Patent ID: 9249895
Filing Date: 2016-02-02
CPC Classification: F16K,Y10T

Claim Text:
1. A double valve comprising: two coils which can be piloted separately from each other and each have a core, electromagnetic actuating drives for each coil comprising first and second portions of a common magnetic circuit, each portion being disposed adjacent to two sides of one of the coils and arranged to channel magnetic flux from the core of the associated coil, when energized, through said portion of the magnetic circuit; a common valve housing in which the two coils are arranged; a flange housing mounted to the common valve housing and in which two valve seats are arranged; a diaphragm associated with the two valve seats, each coil being associated with one valve seat; and an electrical connection provided for the two coils that comprises a common ground connection and for each coil a positive connection; and wherein the first and second portions of the common magnetic circuit are magnetically shielded from one another by air gaps provided in sidewalls of the common magnetic circuit, the air gaps being arranged between the coils and along a length of the coils.