Adjustable low pressure warning device
US9186528B2 · kind B2 · utility
13Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2012 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Aug 8, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L19/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A low pressure warning device that comprises a piston located inside the device, where the piston partitions the device into a first chamber communicating with a first opening and a second chamber communicating with a second opening, an adjustable stop, and a spring located inside the device and configured to bias the piston to a position based on a position of the adjustable stop and based on a pressure differential between the first opening and the second opening, wherein a low pressure differential warning state is associated with a position of the piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.