Background tank fill
US6134896A · kind A · utility
29Cited by
19References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1999 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Mar 19, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2345/0052
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A refrigerant servicing system includes a main supply tank of refrigerant and an auxiliary tank which is coupled to the main tank by a valve which is selectively controlled by a circuit also coupled to weight and pressure sensors to assure the main tank has a level of refrigerant adequate for providing a continuous supply of refrigerant during servicing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.