Patent · US Expired

Shaft coupling and shifting mechanism for pneumatic pump

US6951163B1 · kind B1 · utility

1Cited by
17References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 2002
Grant dateOct 4, 2005
Priority date
Expiry dateMay 10, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01L2003/25
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Fluid pump assembly driven by a reciprocating piston, having an improved coupling between a driving shaft and a driven shaft and a fast-shifting switching mechanism for changing the direction of movement to the piston.

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