Steam trap
US4706699A · kind A · utility
2Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1986 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Nov 12, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/88062
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
There is provided a steam trap having a first valve seat and cooperating closure valve, and an associated control device. A second valve seat and cooperating closure valve are disposed downstream of the first valve seat. An actuating element influenced by the inlet pressure is provided for the second closure valve, which, furthermore, is acted upon by an opening biasing force of a certain magnitude.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.