Patents Examined by Gilbert Lee
  • Sealing gland
    Patent number: 9206928
    Abstract: A sealing gland for sealing between an elongate member and a surface through which the member extends, the gland comprising a sealing body having an inner membrane for sealing about the elongate member and an outer peripheral region for sealing against the surface. The inner membrane has one or more cut guides on an underside of the membrane arranged to locate adjacent the surface in use. Each cut guide represents a known elongate member option and facilitates the formation of an aperture through the membrane for suitably receiving the associated elongate member option there through in use. A compression ring is also provided to couple the surface over the sealing body to compress the sealing body in use and form an effective seal.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: December 8, 2015
    Assignee: Lake Products Limited
    Inventors: Andrew Leo Haynes, Gabriel Ioan Giurgiu
  • Sealing element for a bearing, in particular a rolling contact bearing
    Patent number: 9206849
    Abstract: A sealing element for a bearing, in particular a rolling contact bearing, and to a bearing, in particular a rolling contact bearing. The sealing element has a sealing composed of an elastic material, at least one support element composed of a rigid material, an IC identification, and an antenna for the IC identification. The at least one support element is formed from a non-metallic material such that the sealing element remains sufficiently stable mechanically and the operation of the antenna suffers little interference.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: December 8, 2015
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Joachim Hering, Michael Pausch
  • Gasket for parabolic ramp self restraining bell joint
    Patent number: 9194519
    Abstract: Gaskets for use with a bell and spigot coupling system are disclosed herein. The gasket comprises an elastomeric member having a front edge, a first section, and a second section. Axial forces generated by the insertion of the spigot to the first section of the elastomeric member displace the first section of the elastomeric member in an axial and radial direction.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: November 24, 2015
    Assignee: Mueller International, LLC
    Inventors: William W. Holmes, IV, William H. Owen
  • Sealing device
    Patent number: 9194498
    Abstract: A sealing device for sealing an annular gap between a housing having a shaft inserted into a shaft hole for preventing leaking of a fluid on one side in an axial direction to another side in the axial direction that is capable of stabilizing the posture of the sealing lip of the first sealing member made of rubber-like elastomer and exhibiting a good sealing performance. The sealing device includes a first sealing member (120) made of rubber-like elastomer, a second sealing member (140) made of resin, and an adaptor (160) that positions the first sealing member (120) in the axial direction, and a bent portion (163) in which an edge portion (165) is bent toward an outer peripheral side so as to be spaced apart from an outer peripheral surface of a sealing lip (123).
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: November 24, 2015
    Assignee: EAGLE INDUSTRY CO., LTD.
    Inventors: Akira Yoshino, Koichiro Oiyama
  • Shrouded face seal and components thereof
    Patent number: 9194499
    Abstract: One embodiment of the face seal described herein includes a seal seat and a seal element carried by a seal housing. The seal element cooperates with the seal seat to establish a seal. The housing includes a seal element support and a shroud. The shroud includes a stem and a tip, and the tip is an insert secured to the stem.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: November 24, 2015
    Assignee: United Technologies Corporation
    Inventors: Colin D. Craig, Enzo DiBenedetto, Christopher P. Kmetz, Jonathan Logan Miller, Mark R. Sondeen
  • Elastic seals with dynamic lips and related methods
    Patent number: 9194497
    Abstract: Seal assemblies and methods that include a seal lip that comprises an extended portion with generally constant cross-sectional width for low and generally constant friction during wear are described. The seal lip is loaded against a dynamic member by the aid of a spring energizer. The extended portion of the seal lip maintains constant torque resistance during movement of the dynamic member.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: November 24, 2015
    Assignee: Bal Seal Engineering, Inc.
    Inventor: Hamid Rastegar
  • Sealing arrangements
    Patent number: 9188227
    Abstract: A spirally wound strip (300) is thicker in the middle and is curved on both sides. Short flats (306) are formed at each side by surfaces that converge towards each other. Soft sealant material (316) extends over the flats (306).
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: November 17, 2015
    Assignee: Flexitallic Investments, Inc.
    Inventors: George Deluca, Brian Hasha, Jamal Jamlyaria, John Hoyes, Stephen Peter Bond
  • Gland packing
    Patent number: 9188230
    Abstract: A gland packing is braided in a state where, in crossing angles of yarns which are exposed on four side surfaces of a string-like member, crossing angles in adjacent side surfaces of the four side surfaces are different from ch other. The string-like member is looped so that the crossing angle on the side surface in the four side surfaces, the side surface being to function as an inner circumferential surface, is larger than the crossing angles on side surfaces which are to function as side circumferential surfaces adjacent to the inner circumferential surface.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: November 17, 2015
    Assignee: NIPPON PILLAR PACKING CO., LTD.
