Digital flow meter for dispensing fluids
US4700579A · kind A · utility
29Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 5, 1986 |
| Grant date | Oct 20, 1987 |
| Priority date | — |
| Expiry date | Feb 5, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/115
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A flow meter mounted in a flow delivery line and having a meter housing with a fluid opening and an electric counter. A turbine rotor supported on a turbine shaft is disposed in the fluid opening, the turbine having plural turbine blades with ferrous slugs embedded therein, the electric counter responding thereto for fluid delivery indication. Each turbine blade is tapered from front to rear into a feathered trailing edge and has a top concave surface along its length and a bottom convex surface. A pair of shaft supports, having fluid ports for washing about the turbine shaft, are provided to support the turbine rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.