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7618195 |
Wheel bearing arrangement
A bearing arrangement having a roller bearing having an inner race, bearing rollers, and an outer race in which the roller bearing is arranged to support a wheel hub on a wheel axle. The bearing...
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7530870 |
Drive shaft sealing device for small watercraft
A sealing member can include a radially-working lip which contacts a drive shaft in a radial direction to seal a gap between the drive shaft and the housing in the radial direction, an...
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7510086 |
Sealing arrangement
This invention relates to an arrangement for sealing off a fluid-filled, stationary pressurized compartment from an endlessly circulating, impermeable belt of a machine for producing and/or...
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7478981 |
Concealed glandular seal
Disclosed herein is a contamination protection apparatus that includes a concealed linear glandular seal for providing continuous protection along an entire length of a movable table of a precision...
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7338106 |
Sound damping and sealing system for tail gate
A sound damping system for a swinging tail gate of a dump truck is described. The system comprises a two-part seal formed by a compressible sound damping material and a rigid compressing...
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7305963 |
Blade-thru-slot combustion engine, compressor, pump and motor
This is simple and efficient rotary machine that can be implemented as compressor, pump, motor and mainly as internal combustion engine. The engine comprises a housing, a rotor(s) with a radial...
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7191875 |
Disc brake
A disc brake includes a piston seal made of rubber that is shaped to fit into a seal groove on the inner surface of a cylinder of a caliper for a brake piston. To prevent braking effectiveness from...
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7090219 |
Sealing device
Sealing device for sealing at least one zone of underpressure or overpressure adjoining a moving surface that includes at least one sealing element, positionable opposite the moving surface to form...
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6956493 |
Portable sensing light
A motion-sensing light includes a power cord with a plug to be plugged into an electrical outlet. In one embodiment, the light is moisture-resistant, allowing the light to be used outdoors with a...
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6932873 |
Managing work-piece deflection
A work-piece deflection management system including: (a) a first and a second vacuum chambers, each said vacuum chamber having an air-bearing seal circumscribing one of its sides, and (b) a...
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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...
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6889640 |
Valve timing control device
A first cylindrical part in which axial part passages for supplying a fluid to or discharging a fluid from a fluid pressure chamber are formed is provided in a rotor and, at the same time, a second...
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6802780 |
Seal for double-tube driveshaft
A seal system and method are provided to protect a double-tube vehicle driveshaft, having first and second members containing intermeshing splined portions, from premature wear or corrosion. The...
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6789804 |
Dry gas shutdown seal
A dry gas seal has a housing with an annularly-shaped channel disposed concentric with the drive shaft, and an inlet to introduce pressurized buffer gas into the housing interior. An...
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6729842 |
Methods and apparatus to reduce seal rubbing within gas turbine engines
A method enables a nozzle assembly for a gas turbine engine rotor assembly to be fabricated. The rotor assembly includes at least two adjacent rows of rotor blades coupled together by a disk spacer...
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6722657 |
Low torque seal assembly with open cell filter media
Disclosed is a labyrinth seal assembly for sealing an annular gap defined between a bore of a housing and an outer surface of a cylindrical shaft, wherein the housing and shaft are relatively...
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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...
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6663109 |
Rotating fluid seal
A rotating seal assembly, comprising: a first member having a circular hole passing therethrough; a second member having a circular shape, the second member being positioned such that an annular...
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6604743 |
Replaceable wearing surface for a sealing arrangement
The replaceable wearing surface is for a sealing arrangement on drum end walls on a press drum that de-waters fiber suspensions radially into the drum through the shell of the drum. The wearing...
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6589394 |
Controlled-force end seal arrangement for an air press of a papermaking machine
An air press for pressing a fiber web includes a plurality of rolls and a pair of end seal arrangements. Of the plurality of rolls, each pair of adjacent rolls forms a nip therebetween. Further,...
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6494458 |
Rotary sealing assembly
A sealing assembly for a rotatable shaft, comprising means to generate pressure differentials and temperature through pumping action and means to seal fluid, for example of the non-contact helical...
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6343792 |
Shaft seal and turbine using the same
A shaft seal having a high abrasion resistance is disclosed, by which the leakage of the gas from the high-pressure side to the low-pressure side can be reduced. In the shaft seal, flexible leaves...
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6334751 |
Air lock
Air lock for introducing and continuously passing a strip of a substrate into and through a vacuum chamber, including an enclosure containing at least three successive rollers in the direction of...
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6334934 |
Sealing device and process for sealing pressure zones in a paper-making machine
Sealing device and process for laterally sealing at least one excess pressure or vacuum zone adjoining a moving surface in a paper-making machine. The sealing device has at least one sealing...
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6318727 |
Apparatus for maintaining a fluid seal with a moving substrate
An apparatus is disclosed for maintaining a fluid seal with a moving substrate. The apparatus includes an enclosure and a cap. The enclosure has a first surface and a second surface with the first...
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6254732 |
Method for loading a seal of a suction roll and a sealing construction thereof
A sealing construction for loading a seal against a suction roll in a paper machine includes a seal having a wear surface, side surfaces and a lower surface. The seal is fitted from its holder to...
