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| Number | Title | Issue Date |
| 8276917 | Sealing device A sealing device in which oil (O) is supplied by ejection to a sealing device body (3). In the sealing device, an increase in friction of a seal lip (33) caused by the pressure of the oil (O) is prevented, and effective lubrication by the oil (O) is pr... | 10/02/2012 |
| 8220803 | Oil seal To improve durability of a seal lip (4) of an oil seal (1) in slidably contact with the peripheral surface of a shaft (23), a lubricating oil supply section (11) for collecting adhered oil and dropping it on the shaft (23) is provi... | 07/17/2012 |
| 8186689 | Sealing device for gear chamber In a gear chamber 10, a sealing member 21 is attached to a rotary shaft 12 of an electric motor 11, and a grease return part 21a is provided on this sealing member 21. Thus, grease raked by a helical gear 12... | 05/29/2012 |
| 7329065 | Coupling assembly and method for connecting and disconnecting a shaft assembly A coupling assembly that can be used to quickly connect and disconnect an impeller shaft to and from a drive output shaft. A portion of the coupling assembly can be used to secure the impeller shaft inside a mixing vessel so that the impeller shaft can remain secure... | 02/12/2008 |
| 7249932 | Shielding a bearing and seal assembly from undesirable matter A rotary pump includes an impeller mounted on a shaft (12) supported for rotation in bearings. A bearing and bearing casing assembly (26) proximate the impeller is prone to ingress of undesirable matter. A shield assembly (40) includes the shaft... | 07/31/2007 |
| 7134667 | Arrangement comprising a slinger associated with a shaft bearing and a gasket associated with a sealing gap A sealing arrangement for turbomachines with a shaft bearing, a throw-off ring and a shaft seal which is assigned to a sealing gap and has a seal housing wherein opposing faces of the throw-off ring and the seal housing form an annular gap for centrifuging out dirt ... | 11/14/2006 |
| 7121551 | Bushing arrangement for seal cavity protection in rotating fluid equipment An arrangement (120) of members for a throat bushing for rotary fluid equipment includes a first member (122) that is useful for seal cavities that contain conventional packing, and a second bushing member (132) that will be used in conjunction ... | 10/17/2006 |
| 7108266 | Fan cooled seal seat A seal assembly including a rotatable seal head subassembly also includes a fan that rotates with the seal head assembly, with the fan drawing air through a pump housing for purposes of cooling. ... | 09/19/2006 |
| 7086648 | Acoustic seal The invention relates to a sealing device having an acoustic resonator. The acoustic resonator is adapted to create acoustic waveforms to generate a sealing pressure barrier blocking fluid flow from a high pressure area to a lower pressure area. The sealing device p... | 08/08/2006 |
| 7066467 | Sealing device for water pump bearings A sealing device for a water pump bearing employs a seal member without an axial lip, and having only a radial lip. The sealing device includes an annular seal member which is fixed to a shoulder portion of one end in an axial direction of an outer race of a water p... | 06/27/2006 |
| 7055827 | 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 oil seal co... | 06/06/2006 |
| 6728989 | Labyrinth seal for bearing in brush mounting assembly for semiconductor wafer scrubber A wafer scrubbing unit includes a mounting assembly for a scrubber brush. The mounting assembly has a rotary flow through tube through which cleaning liquid is delivered to the brush. A stationary tube may be mounted in the bore of the rotary tube. Spinning shields ... | 05/04/2004 |
| 6712580 | Seal apparatus for a water pump, rotation-support apparatus for a water pump, and a water pump A structure of a water pump is provided without increasing the cost thereof, or without enlarging the size to improve the durability of the water pump. A seal apparatus having a seal ring 13 and a slinger 14 in combination to prevent foreign matter fro... | 03/30/2004 |
| 6702553 | Abradable material for clearance control A highly porous alumina material and a method for applying such material that is useful in the hot section of a jet aircraft engine. In order to manufacture the porous alumina, an aluminum-based metal/alumina material known in the art is first placed onto... | 03/09/2004 |
| 6698762 | Rotary device shaft with oil slinger groove A lubricant leakage stop is provided on the shaft of a rotary device in the form of an annular groove in the shaft. In one embodiment the annular groove is formed with an annular inner surface at the bottom of the groove and with an annular intermediate s... | 03/02/2004 |
| 6682076 | Combination seal ring encoder A combination seal ring with an encoder for use to close off the opening of the space between a fixed ring and a rotational ring and to detect a rotational speed of the rotational ring, comprising a seal ring secured to the fixed ring, a metal slinger sec... | 01/27/2004 |
| 6578850 | Dynamic seal for a drive shaft A dynamic seal for a drive shaft including a seal housing with at least one inlet for injecting a fluid, (i.e., a liquid or gas) into the seal. The seal also has an expeller device, such as an expeller ring mounted on the drive shaft, for expelling the in... | 06/17/2003 |
| 6485256 | Seal apparatus for a water pump, rotation-support apparatus for a water pump, and a water pump A seal apparatus is comprised of a seal ring 13 and a singer 14 in combination to prevent foreign matter from progressing into the rolling bearing 6a. The amount of compression δ of the second seal lip 23, which occurs when the tip edge of the second sea... | 11/26/2002 |
| 6467773 | Liquid seal A non-contacting seal which includes a stationary tooth that radially overlaps a tooth on a rotatable shaft, with the sealing action resulting from controlled clearance both radially between stationary tooth and the shaft, and axially between the stationa... | 10/22/2002 |
