Patent ID: 6345963
Filing Date: 2002-02-12
Classification: B64G,F04B

Abstract:
A positive displacement pump, comprising:a housing with an interior containing two pumping chambers that are separated by a deformable pumping bellows, a first of said pumping chambers being inside said bellows and having a first port, a second of said pumping chambers being outside said bellows and having a second port, said housing having a seal that hermetically seals said interior except at said first and second ports, said first and second ports passing a fluid to be pumped; a driver having a coil outside said interior and a ferromagnetic or magnetized actuator inside said interior and connected to said bellows, said coil transmitting electromagnetic energy by induction to said actuator during operation of the pump to reciprocally displace said bellows to pump fluid through said first and second ports; and a manifold having a fluid intake, a fluid output, and plural vortex fluid diodes that are in fluid communication with said first and second ports and said fluid intake and output.