Method and means for injecting hot liquid when pumping cold liquid
US4188172A · kind A · utility
3Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1978 |
| Grant date | Feb 12, 1980 |
| Priority date | — |
| Expiry date | May 24, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/708
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method of and means for introducing a heated liquid into a cold liquid the purpose of improving the pumping rate of the cold viscous liquid is provided. The heated liquid is directed upward into the suction inlet of the cold liquid pump through an orifice or a multiplicity of small orifices which are disposed a selected distance below the suction inlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.