CA2578420A1 - Method of die casting compressor housings - Google Patents
Method of die casting compressor housings Download PDFInfo
- Publication number
- CA2578420A1 CA2578420A1 CA 2578420 CA2578420A CA2578420A1 CA 2578420 A1 CA2578420 A1 CA 2578420A1 CA 2578420 CA2578420 CA 2578420 CA 2578420 A CA2578420 A CA 2578420A CA 2578420 A1 CA2578420 A1 CA 2578420A1
- Authority
- CA
- Canada
- Prior art keywords
- section
- diffuser
- outer shell
- compressor housing
- center section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A compressor housing is provided for a compressor impeller. The compressor housing comprises an outer shell including an outer section, a midsection, and a center section. The midsection of the outer shell forms an upper volute wall portion of the compressor housing, and the center section forms an inlet for the compressor housing. A diffuser is also provided that is comprised of a center section, a base section, and an outer section. The center section of the diffuser has a substantially cylindrical outer edge received within a complementary substantially cylindrical mating surface in the outer shell center section. The diffuser base section has a raised first mating projection for engagement with the first mating surface of the midsection of the outer shell. The diffuser outer section has a raised second mating projection for engagement with a second mating surface of the midsection of the outer shell. A back plate is also provided that is formed of a generally circular structure. The diffuser base section has a generally flat lower surface for engagement with a generally flat upper surface of the back plate. The outer shell midsection, the diffuser and the back plate form the volute wall portion of a compressor housing.
Claims (31)
1. A compressor housing for a compressor impeller comprising:
an outer shell including an outer section, a midsection and a center section, the midsection forming an upper volute wall portion of the compressor housing, and the center section forming an inlet concentric with the compressor impeller, a diffuser including a center section, a base section, and an outer section, the center section having a substantially cylindrical outer edge received in a complementary substantially cylindrical mating surface in the outer shell center section, the diffuser base section having a raised first mating projection for engagement with a first mating surface of the midsection of the outer shell, the diffuser outer section having a raised second mating projection for engagement with a second mating surface of the midsection of the outer shell, the outer shell midsection and the diffuser forming a volute wall portion of the compressor housing.
an outer shell including an outer section, a midsection and a center section, the midsection forming an upper volute wall portion of the compressor housing, and the center section forming an inlet concentric with the compressor impeller, a diffuser including a center section, a base section, and an outer section, the center section having a substantially cylindrical outer edge received in a complementary substantially cylindrical mating surface in the outer shell center section, the diffuser base section having a raised first mating projection for engagement with a first mating surface of the midsection of the outer shell, the diffuser outer section having a raised second mating projection for engagement with a second mating surface of the midsection of the outer shell, the outer shell midsection and the diffuser forming a volute wall portion of the compressor housing.
2. The compressor housing of claim 1 wherein the diffuser center section and base section are formed of a first single continuous structure and the diffuser outer section is formed of a second single continuous structure.
3. The compressor housing of claim 1 further comprising a back plate, the back plate formed of a generally circular structure having a generally flat upper surface, the diffuser base section having a generally flat lower surface for engagement with the generally flat upper surface of the back plate, the back plate forming a lower volute wall portion of the compressor housing.
4. The compressor housing of claim 1 wherein the complementary substantially cylindrical mating surface is the outer shell center section is located on an inner wall of the outer shell center section and includes a ledge against which an upper edge of the diffuser center section is engaged.
5. The compressor housing of claim 1 wherein the upper edge of the diffuser center section is a generally circular structure.
6. The compressor housing of claim 1 wherein the first mating surface of the midsection of the outer shell comprises a generally flat surface.
7. The compressor housing of claim 1 wherein the second mating surface of the midsection of the outer shell comprises a ledge against which an upper edge of the diffuser outer section raised second mating projection is engaged.
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8. A compressor housing for a compressor impeller comprising:
an outer shell including an outer section, a midsection and a center section, with the center section forming an inlet concentric with the compressor impeller, a diffuser including a center section, a base section and an outer section, the center section having a substantially cylindrical outer edge received in a complementary substantially cylindrical mating surface within the outer shell center section, the diffuser base section having a raised first mating projection for engagement with a first mating surface on the midsection of the outer shell, the diffuser outer section having a raised second mating projection for engagement with a second mating projection for engagement with a second mating surface on the midsection of the outer shell, wherein the diffuser center section and base section are formed of a first continuous structure and the diffuser outer section is formed of a second continuous structure, the outer shell midsection and the diffuser base section and outer section form a volute wall of the compressor housing.
an outer shell including an outer section, a midsection and a center section, with the center section forming an inlet concentric with the compressor impeller, a diffuser including a center section, a base section and an outer section, the center section having a substantially cylindrical outer edge received in a complementary substantially cylindrical mating surface within the outer shell center section, the diffuser base section having a raised first mating projection for engagement with a first mating surface on the midsection of the outer shell, the diffuser outer section having a raised second mating projection for engagement with a second mating projection for engagement with a second mating surface on the midsection of the outer shell, wherein the diffuser center section and base section are formed of a first continuous structure and the diffuser outer section is formed of a second continuous structure, the outer shell midsection and the diffuser base section and outer section form a volute wall of the compressor housing.
