CA2715953C - Pompe centrifuge munie de trous d'equilibrage de poussee dans le diffuseur - Google Patents
Pompe centrifuge munie de trous d'equilibrage de poussee dans le diffuseur Download PDFInfo
- Publication number
- CA2715953C CA2715953C CA2715953A CA2715953A CA2715953C CA 2715953 C CA2715953 C CA 2715953C CA 2715953 A CA2715953 A CA 2715953A CA 2715953 A CA2715953 A CA 2715953A CA 2715953 C CA2715953 C CA 2715953C
- Authority
- CA
- Canada
- Prior art keywords
- diffuser
- impeller
- pump
- impellers
- vent passage
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/878,850 | 2010-09-09 | ||
| US12/878,850 US8801360B2 (en) | 2009-09-09 | 2010-09-09 | Centrifugal pump with thrust balance holes in diffuser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2715953A1 CA2715953A1 (fr) | 2012-03-09 |
| CA2715953C true CA2715953C (fr) | 2013-11-19 |
Family
ID=45809705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2715953A Active CA2715953C (fr) | 2010-09-09 | 2010-09-29 | Pompe centrifuge munie de trous d'equilibrage de poussee dans le diffuseur |
Country Status (2)
| Country | Link |
|---|---|
| BR (1) | BRPI1004227B1 (fr) |
| CA (1) | CA2715953C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2476727C1 (ru) * | 2011-08-30 | 2013-02-27 | Закрытое Акционерное Общество "Новомет-Пермь" | Ступень погружного скважинного насоса |
-
2010
- 2010-09-29 CA CA2715953A patent/CA2715953C/fr active Active
- 2010-11-03 BR BRPI1004227-0A patent/BRPI1004227B1/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2715953A1 (fr) | 2012-03-09 |
| BRPI1004227A2 (pt) | 2013-02-26 |
| BRPI1004227B1 (pt) | 2021-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MPN | Maintenance fee for patent paid |
Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 14TH ANNIV.) - STANDARD Year of fee payment: 14 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20240826 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT Effective date: 20240826 Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20240826 |
|
| MPN | Maintenance fee for patent paid |
Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 15TH ANNIV.) - STANDARD Year of fee payment: 15 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20250822 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20250905 |