B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/19, 137/57
B01D 35/30 (2006.01) B01D 35/15 (2006.01)
Patent
CA 1325606
ABSTRACT A filter for filtering fluid flowing in either direction comprising a block having first and second peripheral ports with a forward line of flow through said block from the first peripheral port to the second peripheral port, and a reverse line of flow through said block from the second peripheral port to the first peripheral port. A first check valve and a first filter element being disposed in the forward line of flow to only allow fluid flow in the forward direction through the first filter element, and a second check valve and a second filter element disposed in the reverse line of flow to only allow fluid flow in the reverse direction through the second filter element.
609443
Bereskin & Parr
Blood Neil James
LandOfFree
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