Thermal expansion valve with one-way control function
US9631850B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2012 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | May 28, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7737
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A thermal expansion valve with one-way control function includes a valve body having an inlet passage and an out passage, a temperature sensor installed on one end of the valve body, and a first valve core component installed in an inside chamber of the valve body. The first valve core component includes a first valve core and a valve rod against the temperature sensor. The valve body also includes an accommodation component extending from said the inlet passage into the valve body and coaxially installed with the inlet passage. The accommodation component has a second valve port connected with the inside chamber. The accommodation component has a second valve core component having a supporting piece and a second valve core matching the second valve port. The processing of the structure is convenient and the assembly of the second valve core component is simple and reliable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.