Dampened pump assembly for a dishwasher
US9211048B2 · kind B2 · utility
2Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 20, 2011 |
| Grant date | Dec 15, 2015 |
| Priority date | — |
| Expiry date | Oct 17, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/669
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A dishwasher incorporates a dampened pump assembly including a housing having a base to which is mounted a pump and motor unit configured to develop a flow of washing fluid during operation of the dishwasher. A mass damper is mounted to the housing, with the mass damper substantially conforming to the shape, directly abutting and being rigidly fixed to a portion of the housing at a position offset from the pump and motor unit. The mass damper provides added weight, generally in the order of 1-6 lbs, to the pump assembly which reduces vibrations throughout the dishwasher caused by operation of the pump and motor unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.