Pressure balance valve
US8408231B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2011 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Oct 13, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87249
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A temperature controlling valve contains a body including a cylindrical chamber, a first opening, a second opening, a first inflow channel, and a second inflow channel; a sleeve member retained in the chamber and including at least one first orifice and second orifice; a first cover to close the first opening; a second cover applied to close the second opening; a valve core fitted into the sleeve member, wherein the first cover includes a first projected portion with a first guide tunnel; the first guide tunnel includes a first axial flowing section and a first longitudinal flowing section; the first projected portion includes a first circular back pressure fence; the second cover includes a second projected portion with a second guide tunnel; the second guide tunnel includes a second axial flowing section and a second longitudinal flowing section; the second projected portion includes a second circular back pressure fence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.