Kinetic energy absorbing value assembly
US3968862A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1974 |
| Grant date | Jul 13, 1976 |
| Priority date | — |
| Expiry date | Mar 20, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R19/32
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An energy absorption unit wherein a piston is movably mounted in a compressible solid chamber, the piston including first and second passages, the compressible solid material to be conducted only through said first passages during low energy damping levels, a valve means connected to said piston through a shear pin assembly, said valve means normally closing said second passages, at a predetermined high energy level said shear pin assembly being caused to fail also permitting conductance of said compressible solid material through said second passages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.