Patent · US Expired

Water pump apparatus

US4869649A · kind A · utility

2Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 1988
Grant dateSep 26, 1989
Priority date
Expiry dateMay 31, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19219
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A water pump used in a cooling system for an internal combustion engine includes a pump shaft fixedly connected to an impeller means and detachably connected to a driven gear. The driven gear is in meshing engagement with a drive gear which is detachably mounted on a cam shaft rotated by the engine. The two shafts are not axially aligned, but are arranged in parallel relationship with each other. Thus, the optimum rotational ratio between the shafts may be obtained by adjusting the radii of the gears.

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