Regulation valve
US8281780B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2009 |
| Grant date | Oct 9, 2012 |
| Priority date | — |
| Expiry date | Feb 23, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87523
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A regulation valve having a valve body with a gas inlet. Housed within the valve body is a rotary regulatory body having a first inlet orifice corresponding to a first minimum flow of a first type of gas and a second inlet orifice corresponding to a second minimum flow of a second type of gas. The first and second inlet orifices are angularly displaced so that when the regulatory body assumes a first angular position within the regulatory body the first inlet orifice faces the gas inlet and so that when the regulatory body assumes a second angular position within the regulatory body the second inlet orifice faces the gas inlet. The regulation valve includes first and second sets of cooperating features that are capable of limiting rotation of the regulatory body to the first and second angular positions, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.