Household appliance

Details Household appliance Household appliance

2003-05-28

2008-11-25

Stinson, Frankie L (Department: 1792)

Cleaning and liquid contact with solids

Apparatus

Automatic controls

Reexamination Certificate

active

07455065

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.

REFERENCES:
patent: 3923073 (1975-12-01), Jacobs
patent: 5450868 (1995-09-01), Young, Jr.
patent: 2002/0048513 (2002-04-01), Kleemann et al.
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patent: 409148047 (1997-06-01), None
patent: 10103297 (1998-04-01), None
patent: WO 03/102 290 (2003-12-01), None

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