Hydraulic type tensioner with relief valve
US6729986B2 · kind B2 · utility
7Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2002 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Jul 25, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2007/0859
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a hydraulic type tensioner with a relief valve. In this tensioner, a relief valve, which is opened and closed in accordance with the oil pressure of oil supplied under pressure from an oil pressure generating source such as an oil pump or the like through an oil supply port, is provided in a bypass oil path, which detours a check valve mechanism formed in a tensioner body and communicates between the oil supply port and a high pressure oil chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.