Class / Patent application number | Description | Number of patent applications / Date published |
277579000 | Having floating ring or bushing (i.e., circumferentially contacting) | 16 |
20080277882 | Seal ring - A seal ring for sealing an annular clearance between two members, which are made rotatable relative to each other. The seal ring is provided with a relief | 11-13-2008 |
20090108541 | Sealing system - A bushing includes an interior surface, an exterior surface, a first end, and a second end. An end face forms at least part of each of the first end and the second end. At least one of the exterior surface and the end face includes a sealing surface formed at least in part of a coating including a material having a hardness level greater than about 1200 Knoop. The sealing surface has a thickness greater than about 35 microns and an average roughness (Ra) less than about 0.25 micron. In one embodiment, the bushing may be used on an endless track for a track-type work machine. | 04-30-2009 |
20100225066 | Separable glands for cartridge seal - Separable glands for a cartridge seal includes an outer gland, and an inner gland assembly, which is separable from the outer gland, and consists of all necessary parts of a cartridge seal, including an inner gland; in installation, the outer gland is fixed on an rotating equipment to restrain the inner gland assembly; the outer gland can be rotated to make its peripheral gaps to face threaded holes of the rotating equipment before it is fixed; the outer gland is stopped from falling off with a loosen-prevention component, e.g. elastic piece and fastener; the inner gland has an outer adjoining portion, and the outer gland has an inner adjoining portion, which will come closely in contact with the outer adjoining portion to prevent the inner gland assembly from loosening; after a cartridge seal is removed for replacement of the inner gland assembly, the outer gland will be used again together with a new inner gland assembly. | 09-09-2010 |
20100225067 | COATED RING SEAL - A ring seal includes an annular body having a first side surface, a second side surface opposite the first side surface, a top surface, and a bottom surface opposite the top surface. A coating of silica particles is disposed on at least one of the first side surface, the second side surface, the top surface, and the bottom surface of the annular body. The coating of silica particles includes a composition comprising diatomaceous earth. | 09-09-2010 |
20100270752 | Sealing arrangement for relatively movable parts and device including such a sealing arrangement - A sealing arrangement for two relatively movable first and second parts and including a sealing ring positioned in a groove on one of the parts for sealing contact against the other one of the parts, so as to separate a first side of the sealing ring from a second side of the sealing ring, wherein the sealing ring is positioned in a sealing ring seat formed as a groove in the circumference of one of the parts, including liquid supply means for supplying liquid under pressure to the second side of the sealing ring, and means for balancing the pressure of the supplied liquid in the region of the sealing ring, whereby forces on the sealing ring resulting from the pressure prevailing on the first side of the sealing ring are counteracted and balanced in such a way that in operation the sealing ring is essentially free-floating in the groove. The invention also concerns a reciprocating piston device including such a sealing arrangement. | 10-28-2010 |
20110095487 | CENTERED FLOATING SEAL - A self-centering floating seal comprising a ring having first and second diameters, wherein the ring is arranged to be installed between first and second gland components, a plurality of tabs protruding from the first diameter, wherein the tabs are operatively arranged to exert a force on the first gland component to create a radial gap between the first diameter and the first gland component, while the second diameter is arranged to engage against the second gland component for forming a sealed interface, a plurality of seats corresponding to the plurality of tabs, wherein each seat forms a recess in the first diameter of the ring for receiving one of the tabs when each tab is flexed toward the ring, and wherein the tabs are substantially equally spaced about the first diameter of the ring, and each of the tabs spans an axial thickness of the ring. | 04-28-2011 |
20140197603 | BI-DIRECTIONAL SEAL ASSEMBLY FOR USE WITH VALVES - Seal assemblies for use with fluid valves are described. An example seal assembly includes a first seal and a second seal opposite the first seal. The first and second seals are to sealingly engage a closure member of a valve and a sealing surface opposite the closure member. A spacer ring is disposed between the first and second seals to prevent the first and second seals from contacting each other. The spacer ring has an aperture therethrough to enable pressurized fluid to flow from a first side of the spacer ring and a second side of the spacer ring opposite the first side. | 07-17-2014 |