    Inventors: Takashi Kawasaki, Hiroki Hayashi, Koichi Kataoka
  • Spherical annular seal member and method of manufacturing the same
    Patent number: 9182060
    Abstract: A spherical annular seal member 40 includes: a spherical annular base member 38 which is defined by a cylindrical inner surface 34 defining a through hole 33 in a central portion, a partially convex spherical surface 35, and annular end faces 36 and 37 on large- and small-diameter sides of the partially convex spherical surface 35; and an outer layer 39 formed integrally on the partially convex spherical surface 35 of the spherical annular base member 38.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: November 10, 2015
    Assignee: OILES CORPORATION
    Inventors: Osamu Miyashita, Eiji Satou, Koichi Ishida, Toshikazu Takasago, Satoshi Matsunaga
  • Piston ring
    Patent number: 9175771
    Abstract: A piston ring which is provided with a carbon-based coating which has a low friction property and wear resistance, that is, a piston ring which has a carbon-based coating formed over its sliding surface, in which piston ring, the coating is a multilayer coating comprised of two types of layers having different hardnesses laminated in at least two layers, a hardness difference between the two types of layers is 500 to 1700 HV, a high hardness layer has the same or greater thickness than a low hardness layer, and the coating as a whole has a thickness of 5.0 ?m or more. The high hardness layer has a thickness of 5 to 90 nm. The surface on which the coating is formed has a base material roughness of 1.0 ?mRz or less.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: November 3, 2015
    Assignee: TPR Co., Ltd.
    Inventors: Takatsugu Iwashita, Tomoyuki Sato
  • Hot gasket with stainless steel
    Patent number: 9175637
    Abstract: A metal gasket for establishing a gas and fluid-tight seal between two members and which is resistant to temperatures of greater than 430° C. and even up to 540° C. is provided. The metal gasket is made of a 200 series stainless steel which includes, by weight percentage: up to 1.0% Silicon, 3.5-5.5% Manganese, up to 0.060% Phosphorus, up to 0.030% Sulfur, 17.5-19.5% Chromium, 0.50-2.00% Molybdenum, 4.0-6.0% Nickel, 0.10-1.00% Niobium, 0.08-0.30% Nitrogen and the remainder of Iron. This particular alloy has been found to provide the gasket with very high mechanical strength, even at temperatures of up to 540° C. Additionally, due to the low nickel content of the 200 series stainless steel, the metal gasket may be made more cost-effectively than other known metal gaskets.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: November 3, 2015
    Assignee: Federal-Mogul Corporation
    Inventors: James Stout, Jonathan Youngman
  • Conformal wear-resistant seal
    Patent number: 9169929
    Abstract: A seal apparatus includes: (a) first and second machine elements defining a sealing interface between two zones subject to different fluid pressures, a boundary of which lies between the two elements; (b) a seal comprising rigid material carried by the first machine element and having an annular lip defining a first contact surface; (c) a second contact surface comprising rigid material, defined by the second machine element; (c) wherein both contact surfaces are wear resistant, and the first and second contact surfaces bear directly against each other, so as to seal against fluid leakage between the first and second zones, while allowing relative sliding motion between the first and second contact surfaces; and (d) wherein the seal is configured to allow the lip to deform elastically and permit the first contact surface to conform in a regular or irregular shape to the second contact surface.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: October 27, 2015
    Assignee: Little Engine, LLC
    Inventors: Franz W. Kellar, Harold Lloyd Crowder, Jr., Scott M. Duquette
  • Backup bullet seal with actuation delay feature
    Patent number: 9163729
    Abstract: A sealing system features a primary and secondary bullet seals where the secondary seal is preferably bidirectional and is activated to spread fins with a t-shaped ring that is driven with differential pressure to advance after temperature exposure softens a stop material on the extending portion of the t-shaped ring. Opposed t-shaped rings are disposed at ends of the backup ring that have fins at both ends. Advancement of the t-shaped ring spreads the fins and retains them in the spread condition for enhanced sealing. Optionally the primary seal can also be actuated with a similar t-shaped ring with a temperature sensitive delay feature.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: October 20, 2015
    Assignee: Baker Hughes Incorporated
    Inventor: Sibu Varghese
  • Spring carrier and removable seal carrier
    Patent number: 9163522
    Abstract: A seal assembly includes a seal support, a spring carrier, a plurality of springs, and a seal carrier. The spring carrier is connected to the seal support by a guide assembly. The plurality of springs are disposed between the seal support and the spring carrier. The seal carrier is connected to the spring carrier and is removable therefrom.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: October 20, 2015
    Assignee: United Technologies Corporation
    Inventors: Todd A. Davis, David Joseph Hierl
  • Enhanced backup ring features for metal face seal in roller cone drill bits
    Patent number: 9157280
