COOLING SYSTEMS AND METHODS - TESLA ENGINEERING LTD

Title:

COOLING SYSTEMS AND METHODS

Document Type and Number:

WIPO Patent Application WO/2010/089574

Kind Code:

A3

Abstract:

An ion therapy system comprises a particle accelerator (1) mounted on a rotatable gantry (2). The particle accelerator includes a superconducting coil (17) which rotates about its axis as the particle accelerator rotates about the gantry axis in use to direct an output beam towards a target from different directions. The particle accelerator is rotatable through (180) degrees to move the beam through a corresponding arc. The particle accelerator includes cooling system arranged to cool the coil as the coil rotates. The superconducting coil (17) is mounted in a coil support (25). The coil is surrounded by a cryogen chamber (32) which is located radially outwardly from the coil (17) on the other side of the support (25). The cryogen chamber is in fluid communication with a cryogen recondensing unit (29) whereby vaporized cryogen may flow from the cryogen chamber (32) to the cryogen recondensing unit (29) to be recondensed in use before returning to the cryogen chamber. Thermally conductive means (40) is arranged to facilitate heat transfer from the superconducting coil (17) to the cryogen chamber (32) to vaporize cryogen contained therein in use and thereby remove heat from the coil

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Inventors:

BEGG MICHAEL COLIN (GB)
GOLDIE FREDERICK THOMAS DAVID (GB)

Application Number:

PCT/GB2010/000231

Publication Date:

September 30, 2010

Filing Date:

February 09, 2010

Export Citation:

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Assignee:

TESLA ENGINEERING LTD (GB)
BEGG MICHAEL COLIN (GB)
GOLDIE FREDERICK THOMAS DAVID (GB)

International Classes:

H05H7/00; H01F6/04; H05H11/00; H05H13/00; H05H13/02

Foreign References:

FR2560421A1	1985-08-30
US4507616A	1985-03-26
DE102006035094B3	2008-04-10
US20060236709A1	2006-10-26
EP1522867A2	2005-04-13

Attorney, Agent or Firm:

DEHNS (10 Salisbury Square, London EC4Y 8JD, GB)

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