Leveling valve for discharging and supplying fluid
US10696120B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2018 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Jul 11, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2500/202
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A leveling valve (101) for discharging and supplying air from and to a plurality of utilization elements (205a, b), in particular pneumatic suspension bellows, includes a valve arrangement (103) for directing air between a source (207) of pressurized air, an exhaust port (3) and the utilization elements, a supply port (1) in fluid communication with the valve arrangement (103) and the source (207) of pressurized air, and an exhaust port (3) having an exhaust air channel (a) for discharging exhaust air. The exhaust port (3) includes at least one air-permeable damping element, which is at least partly positioned within the exhaust air channel (a).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.