Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 8146922 | Shaft isolation seal A seal assembly is for a compressor including a casing having first and second chambers and a shaft extending through the casing between the two chambers. The seal assembly includes a main body disposed about the shaft and between the two chambers and having a centr... | 04/03/2012 |
| 8056902 | Isolator seal An isolator seal includes a stator member for placement into the stator of rotating equipment and a rotor member for placement onto a rotary shaft of the rotating equipment. The stator member and the rotor member provide respective adjacent surfaces, while a static ... | 11/15/2011 |
| 7748715 | Bearing seal A bearing seal includes a radially split stator and a rotor. The rotor is enclosed within the stator along the internal length of the rotor. The rotor may, optionally, also be radially split. ... | 07/06/2010 |
| 7461846 | Bearing isolator with porous seal A bearing isolator assembly for sealing a rotating shaft with a porous sealing element including a rotor configured to sealingly engage with a shaft, and a stator configured to sealingly engage with a housing of an assembly. The rotor and stator are configured to en... | 12/09/2008 |
| 7427070 | Unitizing element and method for assembling a seal An annular unitizing element has a rotor engaging member, a stator engaging member, and a rear member. The radially outer surface of the unitizing element has two areas of differing diameter, one corresponding to the rotor engaging member and the other corresponding... | 09/23/2008 |
| 7338049 | Self-cooling ferrfluid seal A self-cooling ferrofluid seal includes a housing having a housing case and an external pole piece integrally connected to the housing case where the housing case has a plurality of heat dissipating surfaces, a magnetic circuit within the housing formed in conjuncti... | 03/04/2008 |
| 7314218 | Externally mountable spiral adaptor An adaptor that can be used with rotary fluid equipment will protect mechanical seals and/or packing material adjacent a seal cavity (18) of the equipment. The adaptor includes an annular body (30) with a central bore (32) adapted to receive a s... | 01/01/2008 |
| 7226053 | Shaft seal mechanism, shaft seal mechanism assembling structure and large size fluid machine A shaft seal mechanism (leaf seal) by which a desired seal performance can be stably obtained is provided. The shaft seal mechanism comprises a concave groove 71 formed larger than a minimum size of a plate width of thin plates 29 and a fitting piece | 06/05/2007 |
| 7201379 | Seal assembly, cartridge, and method A seal assembly and cartridge for sealing a space between a rotating member and a stationary member in which a sleeve extends around the rotating member and with the inner surface of the sleeve being spaced from the outer surface of the rotating member to form a gap... | 04/10/2007 |
| 7201377 | Unitizing element and method for assembling a seal An annular unitizing element comprising a rotor engaging member, a stator engaging member, and a rear member. The radially outer surface of the unitizing element comprises two areas of differing diameter, one corresponding to the rotor engaging member and the other ... | 04/10/2007 |
| 7188840 | Magnetic fluidic seal with improved pressure capacity A magnetic assembly for a multistage magnetic fluid rotary seal has a shaft, an annular permanent magnet, at least one pole piece and a radial gap formed between the shaft and the pole piece. The shaft and the pole piece have a plurality of trapezoidal-shaped ridges... | 03/13/2007 |
| 7186074 | Axial flow stream turbines A drum-type rotor carries an annular row of moving blades having root portions held within a slot in the periphery of the rotor. A turbine casing surrounds the rotor and carries a static blade assembly with an annular row of static blades which, together with the an... | 03/06/2007 |
| 7178807 | Shaft mounted seal device and method for a scraped surface heat exchanger A scraped surface heat exchanger includes a seal assembly between a rotating tube and the end housing. The seal assembly is removable by removing the tube. ... | 02/20/2007 |
| 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 |
| 7125018 | Low-friction seal A low-friction seal comprising a quasi dimensionally stable sealing ring (44) that is accommodated with radial and axial clearance in a groove (30; 76) of one of two surface, whereby said surfaces are sealed off from each other and can move in a relati... | 10/24/2006 |
| 7090220 | Cartridge-type bearing seal for machine tool spindle A cartridge type bearing seal facilitates the prevention of contaminant ingress between a spindle rotor and a spindle housing, particularly in situations where a circumferentially uniform fluid pressure is generated within the annular volume of the spindle housing. ... | 08/15/2006 |
| 7086649 | Gasket with two concentric lips A gasket, sliding about the axis of rotation of a part to be brought closer to or to be spaced apart from another part with which it provides tightness through a pair of lips provided on a ring. The gasket includes a portion of the ring capable of bending to modify ... | 08/08/2006 |
| 7066719 | Bore and shaft assembly An exemplary bore for a shaft of a turbomachine includes a longitudinal axis extending generally from an inner end to an outer end of the bore, an outer seat disposed proximate to the outer end of the bore at an outer seat radius for an outer seal ring wherein the o... | 06/27/2006 |
| 7059827 | Turbine power plant having minimal-contact brush seal augmented labyrinth seal A stationary gas turbine engine includes an axial compressor; a turbine; a stationary inner barrel downstream of the compressor; a brush seal including a ring-shaped holder supported by the inner barrel, and a multiplicity of inwardly extending bristle members havin... | 06/13/2006 |
