Class 277/586 - Seated in groove having stepped walls

Subclass of Class 277 - Seal for a joint or juncture
Definition: Dynamic, circumferential, contact seal wherein the seal
No. of patents: 24
Last issue date: 02/26/2008

Number	Title	Issue Date
7334660	Seal assembly for a rack and pinion steering assembly A rack bushing seal assembly for a rack and pinion steering assembly that includes a bushing, a bushing liner and a locking material. The bushing defines an annular recess on an outer surface of the bushing. The bushing liner is positioned within the bushing. The lo...	02/26/2008
7247006	Method and apparatus for sealing an ultrahigh-pressure fluid system An ultrahigh-pressure fluid system, such as an ultrahigh-pressure fluid pump, includes an improved dynamic seal assembly that can withstand pressures above 40,000 psi, and more preferably, pressures up to and beyond 87,000 psi. The dynamic sealing assembly includes ...	07/24/2007
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 being impaired, even if the temperature of a caliper rises in a disc...	03/20/2007
6939051	Bearing arrangement for a shaft A bearing arrangement supporting a sealing bellows around a shaft to permit axial and angular motion includes inner and outer bearing sleeves, and a rolling bearing having an inner race ring fitted around the inner sleeve with one end face engaging a shoulder in the...	09/06/2005
6805360	Regulator with segmented body The regulator connects to a high pressure fluid supply and regulates the pressure to a downstream apparatus. If an over-pressure occurs, it is vented to atmosphere. A segmented body reduces production cost. An elongate control stem engages a supply seal assembly and...	10/19/2004
6719295	Supplemental seal for the chordal hinge seals in a gas turbine In a gas turbine having a chordal hinge seal between an inner rail of each nozzle segment and an annular axially facing sealing surface of a nozzle support ring, a supplemental seal is disposed between the support ring and inner rail of the nozzle segment on a lower...	04/13/2004
6666458	Valve seal for rotary valve engine A ceramic composite valve seal for a rotary valve assembly for use in internal combustion engines having rotary intake valves and rotary exhaust valves which have a spherical peripheral surface, the valve seal being of two-piece construction surrounding t...	12/23/2003
6644430	Integral bushing assembly for a rack and pinion steering gear A fluid power assisted rack and pinion steering apparatus (10) for a vehicle includes a rack (40) connectable with steerable wheels of the vehicle, a housing (20) partially enclosing the rack (40) and defining a fluid chamber (39), a bushing (390 or 590) ...	11/11/2003
6467566	Integral bushing assembly for a rack and pinion steering gear A fluid power assisted rack and pinion steering apparatus (10) for a vehicle includes a rack (40) connectable with steerable wheels of the vehicle, a housing (20) partially enclosing the rack (40) and defining a fluid chamber (39), a bushing (90) encircli...	10/22/2002
6416058	Packing seal with dynamic self-adapting lip The invention concerns a packing seal with its lip (1) placed in a toroidal housing (2) of a part (3) mobile in rotation and/or translation relatively to a part (4) and whereof the lip (5) ensuring the seal between the lining and the part (4) exerts on sa...	07/09/2002
6402158	Seal disk for bearings A non-contact plastic or rubber seal disk for bearings with improved sealing performance, which can be thrust into the seal groove of the outer ring concentrically with the bearing, with the bearing axis as center, without difficulty and so tightly as to ...	06/11/2002
6322079	Face seal A seal cartridge for a face seal comprising an annular housing having an inner and outer wall and a back wall; a seal ring composite in said housing; a first resilient member disposed between said housing and said seal ring composite for providing an axia...	11/27/2001
6086070	High pressure fluid seal assembly A high pressure fluid seal assembly is shown and described. The seal assembly includes a seal carrier having a bore through which a reciprocating pump plunger may pass, the seal carrier having a first annular groove concentric with the bore, and carrying ...	07/11/2000
5988591	Spool A packing mounting groove formed in a spool has a wider portion of a large groove width and a narrower portion of a small groove width, and a packing that is mounted in the packing mounting groove has a first portion that fits in the wider portion and a s...	11/23/1999
5934323	Spool It is an object of this invention to reduce air resistance, which occurs when a packing is mounted in the mounting groove of a spool. Reducing this air resistance facilitates the mounting operation and prevents compressed air from being contained in a gro...	08/10/1999
5513674	Sealing arrangement A sealing ring (10) includes an outer sealing region (11) with a sealing edge (18) which rests in the installed state against the surface region to be sealed, and a holder region (12) which is situated within the sealing region (11). To prevent or render ...	05/07/1996
5467689	Hydraulic cylinder and biased wear ring assembly for use therein A linear hydraulic cylinder (11) is provided of the type having a cylinder barrel (13;113) and a piston (21;121) reciprocally disposed in the barrel. There is a main piston seal member (55) which seals between the piston and an interior surface (37) of th...	11/21/1995
4899983	Anti-wedging pressure seal ring apparatus A valve plug having a valve plug housing shaped to fit in a bonnet cylinder of steam control valves has a pressure seal ring groove for holding a pressure seal ring therein. The pressure seal ring groove has a pair of walls and a bottom surface end and an...	02/13/1990
4714259	Sealing ring structure with stressing ring In a sealing ring structure comprising a sealing ring (1) made of a tough-elastic plastic material and a stressing ring (11) made of a rubber-elastic material, the sealing ring (1) is provided with an annular recess (2) on its sealing surface which rests ...	12/22/1987
4268044	Fluid connections to rotary members A connection for the supply of fluid under pressure to a rotary member. The connection comprising a rotary member having a rotary surface; a non-rotatory annular member having a stationary surface engaged with said rotary surface at an interface therebetw...	05/19/1981
4252331	Sealing arrangement A sealing arrangement for a two member couple, includes a sealing ring which is interposed between the two members of the couple and having a face which engages one of the members and two axially spaced edges. An elastically resilient ring is interposed b...	02/24/1981
4165882	Sealing means for slide gate An improved sealing means for use with a slide gate which is slidably mounted for opening and closing movement relative to a seat forming frame defining a fluid flow orifice. The sealing means comprises a resilient sealing member adapted to be received in...	08/28/1979
4121838	Shaft seal structure A shaft coaxially mounted within a cylinder is sealed with respect to that cylinder by means of an annular carrier affixed to the shaft and having its periphery facing the inner wall of the cylinder provided with an annular seal groove having an inverted ...	10/24/1978
3930657	Device for sealing between preferably movable parts A device for producing a seal between movable and/or stationary parts, such as a piston and a cylinder particularly under conditions of high fluid pressures, comprises a sealing ring having an O-ring configuration and fabricated of a material such as rubb...	01/06/1976

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Class 277/586 - Seated in groove having stepped walls