Drainage pump and cloth treating apparatus including same
US11371179B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2019 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Jun 22, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/669
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A drainage pump includes a housing that defines a receiving space configured to receive fluid. The housing defines a suction port configured to introduce fluid into the receiving space, and a first discharge port and a second discharge port that are configured to discharge the fluid in the receiving space to an outside of the housing. The drainage pump further includes an impeller disposed in the receiving space and configured to rotate about a rotation axis to thereby discharge the fluid in the receiving space through the first discharge port or the second discharge port; a first rib that protrudes from an inner circumferential surface of the housing toward a center of the receiving space and that is disposed between the first discharge port and the second discharge port; and a second rib that protrudes from a portion of the first rib toward the center of the receiving space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.