9. The compressor housing of claim 8 further comprising a back plate, the back plate formed of a generally circular structure having a generally flat upper surface, the diffuser base section having a generally flat lower surface for engagement with the generally flat upper surface of the back plate, the back plate forming a lower volute wall portion of the compressor housing.
10. The compressor housing of claim 8 wherein the complementary substantially cylindrical mating surface is the outer shell center section is located on an inner wall of the outer shell center section and includes a ledge against which an upper edge of the diffuser center section is engaged.
11. The compressor housing of claim 8 wherein the upper edge of the diffuser center section is a generally circular structure.
12. The compressor housing of claim 8 wherein the first mating surface of the midsection of the outer shell comprises a generally flat surface.
13. The compressor housing of claim 8 wherein the second mating surface of the midsection of the outer shell comprises a ledge against which an upper edge of the diffuser outer section raised second mating projection is engaged.
14. A method of assembling a compressor housing for a compressor impeller comprising the steps of:
providing an outer shell including an outer section, a midsection and a center section, and having the center section form an inlet concentric with the compressor impeller, providing a diffuser including a center section, a base section and an outer section, with the center section having a generally cylindrical outer edge received in a complementary generally cylindrical mating surface within the outer shell section, the diffuser base section having a raised first mating projection engaging a first mating surface on the midsection of the outer shell, the diffuser outer section having a raised second mating projection engaging a second mating surface on the midsection of the outer shell, the diffuser center section and base section being formed of a first continuous structure and the diffuser outer section is formed of a second continuous structure, wherein the outer shell mid section and the diffuser base section and outer section form a volute wall of the compressor housing.
providing an outer shell including an outer section, a midsection and a center section, and having the center section form an inlet concentric with the compressor impeller, providing a diffuser including a center section, a base section and an outer section, with the center section having a generally cylindrical outer edge received in a complementary generally cylindrical mating surface within the outer shell section, the diffuser base section having a raised first mating projection engaging a first mating surface on the midsection of the outer shell, the diffuser outer section having a raised second mating projection engaging a second mating surface on the midsection of the outer shell, the diffuser center section and base section being formed of a first continuous structure and the diffuser outer section is formed of a second continuous structure, wherein the outer shell mid section and the diffuser base section and outer section form a volute wall of the compressor housing.
15. The method of assembling a compressor housing of claim 14 further comprising providing a back plate, the back plate formed of a generally circular structure having a generally flat upper surface, the diffuser base section having a generally flat lower surface for engagement with the generally flat upper surface of the back plate, the back plate forming a lower volute wall portion of the compressor housing.
16. The method of assembling a compressor housing of claim 14 wherein the complementary substantially cylindrical mating surface in the outer shell center section is located on an inner wall of the outer shell center section and includes a ledge against which our upper edge of the diffuser center sections is engaged.
17. The method of assembling a compressor housing of claim 14 wherein the upper edge of the diffuser center section is a generally circular structure.
18. The method of compressor housing of claim 14 wherein the first mating surface of the mid section of the outer shell comprised of a generally flat surface.
19. The method of assembling a compressor housing of claim 14 wherein the second mating surface of the mid section of the outer shell comprises a ledge against which an upper edge of the diffuser outer section raised second mating projection is engaged.
20. A method of assembling a compressor housing for a compressor impeller comprising the steps of:
providing an outer shell including an outer section, a midsection and a center section, and having the center section form an inlet concentric with the compressor impeller, providing a diffuser including a center section, a base section and an outer section, with the center section having a generally cylindrical outer edge received in a complementary generally cylindrical mating surface within the outer shell center section, the diffuser base section having a raised first mating projection engaging a first mating surface on the midsection of the outer shell, the diffuser outer section having a raised second mating projection engaging a second mating surface on the midsection of the outer shell, the diffuser being formed of a unitary structure comprising the center section, base section and outer section, machining the diffuser to remove material between the base section and the outer section to form a first continuous structure comprising the center section and the base section and a second continuous structure comprising the outer section, wherein the outer shell mid section and the diffuser base section and outer section form a volute wall of the compressor housing.
providing an outer shell including an outer section, a midsection and a center section, and having the center section form an inlet concentric with the compressor impeller, providing a diffuser including a center section, a base section and an outer section, with the center section having a generally cylindrical outer edge received in a complementary generally cylindrical mating surface within the outer shell center section, the diffuser base section having a raised first mating projection engaging a first mating surface on the midsection of the outer shell, the diffuser outer section having a raised second mating projection engaging a second mating surface on the midsection of the outer shell, the diffuser being formed of a unitary structure comprising the center section, base section and outer section, machining the diffuser to remove material between the base section and the outer section to form a first continuous structure comprising the center section and the base section and a second continuous structure comprising the outer section, wherein the outer shell mid section and the diffuser base section and outer section form a volute wall of the compressor housing.
