Safety valve device
US9526224B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2013 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Dec 20, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87708
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A safety valve device for a milking installation for milking milk-producing animals having a first valve with a first port and with a first port connector, a second valve with a second port and with a second port connector, a third valve with a third port and a third port connector, a drive, a common actuator, and at least one valve spring, and arranged so that the first port connector of the first valve is in fluid communication with the second port connector of the second valve, and the safety valve device can be moved between a first switching position, in which the first valve and the second valve are closed in order to block the first port and the second port and the third valve, is open a transition position, in which the first valve, the second valve and the third valve are closed, and a second switching position, in which the first valve and the second valve are open to connect the first port to the second port and the third valve is closed to block the third port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.