Temperature-compensating liquid meter
US3937083A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1975 |
| Grant date | Feb 10, 1976 |
| Priority date | — |
| Expiry date | Jan 16, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7303
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An automatic, temperature-compensated liquid or fuel metering device comprises a measuring chamber having a pair of magnetically responsive vertically spaced reed switches therein which are selectively actuated by a magnetcarrying float to control valves associated with the chamber to supply a predetermined increment of liquid to the chamber and thereafter to drain that increment from the chamber into a reservoir. The volume of each increment is dependent upon the spacing between the reed switches, and that spacing is controlled by a bellows having a sample of the liquid being measured sealed therein, the bellows being disposed in the path of flow of liquid to the chamber and being operative to vary the volume of said increments with variations in the temperature of the liquid being measured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.