Valve device
US11946675B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2021 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Aug 27, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D21/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve device comprises a case comprising an open lower portion and an accommodation space formed therein, a base plate to cover the open lower portion of the case, an inlet pipe connected to the base plate and through which a refrigerant is introduced to the accommodation space, a boss installed to the base plate and comprising a plurality of refrigerant inlet and outlet holes through which the introduced refrigerant from the accommodation space is introduced and discharged, a plurality of inlet and outlet pipes respectively connected to the plurality of refrigerant inlet and outlet holes, and through which the refrigerant is introduced from the boss or discharged to the boss, and a pad comprising an open cavity formed therein to selectively open one refrigerant inlet and outlet hole, and a connection cavity formed therein to selectively connect two refrigerant inlet and outlet holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.