21. The method of assembling a compressor housing of claim 20 further comprising providing a back plate, the back plate formed of a generally circular structure having a generally flat upper surface, the diffuser base section having a generally flat lower surface for engagement with the generally flat upper surface of the back plate, the back plate forming a lower volute wall portion of the compressor housing.
22. The method of assembling a compressor housing of claim 20 wherein the complementary substantially cylindrical mating surface in the outer shell center section is located on an inner wall of the outer shell center section and includes a ledge against which an upper edge of the diffuser center section is engaged.
23. The method of assembling a compressor housing of claim 20 wherein the upper edge of the diffuser center section is a generally circular structure.
24. The method of assembling a compressor housing of claim 20 wherein the first mating surface of the midsection of the outer shell comprises a generally flat surface.
25. The method of assembling a compressor housing of claim 20 wherein the second mating surface of the mid section of the outer shell comprises a ledge against which an upper edge of the diffuser outer section raised second mating projection is engaged.
26. A method of assembling a compressor housing for a compressor impeller coprising the steps of:
providing an outer shell including an outer section, a mid section and a center section, providing a diffuser including a center section, a base section and an outer section, with the center section received in a complementary mating surface within the outer shell center section, the diffuser base section having a first mating surface engaging a first mating surface on the midsection of the outer shell, the diffuser outer section having a second mating surface engaging a second mating surface on the midsection of the outer shell, the diffuser being formed of a unitary structure comprising the center section, base section and outer section, machining the diffuser to remove material from between the base section and the outer section to form a first continuous structure comprising the center section and the base section and a second continuous structure comprising the outer section, wherein the outer shell midsection and the diffuser base section and outer section form a volute wall of the compressor housing.
providing an outer shell including an outer section, a mid section and a center section, providing a diffuser including a center section, a base section and an outer section, with the center section received in a complementary mating surface within the outer shell center section, the diffuser base section having a first mating surface engaging a first mating surface on the midsection of the outer shell, the diffuser outer section having a second mating surface engaging a second mating surface on the midsection of the outer shell, the diffuser being formed of a unitary structure comprising the center section, base section and outer section, machining the diffuser to remove material from between the base section and the outer section to form a first continuous structure comprising the center section and the base section and a second continuous structure comprising the outer section, wherein the outer shell midsection and the diffuser base section and outer section form a volute wall of the compressor housing.
27. The method of assembling a compressor housing of claim 26 further comprising providing a back plate, the back plate formed of a generally circular structure having a generally flat upper surface, the diffuser base section having a generally flat lower surface for engagement with the generally flat upper surface of the back plate, the back plate forming a lower volute wall portion of the compressor housing.
28. The method of assembling a compressor housing of claim 26 wherein the complementary substantially cylindrical mating surface in the outer shell center section is located on an inner wall of the outer shell center section is located on an inner wall of the outer shell center section and includes a ledge against which an upper edge of the diffuser center section is engaged.
29. The method of assembling a compressor housing of claim 26 wherein the upper edge of the diffuser center section is a generally circular structure.
30. The method of assembling compressor housing of claim 26 wherein the first mating surface of the mid section of the outer shell comprises a generally flat surface.
31. The method of assembling a compressor housing of claim 20 wherein the second mating surface of the midsection of the outer shell comprises a ledge against which an upper edge of the diffuser outer section raised second mating projection is engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2578420A CA2578420C (en) | 2007-02-08 | 2007-02-08 | Method of die casting compressor housings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2578420A CA2578420C (en) | 2007-02-08 | 2007-02-08 | Method of die casting compressor housings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2578420A1 true CA2578420A1 (en) | 2008-08-08 |
| CA2578420C CA2578420C (en) | 2010-05-04 |
Family
ID=39678552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2578420A Active CA2578420C (en) | 2007-02-08 | 2007-02-08 | Method of die casting compressor housings |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2578420C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3447305A1 (en) * | 2017-06-27 | 2019-02-27 | Garrett Transportation I Inc. | Compressor housings and fabrication methods |
-
2007
- 2007-02-08 CA CA2578420A patent/CA2578420C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3447305A1 (en) * | 2017-06-27 | 2019-02-27 | Garrett Transportation I Inc. | Compressor housings and fabrication methods |
| US10690144B2 (en) | 2017-06-27 | 2020-06-23 | Garrett Transportation I Inc. | Compressor housings and fabrication methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2578420C (en) | 2010-05-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |