Patent · US Active

Piston pump and method for operating a piston pump

US11891987B2 · kind B2 · utility

0Cited by
13References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 2019
Grant dateFeb 6, 2024
Priority date
Expiry dateNov 5, 2040

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B17/00
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a method for operating a piston pump with a differential cylinder drive (1) with at least two differential cylinders (2, 3) for driving at least two conveying pistons movable in conveying cylinders, each conveying piston being driven via an associated differential cylinder (2, 3) of the differential cylinder drive (1) for operating the piston pump, with a hydraulic circuit (4) for driving the differential cylinder drive (1) by the action of hydraulic fluid. The invention also relates to a piston pump for carrying out the method.

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