Drive mechanism for automated flow measuring device
US5440217A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 4, 1994 |
| Grant date | Aug 8, 1995 |
| Priority date | — |
| Expiry date | May 4, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2001/2291
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A drive system for a probe of the type containing a first tubular housing within a second tubular housing which first tubular housing is advanced into and retracted from a conduit to take measurements of fluid within the conduit has a stepper motor for advancing the first tubular housing precisely controlled distances into and within the conduit. The stepper motor is connected to the first tubular housing through a friction drive roller which presses against the first tubular housing. Additionally, a rotational motor is connected to the outer tubular housing through a timing belt which extends around the second tubular housing. Sensors may be provided for measuring linear and rotational movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.