Bacon & Thomas, PLLC
Device for adjusting pressure difference in a valve fed with two fluids of different pressures
 A pressure difference adjusting device is provided for a valve having a first inlet for a first fluid of a first pressure, a second inlet for a second fluid of a second pressure not equal to the first pressure, and an outlet. The pressure difference adjusting device includes two rotatable elements that are mounted in a meeting area of the incoming fluids. The elements mesh with each other to drive each other when the elements are subjected to impact from the incoming fluids. 
Y G
Y10T G05D
additional inventional
Chen-Liang
Chang