"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7878508 | Compact restictive seal for bearing housings This invention relates to a restrictive seal of the labyrinth type of reduced external size. The invention has an inner deflector which is capable of retaining the lubricating oil within the bearing housing with great efficiency, and a highly accurate system for adj... | 02/01/2011 |
| 7581734 | Peek coated seal surfaces A sealing apparatus is combined in a housing, such as a motor protector housing, having a hole extending therethrough. A shaft is movably disposed through the hole. A lip is disposed about the shaft and a ring is movably disposed about the shaft between the section ... | 09/01/2009 |
| 7344356 | Mechanical seal with bellows seating alignment A mechanical seal having a stationary ring and a rotating portion. The rotating portion includes a runner adjacent the stationary ring, an elastomer bellows adjacent the runner, a spring retainer plate and a spacer positioned between the elastomer bellows and the sp... | 03/18/2008 |
| 7311307 | Seal seat assembly with specialized features A seal seat assembly utilizes a positive mechanical drive between a seal seat and the bore of a pump component, which in turn is mounted to and driven by the shaft by means of a positive mechanical engagement therebetween. The grommet accommodates the positive mecha... | 12/25/2007 |
| 7275800 | Printing cartridge having IC device for interfacing with printing system A printing cartridge for a printing system is provided. The printing cartridge comprises a housing configured so as to be insertable within a printing system and an integrated circuit device positioned on the housing so as to interface with the printing system when ... | 10/02/2007 |
| 7258491 | Bearing seal assembly for agricultural applications A contaminant-resistant bearing assembly includes a multi-lip seal with an extended shroud supported from the outer ring and projecting adjacent a stepped inner ring shoulder. A steel slinger supported from the inner ring is offset outwardly adjacent the shroud and ... | 08/21/2007 |
| 7234923 | Scroll fluid machine having a dust seal fitted within annular groove and having ends overlapped in the wider portion of the annular groove In a scroll fluid machine, an orbiting scroll engages with a stationary scroll to form a sealed chamber in which fluid can be compressed toward a center with revolution of the orbiting scroll with respect to the stationary scroll. An annular groove is formed near th... | 06/26/2007 |
| 7204490 | Shaft-sealing device having an inner modular structure for combining with a rotary machine A shaft-sealing device includes a shaft tube, a retaining ring member, a rotary ring member, a resilient ring member and a sealing ring member. The shaft tube provides with an annular end flange and engaging notches thereon. The rotary ring member also provides with... | 04/17/2007 |
| 7188691 | Metal seal with impact-absorbing ring Disclosed is a seal assembly for dynamically sealing between rotatable members, such as employed to seal the rolling cone of a rock bit. One preferred assembly includes an energizer, first and second seal rings, and a cushioning ring having an L-shaped cross-section... | 03/13/2007 |
| 7182345 | Hydrodynamic brush seal A hybrid brush seal is provided having two bundles of axially spaced seal bristles each of which are mounted in a ring shape on a first machine component with bristle ends directed at a sealing surface of the second, rotating machine component. The bristle ends are ... | 02/27/2007 |
| 7090221 | Seal device A seal contact surface of a seal lip member and a protruding lip member of an end face seal are separated from each other and frictional heat generated at the seal lip member due to sliding motion is prevented from being transferred to the end face seal for softenin... | 08/15/2006 |
| 7014192 | Multistage shaft sealing apparatus A plurality of seal units are provided between a seal housing and a rotating shaft. An inside seal unit, an outside seal unit, and at least one pair of intermediate seal units are aligned in an axial direction. The inside seal unit contacts fluid to be sealed. The o... | 03/21/2006 |
| 6916022 | Shaft seal A sealing assembly for extending around a rotating shaft for preventing the transmission of fluids along the shaft, in which a sealing element is biased towards the rotary sealing part; and a pusher sleeve extends between the sealing element and a housing. ... | 07/12/2005 |
| 6905123 | Seals A gas seal for providing a seal between a pair of relatively rotatable components is provided with a stand-still seal which will seal between the components when the components are stationary, the stand-still seal having a sealing element mounted in sealing relation... | 06/14/2005 |
| 6902168 | Sliding element A primary objective of the present invention is to decrease the friction coefficient of the sliding face of a sliding element and to improve its seal performance. The sliding element disposes a plurality of elongate dimples in the outer circumferential region and th... | 06/07/2005 |
| 6840358 | Floating rod guide for monotube strut A motor vehicle strut and a rod guide assembly for the same. The strut includes a body, a rod slidable within the body, and a guide assembly. The guide assembly includes a housing assembly with a compliant member positioned adjacent a sleeve. An aperture is formed w... | 01/11/2005 |
| 6685191 | Mechanical seal for rotating shaft An improved mechanical seal for a pump includes a seal cartridge slidably received inside an end plate. The cartridge includes an outer cylindrical stator member which is slidably received in the end plate and an inner cylindrical rotor which is rotatable... | 02/03/2004 |
| 6629816 | Non-contacting clearance seal for high misalignment applications An improved oil seal is provided for sealing passage of a rotatable shaft through an end wall of a bearing housing in a turbomachine or the like, wherein the shaft is rotatably supported within the bearing housing by oil-lubricated bearings. The improved ... | 10/07/2003 |
| 6416057 | Brush seal A brush seal arrangement for sealing cooperation between a shaft and a surrounding member which is relatively rotatable with respect to the shaft. The brush seal includes an annular rotor disposed in surrounding relationship to the shaft and sealed with r... | 07/09/2002 |
| 6398223 | Mechanical face seal A mechanical face seal comprising two seal rings for use in water pumps and other fluids, including a resilient bellows for providing a secondary seal between one seal ring and either a housing or a rotating shaft extending through an aperture in the hous... | 06/04/2002 |
