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MEMBRANE PUMP

  • US 20160076529A1
  • Filed: 09/17/2015
  • Published: 03/17/2016
  • Est. Priority Date: 09/17/2014
  • Status: Active Application
First Claim
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1. A diaphragm pump (101, 102, 107, 109, 116, 123) comprising a pump housing (1) on which a disposable cell (2) is releasably fixable, said disposable cell has a first cell wall and a second cell wall (3, 4) which define an operating space (5) therebetween, and an operating diaphragm (6) drivingly connected to an oscillating stroke drive, said operating diaphragm (6) is releasably coupleable with the flexible first cell wall (3) on a diaphragm flat side remote from the stroke drive, at least one outlet port (12) is located in the operating diaphragm (6) and is provided with a return flow obstructer or a return flow preventer for evacuating a dead space (11) arranged between the operating diaphragm (6) and the first cell wall (3).

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