Method for generating steam for domestic use has a pump, filter and expansion valve to minimize servicing and prolong durability

摘要

Steam appliances (49), such as cleaners, cookers and irons, require clean steam which is provided by the invention with a cartridge filter (42) in a tank (41), a suction pump (45), heating element (47) and expansion valve (48). A bypass (50) may also be provided to allow continual pump operation.