    Abstract: A backup ring for a face seal in a roller cone bit is configured to resist wear from drilling fluids present adjacent exposed faces of the backup ring. Portions are removed from an exposed end face in a variety of shapes while the hardness of the material is increased. The removal of material offsets an increase in force that would be transmitted through the backup ring on face seal assembly due to flexing. A spring can optionally be included in the removed material location. Another way is to increase the edge density of all or part of the exposed edges while leaving the interior portions unaffected by using electron beam radiation to increase the crosslink density or by other techniques that allow a unitary structure with a more durable edge region.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: October 13, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Chih Lin, Terry J. Koltermann, Anton F. Zahradnik, Alejandro Flores, Gregory L. Ricks
  • Sealing device and sealing structure
    Patent number: 9157530
    Abstract: The sealing device includes: an outer peripheral ring 2000 that is in contact with a side wall surface of an annular groove 4100 at a low pressure side (L), and slides with respect to an inner peripheral surface of a shaft hole in a housing 5000 through which a shaft 4000 is inserted. An inner peripheral ring 3000 made of a rubber-like elastic body that is in contact with an inner peripheral surface of the outer peripheral ring 2000 and a groove bottom surface of the annular groove 4100, respectively. The outer peripheral ring 2000 is formed on its outer peripheral surface with a concave portion 2220 which extends from an end of a high pressure side (H) to a position which does not arrive at an end of a low pressure side, so as to introduce fluid thereinto from the high pressure side.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: October 13, 2015
    Assignee: NOK CORPORATION
    Inventors: Kazunari Seki, Koji Watanabe, Wataru Tokunaga, Yuki Takao, Fangman Xu, Hirotaka Mizuta, Keisuke Nakashima, Takuya Igawa, Yusuke Yoshida, Hideya Watanabe, Yosuke Kondo
  • Brush-type circular seal
    Patent number: 9157531
    Abstract: The seal comprises a casing made of two portions (1, 2) crimped into one another with an accurate hermetic position adjustment at interfaces (15, 6b) and a composite structure comprising inside the casing an advantageously flexible and resilient core (24) and a winding (20) of brush bristles. This structure directly extends facing internal faces (9, 10) facing each other in the casing, which compresses the same and has an arcuate shape having a slightly higher radius of curvature. The composite structure is held at an accurate position, firmly but free of constraint.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: October 13, 2015
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, TECHNETICS GROUP FRANCE SAS
    Inventors: Laurent Guimet, Frédéric Sauvinet, Olivier Constant, Philippe Reynaud, Christophe Mengelle, Michel Lefrancois
  • Sliding parts
    Patent number: 9151390
    Abstract: Sliding parts are provided wherein a plurality of pumping areas for generating pumping action via the relative rotational sliding of a stationary ring and a rotating ring is discontinuously formed in a circumferential direction on a sealing face of one of the stationary ring and rotating ring so as to communicate with a sealed fluid-containing space. The pumping areas are provided with intake pumping areas operating in a direction in which the sealed fluid is drawn in and outflow pumping areas operating in a direction in which the sealed fluid is expelled. A plurality of dynamic pressure-generating grooves for generating dynamic pressure via the relative rotational sliding of the stationary ring and the rotating ring are formed in a circumferential direction on a sealing face of the other of the stationary ring and the rotating ring so as to communicate with the sealed fluid-containing space.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: October 6, 2015
    Assignee: EAGLE INDUSTRY CO., LTD.
    Inventors: Takeshi Hosoe, Hideyuki Inoue
  • Sliding component
    Patent number: 9151389
    Abstract: A sliding component is characterized in that: with respect to a pair of sliding parts that slide relative to each other, one sealing face has a fluid circulation groove including an inlet through which fluid enters from the high-pressure fluid side, an outlet through which fluid is released to the high-pressure fluid side, and a communicating part through which the inlet and outlet communicate with each other; wherein the fluid circulation groove is isolated from the low-pressure fluid side by a land, a positive-pressure generation mechanism is provided in the area surrounded by the fluid circulation groove and high-pressure fluid side, and the positive-pressure generation mechanism communicates with the inlet and is isolated from the outlet and high-pressure fluid side by a land.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: October 6, 2015
    Assignee: EAGLE INDUSTRY CO., LTD.
    Inventor: Masatoshi Itadani
  • Labyrinth seal having labyrinth rings with different wear resistances
    Patent number: 9151391
    Abstract: A labyrinth seal includes a first labyrinth ring and a second labyrinth ring. In an installed state of the labyrinth seal, the first labyrinth ring and the second labyrinth ring engage in each other in an at least partially overlapping manner and are rotatable relative to each other. Furthermore, in the installed state, mutually-opposing surfaces of the first and of the second labyrinth ring have different wear resistances.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: October 6, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Andreas Kern-Trautmann, Mathias Seuberling