Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7392988 | Rotary seal A rotary seal housing having opposing ends, a first fluid conducting slot at one of the opposing ends, a pair of spaced apart fluid conducting slots at the other opposing end, and sets of apertures connecting the first fluid conducting slot with the pair of fluid co... | 07/01/2008 |
| 7296801 | Anti-leakage device for lubrication oil in a fan An anti leakage device of lubrication oil for a fan includes a hub seat, a sleeve and a hub. The sleeve is provided on the hub seat and has a bearing therein to form an oil storage part for receiving lubrication oil. The hub is provided on the hub seat and has an an... | 11/20/2007 |
| 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 |
| 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 |
| 6739829 | Self-compensating clearance seal for centrifugal pumps A seal for use in a centrifugal pump of the type used for pumping an abrasive slurry, and having a sealing ring groove formed in the pump casing and an arrangement for supplying flushing water, comprising a radial seal having a sealing end, a water receiving end, an... | 05/25/2004 |
| 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 |
| 6568688 | Hydraulic seal arrangement, more particularly on a gas turbine This invention relates to a hydraulic seal arrangement between two, more particularly co-rotating shafts of especially a gas turbine engine, where the radially outer shaft when viewed with reference to the shafts' axis of rotation has an annulus extending... | 05/27/2003 |
| 6428013 | Reverse seal An improved dual lip radial shaft seal is disclosed. The free end of the dual lip seal extends toward the air side of the seal. Optionally, the dual lip seal has an oil side excluder lip seal, an air side dust excluder lip seal, an elastomeric static seal... | 08/06/2002 |
| 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 |
| 6264447 | Air-cooled shaft seal An air-cooled shaft seal comprises an annular body having an inner surface and an outer surface. One or more helical channels are formed on the inner surface. A plurality of external surfaces such as radial fins are disposed in axially spaced relationship... | 07/24/2001 |
| 6224354 | Leakage storage means for a submersible machine The invention concerns a device for a submersible machine, such as a pump, a turbine or a mixer. The machine includes a driving unit (1) and a hydraulic unit (2) having an impeller connected to the driving unit via a rotary shaft (3). In order to prevent ... | 05/01/2001 |
| 6182971 | Gas seal for pumps A gas seal construction for use on a pump to create a seal between the relatively rotatable pump shaft and housing. A shroud structure is disposed in close surrounding relationship to the shaft axially between the seal and the pump chamber for causing sol... | 02/06/2001 |
| 6179594 | Air-cooled shaft seal An air-cooled shaft seal comprises an annular body having an inner surface and an outer surface. One or more helical channels are formed on the inner surface. A plurality of external surfaces such as radial fins are disposed in axially spaced relationship... | 01/30/2001 |
| 6065755 | Seal device A two-piece interlocked labyrinth seal device for providing a seal between a housing and a shaft formed of two ring members connected to each other by outwardly deforming a connecting portion of the radially inwardly positioned member. The inwardly positi... | 05/23/2000 |
| 6044616 | Method of operating machines with rotating units and machine with a rotating unit, in particular a packaging machine with a (folding) turret Method of operating machines with rotating units and machine with a rotating unit, in particular a packaging machine with a (folding) turret. Rotating units, in particular folding turrets (10) of packaging machines, must be supplied with oil as a lubrican... | 04/04/2000 |
| 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 |
| 5431414 | Seal device A system for providing a seal between a housing and a shaft is formed of at least two ring members connected to each other by relative diametrical expansion with reduced or eliminated axial resilient deformation. The ring members may be held together by a... | 07/11/1995 |
| 5301957 | Expanding circumferential seal with upper-cooled runner A circumferential seal arrangement has one or more expanding carbon rings and a rotating runner concentric to and radially outside of the carbon rings. Cooling oil is injected directly onto the outer circumferential surface of the runner and also in the d... | 04/12/1994 |
| 5228700 | Contactless seal A contactless seal for sealing a fixed machine part with respect to a machine part rotating with respect thereto, is comprised of a centrifuge ring arranged on the rotatable part, the centrifuge ring forming an annular gap with a fixed part of the seal. I... | 07/20/1993 |
| 5226787 | Coolant pump for an internal combustion engine A water pump has a bowl like body and a seal across the rim of the body. Coolant leakage through the seal is used to wet the rubbing faces of the seal. Superfluous leakage is collected in the bowl so that it may be evaporated by engine heat.... | 07/13/1993 |
| 5211406 | Sealing-modular construction The invention concerns a sealing arrangement in modular construction. In order to make the sealing arrangement (1) capable of fording, there is an internal sealing set (5) consisting of a radial shaft sealing ring (6) having two spring-loaded sealing lips... | 05/18/1993 |
| 5090711 | Seal assemblies for internal mixers A seal assembly for the rotor shafts of internal mixers and the like used in the compounding of rubber and plastic. The assembly (130,170) comprises seal rotor means (130,170) carried by said rotor shaft outside of the mixing chamber of said mixer and hav... | 02/25/1992 |
