Conductive fluid turbulence detection system
US4568947A · kind A · utility
8Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 1984 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Mar 20, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A safety device for the conductive-fluid circulation system of an ink-jet printer consists of a sensor and an associated electronic circuit inserted between an ink-drop recovery trough and a recirculating pump. The level of turbulence of the fluid flow within a pipe segment of insulating material located between two conductive pipe segments is determined by the sensor by measuring the variation in conductivity in relation to variations in cross-sectional area of fluid within the insulating pipe segment and by delivering a control logic signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.