Pressure safety valve indicator
US11209099B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jan 31, 2018 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Aug 14, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K37/0033
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pressure safety valve (PSV) indicator arranged to be secured to a PSV discharge pipe over a first through-bore arranged therein, the PSV indicator including a connection including a first radially inward facing surface, an indicator cylinder, including a radially outward facing surface, a first end connected to the connection, a second end, and a second radially inward facing surface extending from the first end to the second end, a plunger slidably arranged in the indicator cylinder, the plunger including a head, and a neck having a third end, and an inductive proximity sensor operatively arranged to determine the position of the plunger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.