Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
F25B 2309/14

Compression machines, plants or systems characterised by the cycle used

Full Title

Gas cycle refrigeration machines > Compression machines, plants or systems characterised by the cycle used

26 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • F25B 2309/1401 Ericsson or Ericcson cycles
  • F25B 2309/1402 Pulse-tube cycles with acoustic driver
  • F25B 2309/1403 Pulse-tube cycles with heat input into acoustic driver
  • F25B 2309/1404 Pulse-tube cycles with loudspeaker driven acoustic driver
  • F25B 2309/1405 Pulse-tube cycles with travelling waves
  • F25B 2309/1406 Pulse-tube cycles with pulse tube in co-axial or concentric geometrical arrangements
  • F25B 2309/1407 Pulse-tube cycles with pulse tube having in-line geometrical arrangements
  • F25B 2309/1408 Pulse-tube cycles with pulse tube having U-turn or L-turn type geometrical arrangements
  • F25B 2309/1409 Pulse-tube cycles with pulse tube having special type of geometrical arrangements not being a coaxial, in-line or U-turn type
  • F25B 2309/1411 Pulse-tube cycles characterised by control details, e.g. tuning, phase shifting or general control
  • F25B 2309/1412 Pulse-tube cycles characterised by heat exchanger details
  • F25B 2309/1413 Pulse-tube cycles characterised by performance, geometry or theory
  • F25B 2309/1414 Pulse-tube cycles characterised by pulse tube details
  • F25B 2309/1415 Pulse-tube cycles characterised by regenerator details
  • F25B 2309/1416 Pulse-tube cycles characterised by regenerator stack details
  • F25B 2309/1417 Pulse-tube cycles without any valves in gas supply and return lines
  • F25B 2309/1419 Pulse-tube cycles with pulse tube having a basic pulse tube refrigerator [PTR], i.e. comprising a tube with basic schematic
  • F25B 2309/1421 Pulse-tube cycles characterised by details not otherwise provided for
  • F25B 2309/1422 Pulse tubes with basic schematic including a counter flow heat exchanger instead of a regenerative heat exchanger