Dishwasher

Details Dishwasher Dishwasher

1989-10-20

1990-11-13

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

With heating, cooling or heat exchange means

134111, 210106, 210409, A47L 1542

Patent

active

049694790

ABSTRACT:
A dishwasher comprising a washing tub (18), conduits for supplying liquid by jets on articles to be washed in the tub, and surfaces for recollecting the liquid in a receptacle. A circulation pump is arranged to circulate liquid in a system comprising a liquid supplying conduit and a filter unit comprising a fine sieve portion (12a) having a wide, mainly horizontal surface. The horizontal fine sieve portion forms an upper wall for a chamber (11) in which inlet of the circulation pump as well as a heating element (15) for heating the liquid in the receptacle is placed. There is a connecting tube (17) extending through the fine sieve portion (12a) and having an upper end (17b) which is placed above the highest liquid level in the tub during normal operation whereas the lower end (17a) of the connecting tube is placed in the chamber (11) at a point which is so situated that the heating element during operation always is surrounded by liquid.

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