Pneumatic brake booster with low operating noise
US6976417B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2004 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Apr 26, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T13/575
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The subject of the present invention is a pneumatic brake booster comprising an envelope in which a skirt (2) slides in a sealed manner, a pneumatic piston (8) rigidly attached to the skirt, a three-way valve (20) actuated by a control rod (22) operated at a first end by a pedal, a plunger (32) mounted at a second longitudinal end which is the opposite end and slideably mounted in the body of the piston, the control rod and the plunger forming a brake control (33), characterized in that the said booster comprises means (68) of damping the relative and in particular oscillatory movement between the brake control (33) and the pneumatic piston (8).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.