Piston pump for increasing pressure, comprising a transfer piston and a pressure-control piston
US6676389B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 27, 2002 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Mar 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.