Abstract
A cryogenic pump may include a housing and a drive shaft positioned in the housing. The cryogenic pump may include at least one pump stage positioned in the housing, the at least one pump stage comprising an impeller coupled to the drive shaft. The cryogenic pump may include a balance drum coupled to the drive shaft and positioned in the housing. The cryogenic pump may additionally include a motor comprising a rotor slidably coupled to the drive shaft, the drive shaft configured to rotate with the rotor and move in an axial direction relative to the rotor and the housing during operation of the cryogenic pump.
Full Text
What is claimed is:
A cryogenic pump may include a housing and a drive shaft positioned in the housing. The cryogenic pump may include at least one pump stage positioned in the housing, the at least one pump stage comprising an impeller coupled to the drive shaft. The cryogenic pump may include a balance drum coupled to the drive shaft and positioned in the housing. The cryogenic pump may additionally include a motor comprising a rotor slidably coupled to the drive shaft, the drive shaft configured to rotate with the rotor and move in an axial direction relative to the rotor and the housing during operation of the cryogenic pump.
Timeline
Filed
03/12/2026Published
07/16/2026Granted
Not AvailableIPC Codes(3)
F04D 23/00:Other rotary non-positive-displacement pumps specially adapted for elastic fluids (pumping installations or systems F04D 25/00)
F04D 29/52:for axial pumps
F04D 29/66:Combating cavitation, whirls, noise, vibration, or the like (gas-flow silencers for machines or engines in general F01N); Balancing (surge control F04D 27/02)