Patents Assigned to Kolbenschmidt Aktiengesellschaft
  • Patent number: 5908709
    Abstract: A material for sliding surface bearings comprises a backing layer of steel and a clad-on layer made of an aluminum-base bearing material. To increase the fatigue limit the material 2 for sliding surface bearings has been heat-treated at 200 to 220.degree. C. for 2 to 12 hours and the bearing material is composed of14 to 18% by weight tin,1.7 to 2.3% by weight copper,balance aluminum.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: June 1, 1999
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Klaus Deicke, Harald Pfestorf, Werner Schubert, Thomas Steffens
  • Patent number: 5836699
    Abstract: A roll-formed sliding surface bearing bushing is circular in an installed state and has a butt joint which extends throughout the width of the bushing and is closed in an installed state. To ensure a backlash-free bearing arrangement, the bushing has on its outside peripheral surface a trapezoidal profile, which includes an angle of 1.degree. to 30.degree. with the plane which contains the longitudinal axis of the bushing.
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: November 17, 1998
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Karl Back, Karl Becker, Wolfgang Bickle, Thomas Storch
  • Patent number: 5778846
    Abstract: In a piston head of a multiple component piston for internal combustion engines, the piston floor continues radially outwards into the ring section which is provided with the piston ring grooves, the supports which carry the hubs are arranged at a distance from the inner face of the ring section and the piston pin which bears the piston shaft can be mounted in the bores of the piston pin boss. An improved manufacture of the piston head is ensured by connecting the ring section with the piston floor via a weld, solder, friction or positive locking joint.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: July 14, 1998
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventor: Siegfried Mielke
  • Patent number: 5766778
    Abstract: A material for sliding surface bearings comprising a layer of a wrought copper-zinc alloy of thickness of about 0.1 to 1.5 mm inseparably joined to a backing layer of steel or stainless steel. A co-rolled joining strip of copper may be between the two layers.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: June 16, 1998
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Klaus Deicke, Werner Schubert, Manfred Muller
  • Patent number: 5716144
    Abstract: A sliding surface bearing for two components of a planar swivel joint for doors and flaps, which are contacting each other and are connected by a bolt, consists of a sliding material clamped into the bore of a component with press fit. To avoid the abrasion of lacquer a collar bushing is provided on both sides of the bore.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: February 10, 1998
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Wolfgang Bickle, Manfred Muller, Thomas Storch, Herbert Rubel
  • Patent number: 5629082
    Abstract: A multilayer material for sliding surface bearings comprises a metal backing layer, a sintered porous bearing layer of a bearing metal, and a low-friction layer consisting of a mixture of PTFE and 5 to 30% by volume metal filler, and fills also the pores of the bearing layer. To reduce the wear the mixture of PTFE and metal filler contains also 5 to 40% by volume PVDF.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: May 13, 1997
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Hans-Paul Baureis, Werner Schubert, Manfred Muller
  • Patent number: 5527062
    Abstract: An air bag apparatus for impact protection in motor vehicles comprises a unit, which is adapted to be installed so as to be concealed behind an exit opening provided in the front part of the passenger compartment and comprises an air bag, a gas generator, and a housing, which accommodates the air bag and the gas generator. To protect the air bag the opening in the housing is closed by a film which is attached to the outside surface of the housing.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: June 18, 1996
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventor: Martin Kreuzer
  • Patent number: 5498911
    Abstract: In an apparatus for transmitting electric power and data between the vehicle side and the steering wheel side of a motor vehicle, a transformer is used, which comprises a stationary primary coil on the vehicle side and a secondary coil, which is provided on the steering wheel side and is non-rotatably connected to the steering shaft. Data are transmitted by a capacitor, which comprises stationary conductor strips which are provided on the vehicle side and surround the steering column and conductor strips which are provided on the steering wheel side and register with the stationary conductor strips and surround and are non-rotatably connected to the steering shaft.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: March 12, 1996
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Hans J. Bossler, Martin Kreuzer
  • Patent number: 5445048
    Abstract: In order to impart an adequate functional stiffness to a steering wheel comprising an injection-molded skeleton made of partly crystalline thermoplastic plastic, the skeleton of the steering wheel has a press-stretched structure.
    Type: Grant
    Filed: July 30, 1993
    Date of Patent: August 29, 1995
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Helmut Kaufer, Maximiliam Grimm, Martin Kreuzer
  • Patent number: 5204043
    Abstract: A method of manufacturing a steering wheel, in which a coating layer is molded of a synthetic resin, by using a molding die unit, on at least the annular portion of a steering wheel core including a boss. The annular portion is located around the boss and has a groove extending in the circumferential direction thereof. Spokes couple the boss and the annular portion to each other. The method includes a die opening step in which an upper molding die and a lower molding die, which have a gate formed at the separation surfaces of the dies and communicating with the molding cavity of the die unit, are opened from each other.
    Type: Grant
    Filed: February 6, 1992
    Date of Patent: April 20, 1993
    Assignees: Toyoda Gosei Co., Ltd., Kolbenschmidt Aktiengesellschaft
    Inventors: Toru Abiko, Katunobu Sakane, Mitsuru Harata, Hiroshi Yasuda
  • Patent number: 5178408
    Abstract: In an automotive vehicle provided with an inflatable gas bag for protection of an occupant in the event of collision, the improvement wherein the bag is made of a plain-weave woven fabric of synthetic threads and having a top and a bottom, the woven fabric having a sett of 16 to 23 threads per cm, its threads having a denier of at most 470 dtex, low-shrinkage threads being in the bottom of the gas bag and extensive thread being in the top of the gas bag.
