Patent ID: 8561645

Claim:
A three-way valve ( 1 ) having three paths ( 2 , 3 , 4 ) with two flaps ( 5 , 6 ) respectively positioned in two of the three paths ( 2 , 3 ) of the valve and comprising means ( 7 - 12 ) for controlling and actuating the flaps ( 5 , 6 ) to make the flaps ( 5 , 6 ) pivot from one to the other of two positions in which the paths ( 2 , 3 ) are either open or closed, characterized in that single control means ( 7 ) are provided for both flaps ( 5 , 6 ), and there are actuating means ( 9 - 13 ) designed to be controlled by the single control means ( 7 ) and to actuate the two flaps ( 5 , 6 ) with a temporal phase shift wherein the actuating means ( 9 - 13 ) comprise an intermediate gear wheel ( 9 ) with two coaxial tooth sets ( 10 μ, 11 ) with the intermediate gear wheel ( 9 ) interacting directly with two annulus gears ( 12 , 13 ) that actuate the two flaps ( 5 , 6 ) by rotation.