Method and apparatus for determining a viscosity of an actuating fluid
US6216528A · kind A · utility
20Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1998 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Dec 15, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N11/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention provides a method and apparatus for determining the viscosity range and/or oil grade of an actuating fluid in a fuel system. The method includes the steps of determining a flow, pressure, and temperature of the actuating fluid, and responsively determining the viscosity range and/or oil grade of the actuating fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.