A self-priming, roller-free, miniature, peristaltic pump operable with a single, reciprocating actuator.

ABSTRACT: We present a design for a miniature self-priming peristaltic pump actuated with a single linear actuator, and which can be manufactured using conventional materials and methods. The pump is tolerant of bubbles and particles and can pump liquids, foams, and gases. We explore designs actuated by a motor (in depth) and a shape memory alloy (briefly); and briefly present a manually actuated version. The pump consists of a Delrin acetal plastic body with two integrated valves, a flexible silicone tube, and an actuator. Pumping is achieved as the forward motion of the actuator first closes the upstream valve, and then compresses a section of the tube. The increased internal pressure opens a downstream burst valve to expel the fluid. Reduced pressure in the pump tube allows the downstream valve t

SUBMITTER: Shkolnikov V 

PROVIDER: S-EPMC3963388 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature