Matches 1 - 50 out of 83 1 2 >
Match Document Document Title
7427071 Divided driver device for a slip ring seal  
A divided driver device ( 5 ) for a mechanical face seal for non-rotatable assembly on a rotary component and for the transmission of a torque to a seal ring ( 2 ) held in non-rotatable manner on...
6814355 Mechanical split seal  
A split seal component includes two seal face segments in two holder halves and a method of assembly and installation. Each seal face segment has a primary sealing surface and a section extending...
6773017 Single-piece seal assembly  
The invention is a single-piece seal assembly comprising an annular seal body. A retainer is positioned at a first end of the seal body. A rotable seal is concentric with the retainer and has a...
6761359 Spacing element for centering components in a mechanical seal and for promoting circulation of a seal fluid therein  
A mechanical seal for mounting to a stationary housing that contains a rotating shaft is provided. The mechanical seal employs an inboard mounted spacer element to provide axial and radial spacing...
6485024 Split mechanical face seal  
A split mechanical face seal having a rotating seal assembly comprising a rigid seal ring of split ring segments and a pair of attachable body ring segments holding the rotating seal ring segments...
6457720 Apparatus for applying a split mechanical seal to a rotatable shaft  
A shaft extending from a housing is rotatably sealed with the housing using a split seal assembly. During installation of the assembly, an alignment pin on one half of the assembly engages an...
6439577 Rotating seals for cell processing systems  
The invention provides an improved rotating seal apparatus including a plurality of concentrically spaced annular rotating seals. The invention also provides a rotating seal apparatus including a...
6343793 Dual channel rotary union  
A rotary union for use with an electroplating apparatus includes a shaft having a first surface area and an extended surface area, the first surface area having a first aperture therein, the...
6325381 High-pressure rotary seal  
A rotary seal adapted for placement on an associated rotating shaft to inhibit fluid flow between the shaft and an associated housing includes an annular main seal member having a peripheral...
6273428 Annular seal assembly, in particular for the drive shaft of a vehicle  
A seal assembly which includes first and second annular screens, mounted facing each other coaxially; the first screen carries a seal member made of an elastomeric material which includes a main...
6007069 Mechanical face seal  
A mechanical end face seal for sealing between a housing and a relatively rotating shaft which seal includes a pair of relatively rotating annular rings having seal faces in sealing contact with...
5947479 Mechanical seal with flexible metal diaphragm  
A mechanical end face seal for sealing between a housing and a relatively rotating shaft which includes a pair of relatively rotating annular rings having seal faces in sealing contact with each...
5893564 Mechanical face seal assembly  
A mechanical face seal assembly has a cylindrical retainer fixedly mounted between a rotating shaft and a stationary housing. The rotating shaft defines a longitudinal axis and a rotating sealing...
5865441 Emission seal  
The shaft seal assembly of cartridge designed for sealing shafts entering or exiting enclosed vessels. The enclosed vessels may have a pressure different from the atmospheric pressure and the seal...
5863047 Mechanical seal assembly  
A mechanical seal assembly having multiple compression spring assemblies that are used to bias a stationary seal into sealing engagement with a rotating seal, the springs in the spring assemblies...
5725220 Securing and centering devices for a split mechanical seal  
A centering mechanism for a split mechanical seal that circumferentially and uniformly separates a gland assembly having a pair of gland segments from a holder assembly having a pair of holder...
5716054 Diametric plane split mechanical face seal  
A shaft seal of the mechanical face seal type split along a diametric plane thereof and which therefore can be installed relative to a shaft without disassembly of attendant equipment. The...
5687972 Unitary oil seal assembly  
A unitary oil seal assembly intended for installation between relatively rotating inner and outer concentric members, such as, a shaft and housing of a motor vehicle is made up of a combination of...
5676382 Mechanical face seal assembly including a gasket  
An improved seal assembly utilizing a cup gasket having a flange portion secured or sandwiched between side surface of a mating ring and an inner surface of a radially extending side portion of an...
5662340 Fully split cartridge mechanical seal assembly  
The fully split cartridge mechanical seal assembly is comprised of two unitized self contained assemblies which fit together to form a unitized cartridge design. The assembly uses set screws to...
5505465 Mechanical seal stud torquing system  
An improved cartridge mounted mechanical seal for providing a seal between a housing and a rotatable shaft is provided, including at least one radial stud which extends from the inside of the...
5409240 Seal with self-lubricating contact surface  
A seal between a housing and a rotatable shaft is provided, comprising a first ring member generally concentric with a rotatable shaft, the first ring member being attachable to the shaft in a...
5199719 Sealing arrangement  
A sealing arrangement is provided and includes a slide ring seal, and a counter ring that is accommodated in a holder that is provided with a presser sleeve via which, in an installed state, the...
5123660 Extended life mechanical face seal assembly  
A rotary mechanical face seal utilizes a pair of cup-shaped inserts to closely support the contoured diaphragm of an elastomeric boot whereby the diaphragm does not actively undergo deflection to...
5094466 Water pump seal with improved seal force distribution  
A vehicle water pump seal has a specially designed gasket interposed between the retainer flange that the spring bears on and the sealing ring that transmits the spring force evenly in spite of...
5087172 Compressor cartridge seal method  
A high pressure compressor seal having an inner part and an outer part rotatable with respect to each other. The inner seal part includes a polygonal-shaped bore mounted on a polygonal-shaped...
4961260 Compressor cartridge seal and insertion method  
A high pressure compressor seal assembled onto a compressor shaft, together with compressor bundle elements. A stationary bundle vane is engaged with slots within the seal to prevent rotation of an...
4759553 Dynamic rotary face seal  
A seal element is positioned within an outer casing and has an anchoring portion which is sealingly secured to the periphery of a rotating shaft by a surrounding coil spring. A radial portion on...
4754981 Unitized face sealing device  
A unitized face sealing device comprising first and second annular face sealing rings which can rotate relatively to each other and which have interengaging sealing faces, said rings being located...
4669738 Internally installable package seal  
A package seal particularly suited to pumps or other applications having a drive shaft which terminates internally of a housing at its connection to the impeller or fluid working element. In such...
4639000 Automatic aligning cartridge mount seal  
A cartridge mount seal includes a unitary sleeve structure for telescopically receiving a seal ring adapter therein, the sleeve structure being sealed to a shaft and to the seal ring adapter....
4596394 Cartridge seal  
A cartridge seal has concentric outer and inner rings which snap together relatively rotatably to form the cartridge. Each ring has a generally L-shaped, inner axial profile with generally axial...
4585236 Double jointed coolant seal  
A circular coolant seal has a base flange arranged in a base plane perpendicular to the seal axis. A flexible resilient sealing flange is integrally joined at one edge to the base flange and...
4502694 Axial shaft sealing unit with improved housing  
A slide ring seal intended for the sealing of a rotating machine component. The seal comprises an annular housing in which are accommodated a slide ring, a bellows-like secondary seal, and a...
4502697 Compact integrated face seal unit  
A sealing arrangement for a machine having a shaft. The arrangement includes a hub constructed to be seated on the shaft, an impeller wheel connected to the hub, a counter-ring disposed axially of...
4451049 Face seal  
A face seal cartridge assembly of predetermined working height tolerance for sealing a rotatable shaft in a fluid filled housing, wherein the face seal assembly comprises connected stator and rotor...
4443015 Cartridge type rotary shaft seal with bearings and bellows  
A cartridge type assembly is provided for use in conjunction with a housing wall having an opening thereof through which a rotary shaft projects. The assembly includes an inner bearing race...
4386781 Annular fluid face seal with diaphragm  
A face-seal arrangement for effecting a fluid seal between a housing and a shaft rotatable therein and comprising a sleeve-like diaphragm interposed between an annular shell and a sealing member...
4377290 Symmetrical seal package for multiple face seals  
A symmetrical package seal containing two balanced end face seals, the stationary components being adapted for use with shafts of different sizes. In addition, the package seal has means for...
4337628 Universal joint with unitary face seal and retainer assembly  
A universal joint includes a unitary face seal and retainer assembly which provides a face seal for retaining lubricant and excluding contamination. The assembly determines the limits of relative...
4253638 Blowout preventer  
A blowout preventer having a body and bonnets hinged thereto with throw latches for securing the bonnets to the body, wedges between the body and the hinges for adjusting the tilt of the bonnet and...
4216972 Unitized face type seal  
A primary face type seal is maintained in face to face engagement by secondary elastomer seals. A multi-part retainer encircles the primary and secondary seals to provide a unitizing housing for...
4136885 Axial shaft sealing unit for sealing a stationary machine part relative to a rotatable machine part  
An axial shaft sealing unit for sealing a stationary machine part relative to a rotatable machine part. The sealing unit includes a slide ring seal mounted on the stationary machine part in a...
4136887 Bellows type mechanical seal  
A mechanical seal assembly associated with a rotatable shaft means and comprising a pair of seal rings, one stationary and one rotatable with the shaft means, the seal rings having generally...
4095807 Slide ring seal  
A slide ring seal for arrangement between relatively rotating machine components has a counter ring which at one end face is stationarily and sealingly attached to a machine component by means of a...
4094513 Fully cartridge agitator seal for use with glass lined mixer tanks  
A mechanical seal and rotating agitator shaft assembly for effecting sealing between the shaft and the wall of the opening through which it extends into a mixer tank includes a sleeve dimensioned...
3988026 Self-compensating rotary seal member  
The present invention relates to a self-compensating rotary seal member such as is used in low pressure applications, i.e. where a drive shaft extends through a container wall. The seal member is...
3941395 Cooled seal cartridge  
A mechanical seal cartridge applicable for a pump-motor combination which cartridge has a stub shaft adapted to be connected at one end to the motor shaft and at the other end to the pump shaft and...
3941394 No-leak double rotary mechanical seal  
A substantially no-leak rotary end face seal is disclosed. The seal is comprised of a pair of spaced primary sealing rings between which a rotating mating ring is disposed. A groove in the inboard...
3938812 Devices for making fluid-tight joints between two relatively rotating parts  
A gland for making a fluid tight seal between a casing and a sleeve which were rotatable with respect to each other is disclosed. The gland comprises a rubbing ring mounted in a casing, a floating...
Matches 1 - 50 out of 83 1 2 >