Patent · US Active

Precision, constant-flow reciprocating pump

US11867162B2 · kind B2 · utility

0Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 2019
Grant dateJan 9, 2024
Priority date
Expiry dateOct 10, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B41/06
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A pump having two pistons which are driven by a cam belonging to an external rotor and which are inserted into two cylinder blocks mounted parallel to each other in such a way as to form two opposite, parallel, eccentric pump chambers The pump chambers have at least one inlet port through which liquid is drawn into the pump chambers during the fill stroke of the pistons, and then expelled from the pump chambers during the discharge stroke of the pistons to at least one outlet port, the outflow rate of which is constant and even.

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