Viscous damper having rigid plastic structure
US4432254A · kind A · utility
19Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 23, 1981 |
| Grant date | Feb 21, 1984 |
| Priority date | — |
| Expiry date | Mar 23, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2122
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A viscous damper which has any one or more of three main features, namely at least one of a rotor and housing being formed from rigid plastic material, a bearing projection on one housing portion extending from the plane of the housing working surface less than shear film spaced relation toward the working surface of the rotor member, and means for closing a filler opening through the housing comprising a sealing disk engaging on a shoulder across the opening and a retainer pressing the disk onto the shoulder and having radial retaining teeth, retainingly engaging a wall about the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.