Patent · US Expired

Viscous damper having a conical plunger tube

US4648577A · kind A · utility

7Cited by
3References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 27, 1985
Grant dateMar 10, 1987
Priority date
Expiry dateJun 27, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16F15/023
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A damper which comprises a damper housing and a damper plunger in which the damper plunger comprises a top plate for the reception of an object that is to be damped, and a plunger tube. The plunger tube is frustoconical in configuration and can be moved into and out of a damping medium present in the damper housing, the larger cone diameter end of the plunger tube being directed into the damper medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.