Patent · US Expired

Compressor

US7331772B2 · kind B2 · utility

10Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 2004
Grant dateFeb 19, 2008
Priority date
Expiry dateMar 30, 2026

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B35/045
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A compressor comprises a reciprocating motor disposed within a casing, for generating a driving force; a compressing unit for sucking, compressing and discharging gas by a linearly reciprocating motion of a piston connected to the reciprocating motor; a plurality of resonant springs connected to the piston, for inducing a resonant motion to the linearly reciprocating motion of the piston, wherein centers of the resonant springs are positioned at the same radius on the basis of a central axis of the piston.

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