Enthalpy calculator
US4078431A · kind A · utility
6Cited by
2References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1976 |
| Grant date | Mar 14, 1978 |
| Priority date | — |
| Expiry date | Nov 19, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06G7/58
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An enthalpy calculator is disclosed having a humidity sensor for sensing relative humidity, connected to a multiplier and a temperature sensor, for sensing temperature, also connected to the multiplier wherein the output of the multiplier provides a signal which is representative of enthalpy. The multiplier may be a variable gain amplifier with the temperature sensor and humidity sensor connected to the input and in the feedback loop in either order such that either the temperature sensor or the humidity sensor changes the gain of the amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.