Class / Patent application number | Description | Number of patent applications / Date published |
277572000 | Particular mounting, frame, casing, or reinforcement feature | 33 |
20080217865 | DYNAMIC SHAFT SEAL AND METHOD OF INSTALLATION THEREOF - A shaft seal for forming a dynamic seal along an axially extending annular running surface and method of installation thereof is provided. The shaft seal has a mounting portion configured to be connected to a stationary housing and a seal lip having an annular sealing surface extending between an oil side end and an air side end of the seal lip. The sealing surface is configured to extend axially along a shaft running surface. An annular bridge portion connects the seal lip to the mounting portion. A plurality of webs extend generally radially between the bridge portion and the mounting portion to prevent the seal lip from being inadvertently unfolded during installation or while in use. An annulus can be used to install the shaft seal into a housing and about a shaft without the need for secondary operations. | 09-11-2008 |
20080265522 | Sealing Device with an Integrated Encoder for Bearings - A sealing device is to be fitted at a side of a bearing unit in order to seal a gap ( | 10-30-2008 |
20080284111 | HOLE-SEALING COVER - Hole-sealing cover wherewith, while securing space for a moving part such as the end of a suspension arm, the size of a hole in a member being attached to can be made small. The hole-sealing cover is shaped so that it can be inserted into a hole in a bracket, includes a vessel-shaped main cover body which has a space for an end to move in formed inside, and a flange, formed at the peripheral edges of the main cover body, for preventing excessive insertion, in which main cover body, at the top part thereof forming a vessel-shaped bottom surface, a hinge is formed which extends, crossing the top part linearly, which hinge exhibits elasticity wherewith the width in a direction crossing the hinge can be reduced by a pressing force and wherewith the width is restored to the original width when the pressing force is released. | 11-20-2008 |
20090072491 | ROTARY TABLET PRESS - A rotary tablet press, with a rotor driven by a driving motor, which has a die plate as well as an upper and a lower guiding for upper and lower punches, which co-operate with bores of the die plate, a stationary housing closely surrounding the rotor, which constitutes a pressing room, and with at least one ring-shaped sealing arrangement, which seals the housing against a punch guiding, wherein the sealing arrangement has a ring-shaped holder inside the housing, wherein the ring-shaped holder is axially movable between a first and a second position by means of a stationarily arranged lifting device, the sealing arrangement has a first sealing portion, which is continuously in engagement with a first sealing surface of the housing in the first and in the second position, and a second sealing portion which is in engagement with a second sealing surface of the punch guiding with a first sealing force in the first position and is in engagement with the second sealing surface in the second position either with a second sealing force, which is smaller than the first sealing force, or is out of engagement with the same. | 03-19-2009 |
20090206557 | Unitary high pressure slip seal cartridge - A unitary cartridge seal assembly for a high pressure liquid sealing connection between two relatively rotatable liquid passage members of a rotary nozzle or a swivel and a tool having such an assembly. The assembly comprises a thimble shaped or cylindrical housing having a flanged retainer fitting within an axial orifice to hold the components together while allowing sufficient axial movement to insure complete sealing of the respective elements. The assembly provides “drop-in” replacement of wearable parts of the rotary face seal of a high pressure water jet blasting tool. | 08-20-2009 |
20090230631 | Sealing gasket for cooker under-button - This invention relates to a sealing gasket for providing sealing in a button mounting gap on a furnace body where rotating control members are positioned, the sealing gasket being located in the mounting gap via two contacting surfaces thereof, one facing to the button and other one facing to the furnace body, and comprising a sealing wing, in contact with the wall of the body, a retaining member in contact with the outer surface of the furnace body, and at least one bump form extending towards the control member at the continuity of the retaining member and in the direction of the gasket extension for preventing water from reaching to the control member and furnace body. | 09-17-2009 |
20090243227 | OIL SEAL AND POWER TRANSMISSION APPARATUS - An oil seal for sealing a hollow rotary shaft in a power transmission apparatus, wherein the rotary shaft is formed with an internal flow passage through which oil flows and constituted such that the oil flies out as the rotary shaft rotates, including: a fixed portion that is fixedly attached to a case of the power transmission apparatus; a seal portion that seals the rotary shaft at a position that is axially offset position from the fixed portion and allows the rotary shaft to rotate; and a radiator portion that is formed from a metallic material between the fixed portion and the seal portion, receives the oil that flies out as the rotary shaft rotates, and dissipates heat generated by the seal portion by exchanging heat with the oil. | 10-01-2009 |
20090283974 | Seal assembly - Seal assembly for sealing a clearance gap between a boundary of an aperture formed in a housing and a member extending through the aperture. The seal assembly comprises a seal member and a seal member mounting means disposed around the sealing member and is configured to engage with the aperture boundary. The seal member mounting means is configured to seal an alignment interspace provided in the clearance gap between the seal member and aperture boundary. The seal member mounting means is configurable to permit the seal member to be located at a position relative to the aperture boundary in dependence upon the relative positions of the member and aperture boundary to thereby accommodate misalignment between the member and aperture boundary. The seal member mounting means is configurable to lock the seal member relative to the aperture boundary in said position. | 11-19-2009 |
