System and valve assembly for controlling a retractable axle of a vehicle
US11220151B1 · kind B1 · utility
1Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2020 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Dec 10, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2500/203
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An example valve assembly includes a mounting plate having an inlet port configured to be fluidly coupled to a source of fluid; a pilot supply valve mounted to the mounting plate, wherein the pilot supply valve comprises (i) an inlet port fluidly coupled to the inlet port of the mounting plate, and (ii) a first outlet port configured to be fluidly coupled to a pilot port of a main valve; and a pilot exhaust valve mounted to the mounting plate, wherein the pilot exhaust valve comprises (i) a vent port, (ii) a second outlet port that is fluidly coupled to the first outlet port of the pilot supply valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.