Apparatus and method for detecting characteristics of a working fluid
US5660052A · kind A · utility
5Cited by
14References
28Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 2, 1995 |
| Grant date | Aug 26, 1997 |
| Priority date | — |
| Expiry date | Jun 2, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/24
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heat transfer system includes a high side pressure sensor in the form of a temperature dependent resistance in heat exchange with the system working fluid to locally heat the fluid in response to a control signal. Control means are provided for applying the control signal to the resistance and detecting a minimum thermal resistance between the thermistor and the working fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.