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WO/1999/006723A1 |
Bearing shells are inserted into the connecting rod eyes of connecting rods in internal combustion engines. The insertion of the bearing shells increases the complexity of the production process which can lead to errors being made. The a...
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WO/1999/006170A1 |
The invention relates to a device for fracture-separating an annular piece, such as a connecting rod (2). This connecting rod (2) has one stationary and one mobile expandable jaw (8, 10), for inserting into the borehole formed by the ann...
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WO/1999/005339A1 |
When plain bearings are producing by thermal coating the coating flame also results in oxidation of a part of the coating material. To reduce this oxide formation and especially to lower the formation of oxide clusters the burner flame h...
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WO/1999/005423A1 |
Bearing shells are inserted into the connecting-rod eyes of connecting rods used in internal combustion engines. The fitting of bearing shells constitutes a production step which is a potential source of defects. The aim of the new metho...
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WO/1999/005424A1 |
Bearing shells are inserted into the connecting-rod eyes of connecting rods used in internal combustion engines. The fitting of bearing shells constitutes a production step which is a potential source of defects. The aim of the new metho...
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WO/1998/033616A1 |
The invention relates to a method for separating by breaking a crankcase having a bearing bore with a plurality of bearing sections arranged coaxially one behind the other. According to the invention, a spreading device is introduced int...
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WO/1998/032554A1 |
A process is disclosed for manufacturing flat bearing shells. A strip of material (2) is cut into bearing shell sections (26), these sections are bent into a semicircular shape, and the outer and inner faces (88, 58), as well as parting ...
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WO/1998/028532A1 |
The cylinder block of a V-engine consist of two cylinder banks (2, 3) and the top half of a crankcase (1) which form a single cast part. The top half of the crankcase has level contact surfaces (15) for connecting the end shields (8) sup...
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WO/1998/024584A1 |
A method of manufacturing a component formed of parts capable of being separated for reassembly around another component. The process starts by taking separated, e.g., rod (3) and cap (5), forgings and coining or forging them together pr...
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WO/1998/016339A1 |
The present invention concerns a method of producing powder-metallurgical compacted components, which during subsequent processing are split into individual parts mating in pairs, sintered and optionally heat-treated and remated. Accordi...
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WO/1998/009752A1 |
The invention concerns a method for producing a sintered metal part, specially a connecting rod or a filter. Said method is used to form a green compact from a sinterable powder containing binders in a basic forming process having at lea...
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WO/1998/005878A1 |
The invention describes a bearing shell (10) with at least one retaining cam (30) which, when looking down on the partial surface (20) of the bearing shell (10), has a rectangular external contour line and an indentation (13) on the insi...
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WO/1998/002325A1 |
High-powered powertrain of an electric car for boosting a motor output so as to operate a large-capacity generator and to drive car wheels comprises: traction pulleys (11, 11') and drive members (28, 28') of clutches (27, 27') mounted fr...
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WO/1997/045649A1 |
The subject invention refers to a crankshaft bearing system (1) for an internal combustion engine, in which the engine's crankshaft (15) is mounted in permanently lubricated sealed bearings (2, 3), usually ball bearings (2, 3), and the e...
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WO/1997/042424A1 |
A bearing cap (10, 110, 210, 310, 410, 510) made from sintered powder metal has integrally formed tapered bosses (40, 140, 240, 340, 440, 540) surrounding its bolt holes (26, 126, 226, 326, 426, 526) which extend into counterbores (L) in...
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WO/1997/036112A1 |
The invention relates to a laminated composite material, and a method of improving the surface hardness of laminated composite materials, selected regions of the carrier material of the laminated composite system being treated with high-...
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WO/1997/022430A1 |
The invention relates to a method for forming a cracking site for fracture separation of a component, in particular a connecting rod for internal combustion engines. During said method, there is formed, in a fracture separation plane for...