| 6325380 | Face seal assembly A face seal assembly comprises a pair of co-operating seal rings of which one is provided for mounting on a rotary component and the other on a stationary component. The seal rings have substantially radially aligned seal faces between which during operat... | 12/04/2001 |
| 6318526 | Compliant rod guide and seal assembly A compliant rod guide and seal assembly for use in a damper includes an annular outer casing having a through hole and a support ring received in the outer casing. The support ring has an outer radius that is less than the inner radius of the outer casing... | 11/20/2001 |
| 6299173 | Mechanical end face seal ring having a compliant seal face A mechanical end face seal includes one seal ring having two elements, a seal face extension portion immediately adjacent a sealing face and a seal ring body removed from the sealing face. Each of the ring elements has a radial outer diameter dimension an... | 10/09/2001 |
| 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 annular sealing lip, which extends axially from a root porti... | 08/14/2001 |
| 6247545 | Single energizer face seal for rocks bits with floating journal bearings The present invention is a self adjusting, volume balanced, single energizer rigid face seal for rolling cutter drill bits with floating journal bearings. Volume balancing is accomplished by utilizing a floating static seal between the rigid face seal rin... | 06/19/2001 |
| 6244599 | Floating brush seal A seal assembly which cooperates between relatively rotatable members for creating a sealing relationship between areas of high and low pressures. The assembly includes a face seal arrangement nonrotatably associated with one of the relatively rotatable m... | 06/12/2001 |
| 6224060 | Pump gas seal with particle exclusion device A gas seal construction for use on a pump to create a seal between a relatively rotatable pump shaft and housing. A flow barrier arrangement is disposed in close surrounding relationship to the shaft and cooperates with the surrounding housing axially bet... | 05/01/2001 |
| 6209879 | Sealing apparatus A sealing apparatus has a metal ring having a cylindrical portion and an inward flange portion bending from the open-air side end of the cylindrical portion radially inward; a first sealing member formed integral with the metal ring, and having a first ru... | 04/03/2001 |
| 6183369 | Sealing assembly for a cross member unit for universal joints A cross member unit for universal joints has a cross member (6) with four arms (17). Each opposing two arms (17) define a common longitudinal axis 7. A bearing bush (9) is provided per arm (17) which covers the arm (17). Rolling contact members (29), in t... | 02/06/2001 |
| 6149158 | Unitized oil seal with PTFE sealing disk split at radially outer edge and method of manufacture A unitized oil seal assembly (20, 220, 320,420) has a sealing disk (34, 234, 334, 434) fabricated of a single water of PTFE-based material that is split along its radially outer edge to define a pair of split sections, one of which (48, 248, 348, 438) is ... | 11/21/2000 |
| 6073933 | Load bearing washer and dirt excluder A washer and dirt excluder for use with a seal. The washer and dirt excluder includes a flexible ring where that ring is in contact with an outer flange. The washer and dirt excluder further includes a stopper member located at a center point of the flexi... | 06/13/2000 |
| 6027122 | Sealing assembly for a rolling element bearing A sealing assembly for a rolling element bearing includes first and second screens fixed respectively to first and second rings of the bearing, with each screen including a respective rigid reinforcement and a respective elastomeric covering. The first sc... | 02/22/2000 |
| 5997004 | Hybrid floating brush seal A hybrid floating brush seal (10) generally includes a brush (30) that encircles a rotating shaft (12). The brush (30) includes a bristle portion (32) that is carried by a holder (34). A self acting film device such as a spiral groove seal (52) is dispose... | 12/07/1999 |
| 5954177 | Oil seal for automatic transmission An oil seal member is compressed between a connecting pipe for supplying oil to an oil chamber of a hydraulic servo and the cylinder drum of the hydraulic servo. The cylinder drum has an interior oil chamber and turns through a predetermined angle upon op... | 09/21/1999 |
| 5899460 | Refrigeration compressor seal A refrigeration compressor seal for inhibiting the loss of refrigerant between a compressor shaft and a compressor housing. The seal includes a face seal comprising a seal nose and a mating ring positioned in opposing relation to the seal nose. The mating... | 05/04/1999 |
| 5826884 | Track joint sealing assembly for sealing a track joint having ceramic and elastomeric seal portions A track seal assembly adapted to seal a track joint includes a track link and a first ceramic seal member. The track seal further includes a first elastomeric member positioned between the track link and the first ceramic seal member. The track seal furth... | 10/27/1998 |
| 5823756 | Scroll fluid discharging apparatus In a scroll fluid discharging apparatus including a stationary scroll and a revolving scroll, each of the mutually engaging laps and of these scrolls and each has a first lap portion without a tip seal in contact with the mirror-finished opposed scroll su... | 10/20/1998 |
| 5816784 | Electromagnetic actuator mechanism for centrifugal pump An electromagnetic actuating mechanism is provided for a centrifugal pump in which a solenoid ring includes a radially inwardly projecting annular seal movable between open and closed positions with respect to a rotary seal which is mounted for rotation w... | 10/06/1998 |
| 5529315 | Tandem seal arrangement for mechanical face seals A three-part seal comprising an inboard, an intermediate and an outboard seal and defining two chambers, a mixing chamber between the inboard seal and the intermediate seal and a buffer chamber between the intermediate seal and the outboard seal, provides... | 06/25/1996 |
| 5326074 | Enhanced sealing arrangement for a rotary valve shaft A valve has an actuating shaft packing assembly for located in a valve enclosure cover for preventing leakage of process fluid into the space between the actuating shaft and the cylindrical sidewall of a bore in the cover. The assembly includes an annular... | 07/05/1994 |