Hydraulic module for controlling a hydraulic fluid flow of a connecting rod for an internal combustion engine with variable compression and a connecting rod
US10746199B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2018 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Apr 5, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K15/142
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic module configured to control a hydraulic fluid flow of a connecting rod of an internal combustion with variable compression, the connecting rod including an eccentrical element adjustment arrangement for adjusting an effective connecting rod length, wherein the eccentrical element adjustment arrangement includes at least a first cylinder and a second cylinder configured as hydraulic chambers, wherein a first inlet for feeding hydraulic fluid into the first cylinder through a supply conduit and a second inlet for feeding hydraulic fluid into the second cylinder through the supply conduit and a first outlet for draining hydraulic fluid from the first cylinder and a second outlet for draining hydraulic fluid from the second cylinder are provided, wherein the hydraulic module includes at least one piston that is displaceable in a housing into a first switching position or a second switching position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.