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WO/1997/022812A1 |
A process is disclosed for manufacturing a cast machine part with a multiple-part bearing assembly formed by fracture and provided for that purpose with diametrically opposed fracture notches or recesses (7) shaped in the bearing bore du...
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WO/1997/015695A1 |
A copper-base material for sliding bearings, which is highly resistant to burning through containing no Pb. To make its overlay coating thin, the material contains 0.1 to 2 % Ag, 1 to 10 % Sn and the balance consisting of Cu and unavoida...
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WO/1997/008467A1 |
In a connecting rod with a split big-end, the unmachined part is a preferably aluminium die-casting in which notches (notches 13, 15) are made along the subsequent line of separation. The big-end (5) is separated substantially along the ...
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WO/1997/001042A1 |
A coiled spring system taking advantage at a maximum level of the pressure occurring within the cylinder which extends the momentum arm, for the internal and external combustion engines with piston including those with spark-plug ignitio...
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WO/1996/040469A1 |
A method of manufacturing a component formed of parts capable of being separated for reassembly around another component. The process starts by taking separate, e.g., rod (3, 3') and cap (5, 5') forgings and coining or forging them toget...
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WO/1996/024458A1 |
The invention concerns a method of fracture-separating a metal workpiece, a device for carrying out the said method, and a workpiece (1) to which the method can be applied, i.e. one in which the course of the break plane is indicated by ...
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WO/1996/015382A1 |
A plain bearing comprises a metal backing, a bearing lining formed from an alloy based on aluminium or on copper, and an overlay either directly plated on to the bearing lining, or plated on to an interlayer which is itself plated on to ...
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WO/1996/004485A1 |
A connecting rod (1) is provided at both ends with eyes (2, 3) in which are arranged bearings for the crankshaft or for joining to the piston pin. At least one of the bearings is exclusively formed by the hardened and tempered and/or coa...
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WO/1995/034853A1 |
A flashless metal connecting rod of the type having a one-piece construction and being fracturable into a cap portion (22) and a body portion (20) is produced by providing a precise preform (32) of predetermined dimensions and a precise ...
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WO/1995/028248A1 |
For a device for the breaking separation of bearing caps of aligned bearing bores in bearing systems of a part of an engine comprising a somewhat semicircular profiled separator guided and acting centrally on a bearing cap in the bearing...
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WO/1995/028573A1 |
For a process for the breaking separation of the bearing cap of a multi-part bearing arrangement, especially in internal combustion engine crank-cases by means of a half-mandrel in a bearing bore (20) partly bounded by the bearing cap (4...
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WO/1995/027857A1 |
In order to take account of dimensional variations in crankcases and connecting rods, the lower bearing shell (9) in the unmounted state is formed such that the outer contour is in the shape of an arc having a radius ra and the inner con...
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WO/1995/025905A1 |
Ridges (4b) extending in the circumferential direction are formed on a bearing alloy layer (4) constituting a sliding bearing (2), and let (W) equal a shape error based on manufacturing errors and assembling errors of a rotary shaft (3) ...
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WO/1995/025904A1 |
A sliding bearing (1) is provided in the whole axial area of its slide contacting surface (1A) with helical grooves (1B), and the height of ridges (1a) of the helical grooves (1B) is set as follows: an imaginary reference line (L) parall...
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WO/1995/025906A1 |
A slide contacting surface (1A) of a sliding bearing (1) has ridges (1a) extending continuously and helically at a predetermined pitch p. The roughness h of the slide contacting surface (1A) including the ridges (1a) is set not more than...
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WO/1994/025768A1 |
Axial bearing for reciprocating hermetic compressors, of the type including: a hermetic shell (1), in which inside is mounted a cylinder block (3), provided with a main bearing (6), which carries, at its upper portion, an axial bearing (...
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WO/1994/020765A1 |
The invention relates to a process for producing a component (11) with at least one divided bearing surface (20), partly on a bearing cap (18) and partly on the component (13), for rolling elements. In the process, a casting of a materia...
