| Patent Number |
Title Of Patent |
Date Issued |
| 7219688 |
Fluid control valve |
May 22, 2007 |
| A fluid flow control valve includes a housing having a fluid inlet and a fluid outlet, which define a flowpath therebetween. Within the housing is a chamber located in the flowpath between the fluid inlet and the fluid outlet. A valve member is mounted within the chamber from movement |
| 7082962 |
Seal support system for maintaining barrier fluid pressure within a mechanical seal |
August 1, 2006 |
| An intelligent seal support management system includes a device for automatically compensating for increased heat or decreased heat in a vessel. |
| 6672591 |
Drive pins in a mechanical seal |
January 6, 2004 |
| A mechanical seal provides a sealing between a rotatable shaft and a housing. The seal has a stationary part for connection to the housing and a rotary part for rotation with the shaft. Mating sealing faces are carried by the stationary and rotary parts and the rotary parts are mount |
| 6428011 |
Mechanical seals |
August 6, 2002 |
| A mechanical shaft seal includes stationary and rotary assemblies providing mating seating faces 3, 11 such that first and second fluids are kept separate from each other. A barrier fluid system provides a third fluid between the first and second fluids and a flow inducer 13 promotes axi |
| 5927722 |
Mechanical seal |
July 27, 1999 |
| A cartridge seal having a sleeve for fitting over a pump shaft and, at one end region of the sleeve, a stationary seal whose floating component is biased towards its static component. The cartridge further includes a member longitudinally spaced from the seal, which member and the st |
| 5354070 |
Split mechanical seal |
October 11, 1994 |
| A split mechanical seal incorporating a spring retainer is disclosed. The mechanical seal of the present invention is constructed to prevent fluid leakages from equipment having a fixed cavity, containing the fluid, and a rotatable shaft. The spring retainer of the invention includes an |
| 5344164 |
Mechanical seals |
September 6, 1994 |
| The invention provides a cartridge-mounted mechanical seal in which a set of bellows acts against the rotary component to urge its face into mating contact with the stationary component face, and wherein the stationary component is mounted in the seal so as to allow it a degree of pivota |
| 5324048 |
Mechanical seals |
June 28, 1994 |
| The invention provides a sleeve for a cartridge-mounted mechanical seal, the sleeve being formed from two connected-together metallic components. The first component is made from a material having a relatively high chemical resistance, the second from a material having a relatively lower |
| 4509762 |
Stationary assembly for mechanical shaft seal |
April 9, 1985 |
| A stationary assembly for a balanced mechanical shaft seal comprises a first annular member for surrounding the shaft and attachable to the housing, a second annular member having a radial face for mating with a radial face of the rotary assembly, and third annular member between the |
