TH45515B - Motorized supercharger - Google Patents

Abstract

DC60 supercharger A motorized supercharger is provided with a gun bearing (30) supporting the thrust acting on the rotating turbine shaft (12). Thrust ball bearing (30) is formed by a thrust casing. (32) a small diameter disc rotating together with turbine blades and turbine side thrust bearings (34) and compressor side thrust bearings (36) blocking the movement in The axial direction of the thrust sleeve Compressor side thrust bearing (36) has a section ring. The small center (37), which includes the thrust surface in contact with the thrust casing and approximately the same diameter, and the flange section (38a), which is attached to the housing (16) in the turbine and ring sections. Small diameter and flange sections are arranged at different positions in the axial directions. A motorized supercharger is provided with a self-propelled supercharger (30) supporting the thrust acting on a rotating turbine shaft (12). (32) Small diameter disc with turbine blades and turbine side thrust bearings (34) and compressor side thrust bearings (36) blocking the movement in The axial direction of the thrust sleeve Compressor side thrust bearing (36) has a section ring. The small center (37), which includes the thrust surface in contact with the thrust casing and approximately the same diameter, and the flange section (38a), which is attached to the housing (16) in the turbine and ring sections. Small diameter and flange sections are arranged at different positions in axial directions.

Claims (3)

Disclaimers (all) that will not appear on the advertisement page: 1. A motor-driven supercharger consisting of: (A) a turbine shaft with a turbine blade at one end; (B) The driven compressor impeller rotates by the turbine shaft; (C) fixed fixed motor stator inside housing; (D) the driven motor rotor is rotated by the motor stator; and (E) a thrust bearing capable of rotating against the thrust acting on the turbine shaft, where the thrust bearing is comprised of i. A small diameter disk-shaped thrust sleeve rotating with the turbine shaft; And i i. Turbine side thrust bearing and oppressive compressor side thrust bearing. Axial movement of the casing Where the compressor side thrust bearings are positioned on one side near the compressor impeller. Than the thrust casing in the axial direction, and Where the compressor side thrust bearing is comprised: a. Small diameter ring part including the thrust surface in contact with the thrust sleeve On one side of the turbine And the protection surface is the same diameter as Approximate diameter of the casing; b. A cone-shaped section of the apex with a cone-shaped outer surface that is gradually increasing. On the turbine side from the peripheral surface of the small diameter ring portion; c. The flange is positioned at the tip of the turbine side of the shaped section. Cone cut top And fixed to the housing closer to the turbine Thrust casing; and d. The oil feed path is open on the thrust surface and the lubricant is fed to Against that aggressive surface And the small diameter ring part and the flange section were Placed at different positions in the axial direction 2. The motor-driven supercharger, as claimed in claim 1, where the turbine end of the motor stator is provided as a long, tapered, inner surface. Extended to the turbine side And a seal that separates the thrust bearings on the compressor side and The motor stator has been formed into a cone-shaped cutout that has been positioned inward. Of long, slender surfaces 3. Motor-driven supercharger, as claimed in claim 2, where the groove at Facing each other and protruding through the discharge port is also provided in the inner surface of the contour. The cone cut off the top of the thrust bearing on the compressor side and the outer surface of the facing housing. That way too And the oil discharge path to the oil outlet hole has been formed in accordance with the Mix of this