Servo type volumetric flowmeter employing a pump unit system
US7905142B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 25, 2008 |
| Grant date | Mar 15, 2011 |
| Priority date | — |
| Expiry date | Jun 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F25/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A volumetric flowmeter (1) is equipped with a detachable pump unit (2), a main body casing (3) accommodating the pump unit (2), and a cover member (4). The main body casing (3) is equipped with a front side main body casing (8) accommodating the pump unit (2) and integrated with a differential pressure detector (6), and a rear side main body casing (10) connected to the front side main body casing (8) and allowing mounting therewithin of a servomotor (9) constituting a main body of a shaft driving unit (5). The pump unit (2) is inserted into a unit accommodating recess (11) of the front side main body casing (8) and is then covered with the cover member (4) to be thereby completely accommodated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.