| Patent Number |
Title Of Patent |
Date Issued |
| 6221515 |
Bimetallic strip for a sliding bearing and process for producing said bimetallic strip |
April 24, 2001 |
| A bimetallic strip for a sliding bearing having a sliding strip of an aluminum alloy which is adhered to a steel supporting strip and method of manufacture. The composition of the sliding strip is from 3 to 30% of tin; from 1 to 6% of silicon and the remainder being of aluminum and i |
| 6112715 |
Piston for an internal combustion engine |
September 5, 2000 |
| A piston which has a diameter of about 70 to about 100 mm and which is preferably produced with a resistant, malleable alloy having low density (lower than about 3 g/cm.sup.3) and mechanical properties at high temperatures such that a yield stress greater than about 120 Mpa at temper |
| 5628577 |
Wrist pin for a two-piece piston |
May 13, 1997 |
| Wrist pin for a two-piece piston, having a cylindrical external surface (41) and an internal surface with an internal diameter, throughout the length of the pin (40). The end portions of the pin have a reduced internal wall thickness between the outer half of the supporting face of t |
| 5588351 |
Head for two piece articulated piston |
December 31, 1996 |
| A two-piece, or articulated, piston head for internal combustion engines having top and pin boss portions in which the underside of the top portion is provided with a groove whose inner wall is eccentric in relation to the longitudinal axis; of the top and the upper side of the top porti |
| 5560334 |
Piston with a reinforcing insert |
October 1, 1996 |
| Piston with a reinforcing insert, presenting a top face (11) with a recessed combustion chamber (12) provided with a lateral peripheral wall, defined by the annular insert (20), which presents an internal end face (24) with a radial extension (d.sub.1) that is substantially smaller than |
| 5394788 |
Head for articulated piston |
March 7, 1995 |
| A cooled piston head and method of manufacture, the piston head having a closed cooling chamber. In one embodiment, the piston head is formed of a top member, an intermediate member and a pin boss member joined to each other preferably by welding; the top and intermediate members are pro |
| 5359922 |
Head of two welded parts for two-piece articulated piston |
November 1, 1994 |
| A method to manufacture an articulated piston head wherein the two portions composing the head, i.e. the top portion and the pin boss portion, are formed separately from blanks of forged or cast chromium-molybdenum steel or a low alloy steel, subjected to preliminary machining operations |
| 5317958 |
Head for a two piece articulated piston |
June 7, 1994 |
| A method for the manufacture of a cooled piston head in which the upper and lower portions of the piston head are made separately a metal plate is placed on the lower side of the upper portion; then the upper portion incorporating the metal plate is joined to the lower portion by frictio |
| 5309818 |
Method for the manufacture of a cooled piston |
May 10, 1994 |
| A cooled piston head and method of manufacture, the piston head having a closed cooling chamber. In one embodiment, the piston head is formed of a top member, an intermediate member and a pin boss member joined to each other preferably by welding; the top and intermediate members are pro |
| 5284393 |
Sliding bearing |
February 8, 1994 |
| A sliding bearing (10) having an inner surface (13a) provided with at least one circumferential recess (15, 16) extending over a portion of the axial dimensions of the inner surface (13).The recess (15, 16) is located over one portion of the inner surface (13a) which is subjected to a pe |
| 5245752 |
Method of manufacturing a two piece piston |
September 21, 1993 |
| A two-piece, or articulated, piston head for internal combustion engines and the method for obtaining same. The top and pin boss portions composing the head are obtained separately from blanks; the underside of the top portion is provided with a groove whose inner wall is eccentric in |
| 5230148 |
Method for the manufacture of a cooled engine piston head |
July 27, 1993 |
| A method for the manufacture of a cooled piston head in which the upper and lower portions of the piston head are made separately; a metal plate is placed on the lower side of the upper portion; the upper portion incorporating the metal plate is joined to the lower portion by friction |
| 5207147 |
Method for the manufacture of a piston head having a cooling chamber and piston head obtained fr |
May 4, 1993 |
| A method for the manufacture of a piston head having a cooling chamber is disclosed. The two portions composing the piston head are made separately; the underside of the upper portion is provided with a circumferential peripheral groove; notches are provided on both sides of the open end |
| 5181785 |
Sleeve bearing |
January 26, 1993 |
| A bearing halfshell for internal combustion engine connecting rods with its inner surface having a substantially constant radius of curvature from a central plane of symmetry to two portions of the inner surface located one on each side of the central plane of symmetry and on a correspon |
| 5150517 |
Method of manufacturing a piston |
September 29, 1992 |
| A method to manufacture an articulated piston head wherein the two portions composing the head, i.e. the top portion and the pin boss portion, are formed separately from blanks of forged or cast chromium-molybdenum steel or a low alloy steel, subjected to preliminary machining operations |
| 5144923 |
Method for the manufacture of a two piece piston and piston |
September 8, 1992 |
| Piston tops (1, 70), specially those provided with combustion chamber (2, 20) and ring zone (3, 30) have their cooling condition sensibly improved in such regions due to a better use of the cooling oil capacity by closing the cooling chamber (5, 50) and the region 2I under the combustion |
| 5065508 |
Two-piece piston and method of manufacturing the same |
November 19, 1991 |
| A method for the manufacture of a two-piece piston wherein the top portion and the pin boss portion, which define the piston head, are fabricated separately by cold or hot forming, casting or sintering, and joined together by welding such as, for instance, friction welding. The top p |
| 5056936 |
Multilayer plain bearing |
October 15, 1991 |
| A multilayer plain bearing composed of a backing layer, an intermediate layer and a diffusion or bonding layer, and a sliding layer, the sliding layer being of a laminate structure formed by the alternate deposition of layers of a softer material and layers of a harder material. |
