Fluid exchange devices and related controls, systems, and methods
US10988999B2 · kind B2 · utility
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119References
20Claims
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Key dates
| Filing date | Nov 8, 2019 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Nov 8, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C27/006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Devices for exchanging properties, such as pressure, between at least two fluid streams and related methods may include pistons coupled to a valve stem. The valve stem and valve body may be configured to define a primary seal between the one or more pistons and the valve body and a secondary seal between the one or more pistons and the valve body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.