US 11,666,840 B2
Liquid filtering system
Karl Pflanz, Goettingen (DE); Sebastian Pruehl, Wehnde (DE); Andreas Pickl, Klein Schneen (DE); Roland Leetsch, Bovenden (DE); Adam Gilbert, Bristol (GB); and Martin Purshouse, Clevedon (GB)
Assigned to SARTORIUS STEDIM BIOTECH GMBH, Goettingen (DE)
Filed by Sartorius Stedim Biotech GmbH, Goettingen (DE)
Filed on Jan. 8, 2021, as Appl. No. 17/145,058.
Application 17/145,058 is a continuation of application No. PCT/EP2019/062214, filed on May 13, 2019.
Claims priority of application No. 18182730 (EP), filed on Jul. 10, 2018.
Prior Publication US 2021/0129057 A1, May 6, 2021
Int. Cl. B01D 35/30 (2006.01); B01D 29/085 (2006.01); B01D 35/14 (2006.01)
CPC B01D 35/306 (2013.01) [B01D 29/085 (2013.01); B01D 35/14 (2013.01); B01D 2201/16 (2013.01); B01D 2201/204 (2013.01); B01D 2201/305 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A liquid filtering system comprising:
a filtering apparatus comprising:
a filter unit configured to hold a filter and to receive liquid to be filtered,
a receptacle for receiving filtered liquid, and
an adapter configured to couple the filter unit to the receptacle,
wherein the adapter comprises an adapter vacuum receiving port configured to couple to a base vacuum delivery port in order to apply a vacuum driving force for driving the liquid to be filtered through the filter and, as the filtered liquid, into the receptacle, and
a base comprising:
a cradle configured to receive the filtering apparatus, and
the base vacuum delivery port, configured to couple, on one side, to a vacuum source and, on another side, to the adapter vacuum receiving port,
wherein the cradle and the adapter comprise an interlocking mechanism configured to lock the filtering apparatus to the cradle in a locking position in which the adapter vacuum receiving port is sealingly coupled to the base vacuum delivery port,
wherein the base vacuum delivery port comprises a vacuum valve constituted as a valve automatically forced open from a normally closed position when the filtering apparatus is locked to the cradle, and
wherein the adapter vacuum receiving port comprises a pipe socket which is configured, in the locking position, to extend through a base port opening of the base vacuum delivery port and to dislocate a valve body of the vacuum valve from its closing position to its opening position.