Patent · US Expired

Torsional vibration damper for a lock-up clutch

US4148200A · kind A · utility

55Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 1978
Grant dateApr 10, 1979
Priority date
Expiry dateJun 5, 1998

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H45/02
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A torsional vibration damper for a torque converter lock-up clutch having viscous and spring-damping characteristics during the initial relative movement between the input and output members of the clutch and a spring-damping characteristic during further relative movement. Viscous damping can also be provided during the further relative movement, if desired.

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