Patent · US Expired

Torque transmission with a hydraulic coupling unit and locking clutch

US4987981A · kind A · utility

5Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 10, 1989
Grant dateJan 29, 1991
Priority date
Expiry dateAug 10, 2009

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2045/0294
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In a torque transmission, particularly for an automotive vehicle, of the kind including a hydraulic coupling unit and a locking clutch, the latter comprises essentially a piston and a clutch plate, the piston being mounted slidably on a hub to enable the friction pad to be gripped. The piston is coupled with the clutch plate through profiled coupling.

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