公开(公告)号：US10473115B2

公开(公告)日：2019-11-12

申请号：US15630938

申请日：2017-06-22

Applicant: ABB Turbo Systems AG

Inventor： Christian Kreienkamp ,  Armin Reichl ,  Daniel Rusch

IPC: F04D29/44 ,  F04D29/58 ,  F04D29/68 ,  F04D27/02

Abstract: The present disclosure relates to a diffuser for a radial compressor. The diffuser may comprise a diffusor duct portion formed by first and second side walls that are arranged so as to diverge at least partially from one another in a direction of flow, a blade ring having a number of blades arranged at least partially in the diffusor duct portion with each blade having a pressure side and a suction side delimited by a blade leading edge and by a blade trailing edge of the respective blade, a number of pressure equalizing openings incorporated into at least one of the first and second side walls of the diffuser duct portion in a region where the first and second side walls diverge from one another with each of the pressure equalizing openings being arranged between the pressure side of one blade and the suction side of an adjacent blade of the blade ring, and a first annular duct arranged behind the pressure equalizing openings and fluidically connected to the diffuser duct portion via at least two of the pressure equalizing openings, such that a number of regions between two adjacent blades of the blade ring in the diffuser duct portion are fluidically connectable together.

公开(公告)号：US10473114B2

公开(公告)日：2019-11-12

申请号：US15570356

申请日：2016-04-27

Applicant: ABB Turbo Systems AG

Inventor： Daniel Rusch ,  Gerd Mundinger

IPC: F04D29/44 ,  F04D27/02 ,  F04D17/10 ,  F02B37/10 ,  F02C6/12 ,  F04D29/42

Abstract: The present invention relates to a compressor assembly for a turbocharger. The compressor assembly may comprise a spiral housing with a flow channel which is designed to convey a fluid which can be sucked up from outside the compressor assembly, a compressor outlet flange which is fluidically connected to the spiral housing via the flow channel, and an injection device designed to introduce a fluid from outside the compressor assembly into the flow channel, wherein the injection device is arranged outside the flow channel of the spiral housing.

公开(公告)号：US20170108003A1

公开(公告)日：2017-04-20

申请号：US15390449

申请日：2016-12-23

Applicant: ABB TURBO SYSTEMS AG

Inventor： Daniel Rusch

IPC: F04D29/44 ,  F04D25/04 ,  F02B33/40 ,  F04D29/28 ,  F04D29/66 ,  F02B37/00 ,  F04D17/10 ,  F04D29/056

CPC classification number: F04D29/444 ,  F02B33/40 ,  F02B37/00 ,  F04D17/10 ,  F04D25/04 ,  F04D29/056 ,  F04D29/284 ,  F04D29/666 ,  F05D2250/52 ,  F05D2260/961 ,  Y02T10/144

Abstract: Illustrative embodiments of vaned diffusers of radial compressors and exhaust turbochargers comprising the same are disclosed. In some illustrative embodiments, angular spacings between guide vanes of the diffuser which are arranged adjacent to one another may vary along the circumference, allowing resonant vibration of the compressor to be reduced. In addition, the narrowest cross-sectional area between in guide vanes can be held constant, allowing an increased efficiency and a positive effect on the surge margin.