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6176491 |
Sealing device
In order to ensure that the working life of the sealing device is at least comparable to that of the remaining parts of the crawler track, the resilient annular element comprises a first annular...
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6161839 |
Valve seal assembly
The invention is a valve seal assembly (43) illustrated in the context of a compressor bleed valve (36) for a gas turbine engine. The seal assembly includes a seal carrier (44) having a...
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6126411 |
Siphon prevention in a compressor lubrication system
In open drive refrigerant compressors, the location where the shaft extends through the casing provides a potential location for leakage of refrigerant. Where a shaft seal is used which requires an...
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6098986 |
Seal
A seal (14) for use between a pair of substantially concentric elements (10 and 11) capable of relative movement with respect to each other, said seal comprising a sealing element (17) having a...
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5996469 |
Rodless power cylinder
A rodless power cylinder assembly comprising a cylinder having a pair of side walls, at least two bearing grooves being formed in each of the side walls, each bearing groove extending substantially...
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5975532 |
Seal construction for a suction roll in a paper machine
A seal construction for a suction roll in a paper machine including a substantially U-section holder open toward an inner face of the roll mantle and a seal mounted in the holder and extending in...
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5957591 |
Anti-friction bearing
To permit stacking of seals without possibility of the stacking of their synthetic rubber seal members to one another, permit, when assembling the seals to produce anti-friction bearings, storing...
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5893703 |
Pump shaft sealing system
For a pump that produces a negative pressure in a pump casing, a shaft seal system comprises a positive flow of air into the seal system to flow about shaft seals to counteract the negative...
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5884734 |
Air damper
An air damper includes: a piston adapted to reciprocate in a cylinder; an annular recessed portion formed along an outer periphery of the piston; a sealing member fitted in the recessed portion in...
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5839663 |
Gas turbine exhaust nozzle flap and flap seal apparatus
An exhaust nozzle for a gas turbine engine is provided which includes a plurality of flaps and an abradable coating. Each flap includes seal surfaces with depressions disposed therein. The flaps...
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5772350 |
Protected swivel
A protected swivel has first and second members connected in swiveling engagement and a sleeve overlaying and enclosing at least a portion of each of the first and second members. The sleeve is...
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5772214 |
Automatic shut down seal control
An apparatus for automatically closing a shutdown seal on an open-drive centrifugal compressor to prevent the loss of refrigerant and damage to the seal, including a seal housing encompassing a...
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5701798 |
Linear actuating device
The linear actuating device of the present invention has a rodless power cylinder unit with a cylinder barrel. An external carriage is disposed on the cylinder barrel and is movable along the axis...
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5697619 |
Radial seal for air preheaters
A rotary regenerative air preheater having a rotor mounted to a central rotor post for rotation within a surrounding housing whereby heat absorbent material carried in the rotor is alternately...
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5678831 |
Sealing device of compartment gateways of continuous annealing furnaces and continuous painting equipments
A danger of explosions or fires caused by a spark of static electricity in sealing portions of compartment gateways of continuous annealing furnaces to perform bright annealing or oxidation-free...
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5667226 |
Device for providing a seal between two parts of an installation
A sealing device for effecting a seal between two relatively movable members, such device being formed from a single strip of springy metal shaped to form a hollow body from which a pair of...
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5664789 |
Seal construction for use in valve assembly
A gasket 4 to be interposed between a valve mounting face 2a of a manifold base 2 and a joining face 3a on a casing of a change-over valve 3 is provided with ridges 35 at least on one side thereof....
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5632502 |
Rotary actuator such as a rotary actuator for a motor vehicle suspension
A rotary actuator having a cylinder and a motor shaft as well as end caps which define a working area, a number of ribs on the inside surface of the cylinder and an equal number of vanes on the...
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5606903 |
Rodless pressure cylinder
A rodless pressure cylinder (1) has a cylinder housing (2) with a longitudinal slot (6) through it and is closed on each end by a cylinder cap (12). The longitudinal slot (6) is sealed on its...
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5586771 |
Sliding seal with hole and groove for distribution of pressurized friction reducing medium
An arrangement to seal an element (1), moving in respect to an oblong slit, and to reduce friction, in which slit there is as a slealing at least one medium pressurized tubular sealing (4)...
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5562293 |
Stripping ring
A stripper for a threaded spindle has an essentially ring-shaped body, the inner circumference of which is provided with an internal screw thread (12) that works in cooperation with the carrier...
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5533887 |
Fluid rotary apparatus having tapered rotors
A fluid rotary apparatus includes a casing, a plurality of screw rotors, and a driving device. The casing has a suction hole, a discharging hole, and an inner tapered surface. The rotors have...
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5531151 |
Rodless cylinder
A rodless cylinder which is capable of minimizing the leak of pressure fluid from a cylinder tube. A slit of an almost trapezoidal section is formed in the cylinder tube in a longitudinal direction...
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5524846 |
Fire protection system for airplanes
A system for protecting the strut and wing structure of an airplane from high temperatures proximate the exhaust nozzle end of a jet engine employs a set of outer spring metal fingers attached to...
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