TH147809A - Turbocharger bearing structure - Google Patents

Abstract

------ 10/05/2018 ------ (OCR) ------------ New and updated requests The turbocharger (1) will be combined with the bearing housing (2) in which the cylindrical semi-floating bearing (4) will be fitted with a contact wall (3a) opposite the end face (4a). ) Of the semi-floating bearing (4) is formed on the rotating shaft (3) of the turbocharger (1) through which the semi-floating bearing (4) overhang (15) protrudes from the end face (4a. ) Towards the exposed wall (3a) are arranged in a ring. Along the perimeter direction of the semi-floating bearing (4), moreover, the cut-off part (16) is fixed on the butt of the overhang (15) in order to connect the front along the circumference. Inside of a semi-floating bearing (4) with the front along the outer circumference that

Claims (8)

(All) rights which will not appear on the advertisement page: Edit 03/04/2017 1. Bearing structure for turbochargers, turbochargers including: cylindrical semi-floating bearings. And was installed in the bearing housing; And a rotating shaft that passes through the semi-floating bearing, the rotating shaft will receive a rotational support by Semi-floating bearing, bearing structure which includes: the contact wall arranged on the rotating shaft, the contact wall opposite the end of the Semi-floating bearings in the axial direction of semi-floating bearings; And at least one overhang that extends from at least one of the exposed wall or face The end of the semi-floating bearing leads to the other end of the contact wall or the end face of the semi-floating bearing, at least one overhang that is arranged in an annular direction along the perimeter of the bearing. Semi-floating bearing, and at least one overhang, including the cut-out part that has been formed to connect. The front along the internal circumference of the semi-floating bearing and the front along the outer circumference of the semi-floating bearing, where at least one overhang consists of the first overhang and the second overhang, the first overhang. From the end face of the semi-floating bearing to the contact wall, and the overhang The second extends from the contact wall of the rotating shaft to the end face of the semi-floating bearing, the cut-off portion is arranged on the butt of the first protrusion, the bearing housing has a vent hole, and The cut-out part is fixed only in the position corresponding to the vent. 2. The bearing structure according to claim 1, where the cut-off section is arranged at the section First overhang bottom ------------------- New and updated requests 1. Bearing structures for turbochargers (1), turbochargers (1), which include: semi-floating bearings (4) that are cylindrical and installed in the bearing housings (2); And the rotating shaft (3) that passes through the semi-floating bearing (4), the rotating shaft (3) receives a rotatable support. By semi-floating bearings (4), the bearing structure is characterized by a combination of: contact wall (3a) to be arranged on the rotating shaft. (3), the contact wall (3a), which is opposite the end face (4a) of the semi-floating bearing (4) in the axial direction of the semi-floating bearing (4); and the overhang (15,17,19). Extending from at least one of the contact wall (3a) or the end face (4a) of the semi-floating bearing (4) to the other end of the contact (3a) or the end face (4a) of the bearing. Semi-floating (4), overhang (15,17,19) are arranged as a ring in the perimeter direction. Of semi-floating bearings (4), and overhangs (15,17,19), which are combined with cut-out sections (16,18) that are formed to connect the front along the internal circumference of the semi-floating bearing (4) with the front following. circumference The exterior of the semi-floating bearing 2. The bearing structure according to the claim No. 1, It is characterized in such that the protrusion (15,19) extends from the end face (4a) of the semi-floating bearing (4) to the contact wall (3a). 3. The bearing structure according to the claim No. 2, which is unique in that manner The cut-off portion (16) is fixed on the butt of the overhang (15, 19). 4. The bearing structure according to the claim No. 1, It is unique in that the protrusion (17) extends from the contact wall (3a) of the rotating shaft (3) to the end face (4a) of the semi-floating bearing (4). 5. The bearing structure according to the claim No. 1, It is characterized in such that the protrusion (17,19) extends from the end face (4a) of the semi-floating bearing (4) to the contact wall (3a) and the overhang (17,19) will Extends from the contact wall (3a) of the rotating shaft (3) to the end face (4a) of the semi-floating bearing (4). 6. The bearing structure according to claim 4 or 5, which is unique in that manner The cut-off portion (18) is fixed at the bottom of the overhang (17,19). 7.Bearing structures according to any of the clauses 1 to 6, which are unique. In such a way that The bearing housing (2) has a vent hole (13) and a cutout (16, 18) is held at Location which corresponds to the drain hole (13). 8. The bearing structure according to the claim No. 7, which is unique in that manner The cut-off portion (16,18) is arranged at the lowest bottom of the overhang (15,17,19).