Patent ID: 11919022
Assignee: DüRR SYSTEMS AG
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 7:
8. An atomizer according to claim 1, wherein
a) the second return valve is designed as a diaphragm needle valve with the following components:
a1) a valve seat,
a2) a displaceable valve needle which, depending on its position, opens or blocks the valve seat
a3) a valve diaphragm which annularly surrounds the valve needle and serves to drive the valve needle and/or to seal it,

b) the valve seat of the second return valve is made of steel,
c) the valve needle of the second return valve passes through a sealing disc made of plastic,
d) the valve needle of the second return valve is made of titanium,
e) the mixer opens on an outlet side into a distributor which passes on the multicomponent paint and is at least partially made of a metal.