Patent · US Expired

Kinetic energy absorbing value assembly

US3968862A · kind A · utility

27Cited by
10References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1974
Grant dateJul 13, 1976
Priority date
Expiry dateMar 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.