Anti-drainback valves, flex tube assemblies including the same, and dual outlet fluid filter including the same
US11040298B2 · kind B2 · utility
0Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2018 |
| Grant date | Jun 22, 2021 |
| Priority date | — |
| Expiry date | Oct 17, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/465
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Anti-drainback valves, flex tube assemblies that include one or more anti-drainback valves, and fluid filters that include one or more flex tube assemblies and/or anti-drainback valves are disclosed. In embodiments the anti-drainback valves and flex tube assemblies are described in the context of their use in a multi (e.g. dual) pump fluid filter, such as a dual pump transmission fluid filter. Dual pump fluid filters including integral and separable flex tube assemblies are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.