Patent · US Expired

Rotary pump with radial yieldable partitions and rotatable side plate

US4334842A · kind A · utility

3Cited by
5References
4Claims
0Family size

Inventors

Key dates

Filing dateFeb 1, 1979
Grant dateJun 15, 1982
Priority date
Expiry dateFeb 1, 1999

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B9/045
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A volume pump which comprises a cylindrical pump chamber including therein a plurality of compartments which are radially formed with flexible partitions and side plates adapted to close opposite open sides of the pump chamber, suction and delivery means arranged in relation to the pump chamber and a deflection means disposed at a center of the pump chamber to successively compress each compartment.

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