Household appliance
US7455065B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 28, 2003 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Jan 30, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/588
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention proposes a household appliance, in particular a dishwasher, a washing machine or the like, having a liquid circuit and a pump which has a pump casing which comprises a heating element (3) for heating the liquid, which element is adapted, with a heat-conducting contact area (20), to the outer shape (2) of the casing with an at least partial form fit. In this case, the heating system of the household appliance according to the invention is intended to have an improved efficiency. This is achieved, according to the invention, by the contact area (20) being at least half the size of the entire outer area of the heating element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.