Patent · US Expired

Piston pump for increasing pressure, comprising a transfer piston and a pressure-control piston

US6676389B2 · kind B2 · utility

2Cited by
5References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 27, 2002
Grant dateJan 13, 2004
Priority date
Expiry dateMar 27, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B49/16
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a piston pump for increasing pressure for liquids, in particular for the camshaft phase adjustment of reciprocating internal combustion engines, said piston pump advantageously being integrated into the housing of the cylinder head. The piston pump for increasing pressure is defined in that it increases an existing fluid pressure to a required fluid pressure and keeps this pressure virtually constant. The piston pump for increasing pressure is advantageously pre-assembled in a sleeve.

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