Double flapper valve for a variable cam timing system
US11111827B2 · kind B2 · utility
0Cited by
36References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2019 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | May 6, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2820/01
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An inlet check valve for controlling fluid from a supply into a variable cam timing phaser includes a double flapper check valve assembly with an open position and a closed position, which includes a housing having a body, at least one stopper, a flapper valve comprising at least two flexible flaps received within the housing and aligned with the stopper(s), and a valve seat received within the housing, the valve seat defining openings aligned with the at least two flexible flaps, axially opposite the two stoppers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.