Patent · US Expired

Hydraulic unit

US6978608B2 · kind B2 · utility

3Cited by
7References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 15, 2002
Grant dateDec 27, 2005
Priority date
Expiry dateJul 25, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B23/025
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

What is disclosed is a hydraulic unit for a plastics processing machine, in particular a hydraulically actuated injection molding machine. In accordance with the invention, the drive mechanism of a pump of a hydraulic circuit is provided inside the tank to ensure optimum acoustic and vibration attenuation.

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