| 摘要 |
<p>1. Device for the circulation of a lubricant in a lubrication circuit of an internal combustion engine comprising a gear pump having a body (2) mounted on a part (1) of the engine along a plane face (18) of said part to which lead at least two channels (20) of the lubrication circuit, the body (2) enclosing a chamber (3) comprising two intersecting bore holes (4, 5), with parallel axes, in each of which a gear (8, 9) is rotatably mounted about the axis of the bore holes (4, 5) and two medial zones (6, 7), cutting the bore holes (4, 5) on both sides of the gears (8, 9) near where they intersect, said boreholes each opening into the extension of a lubrication circuit (20), at the level of the plane surface (18) of the motor part (1) forming a face limiting the chamber (3) perpendicular to the axes of the bore holes (4, 5), one of the gears (8) being linked to a rotating traction mechanism (10, 14, 15), and engaging with the second gear (9), characterized in that the engine part (1) comprises a blind hole (17), the bottom of which (18) forms the plane surface onto which open the lubrication channels (20), and that the body (2) of the pump comprises a part (21) limited externally by a cylindrical surface surrounding the chamber (3), the axis of which is parallel to the axes of the bore holes (4, 5) of the chamber, said part (21) being accommodated in the blind hole (17) of the engine part (1), in close contact with said hole (17), in a continuous zone surrounding the chamber (3), the mounting of the body (2) of the pump on the engine part (1) being secured by screws (28) extending through the cylindrical part (21) in the axial direction and being held in tapped holes of the engine part (1).</p> |
