Variable output inflator
US7748737B2 · kind B2 · utility
4Cited by
16References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2007 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Sep 21, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/2636
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method of inflating an airbag with a fluid includes sending a signal to open a first valve and opening the first valve. The method also includes directing a control pressure through the first valve and toward a second valve. The method further includes throttling the second valve in response to the control pressure. The throttling of the second valve produces a variable inflation mass flow rate of the fluid at a second valve outlet. Opening the first valve and closing the first valve are performed as a step function to achieve a desired predetermined variable inflation mass flow rate of the airbag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.