Ball float type liquidometer with vernier display
US10788354B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2016 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Jul 7, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/76
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a ball float type liquidometer with moving indicator, comprising a ball float chamber and a ferromagnetic spherical ball float provided therein, a moving indicator outside the ball float chamber, a calibrated scale and a moving indicator guide rail, wherein the moving indicator comprises a magnetic steel member, a frame and a rolling system which is horizontally fixed and sheathed in the frame; the rolling system comprises rolling wheels provided with radial grooves along a circumferential surface, rolling bearings and shafts; the magnetic steel member is located between the ball float chamber and the frame and is fixed outside one side face close to the ball float chamber on the frame, and a magnetic pole of the magnetic steel member is directly oriented towards the ball float.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.