| 6343794 | Lubricant seal having partition plate with gutter for drive motor gears and the like A lubricant seal having no wearing surfaces is provided with a partition plate having a gutter portion and a slinger supported in a labyrinth cavity. This lubricant seal is particularly useful in larger seal applications where the wear of the rotating sha... | 02/05/2002 |
| 6330790 | Oil sump buffer seal A buffer seal arrangement is provided for improved buffer sealing of oil sump seals in gas turbine engines. The buffer seal arrangement includes a three section labyrinth seal. Disposed between the first and second section is a buffer air supply annulus f... | 12/18/2001 |
| 6328528 | Elastomeric pump impeller A water pump with a plurality of elastomeric blades on a rigid impeller is disclosed. The impeller has a tubular extension with a pair of flats on the outer diameter of the extension. The seal seat has a corresponding pair of flats on its inner diameter t... | 12/11/2001 |
| 6319132 | Motor vehicle torque transfer case with integral constant velocity (CV) joint A motor vehicle torque transfer case with integral constant velocity (CV) joint including a constant velocity (CV) bell, a chain sprocket, a speed sensor tone wheel, a chain sprocket splined to the chain sprocket spindle, two (2) support bearings, a singl... | 11/20/2001 |
| 6224322 | Seal assembly for centrifugal pumps with barrier ring In a centrifugal pump, a barrier ring in the form of a dynamic seal member is interposed between relatively rotating, generally circular wall portions which undergo relative axial movement to vary the width of a gap between the wall portions, the seal mem... | 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 |
| 6113106 | Gimballed mechanical face seal A mechanical face seal for use in a pump. The mechanical face seal including a seal head assembly, a seal seat assembly opposite and in contact with the seal head assembly. The seal head assembly including a gimbal ring engaging a first and second pair of... | 09/05/2000 |
| 6082494 | Fluid deflecting and straining system A device for deflecting a fluid flow comprises a casing having a circumferential wall defining a fluid passage, a rotating member disposed in the fluid passage for rotation about an axis substantially parallel to a flow of fluid within the fluid passage, ... | 07/04/2000 |
| 6017037 | Seal device A labyrinth seal device formed of a rotor and a stator connected together by an annular protrusion located within a recess. The rotor has a slinger located on the housing side of the rotor/stator interface. The stator has a plurality of alternating annula... | 01/25/2000 |
| 5979903 | Translucent slinger with centrifugal seal A slinger for use between a housing and a rotatable member passing therethrough includes an engaging member for mounting on the rotatable member, a slinger portion extending radially outward from the engaging portion, and a sealing portion generally axial... | 11/09/1999 |
| 5967526 | Fluid control system for rotating shaft or flywheel A fluid control system for a rotating shaft which provides a seal to limit fluid leakage from around the shaft and which vacuums away any fluid leaking past the provided seal. The fluid control system may be installed around a rotating shaft such as a fly... | 10/19/1999 |
| 5951020 | Bearing isolator The improved shaft seal assembly is disclosed to permit the use of vapor or a combination of a vaporized substance with a carrier on one side of the seal while preventing the movement of the vapor or the vaporized substance from the housing containing sai... | 09/14/1999 |
| 5893565 | Anti-leakage device In a machine in which a rotating shaft extends into a housing through a gland, the shaft being rotated in only one direction, the housing containing lubricant, the gland including an opening of substantial length with an annular radially inwardly extendin... | 04/13/1999 |
| 5865597 | Liquid pump for preventing contact between the sealing structure and pressurized liquid A pump incorporates a housing with a pump chamber and an internal bore communicating with the pump chamber, and a power driven impeller shaft supported in the housing by at least one bearing in the internal bore. The impeller shaft has an impeller in the ... | 02/02/1999 |
| 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 |
| 5718436 | Flow controller for mechanical seal protection A flow controller or seal protector is positioned in a seal cavity of rotary fluid equipment to protect the shaft and seal from the effects of abrasives and entrained air. The protector has an annular ring member that is secured to the shaft for rotation ... | 02/17/1998 |
| 5687973 | Dust seal for pinion bearing housing A seal is provided on a slinger for a pinion shaft in an axle housing. The seal provides sealing contact at a location between the bearing cage and the slinger. The slinger prevents relatively large dirt, stones, and debris particles from reaching an inne... | 11/18/1997 |
| 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 a radial seal engageable with the shaft and a facial axial... | 11/18/1997 |
| 5662462 | Sealing arrangement for a hydraulic motor and pump A hydraulic motor that provides an improved sealing configuration for sealing a shaft with respect to a housing of an internal gear motor or pump of the type commonly known as a gerotor. The hydraulic motor provides a housing having an output end and an i... | 09/02/1997 |
| 5653448 | Slinger seal Slinger seal assembly for sealing an annular space between two relatively rotatable members, i.e., an inner member, such as a rotatable shaft, and an outer member, such as a stationary housing. The slinger seal assembly shown and described includes a firs... | 08/05/1997 |
| 5636848 | Oil seal for a high speed rotating shaft An improved oil seal is provided for sealing passage of 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 oi... | 06/10/1997 |
