Liquid flow sensor fox x-ray tubes

Details Liquid flow sensor fox x-ray tubes Liquid flow sensor fox x-ray tubes

2005-01-05

2009-08-25

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Source

Electron tube

C378S200000

Reexamination Certificate

active

07580507

ABSTRACT:
A housing (30) surrounds at least a portion of an x-ray tube (1). A cooling system (32, 32′) supplies a cooling liquid through the housing. The cooling system includes a pump (40, 40′) and a flow sensor system (60, 60′) which measures a pressure difference across the pump. A processor (80, 80′, 82, 82′) determines a cooling fluid flow rate from the pressure difference. A controller (81, 81′, 82, 82′, 107) limits operation of the x-ray tube based on the cooling fluid flow rate and a measured temperature of the cooling fluid to prevent x-ray tube overheating while minimizing cooling time between x-ray tube operations.

REFERENCES:
patent: 5732123 (1998-03-01), Peralta et al.
patent: 6286998 (2001-09-01), Dilick
patent: 6623160 (2003-09-01), McCarthy, Jr.
patent: 2002/0146092 (2002-10-01), Richardson et al.
patent: 2004/0011305 (2004-01-01), Herynek et al.
patent: 2005/0159735 (2005-07-01), Walton et al.

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