Drinking water filter cartridge is maintained water-filled to minimize microbial growth and prevent drying-out of ion exchange resin, or carbon by use of top-located inlet and draw-off points
CH697154A5
Method for generating steam for domestic use has a pump, filter and expansion valve to minimize servicing and prolong durability
DE10214846A1
Water filter cartridge with sensor module
DE10201767A1
Level sensor for a household appliance, such as a washing machine or dishwasher, has a simple optoelectronic detector arrangement that can be used with containers of varying size and liquid or material cleaning agents
