US2011120511A1PendingUtilityA1

Dishwasher machine comprising a sorption drying device in a sub-module

Assignee: BSH BOSCH SIEMENS HAUSGERAETEPriority: Jul 28, 2008Filed: Jul 28, 2009Published: May 26, 2011
Est. expiryJul 28, 2028(~2 yrs left)· nominal 20-yr term from priority
A47L 15/4251A47L 15/481
57
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Claims

Abstract

A dishwasher is provided that has a washing compartment for items to be washed, wherein the washing compartment has a base. The dishwasher also includes a drying device to dry items that have been washed, wherein the drying device has a sorption container to hold a reversibly dehydrated sorption agent. The dishwasher further includes an air-transmitting air duct between the drying device and the washing compartment to generate an air exchange between the washing compartment and the sorption container, and a bottom sub-module underneath the base of the washing compartment that accommodates the sorption container.

Claims

exact text as granted — not AI-modified
1 - 13 . (canceled) 
     
     
         14 . A dishwasher, comprising:
 a washing compartment for items to be washed, the washing compartment having a base;   a drying device to dry items that have been washed, the drying device having a sorption container to hold a reversibly dehydrated sorption agent;   an air-transmitting air duct between the drying device and the washing compartment to generate an air exchange between the washing compartment and the sorption container; and   a bottom sub-module underneath the base of the washing compartment, the bottom sub-module accommodating the sorption container.   
     
     
         15 . The dishwasher of  claim 14 , wherein the dishwasher is a domestic dishwasher and wherein the reversibly dehydrated sorption agent is zeolite. 
     
     
         16 . The dishwasher of  claim 14 , wherein a quantity of the reversibly dehydratable sorption agent is provided in the sorption container in order to absorb a moisture quantity transported by the air exchange, the quantity of the reversibly dehydratable sorption agent having a weight such that the moisture quantity absorbed by the reversibly dehydratable sorption agent is less than a liquid quantity applied to the items to be washed. 
     
     
         17 . The dishwasher of  claim 16 , wherein the liquid quantity is applied in a final rinsing step. 
     
     
         18 . The dishwasher of  claim 14 , wherein a quantity of the reversibly dehydratable sorption agent provided in the sorption container has a weight such that a moisture quantity absorbed. by the reversibly dehydratable sorption agent corresponds essentially to an amount of dampness that dampens the items to be washed after the end of a final rinsing step. 
     
     
         19 . The dishwasher of  claim 16 , wherein the moisture quantity absorbed is between 4% and 25% of the liquid quantity applied to the items to be washed. 
     
     
         20 . The dishwasher of  claim 19 , wherein the moisture quantity absorbed is between 5% to 15% of the liquid quantity applied to the items to be washed. 
     
     
         21 . The dishwasher of  claim 16 , wherein a quantity by weight of the reversibly dehydratable sorption agent present in the sorption container is between 0.2 kg and 5 kg. 
     
     
         22 . The dishwasher of  claim 21 , wherein the quantity by weight of the reversibly dehydratable sorption agent present in the sorption container is between 0.3 kg and 3 kg. 
     
     
         23 . The dishwasher of  claim 22 , wherein the quantity by weight of the reversibly dehydratable sorption agent present in the sorption container is between 0.5 kg and 2.5 kg. 
     
     
         24 . The dishwasher of  claim 14 , wherein the drying device is connected by the air-transmitting air duct to an outlet and an inlet on the washing compartment. 
     
     
         25 . The dishwasher of  claim 24 , wherein the air-transmitting air duct is arranged, to a predetermined extent, outside the washing compartment. 
     
     
         26 . The dishwasher of  claim 14 , further comprising a piping section for the air-transmitting air duct on an outlet side that is connected to an inlet of the washing compartment in a region close to the floor of the washing compartment. 
     
     
         27 . The dishwasher of  claim 14 , further comprising a piping section for the air-transmitting air duct on an inlet side that is connected to an outlet of the washing compartment above the base of the washing compartment. 
     
     
         28 . The dishwasher of  claim 27 , wherein the piping section fur the air-transmitting air duct on the inlet side is connected to the outlet of the washing compartment in a region dose to a ceiling of the washing compartment. 
     
     
         29 . The dishwasher of  claim 27 , wherein the piping section for the air-transmitting air duct on the inlet side opens out into the sorption container of the drying device in a region close to the base such that an inflow direction of the air-transmitting air duct is diverted into a flow-through direction of the sorption container. 
     
     
         30 . The dishwasher of  claim 29 , wherein the inflow direction is diverted by about 90′. 
     
     
         31 . The dishwasher of  claim 14 , further comprising a blower to generate an airflow that is, when viewed in a flow direction of the airflow, provided before the drying device. 
     
     
         32 . The dishwasher of  claim 31 , further comprising a dedicated heating element for desorption purposes that is, when viewed in the flow direction, arranged between the blower and the drying device. 
     
     
         33 . The dishwasher of  claim 14 , wherein the sorption container has a heating element that is, when viewed in flow direction, arranged before a sorption unit the reversibly dehydratable sorption agent for desorption of the reversibly dehydratable sorption agent.

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