Development of a continuous duty cryopump

Technical Report · Sun Jun 01 04:00:00 EDT 1986

DOI:https://doi.org/10.2172/5221254· OSTI ID:5221254

Sedgley, D W; Batger, T H; Call, W R

The continuous output of large quantities of gases at low pressure from fusion reactors, principally helium and hydrogen isotopes, dictates the need for a high speed pumping system that operates continuously, efficiently, and automatically. A liquid helium-cooled cryopump operated by a microprocessor controller can meet these requirements. The prototype system described herein features a single cryopump with three distinct pumping units: two units for pumping the vacuum chamber arranged so that one unit is closed for regenerating while the other is pumping the chamber (100% redundancy); and a collector pump, which is a high speed cryopump for receiving the regenerated gas. The unit pumps deuterium but can be changed readily to a sorption pump for helium service.

• Research Organization: Grumman Aerospace Corp., Bethpage, NY (USA). Space Div.; Lawrence Livermore National Lab., CA (USA)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 5221254
• Report Number(s): UCRL-15828; ON: DE86016069
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700209* -- Fusion Power Plant Technology-- Component Development & Materials Testing
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
COMPUTERIZED CONTROL SYSTEMS
CONTROL SYSTEMS
CRYOPUMPS
DESIGN
DEUTERIUM
ELEMENTS
EQUIPMENT
FLUIDS
GASES
HELIUM
HYDROGEN ISOTOPES
ISOTOPES
LABORATORY EQUIPMENT
LIGHT NUCLEI
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
PUMPS
RADIOISOTOPES
RARE GASES
STABLE ISOTOPES
TRITIUM
VACUUM PUMPS
YEARS LIVING RADIOISOTOPES