Turbine flowmeter
US4918996A · kind A · utility
4Cited by
10References
1Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 30, 1987 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Sep 30, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F15/008
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A turbine flowmeter comprises an impeller which has a rotary shaft rotatable together with the impeller and is provided within a flow passage through which a fluid to be measured flows, a pair of bearing members for axially supporting the rotary shaft, an oil accumulating part provided in a vicinity of the bearing member for holding a lubricating oil therein, and an oil supplying part for supplying the lubricating oil in the oil accumulating part in small quantities to at least one of the bearing members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.