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WO/1994/018463A1 |
The invention pertains to a process for producing a component (1) from a preform, wherein the component has at least one two-piece bearing seat formed by a bearing cap (18), in which process the bearing cap (18) is separated from the pre...
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WO/1994/015737A1 |
Method of manufacturing, in one piece, forged connecting rods, said method comprising cutting of blanks from a bar. Each blank is worked in several steps, until it assumes its final shape. During the various working steps, a groove made ...
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WO/1994/005532A1 |
A process and device are disclosed for axially securing a windshield wiper shaft (3) in its bearing housing (2). The section (11) of the shaft which projects beyond the bearing housing (2) is provided with a ring groove (14) and plastic ...
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WO/1994/004836A1 |
In order to increase the service life of a bearing for a shaft (1) or axle (1a) whose main radial load lies in a stationary angular area with respect to the bore (2) of the bearing which receives the shaft (1) or the axle (1a), whereas a...
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WO/1993/016831A1 |
Sintered components consisting of at least two individual parts are produced by a process in which the component is pressed from powder, sintered, cooled and separated into its individual parts. Such a component may especially be a conne...
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WO/1993/015329A1 |
A bearing split outer ring (40) for mounting in a bearing housing (12), the split outer ring (40) having a first-portion (44) subtending somewhat more than 180 degrees of arc and a second portion (42) subtending somewhat less than 180 de...
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WO/1993/013324A1 |
A flanged half bearing (10; 50) comprises a shell portion (12; 52) which provides a bearing surface (14; 54) against which a shaft can rotate. A flange portion (16, 18; 56, 58) of the bearing provides a thrust surface (20, 22; 60, 62) to...
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WO/1993/012350A1 |
A split crankshaft bearing assembly includes two flanged half bearings (17, 19) adapted to collectively encircle a crankshaft (13). The flanges are formed with oil supply grooves (49) that subdivide the flange surface into thrust bearing...
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WO/1992/018782A1 |
The invention provides a slide bearing for crank shafts of internal combustion engines, in particular, engines of automative vehicles. To achieve a defined lubricating film between slide bearing and crank shaft at manufacturing costs red...
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WO/1992/014940A1 |
A bearing housing assembly comprising a generally U-shaped casing (12); a cap (13) which fits into and cooperates with the casing to define a bearing housing; and bolts (15) to hold the casing and the cap together. The cap (13) is a clea...
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WO/1992/014920A1 |
A multi-cylinder two stroke cycle internal combustion engine of known construction having an individual crankcase compartment for each cylinder (11) formed in a crankcase (12), said crankcase (12) including a wall (25, 26) separating two...
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WO/1992/014069A1 |
In a crosshead for a two-stroke piston engine in which the lower part (2) of the crosshead is coated with bearing metal (6), a coating (8) for use as sliding layer for the journal surface of the crosshead pin is galvanically deposited di...
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WO/1992/007200A1 |
A connecting rod (1) for an automobile for performing an eccentric push toward a rimside (21) of a crankshaft (2) in a rotational direction in an expansion stroke at the top dead center comprises: a plain bearing housing (6) being formed...
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WO/1991/002177A1 |
The invention relates to the bedding of the crankshaft (9) of an internal combustion engine in the region of the flywheel. To prevent stress and the resultant bending strains in the crankshaft (9) due to the weight of the flywheel mass, ...
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WO/1990/004725A1 |
In an internal combustion engine having two or more coplanar cylinders radially disposed about a crankshaft, a crankshaft journal bearing arrangement in which the big ends (13) of the connecting rods are each formed as segments of a cont...
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WO/1989/012760A1 |
A structure for connecting together a crankshaft (1) rotating in a crank case in an engine and a connecting rod (5) connected at its one end (6) to the crankshaft (1) via a bearing (7) and at the other end to a piston (13) moving recipro...
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