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Class 137/246.19 - Jacking


Subclass of Class 137 - Fluid handling
Definition: Valves wherein the lubrication pressure lifts the valve
No. of patents: 5
Last issue date: 04/10/2007


NumberTitleIssue Date
7201377Unitizing element and method for assembling a seal
An annular unitizing element comprising a rotor engaging member, a stator engaging member, and a rear member. The radially outer surface of the unitizing element comprises two areas of differing diameter, one corresponding to the rotor engaging member and the other ...
04/10/2007
7111821Control valve, in particular plug valve with sealing system
The present invention relates to a plug valve comprising a valve body and a shutter that can be actuated, in the form of a segment of a sphere provided with a mobile shaft in rotation and/or translation, said valve also comprising a double-barrier sealing system at ...
09/26/2006
7093820Over center high deflection pressure energizing low leakage seal
A low leakage seal for separating two environments and contacting a component surface is provided. The seal includes a base and an annular rib. The annular rib is coupled to and extends from the base. The annular rib includes at least one contact surface configured ...
08/22/2006
7063226Fuel tank with lid
A fuel tank with an opening, on which a lid is mounted in a removable manner by means of thread or bayonet, is intended to provide a sustained and sealed closure under all conditions. For this purpose, two sealing rings are arranged between the sealing surfaces, the...
06/20/2006
4619283Stem seal for tapered lubricated plug valves
A method of forming a stem seal and controlling the sealant film thickness in a lubricated plug valve in which a deformable ring is inverted in an annular space between the stem, the valve cover and the top of the plug and the ring is deformed into sealin...
10/28/1986
 
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