Patent · US Expired

Piston metering pump

US4323333A · kind A · utility

9Cited by
7References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 23, 1979
Grant dateApr 6, 1982
Priority date
Expiry dateNov 23, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/18296
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The piston metering pump has a motor operated eccentric which reciprocates a piston assembly. The piston assembly has two separate portions connected by spaced wire or rod members. One of said portions supports the piston and the other portion supports a coaxial stroke adjustment member.

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