Tuner hose assembly for power steering system
US5495711A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1994 |
| Grant date | Mar 5, 1996 |
| Priority date | — |
| Expiry date | Dec 7, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/062
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A tuner hose assembly for a motor vehicle power steering system including a flexible hose, a first flexible tuner tube inside the flexible hose having an upstream end connected to a pump, and a second flexible tuner tube inside the flexible hose having a downstream end connected to a power steering gear. A downstream end of the first flexible tuner tube is longitudinally separated from an upstream end of the second flexible tuner tube by a wave interference gap which terminates where an inner wall of the flexible hose is clamped against the upstream end of the second flexible tuner tube. The length of the second flexible tuner tube is selected, i.e. "tuned", to attenuate higher order pump fluid-borne noise and simulates a rigid metal tube of a prior tuner hose assembly having greater overall length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.