Method and apparatus for heating a fluid stream
US4871308A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Nov 25, 1987 |
| Grant date | Oct 3, 1989 |
| Priority date | — |
| Expiry date | Nov 25, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24H1/28
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An improved method and apparatus for heating fluids wherein separate gas streams of natural gas and air are compressed to a preselected pressure, passed to an injection and mixing zone for thorough mixing including expansion of one gas and compression of the other, passed to a combustion chamber for burning with the combustion products being further contracted and passed to a heat exchanger conduit where such combustion products are progressively further contracted as they are brought into heat exchange with the fluid to be heated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.