Patent · US Active

Speed variable pump

US11034071B2 · kind B2 · utility

0Cited by
3References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 25, 2016
Grant dateJun 15, 2021
Priority date
Expiry dateMar 1, 2038

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C2945/76785
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Disclosed is a hydraulic system for a molding system, the molding system having a clamp actuator and an injection actuator, the hydraulic system comprising a clamp accumulator for storing hydraulic fluid for use in actuating the clamp actuator; an injection accumulator for storing hydraulic fluid for use in actuating the injection actuator; a pump for conveying hydraulic fluid to the clamp accumulator and the injection accumulator; and a selector valve for selectively fluidly connecting the pump to one of the clamp accumulator and the injection accumulator.

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