Method and apparatus for determination and display of critical gas supply information
US4876903A · kind A · utility
Inventor
Key dates
| Filing date | Mar 21, 1988 |
| Grant date | Oct 31, 1989 |
| Priority date | — |
| Expiry date | Mar 21, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF17C2270/0781
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for and method of determining and displaying important information pertaining to the use of breathable bottled gas in a pressurized fixed volume container. The apparatus determines and displays information such as consumption rate, gas requirement for future activity, gas time remaining under present and future conditions, as well as other information about the environment in a form that clearly shows critical parameters in an easily understood and intuitive Pictorial Display. The apparatus comprises transducers for measuring ambient pressures and the pressures of the bottled gas, processors or microprocessors for interpreting and analyzing the data and making the necessary computations, and a display screen for presenting information to the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.