Patent · US Expired

Direct action compressor fitted with a one-piece piston

US3986796A · kind A · utility

14Cited by
10References
8Claims
0Family size

Inventors

Key dates

Filing dateMar 19, 1975
Grant dateOct 19, 1976
Priority date
Expiry dateMar 19, 1995

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B2075/025
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A variable stroke alternating compressor is disclosed wherein a movable one-piece free piston 1 serves at the same time as an engine piston 2, a compressor piston 3, and a bounce piston 4; the elements are integrated; the assembly is dynamically balanced, cooled, and insulated. It has no movable mechanical connections. The elements thereof have motions which are all controlled by the travel of the free piston.

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