Patent · US Expired

Machine hydraulic system

US6290474A · kind A · utility

5Cited by
11References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 1999
Grant dateSep 18, 2001
Priority date
Expiry dateNov 24, 2019

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF15B1/26
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A machine, in particular an industrial truck, is provided with a hydraulic system that has at least one reservoir (1) for hydraulic fluid and at least one hydraulic pump (5). The hydraulic pump (5) is located inside the reservoir (1). A priority valve (8a) is connected to the hydraulic pump (5) by a flange connection. An electric drive motor (3) of the hydraulic pump (5) can also be located inside the reservoir (1).

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