seat member;
- and
- at least one seal means to seal a space between said valve seat member and said rigid member.
1 more element
A stopcock control valve system comprising:
- a valve seat member defining a hollow area, said valve seat member having an aperture;
- a rigid member having an outer circumferential surface, wherein said outer circumferential surface having a tangential groove defined thereon, said groove tapering at one edge, said tapering comprising sections of varying cross sections, wherein said rigid member rotatably fits within said hollow area of said valve seat member;
- at least one seal means to seal a space between said valve seat member and said rigid member;
- and
- a motor operatively connected to said rigid member for rotating said rigid member with respect to said valve seat member.
2 more elements
Dependencies are inferred from the claim text.