Patent · US Expired

Piston pump assembly having load responsive controls

US4034564A · kind A · utility

7Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1976
Grant dateJul 12, 1977
Priority date
Expiry dateJan 23, 1996

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B49/08
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A piston pump having a housing and an angularly adjustable swash plate for controlling piston displacement and the flow of fluid discharged from the pump has improved control means for controllably positioning the swash plate in response to a modified load pressure signal.

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