Patent · US Active

Pumping system

US9714650B2 · kind B2 · utility

2Cited by
157References
21Claims
0Family size

Inventor

Key dates

Filing dateDec 13, 2013
Grant dateJul 25, 2017
Priority date
Expiry dateJul 31, 2035

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B43/028
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Provided is a pumping system that includes a parallel dual chamber pumping mechanism and an attachable disposable cassette. The disposable cassette includes a multi-laminate membrane which facilitates efficient, accurate and uniform delivery of fluids. The multi-laminate membrane is held in intimate contact with the pumping fingers of the pumping mechanism by electrostatic or magnetic attraction, thereby allowing the pump to pull a vacuum without the need for a preloaded elastomeric pumping segment.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.