Multi-chamber blowoff valve
US10066588B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2016 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | Aug 20, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/2642
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A multi-chamber blowoff valve is provided for releasing excess air pressure from a duct system associated with a vehicle. The blowoff valve has a valve housing, an engine-air interface, and a multiple piston assembly. The valve housing is configured to secure to the duct system at a duct-air interface. The engine-air interface is configured to allow air in and out of the valve housing. The multiple piston assembly is disposed within the valve housing and includes an upper piston and a lower piston that move in unison. The multiple piston assembly is configured to be in a closed position while a pressure differential is above a certain threshold and to be in an open position while the pressure differential is below said certain threshold. While in the open position, a portion of the air in the duct system is released.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.