| 7052014 | Snap together bearing isolator The assembly includes rotor and stator elements each having an inclined plane or surface juxtaposed to each other. This is a metallic assembly and the rotor and stator also have juxtaposed cavities. The stator cavity being of sufficient size to accommodate a sealing... | 05/30/2006 |
| 7032903 | Brush-seal designs for turbines and similar rotary apparatus A seal segment for a turbine is provided having labyrinth teeth and a brush seal disposed along the labyrinth teeth. A plurality of the segments for a seal ring. The segments are separable from each other so that the seal can retract. Each segment has two ends, each... | 04/25/2006 |
| 6976679 | Inter-fluid seal assembly and method therefor An inter-fluid brush seal assembly and associated method are provided. The seal assembly defines a gas passage for supplying gas to interfaces with a rotatable member. At least one of the interfaces is defined by a brush seal, and the flow of the gas through the int... | 12/20/2005 |
| 6976680 | Shaft seal structure and turbine The shaft seal structure is based on a leaf seal that includes springs, disposed between the stator blades and the leaf seal ring, to force the leaf seal ring away from the rotation shaft, and pressure guiding grooves for guiding the fluid pressure, through a bounda... | 12/20/2005 |
| 6942219 | Mechanical seal having a double-tier mating ring An apparatus and method to enhance the overall performance of mechanical seals in one of the following ways: by reducing seal face wear, by reducing the contact surface temperature, or by increasing the life span of mechanical seals. The apparatus is a mechanical se... | 09/13/2005 |
| 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 |
| 6854957 | Seal of a vertical pump A seal of a vertical pump with a front casing disposed on a main casing which has a motor disposed therein. A volute chamber is disposed inside the front casing to receive a centrifugal impeller. A suction inlet is disposed axially on the front casing opposite the m... | 02/15/2005 |
| 6805358 | Magnetic seal The invention herein is a seal to seal a rotating shaft to housing. The seal has a stator and a rotor, magnetically and mechanically coupled. The mechanical couple is provided through an interlocking annular groove provided on one component and a flange face on the ... | 10/19/2004 |
| 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 |
| 6412289 | Synchronous machine having cryogenic gas transfer coupling to rotor with super-conducting coils A cooling fluid coupling is disclosed for providing cooling fluid to a rotor having a super-conducting winding of a synchronous machine and a source of cryogenic cooling fluid. The fluid coupling comprises an inlet cooling tube and an outlet cooling tube ... | 07/02/2002 |
| 6352265 | Seal ring using gas curtain A non contact isolation seal assembly for rotary and linear sealing for use in semiconductor manufacturing automation. The noncontact isolation seal assembly employs a seal having an aperture with a shaft extending through the aperture. A gap region is ma... | 03/05/2002 |
| 6347800 | Fail safe L-shaped spring carrier for gas seals The present invention relates to a shaft seal (1) comprising a sealing element (14) mounted co-axially to a rotary sealing ring (10) to form a primary seal between opposed faces thereof to substantially prevent fluid flow across the primary seal. The seal... | 02/19/2002 |
| 6308958 | Arrangement and method for radially positioning a turbine brush seal An arrangement and method for radially positioning a brush seal relative to a rotor provides a main seal segment having a slot open toward the rotor and an interior ledge facing away from the rotor, a brush seal segment in the slot and having an exterior ... | 10/30/2001 |
| 6286211 | Method for making a brush-tooth seal A method for making a brush-tooth seal, such as a brush-tooth seal which is attachable to a turbine stator, includes obtaining a seal carrier having a groove and having seal teeth and obtaining a brush seal having bristles with tips. The brush seal is eng... | 09/11/2001 |
| 6236128 | Radial lead spanner nut assembly with integral seals for hydrogen-cooled power generators and associated methods A radial lead spanner nut assembly (60) for preventing leakage of hydrogen gas in hydrogen-cooled power generators, an apparatus (50), and method are provided. The radial lead spanner nut assembly (60) is preferably mounted to a radial lead (26) positione... | 05/22/2001 |
| 6173960 | Rod seal apparatus for cylinder assembly There is provided a seal apparatus for sealing against a rod, comprising a double seal including a rod seal and an O-ring which serves as a back-up ring for the rod seal. The double seal is provided in an annular groove formed on an inner circumferential ... | 01/16/2001 |
| 6139019 | Seal assembly and rotary machine containing such seal A seal assembly and a rotary machine, such as a steam turbine, containing such seal. A stator circumferentially surrounds a row of rotor blades. The stator includes an upstream tooth-seal region, a downstream brush-seal region, and an intervening fluid ex... | 10/31/2000 |
| 6045134 | Combined labyrinth and brush seals for rotary machines A combined labyrinth/brush seal is provided in a seal between rotating and stationary components. The seal includes a plurality of arcuate sealing segments, each having one or more labyrinth teeth extending radially toward the surface of the rotating comp... | 04/04/2000 |
| 6027121 | Combined brush/labyrinth seal for rotary machines A labyrinth brush seal combination for a rotating machine comprising an arcuate segment of predetermined axial extent carrying a plurality of axially spaced, circumferentially and radially extending tapered seal teeth, and at least one circumferentially e... | 02/22/2000 |
| 5954342 | Magnetic fluid seal apparatus for a rotary shaft A single pole piece magnetic fluid seal apparatus, which includes a shaft sleeve, having magnetic properties, attached to and surrounding a shaft element to be sealed is provided The apparatus also includes single pole piece surrounding the shaft sleeve, ... | 09/21/1999 |