| 5074567 | Modified one piece labyrinth seal A unitary structure comprising a mechanical seal for rotating shafts consisting of a single ring member. The ring member has at one end a series of radial grooves in the internal bore and a trough extending across the grooves to an end of the ring. The ri... | 12/24/1991 |
| 5056800 | Seal assembly for internal mixers A seal assembly for the rotor shafts of internal mixers and the like used in the compounding of rubber and plastic. The assembly (20, 100) comprises seal rotor (21) carried by the rotor shafts (15, 16) outside of the mixing chamber (14) of the mixer (10) ... | 10/15/1991 |
| 5038631 | Lubricant restricting device A device for restricting the flow of lubricant from a locomotive traction motor gear case and along an armature drive shaft of the traction motor and into the drive shaft's bearing mounting assembly, portions of which extend into the gear case. The device... | 08/13/1991 |
| 5035155 | Device for preventing contamination of transmission fluid Automotive engine leaking from a crankcase seal in a gear train housing can be collected and returned to the crankcase oil pan before it contaminates the transmission fluid by means of a device which serves to collect the leaked oil in a reservoir which i... | 07/30/1991 |
| 4992690 | Combination motor endshield and pump housing An electric motor for use with a pump has a stator assembly and a rotor assembly. The rotor assembly includes a rotatable shaft and a rotor affixed to and rotatable with the shaft. The stator and rotor assemblies are intended for installation in an applia... | 02/12/1991 |
| 4992023 | Vehicle water pump with improved slinger A slinger ring for a vehicle water pump shaft is given a scalloped outer lip, which causes the lip to undulate back and forth past vent holes in the bearing race as the pump shaft rotates. This provides a continual vent hole cleaning and scraping action.... | 02/12/1991 |
| 4706968 | Sealing rings with complimentary ring members A mechanical seal for rotating shafts having a first, second and third ring member. The first ring member has a series of annular axial grooves in the internal bore and a slot extending across the grooves to an end of the first ring. The second ring membe... | 11/17/1987 |
| 4689511 | Drain assembly for an electric motor An improved drain structure for a vertically mounted electric motor to be positioned below a liquid sump into which the rotor shaft of the motor can be connected including a drip pan through which the rotor shaft passes, the pan having peripheral side wal... | 08/25/1987 |
| 4667967 | Shaft sealing system with lip and labyrinth seals A shaft seal assembly adapted for installation on and concentrically with a rotary shaft for sealing off a chamber laden with a gas/liquid mixture from a space situated externally of the chamber. The assembly has a chamber side and an air side and further... | 05/26/1987 |
| 4570947 | Gas sealing and fluid scavenge apparatus A hydraulic seal and an oil scavenge system are combined, and oil pumping gears and other associated equipment thus obviated. The hydraulic seal 32 comprises an oil reservoir holding centrifuged oil, and an annular fin 22, the periphery of which dips in t... | 02/18/1986 |
| 4494761 | Lubricating oil seal device for rotating shaft bearings This invention relates to a lubricating oil seal device for a rotating shaft support bearing, which is arranged to prevent the emergence of said oil from a collection chamber disposed at one end of the bearing, by means of a stream of air created in an an... | 01/22/1985 |
| 4471862 | Sealing structure in air compressor An air compressor has a front side block through which extends a rotor shaft, and a front head is attached to the front side block and has a cylindrical portion spaced from the rotor shaft. A sealing device is interposed between the inner periphery of the... | 09/18/1984 |
| 4422516 | Axle housing leak oil discharging device A device for use with a wheel axle shaft and housing for preventing oil that leaks from within the axle housing from escaping along the axle shaft to a brake device, comprises an oil passage along the axle shaft to discharge the leaked oil from the axle s... | 12/27/1983 |
| 4396197 | Oil seal device for high-speed rotary machine One end of a casing in which a rotating shaft is supported by a floating metal bush is extended to surround the outer periphery of an oil thrower formed adjacent to an end of the shaft so that an oil-thrower space is defined by the shaft, the oil thrower,... | 08/02/1983 |
| 4389052 | Oil seal system for shaft of turbocharger An oil seal system for the shaft of a turbocharger has an oil-trapping chamber formed by an oil thrower, thrust metal, and seals arranged so as to prevent the leakage of the lubricant into the blower.... | 06/21/1983 |
| 4386780 | Apparatus for cleaning liquids in centrifugal pumps or the like An apparatus which removes contaminants from the liquid in a centrifugal pump has a housing connected with the pump shaft and having a cleaning chamber connected with a first space containing contaminated liquid and a second chamber connected with a secon... | 06/07/1983 |
| 4384387 | Conveyor trolley assembly with moisture-resistant bearing seal A conveyor trolley assembly consisting of a trolley bracket having an axle carrying a hub, and an annular wheel carried on a bearing interposed between the hub and the wheel, is provided with a four-part, moisture resistant seal for the side of the bearin... | 05/24/1983 |
| 4314705 | Oil seal device Disclosed is an oil seal device using oil seal rings and a centrifugal oil thrower and having a construction such that the oil seal rings are provided on each side of the oil thrower to minimize the amount of oil that leaks to the oil thrower.... | 02/09/1982 |
