Compressor assembly for a turbocharger
AssigneeABB Turbo Systems AG
InventorsDaniel Rusch, Gerd Mundinger
Life of this patent
Estimating the term…
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.
Claims16
A turbocharger for an internal combustion engine, the turbocharger comprising a compressor assembly, the compressor assembly comprising:
- a spiral housing having a flow channel defined therein, the flow channel designed to convey a first fluid which can be sucked up from outside the compressor assembly and to feed said first fluid to a compressor outlet, wherein the spiral housing comprises a conical diffuser,
- a compressor outlet flange arranged on the spiral housing adjacent to the conical diffuser, and
- an air injection device for improving the load response behavior of the internal combustion engine, wherein the injection device is configured to introduce air from outside the spiral housing into the flow channel, wherein the air injection device is arranged outside the flow channel of the spiral housing, and wherein the air injection device is arranged to inject the air into the conical diffuser.
A turbocharger for load responsiveness, the turbocharger comprising:
- a housing defining a flow channel for conveying a first fluid,
- a diffuser through which the flow channel passes,
- an outlet flange forming part of the housing at an end of the flow channel, and
- an air injection communication port arranged to introduce injection air as a second fluid into the flow channel within the diffuser, wherein the air injection communication port extends through a portion of the housing in communication with the flow channel within the diffuser, wherein the air injection communication port is arranged opened to outside of the turbocharger housing for receiving injection air from outside the housing.
A method of operation of a compressor assembly of a turbocharger for load responsiveness, the method comprising:
- drawing a first fluid within a flow channel of a housing and into a diffuser through which the flow channel passes to an outlet flange forming part of the housing at an end of the flow channel, and
- injecting injection air through an air injection communication port arranged to introduce injection air as a second fluid into the flow channel within the diffuser, wherein the air injection communication port extends through a portion of the housing in communication with the flow channel within the diffuser for providing injection air from outside the housing.
Dependencies are inferred from the claim text.