Method and apparatus for reduction of fluid borne noise in hydraulic systems
US5791141A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 18, 1996 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Jun 18, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B11/0091
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Method and improved apparatus for reduction of fluid borne noise in a hydraulic system are disclosed. A shortened noise suppression assembly comprising first, second and third volumetrically compliant members with first and second inductive flow members providing fluidic coupling therebetween is disclosed. The shortened noise suppression assembly acts similarly to an electronic low pass filter network in deterring fluid borne noise from entering portions of the hydraulic system located therebeyond. At least one of the first and third volumetrically compliant members are comprised within a stub line. The remaining one, or ones, of the first, second and third volumetrically compliant members, and the first and second inductive flow members form conduit members of a passage for connecting a pump to the portions of the hydraulic system located therebeyond.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.