Heater for household appliances
US10228157B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2015 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Jun 7, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24D2220/0207
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A centrifugal pump for household appliances comprising a cover (1) having:—a first face internal to the pump adapted to be in contact with an operating fluid, and a second face external to the pump, opposite to the first face and provided with an annular groove (16) forming a projection inwards of the pump,—a heating element (11) fixed in the annular groove (16),—a first support element (21) arranged on the second face and provided with a first constraint (31) adapted to be fixed to a first safety device (41), said first support element (21) being in thermal contact with said operating fluid, whereby the first safety device (41) is adapted to come in thermal contact with the operating fluid,—a second support element (22) arranged on the second face, distinct from the first support element (21) and provided with a second constraint (32) adapted to be fixed to a second safety device (42), said second support element (22) being in thermal contact with said heating element (11), whereby the second safety device (42) is adapted to come in thermal contact with the heating element (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.