Patent · US Expired

Pump

US6652242B2 · kind B2 · utility

15Cited by
10References
14Claims
0Family size

Inventor

Key dates

Filing dateMar 15, 2002
Grant dateNov 25, 2003
Priority date
Expiry dateMar 15, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B33/005
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

In the present invention, a pump includes a cylinder, a plunger for compressing air in the cylinder, a reservoir formed around the cylinder so as to define a space for storing a portion of the compressed air, a valve device installed in the cylinder for permission of the compressed air from the cylinder into the reservoir and a base connected with the cylinder for stabilizing the pump. The base includes two pedals extending in opposite directions from the cylinder.

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