20090302550 | METHOD OF SURFACE TREATING A MECHANICAL PART MADE OF HIGH-STRENGTH STEEL, AND A SEALING SYSTEM OBTAINED BY IMPLEMENTING SAID METHOD - The invention relates to a method of treating the surface of a mechanical part made of high-strength steel, the method seeking to confer on said part friction and lubrication properties that are needed for its use. | 12-10-2009 |
20100201079 | SHAFT SEAL - A shaft seal that is in sliding contact with the outer surface of the shaft of an open type compressor or a fluid device driven by an external power source and seals the inside of the compressor or of the fluid device against the outside. At least a sliding section of the shaft seal, which sliding section is in sliding contact with the outer surface of the shaft, is made from a material into which a substance having a melting point in the range of 150-300° C. is added and uniformly dispersed. The shaft seal can improve its thermal resistance and abrasion resistance, can exhibit excellent durability, and is particularly suitable for compressors using a carbon dioxide refrigerant which are driven under high-temperature, high-pressure conditions. | 08-12-2010 |
20100320698 | INSTALLATION STRUCTURE FOR LIP TYPE SEAL - To enable to use a lip type seal at installation positions where shaft diameters are same but shaft hole diameters are different, an installation structure is made such that a lip type seal ( | 12-23-2010 |
20110227294 | Seal Mechanism and Treatment Apparatus - [Object] To provide a seal mechanism that reduces a maintenance frequency for replenishment of a lubricating material and has small friction resistance, and a treatment apparatus equipped with the seal mechanism.
| 09-22-2011 |
20110285092 | SEAL DEVICE - A seal device where a seal lip reliably maintains shaft sealing relative to high-pressure fluid that is to be sealed and where the equivalent Mises stress occurring in the seal lip is reduced to extend the durable term of the seal lip longer. A backup ring has a tapered section continuously extending from a fixation section of the backup ring and also has a forward end section. A rounded surface (E) with a curvature radius (R- | 11-24-2011 |
20120112419 | Seal and seal arrangement - A seal for sealing a sealing surface | 05-10-2012 |
20120126490 | UNITIZED RADIAL FLUID SEAL - A unitized radial fluid seal includes a shell having a first elastomeric seal body affixed thereto and defining a primary seal lip. A sleeve includes a substantially cylindrical, axially-extending sealing flange and a protective flange extending substantially radially from the axially-extending sealing flange. A spring radially urges the primary seal lip into sealing contact with a sealing surface of the axially-extending sealing flange. A second elastomeric seal body is affixed to the sleeve and includes a resiliently-elastic angled lip extending from a terminal end of the axially-extending sealing flange opposite of the radially-extending protective flange. The sealing surface and an axially-outward facing surface of the angled lip define an angle (α) that is between about 130-170°. The primary seal lip is axially retained between the angled lip and the radially-extending protective flange. | 05-24-2012 |
20120306161 | MULTI-SEGMENT SEAL RETAINER FOR ROTATING SHAFTS - A retainer assembly for a seal encircling a shaft to prevent migration along the shaft, has at least two rings that encircle the shaft. A first ring is fastened to the wall and encircles the shaft to form an annular recess surrounding the periphery of the seal. A second ring encircles the shaft with outside and inside diameters allowing at least a portion of the second ring to fit into the annular recess between the first ring and the seal. A plurality of fasteners attach to the first ring and are external to the second ring. Each fastener engages a peripheral portion of the second ring to press the second ring toward the wall. In a preferred embodiment, the retainer has inner, middle, and outer rings that allow retaining of two seal sections. | 12-06-2012 |
20130049306 | RADIAL SHAFT SEAL WITH DUST EXCLUSION AND HYDRODYNAMIC SEALING FEATURE - A radial shaft seal configured for receipt in a housing and about a shaft to sealingly isolate an air-side of the shaft seal from an oil-side of the shaft seal is provided. The seal includes an annular mounting portion and a seal lip operably attached to the mounting portion. The seal lip has an annular inner sealing surface extending axially between an oil-side end and a free air-side end. The inner sealing surface has a first groove region extending along the shaft in sealed engagement therewith and a second groove region extending along the shaft in sealed engagement therewith. The first groove region and the second groove region are spaced axially from one another by an intermediate non-grooved region. The first groove region is configured to direct contamination toward the air-side of the seal and the second groove region is configured to direct lubrication toward the oil-side of the seal. | 02-28-2013 |
20130277919 | SEAL DEVICE - A sealing device includes: a sealing ring ( | 10-24-2013 |
20140175758 | SHAFT SEAL WITH RETENTION FEATURES - A shaft seal assembly includes a seal component with a bore retention feature, and a housing structure. The seal component includes a hook retention feature including a hook element that hooks around a ridge of the housing structure that partially defines the bore. The hook retention feature may include a first surface, a second surface, and a third surface that define a recess that receives the portion of the housing structure. The third surface may be a bottom surface of a hook that extends around the received portion of the housing structure. | 06-26-2014 |
