Method for using a hydraulic amplifier pump in ultrahigh...

Details Method for using a hydraulic amplifier pump in ultrahigh... Method for using a hydraulic amplifier pump in ultrahigh...

2007-12-25

2007-12-25

Rodriguez, William H. (Department: 3746)

Pumps

Motor driven

Fluid motor

C091S321000, C417S388000

Reexamination Certificate

active

10791080

ABSTRACT:
A method for supplying solvent to an ultra-high pressure liquid chromatography system using a hydraulic amplifier. The hydraulic amplifier system includes a hydraulic cylinder comprising a primary piston chamber in which a primary piston is disposed and a secondary piston chamber in which a secondary piston is disposed. The cross-sectional area of the primary piston is larger than the cross-sectional area of the secondary piston. The difference in the cross-sectional areas of the pistons creates an amplification of the pressure in the primary piston chamber and a reduction in flow rate.

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patent: 6929454 (2005-08-01), Munzenmaier et al.
patent: 7163359 (2007-01-01), Moser
patent: 2003/0133810 (2003-07-01), Leppin et al.

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