Patents Assigned to Quiri
  • Self-locking shock absorber with volume compensation
    Patent number: 4241816
    Abstract: An automatic-locking damping unit designed to prevent damage to pipelines exposed to violent shaking. The unit is characterized by the presence of a compensating chamber provided in the inner cavity of the cross-head; this chamber communicating with the inner space of the unit via two valves and nozzles. The invention is of interest to designers of hydraulic equipment.
    Type: Grant
    Filed: November 1, 1978
    Date of Patent: December 30, 1980
    Assignee: Quiri
    Inventors: Gerard Hubrecht, Gerard Mechain