Fluid pressure pulsation damper mechanism and high-pressure fuel pump equipped with fluid pressure pulsation damper mechanism
US8366421B2 · kind B2 · utility
18Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 2008 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Feb 10, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/315
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fluid pressure pulsation damper mechanism includes: a metal damper having two metal diaphragms joined together with a hermetic seal for forming a sealed spacing filled with a gas between the two metal diaphragms, an edge part overlapping along outer peripheries thereof, a main body having a damper housing in which the metal damper is accommodated, and a cover attached to the main body to cover the damper housing and isolate the damper housing from outside air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.