Separated opposed flow single coupling compressor stage
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F04D-017/16
F04D-029/42
F04D-029/44
F04D-017/10
F04D-025/02
출원번호
US-0800282
(2015-07-15)
등록번호
US-9816512
(2017-11-14)
발명자
/ 주소
Smith, Andrew
Day, Andrew
Jennings, Simon
Nicholson, Matthew
출원인 / 주소
BorgWarner Inc.
대리인 / 주소
BrooksGroup
인용정보
피인용 횟수 :
0인용 특허 :
8
초록▼
A product usable with a turbocharger may include a compressor wheel having an inducer section and an exducer section. Air may be collected by the inducer section and expelled by the exducer section. A cover may define a diffuser and a collection volute. The diffuser may lead away from the exducer se
A product usable with a turbocharger may include a compressor wheel having an inducer section and an exducer section. Air may be collected by the inducer section and expelled by the exducer section. A cover may define a diffuser and a collection volute. The diffuser may lead away from the exducer section to the collection volute. The cover may define a collection cavity opening to the collection volute through a port and extending in an axial direction. The cover may define an inlet passage around the inducer section and the cover may include a dividing wall separating the inlet passage from the collection cavity.
대표청구항▼
1. A product able to be used with a turbocharger comprising a compressor wheel having an inducer section and an exducer section wherein air is collected by the inducer section and expelled by the exducer section; a cover defining a diffuser and a collection volute, the diffuser leading away from the
1. A product able to be used with a turbocharger comprising a compressor wheel having an inducer section and an exducer section wherein air is collected by the inducer section and expelled by the exducer section; a cover defining a diffuser and a collection volute, the diffuser leading away from the exducer section to the collection volute, the cover defining a collection cavity opening to the collection volute through a port and extending in an axial direction, the cover defining an inlet passage around the inducer section and the cover including a dividing wall separating the inlet passage from the collection cavity, wherein the collection volute extends around the cover for more than 360 angular degrees. 2. The product according to claim 1 wherein the collection volute includes a first segment that registers with the diffuser and a second segment that registers with the collection cavity. 3. The product according to claim 2 wherein the first segment does not register with the collection cavity and the second segment does not register with the diffuser. 4. A product for a turbocharger comprising a center housing; a compressor wheel rotatably supported by the center housing; and a cover connected to the center housing and covering the compressor wheel, the cover defining an inlet passage and a collection cavity, the inlet passage leading to the compressor wheel and the collection cavity receiving a gas compressed by the compressor wheel, wherein the cover includes a dividing wall dividing the inlet passage from the collection cavity and an outer wall extending around and spaced apart from the dividing wall to define the collection cavity, the collection cavity coaxially disposed around the inlet passage, and a first end of the collection cavity and a second end of the collection cavity, with a length of the collection cavity defined from the first end to the second end, wherein the dividing wall is completely disposed inside the collection cavity for the length in its entirety, and the inlet passage is defined against a first side of the dividing wall for the length in its entirety, and the collection cavity is defined against a second side of the dividing wall for the length in its entirety, wherein the cover further defines a diffuser and a collection volute, the diffuser receiving the gas compressed by the compressor wheel and delivering the gas to the collection volute, the collection volute delivering the gas to the collection cavity, wherein the collection volute extends around the cover for more than 360 angular degrees. 5. The product according to claim 4 wherein the collection cavity is annular in shape and is concentric with the inlet passage so that the gas flows to the compressor wheel through the inlet passage and inside the collection cavity in a first direction and wherein the gas is exhausted through the collection cavity in a second direction opposite the first direction. 6. The product according to claim 4 wherein the collection volute includes a first segment in a first 360 angular degrees that the collection volute extends and that registers with the diffuser and a second segment where the collection volute extends beyond the first 360 angular degrees and that registers with the collection cavity. 7. The product according to claim 4 further comprising an inlet and outlet unit connected to the cover, and including an inlet conduit defined by a first conduit wall, wherein the inlet conduit joins with the inlet passage, and an outlet conduit defined by a second conduit wall, wherein the outlet conduit joins with the collection cavity, and wherein the inlet conduit extends through the second conduit wall. 8. The product according to claim 7 wherein the second conduit wall includes a proximate end having a first diameter at the cover and a distal end having a second diameter away from the cover, and wherein the first diameter is larger than the second diameter. 9. A turbocharger assembly comprising a turbine; a compressor wheel; a shaft connecting the compressor wheel with the turbine so that the compressor wheel is driven by the turbine; a center housing supporting the shaft; a cover connected to the center housing, the cover defining an inlet passage, a diffuser, a collection volute, and a collection cavity, the collection volute has a first segment that registers with the diffuser and a second segment that does not register with the diffuser, the inlet passage leading to the compressor wheel, wherein a gas compressed by the compressor wheel is delivered from the compressor wheel to the diffuser and there through to the collection volute, a port registering with the second segment and providing an opening from the collection volute to the collection cavity, wherein the collection cavity receives the compressed gas from the collection volute, and wherein the collection cavity is annular in shape and is defined coaxially with the inlet passage, wherein the gas flows to the compressor wheel through the inlet passage and inside the collection cavity in a first direction and wherein the gas is exhausted from the compressor wheel through the collection cavity and around the inlet passage in a second direction opposite the first direction, wherein the collection volute extends around the cover for more than 360 angular degrees. 10. The product according to claim 9 further comprising an inlet and outlet unit connected to the cover, and including an inlet conduit defined by a first conduit wall and an outlet conduit defined by a second conduit wall, wherein the inlet conduit and the first conduit wall extend through the second conduit wall, wherein the inlet conduit joins with the inlet passage inside the outlet conduit. 11. The product according to claim 9 further comprising an axis extending through the shaft wherein the compressor wheel rotates about the axis, and wherein the inlet passage and collection cavity extend along the axis with the inlet passage defined inside the collection cavity.
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