Patent ID: 7585408
Filing Date: 2009-09-08
Classification: B01D

Abstract:
1. A liquid filter comprising at least one replaceable filter and a carrier module, said replaceable filter having a filter medium permanently enclosed in a housing vessel, said housing vessel comprising a housing with an opening at one end and an end cover inseparably secured to said housing closing over and sealing said opening, said end cover including an inlet and an outlet for a liquid to be filtered, said housing vessel having a downwardly oriented opening attached to the carrier module in a sealed manner, wherein said filter medium is arranged in a sealed manner in said housing vessel between said inlet and said outlet, wherein said housing vessel and filter medium are replaced as a unit, said liquid filter further comprising a semiautomatic emptying device for the replaceable filter which opens at least one passage to empty the replaceable filter when prompted by an external operation and automatically closes said at least one passage after the replaceable filter has been emptied.