20140300059 | FLOATING SEAL - A floating seal material comprises C, Si, Mn, Ni, Cr, and B with the remainder being made up of Fe and unavoidable impurities. The contents of the C, Si, Mn, Ni, Cr, and B are: C: 2.2 to 3.8 wt %, Si: 0.5 to 3.5 wt %, Mn: 0.1 to 2.0 wt %, Ni: 2.0 to 5.5 wt %, Cr: 0.9 to 4.0 wt %, and B: 0.02% to 0.4 wt %. The content of Cr in the parent phase is 0.30 to 1.07 wt %. The content of graphite is 0.35 to 2.33% of the surface area. The content of carbon boride is 14 to 40% of the surface area. | 10-09-2014 |
20140300060 | FLOATING SEAL - A floating seal comprises C, Si, Mn, Ni, Cr, Mo, V, and B with the remainder being made up of Fe and unavoidable impurities. The contents of the C, Si, Mn, Ni, Cr, Mo, V and B are C: 2.2 to 3.9 wt %, Si: 0.5 to 3.5 wt %, Mn: 0.1 to 2.0 wt %, Ni: 0.5 to 4.3 wt %, Cr: 7.5 to 25.0 wt %, Mo: 0 to 8.0 wt % (excluding 0 %), V: 0 to 6.0 wt % (excluding 0%), and B: 0.02 to 0.4 wt %. The content of Cr in the parent phase is 2.00 to 5.41 wt %. The content of graphite is 0.05 to 0.35% of the surface area. The content of carbon boride is 19 to 40% of the surface area. | 10-09-2014 |
20140319780 | USE OF DISSIMILAR METALS IN FLOATING STYLE SEALS - A floating style seal assembly is provided. The floating style seal assembly includes a first mating seal ring and a second metal mating seal ring. The first and the second mating seal rings are composed of metals that are dissimilar from each other. A method of making a floating style seal is also provided. The method includes providing a first mating seal ring and providing a second mating seal ring wherein the first and second mating seal rings are composed of metals dissimilar from each other. | 10-30-2014 |
20150377364 | FLOATING BALL VALVE SEAL - A seal assembly is provided for a rotary ball valve an eccentric cammed ball. The seal assembly may include a seal ring disposed within the valve interior and biased toward the ball element of the valve. A seal ring retainer may be threadedly secured to an interior of the valve body, thereby retaining the seal ring in the valve body. | 12-31-2015 |
277580000 | Radially translatable in groove | 2 |
20110037235 | SEAL RING - Sandwiching of a foreign matter between a seal ring and a housing is suppressed, and abrasion of the housing and the seal ring is suppressed. The size of the diameter of a second seal portion | 02-17-2011 |
277581000 | And biased | 1 |
20090051124 | Seal Ring - The object is to provide a seal ring of which the abutments which oppose each other at the cut-apart portion are not complicated in shape, so that foreign matter contained in oil in the oil pressure side can be smoothly discharged into an annular gap on the non-pressure side. | 02-26-2009 |
277582000 | Made of elastomer or plastic | 1 |
20130075979 | SHAFT SEAL DEVICE AND PUMP APPARATUS USING THE SAME - A shaft seal device includes: a rotary shaft; a seal member that is arranged on an outer periphery of the rotary shaft; a liquid chamber; and a seal member accommodation chamber that accommodates the seal member therein, wherein the liquid chamber and the seal member accommodation chamber is separated by a partition wall, wherein the rotary shaft passes through a shaft hole formed in the partition wall and an outer periphery of the rotary shaft is sealed by the seal member, wherein the partition wall is formed with a through-hole penetrating the partition wall, a hollow member is mounted in the through-hole, a protrusion part of the hollow member protrudes toward the seal member accommodation chamber to engage with the seal member, and wherein the liquid chamber and the seal member accommodation chamber communicate with each other through a hole of the hollow member. | 03-28-2013 |
277583000 | Inflatable seal or seal biased by inflatable member | 2 |
20130175765 | MUDDY WATER ROTATION DEVICE - This invention includes a container | 07-11-2013 |
20220136605 | Radial Pressure Adjustable Gland Sealing System - A radial pressure adjustable gland sealing system is disclosed herein. The system includes at least one inflatable bladder operable to surround a rotating shaft or sleeve of a rotating shaft, and at least one inflating tube. One end of each inflating tube is in fluid communication with the internal envelope of one of the at least one inflatable annular bladder. An opposite end of each inflating tube is connected, or extends, to a location outside of a static housing in which the rotating shaft is housed, such that the level of inflation of each inflatable bladder can be adjusted by way of its respective inflating tube, and thereby adjust the level of radial pressure exerted on the rotating shaft or sleeve for a rotating shaft. | 05-05-2022 |