Automatic pressure regulating valve for electro-pneumatic braking system of commercial vehicle and control method thereof
US12280750B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2022 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Oct 28, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T15/027
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An automatic pressure regulating valve for an electro-pneumatic braking system of a commercial vehicle comprises an upper valve body and a lower valve body. The upper valve body includes a normally open switching valve, a quick-acting intake valve, a normally open quick-acting intake valve, a quick-acting exhaust valve, and a control chamber A. A lower valve body includes a relay valve and a working chamber B. The normally open switching valve has a manually controlled air inlet a and an electronically controlled air inlet b, and an air outlet c connected to an air inlet d of the normally open quick-acting intake valve. An air outlet e of the normally open quick-acting intake valve, an air inlet f of the quick-acting exhaust valve and an air outlet i of the quick-acting air intake valve are connected together to the control chamber A.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.