Control logic for maintaining proper solution concentration in an absorption chiller in co-generation applications
US7065976B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | May 19, 2005 |
| Grant date | Jun 27, 2006 |
| Priority date | — |
| Expiry date | May 19, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2500/08
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
This application discloses a control logic for maintaining a proper solution concentration within an absorption chiller. Further, safeguards are added to a system control to ensure robust operation when operated in a co-generation application with a heat source such as a micro-turbine, a reciprocating engine, etc. In such applications, in proper management of the heat flow into the chiller from such sources can result in crystallization of the absorption solution, which would be undesirable. Inventive control logic works to minimize such occurrences.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.