Recreational vehicle wastewater tank measurement system and method
US9797761B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Aug 24, 2015 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Aug 24, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L7/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid level measurement device and method for a wastewater tank or tanks in a recreational vehicle may be implemented by attaching a visual liquid level measuring module (such as a liquid level sight or a mechanical pressure gage) to the inlet of a gate valve that is configured for attachment to the outlet of a recreational vehicle wastewater dump system. The visual liquid level measuring module is configured to entirely fit inboard of the sidewalls of the recreational vehicle and underneath the floor of the recreational vehicle. The liquid level of the wastewater tank may be measured by (a) closing the gate valve, (b) opening a shutoff valve upstream of the gate valve but downstream of the wastewater tank, and (c) reading the level of the liquid indicated by the visual liquid level indicating device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.