Patent ID: 9568112
Date: 2017-02-14
CPC Classifications: B01D,F16K

Claim:
1. A flow control device comprising: a first element having a plurality of first orifices each having a predetermined cross-section; a second element having a second orifice, said first and second elements being selectively and sealingly engageable in a plurality of positions in which in each of the plurality of positions of said second orifice is aligned with a different one of said plurality of first orifices so as to permit fluid communication through the flow control device via said second orifice and the selected first orifice; a third element to which said first element is mounted in a predetermined arrangement, said third element and said second element cooperating so as to seal said first element therebetween, said second element and said third element each having a plurality of splines equal to a total number of said plurality of first orifices such that said second element and said third element can be selectively engaged in a plurality of positions each corresponding to the alignment of said second orifice with the different one of said plurality of first orifices.