Hydraulic tensioner device
US9470295B2 · kind B2 · utility
3Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2015 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Apr 24, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2007/0893
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a hydraulic tensioner device in which a high hydraulic pressure chamber is configured between a plunger accommodation hole of a tensioner body accommodating a plunger and the plunger to attenuate reactive force acting on the plunger, the tensioner body includes, in a discharge oil passage for discharging oil leaked from the high hydraulic pressure chamber, a pressure maintenance valve for opening and closing the discharge oil passage, air release passages are formed inside the pressure maintenance valve, and an air release valve for releasing air and preventing air from back flowing is provided in the air release passages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.