    Type: Grant
    Filed: April 22, 1991
    Date of Patent: January 12, 1993
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Frank Barrenscheen, Martin Kreuzer
  • Patent number: 5178036
    Abstract: The hub and spoked of a steering wheel consist of a synthetic thermoplastic resin and just as the rim are covered with a layer of a deformable plastic. To provide a steering wheel which is light in weight and has a high temperature stability, the hub and spokes consist of a polyamide which has been modified with elastomers and fibers.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: January 12, 1993
    Assignees: Kolbenschmidt Aktiengesellschaft, Audi Aktiengesellschaft
    Inventors: Hans G. Haldenwanger, Herwig Reim, Klaus Bieber, Harmut Kersten, Klaus Grothe, Martin Kreuzer, Peter Hartmann
  • Patent number: 5163893
    Abstract: An apparatus and method is described for automatically folding airbags a plurality of times in stages of predetermined width. Both longitudinal and lateral folds may be accomplished. A plurality of inward and outward folding bars are automatically positioned relative to the airbag and transferred to interleaving positions to fold the airbag.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: November 17, 1992
    Assignees: Toyoda Gosei Co., Ltd., Kolbenschmidt Aktiengesellschaft
    Inventors: Noboru Hara, Hiroshi Miyajima, Hisayasu Sugita, Hirohisa Yokoyama
  • Patent number: 5146883
    Abstract: In a piston and connecting rod assembly for internal combustion engines, which assembly comprises a spherical small end portion, which is movably mounted in a recess of the piston head and in a retaining ring and which is connected to the skirt of the piston, the load-carrying capacity of the piston, which consists of a pressure-cast aluminum alloy, is increased in that the piston is reinforced by fibers, and a ring carrier which has open pores and is embedded in the ring-carrying portion and is connected thereto by a metallic bond, and a collar serving as an abutment for the retaining ring is integrally cast with the piston skirt on the inside thereof.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: September 15, 1992
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Peter Reipert, Arno Kolb, Siegfried Mielke, Tjark Coners, Dean Reichenbach
  • Patent number: 5131356
    Abstract: In a cast linerless single cylinder or multicylinder block made of an aluminum alloy and intended for use in internal combustion engines, the aluminum matrix contains embedded silicon particles, which protrude from the sliding surface of the cylinder. In order to distinctly reduce the cost of the mechanical machining of the entire surface of the single cylinder or multicylinder block, only the sliding surface of the cylinder is constituted by a fibrous body which contains interspersed silicon particles and infiltrated aluminum alloy.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: July 21, 1992
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Georg Sick, Peter Everwin, Hans H. Duve
  • Patent number: 5119777
    Abstract: In a pressure-diecast light alloy piston, a ring carrier made of a metallic material having pores filled by the piston materials is embedded in the piston casting adjacent to the first ring groove. In order to provide a strong joint to the piston base body, the ring carrier consists of cold-compacted chips of austenitic cast iron and there is a metallic bond between the chips and the piston material.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: June 9, 1992
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Stegfried Mielke, Wolfgang Henning
  • Patent number: 5097720
    Abstract: In order to have a sufficiently large elongation at fracture in conjunction with high strength values, a pressure-diecast steering wheel skeleton consists of an aluminum alloy which is composed of______________________________________ 2.5 to 3.5 % by weight magnesium 0.10 to 0.30 % by weight silicon 0.40 to 0.60 % by weight iron 0.25 to 0.45 % by weight manganese 0.015 to 0.05 % by weight copper 0.035 to 0.085 % by weight zinc balance aluminum.
    Type: Grant
    Filed: August 10, 1990
    Date of Patent: March 24, 1992
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventor: Klaus Drefahl
  • Patent number: 5092289
    Abstract: In a light alloy piston for use in diesel engines for an indirect fuel injection, a body of fibrous material is embedded in the cast piston head and is formed with a shallow combustion recess. In order to improve the conduction of heat outside the portion formed with the combustion recess, the body of fibrous material has a larger height on the side that is formed with the combustion recess than in the remaining portion of the piston head.
    Type: Grant
    Filed: May 15, 1991
    Date of Patent: March 3, 1992
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Gerhard Bloschies, Siegfried Mielke
  • Patent number: 5085463
    Abstract: The gas bag apparatus for protection against impact is adapted to be integrated in the steering wheel or instrument board of motor vehicles end consists of the collapsed gas bag, the bowl-shaped generator carrier, which is connected to the gas bag and accommodates the solid-fuel-operated gas generator, and the covering, which is made of elastic plastic and covers the gas bag and is clipped to the generator carrier. In order to reduce the weight the generator carrier consists of thermoplastic which is reinforced with glass mats.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: February 4, 1992
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventor: Martin Kreuzer
  • Patent number: 5073213
    Abstract: In order to ensure in sliding surface bearings a uniform distribution of the load over the bearing metal layer, a phosphate layer serving as a sliding layer has been applied to the bearing metal layer.In order to ensure a high resistantce to scuffing, the sliding layer is formed from an aqueous phosphating solution which contains 1.5 to 5.0 g/l Zn, 12 to 24 g/l Na, 11 to 22 g/l P.sub.2 O.sub.5, 17 to 33 g/l 16 to 30 g/l BF.sub.4, 20 to 39 g/l B(OH).sub.3 and 1.0 to 6.0 g/l NaF.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: December 17, 1991
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventor: Harald Pfestorf