Patent ID: 8430175
Filing Date: 2013-04-30
Classification: A61K,E21B,Y10T

Abstract:
1. Equipment for intercepting and diverting a fluid circulation flow, comprising: three flow chambers and a series of valves, said chambers, equipped with a connection device with arrival or supply lines, communicating with each other, of which only a first flow chamber communicates with both of a second flow chamber and a third flow chamber, the communication between said first flow chamber and said second flow chamber and the communication between said first flow chamber and said third flow chamber each being obtained by at least two valves, of which one is a flow-rate valve and at least one is an equalizer valve, an upstream or downstream of each equalizer valve being coupled with a fixed or adjustable flow-blocking device, the second and third flow chambers being two chambers that do not communicate with each other and that include a three-way valve in common with each other, or that include two one-way valves in counterposition with respect to each other, one one-way valve being open when the other is closed and vice versa, said three-way valve or said two one-way valves being coupled with a discharge valve.