Patent · US Expired

Integrated reduction gear and counterrotation propeller

US4563129A · kind A · utility

19Cited by
23References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 8, 1983
Grant dateJan 7, 1986
Priority date
Expiry dateDec 8, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB64C11/48
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A combined counterrotation propeller and reduction gear in which the shaft for the forward propeller also carries the pinions of the reduction gear and the hollow shaft for the rearward propeller also carries the ring gear in mesh with the pinions. The bearings for the propeller shafts also support the elements of the reduction gear.

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