20140210167 | AIR CYCLE MACHINE WITH SEAL SHAFT - A seal shaft for use in an air cycle machine has two axial edges. An axial distance is measured between contact faces at the axial edges, with a tolerance to the dimension. A greatest variation between the axial distance at a plurality of spaced locations on the edge face is maintained with a ratio of the greatest variation to the tolerance being less than 0.2. A rotor assembly, an air cycle machine and a method are also disclosed. | 07-31-2014 |
20140284883 | System, Method and Apparatus for Lip Seal Assembly - A seal assembly includes a lip seal having an axis, a central opening and a radial extension extending radially inward. The radial extension may be adapted to apply a sealing force against a shaft extending through the central opening by bending. The radial extension may extend at least partially along an axial direction. A support member that is resilient may be positioned adjacent the radial extension such that the support member limits bending of the radial extension. | 09-25-2014 |
20140339779 | DUSTPROOF MEMBER AND MEASUREMENT DEVICE - A dustproof member for a measurement device is provided. The measurement device includes a frame in which a scale is held and which has an insertion opening that extends in a longitudinal direction, and a detector that is inserted through the insertion opening and capable of moving along the insertion opening in the longitudinal direction to obtain position information from the scale. The dustproof member is provided on the frame to cover the insertion opening of the measurement device. The dustproof member includes a reinforcing member that extends continuously in the longitudinal direction and that is disposed in a substantially central region of the dustproof member in a width direction. | 11-20-2014 |
20150061233 | RECIPROCATING SEALING DEVICE - In a reciprocating sealing device sealing two members by mounting a packing to a mounting groove in one of two relatively reciprocating members, and bringing the packing into contact with the other member, the packing is provided with an annular base part, a stationary side lip, and a sliding side lip. A back ring having a lower hardness than the packing is interposed between the annular base part and a groove side surface of the mounting groove. The back ring forms a space region in relation to the other member. The annular base part is provided with a shape that the annular base part does not protrude out of an extension of a peripheral surface of the sliding side lip in a free state by forming a cross sectional shape of a heel part into a circular arc shape or a taper shape. | 03-05-2015 |
20170234432 | CERAMIC SEAL RUNNER SUPPORT SYSTEM | 08-17-2017 |
20180023682 | SEALING ARRAY FOR A TRANSMISSION, IN PARTICULAR FOR THE OUTPUT SHAFT OF A TRANSMISSION, AND TRANSMISSION HAVING THE SEALING ARRAY | 01-25-2018 |
277573000 | Peripheral mounting static seal | 6 |
20100133759 | LARGE DIAMETER SEALS - A large diameter seal having a band of elastic material on its outer diameter to insure a complete and effective sealing in the counterbore and a method for manufacturing this large diameter seal having elastomeric material on its outer diameter. | 06-03-2010 |
20120091665 | Seal Structure - A seal structure for sealing a penetrated portion through which a rotary shaft passes between a cover member and the rotary shaft. A seal member is fitted onto the rotary shaft in a manner that the rotary shaft can rotate relative to the seal member, and the elastic buffer member is provided for connection between the seal member and the cover member at the penetrated portion. The seal structure can keep sealing performance by reducing the influence of movements such as vibration and thermal expansion of the cover member and the influence of process tolerance of the cover member on the sealing performance of the seal member attached to the penetrated portion between the cover member and the rotary shaft penetrating the cover member. | 04-19-2012 |
20120104701 | SEAL AND CORRESPONDING MANUFACTURING METHOD - A seal comprises an annular portion ( | 05-03-2012 |
20150054227 | Radial Shaft Seal - The invention relates to a radial shaft seal for sealing a shaft ( | 02-26-2015 |
20150337963 | SHAFT SEAL - A shaft seal in which a seal element a seal element and a gasket as held members are held between an outer case and an inner case, and, a protruding portion to locally increase holding pressure on the seal element is disposed on a pressing face for held member of the inner case. | 11-26-2015 |
277574000 | Protrusion or bead cross-sectional profile | 1 |
20160169391 | GASKET, AND METHOD OF PRODUCTION AND USAGE THEREOF | 06-16-2016 |
277575000 | Secured by molding or bonding | 1 |
20120061921 | Fluid Seal Assembly - A fluid seal assembly is disposeable between an outer surface, i.e. engine block or any other part that requires application of the assembly and a rotatable member, such as, for example a shaft, wherein the assembly circumscribes the shaft and lubricated the shaft and the same rotates around the axis. The assembly includes at least three members: a casing unit, a sealing ring unit, and a liner. The assembly eliminates problems associated with prior art designs such as static leakage of oil, clogging up the spirals with carbonized oil that negatively impact lifecycle of the fluid seals. | 03-15-2012 |
277576000 | Secured by clamping | 1 |
20140035239 | PIVOT SHAFT SEAL - A pivot shaft seal for sealing between a turbocharger housing and a pivot shaft. The seal includes a metal seal ring including a mounting flange and a resilient sealing flange extending radially inward from the mounting flange. The sealing flange is sized to snugly fit about the pivot shaft. The seal includes a clamping bushing operative to clamp the mounting flange against the turbocharger housing. | 02-06-2014 |