Patent · US Expired

Power-drive transmission with viscous clutch

US4718300A · kind A · utility

4Cited by
8References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 23, 1985
Grant dateJan 12, 1988
Priority date
Expiry dateJan 23, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2048/426
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A power-drive transmission (1) with viscous clutch (7) between the hollow wheel (6) and the sun wheel (5) of the front-wheel planetary gear (1). The front wheel planetary gear (1) is axially situated between the take-off wheel (6) and the clutch (7). The sun wheel (5) and the take-off wheel (6) form together a single structural part. Many structural parts are produced substantially without cutting either (5,6,8) by sintering, casting or cold recasting or (4,14,15,16) by sheet-metal recasting technology. The viscous clutch (7) becomes a cheap, easily assemblable exchange part which, filled with silicon oil and functionally tested, is prepared as spare part ready for installation.

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