Patent ID: 11891996
Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 9:
10. A method for manufacturing a compressor element (1) comprising at least one compression member (2), a housing (3) and a rotatable shaft (4) rotatably connecting the at least one compression member (2) to the housing (3), the method comprises providing at least one intermediate element (5) comprising at least one of a roller bearing and a gear between the rotatable shaft (4) and the housing (3) for facilitating rotation of the rotatable shaft (4), the method further comprises providing the compressor element (1) with at least one oil injector (6) extending from an inlet port (7) to at least one nozzle (8a, 8b, 8c) via an oil channel (9), wherein the method further comprises:
shaping the oil channel (9) with a radius of curvature (20) larger than 5 mm to allow a flow of oil through the channel (9) for cooling of the at least one intermediate element (5) which is aligned with a direction determined by a centre line of the oil channel (9).