Patent · US Expired

Hydrostatic control device, particularly steering device

US4533303A · kind A · utility

6Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 21, 1983
Grant dateAug 6, 1985
Priority date
Expiry dateNov 21, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86638
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A geroter hydrostatic steering control is disclosed in which the directional valve is spring biased to a neutral position. The rotor, the commutating valve, the rotor casing and the directional valve are all axially aligned adjacent to each other thus reducing the overall axial length of the device.

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