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| Number | Title | Issue Date |
| 5908709 | Material for sliding surface bearings 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° C. fo... | 06/01/1999 |
| 5836699 | Roll-formed bushing for sliding surface bearings 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 i... | 11/17/1998 |
| 5778846 | Forged or cast piston head of an oscillating shaft piston 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 distanc... | 07/14/1998 |
| 5766778 | Material for sliding surface bearings 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 lay... | 06/16/1998 |
| 5716144 | Sliding surface bearing 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 abrasi... | 02/10/1998 |
| 5629082 | Multilayer material for sliding surface bearings 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 ... | 05/13/1997 |
| 5527062 | Air bag apparatus for impact protection 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,... | 06/18/1996 |
| 5498911 | Apparatus for transmitting electric power and data in motor vehicles 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 ... | 03/12/1996 |
| 5445048 | Steering wheel 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.... | 08/29/1995 |
| 5204043 | Method of manufacturing steering wheel 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... | 04/20/1993 |
| 5178408 | Gas bag for airbag systems 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 fabri... | 01/12/1993 |
| 5178036 | Steering wheel 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 ... | 01/12/1993 |
| 5163893 | Airbag folding apparatus 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 positio... | 11/17/1992 |
| 5146883 | Piston and connecting rod assembly 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 pis... | 09/15/1992 |
| 5131356 | Single cylinder or multicylinder block 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 ... | 07/21/1992 |
| 5119777 | Light alloy piston 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 bod... | 06/09/1992 |
| 5097720 | Steering wheel skeleton 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... | 03/24/1992 |
| 5092289 | Light alloy piston 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... | 03/03/1992 |
| 5085463 | Gas bag apparatus for protection against impact 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 acc... | 02/04/1992 |
| 5073213 | Process for applying a phosphate sliding layer to a bearing metal layer 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 sli... | 12/17/1991 |
| 5063894 | Pressure-diecast light-alloy piston for internal combustion engines In a pressure-diecast light-alloy piston for internal combustion engines, which piston comprises shaped fibrous bodies which are partly embedded in at least one of the piston head, ring zone, piston pin bosses and skirt of the piston, which bodies compris... | 11/12/1991 |
| 5040646 | Component for absorbing energy A component which is to be installed for an absorption of energy with an ideal displacement-compressive force characteristic consists of a prismatic straight metal rod, which is long relative to its transverse dimensions and is adapted to inelastically bu... | 08/20/1991 |
| 5024882 | Material for use in composite sliding surface bearings and process of manufacturing the material A material for composite sliding surface bearings having a plastic sliding layer comprises a metallic backing layer and a sliding layer that is joined to the backing layer and consists of a matrix-forming fluorine-containing polymer, in which a metal powd... | 06/18/1991 |
| 5024881 | Material for use in composite sliding surface bearings and process of manufacturing the material A material for composite sliding surface bearings having a plastic sliding layer comprises a metallic backing layer and a sliding layer that is joined to the backing layer and consists of a matrix-forming fluorine-containing polymer, in which a metal powd... | 06/18/1991 |
| 5013065 | Gas bag apparatus for protection against an impact The gas bag apparatus for protection against an impact is adapted to be integrated into the steering wheel or instrument board of motor vehicles and comprises a covering, which is made of elastic plastic and connected to the carrier for a gas generator. T... | 05/07/1991 |
| 5005863 | Installable component for absorbing energy An installable component which serves to absorb energy and is intended to be used with steering wheels of motor vehicles having a steering wheel hub which is recessed from the rim of the steering wheel consists of a plurality of deformable metal rods, whi... | 04/09/1991 |
| 4987866 | Light alloy piston for internal combustion engines A light-alloy piston for internal combustion engine, is formed in the piston head with a combustion chamber recess. The stresses which are induced at the rim of the combustion chamber recess by the ignition pressure are reduced by the provision of an inwa... | 01/29/1991 |
| 4887519 | Expansion-controlled light alloy piston In expansion-controlled light alloy pistons for internal combustion engines, expansion control elements made of steel are bonded to the carrying portions of the cast skirt on the inside peripheral surface thereof and are embedded in the hubs of the piston... | 12/19/1989 |
| 4880330 | Piston pin A piston rod for pistons of reciprocating piston machines is I-shaped in cross-section. In order to effect a reduction in weight that flange of the piston rod which is nearer to the connecting rod and is enbraced as by claws by the forked and hook-shaped ... | 11/14/1989 |
| 4865467 | Roll-formed bushing for sliding surface bearings A roll-formed bushing for sliding surface bearings has no machining allowance in the bearing bore and is made of a strip section and has a butt joint that extends throughout the width of the bearing. In order to reduce the allowances of the bore diameter ... | 09/12/1989 |
| 4847135 | Composite material for sliding surface bearings In a composite material for sliding surface bearings, a rough metallic surface is provided with a polymeric matrix, which forms a friction contact or sliding layer over the rough base surface. To increase the wear resistance, the matrix contains zinc sulf... | 07/11/1989 |
| 4836695 | Composite sliding surface bearing A composite sliding surface bearing consisting of a backing layer of steel, a bearing alloy layer which consists of aluminum and has been applied to said backing layer, and a sliding surface layer which consists of zinc phosphate and has been deposited on... | 06/06/1989 |
| 4836576 | Safety steering wheel A safety steering wheel having an impact protector mounted on the hub of the steering wheel and which consists of a collapsed gas bag and a housing which contains a propellant for inflating the gas bag. The impact protector is covered by a cover hood, whi... | 06/06/1989 |
| 4831918 | Light alloy pistons with reinforcing inserts for the piston pin bores In a light alloy piston for internal combustion engines, a fibrous insert body is embedded in the cast material adjacent to each of the bosses defining the piston pin bores. In order to minimize the costs of manufacturing such piston, the fibrous body ext... | 05/23/1989 |
| 4829955 | Piston cylinder kit for internal combustion engines A piston-cylinder kit for internal combustion engines is designed for a top land clearance of 0.3 to 1.5% of the diameter of the piston. The sliding surface of the cylinder has adjacent to the combustion chamber a profiled marginal portion formed with at ... | 05/16/1989 |
| 4812367 | Material for low-maintenance sliding surface bearings A material for a low-maintenance sliding surface bearing comprises a metallic backing and on said backing a bearing layer comprising PVDF and an additive for improving the friction and sliding properties. To meet more stringent requirements regarding hygi... | 03/14/1989 |
| 4809652 | Light alloy piston In a light alloy piston each of the load-carrying skirt surfaces is divided into a plurality of load-carrying skirt surface portions. In order to ensure that the upper portion of the piston skirt will carry load on a large area even when the engine is war... | 03/07/1989 |
| 4756240 | Piston pin A piston pin with a bore extending through it. To save weight and to optimize the shape of the pin with respect to accommodating stress, the diameter of the bore is increased to 75 to 90% of the outside diameter of the piston pin and reinforcing ribs are ... | 07/12/1988 |
| 4747340 | Piston for internal combustion engines In a piston comprising a top part, which includes at least the piston head and the ring-carrying portion, and a bottom part, which is connected to the top part by suitable means, the adequate lubrication of the piston pin, which is firmly connected to the... | 05/31/1988 |
| 4739738 | Cast components for internal combustion engines with embedded reinforcing layers Light alloy components for internal combustion engines consist of castings in which reinforcing layers consisting of non-woven ceramic fibers are embedded in the stressed surface portions. In order to provide a prolonged protection against damage to the l... | 04/26/1988 |
