A low energy consumption valve module (16) includes low energy consumption valves (20) having either bimorphs or monomorphs defined by a circular diaphragm (21) carrying one or more piezoelectric discs (22) (23) operative to position a sealing disc (36) for sealing a valve seat (34). In one embodiment...http://www.google.com/patents/US6086041?utm_source=gb-gplus-sharePatent US6086041 - Multi-valve module having a ceramic piezoelectric actuator
Multi-valve module having a ceramic piezoelectric actuator
