Title:
COOLING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2012/006645
Kind Code:
A3
Abstract:
In a cooling apparatus with a closed cooling circuit for cooling objects to semi-cryogenic or cryogenic temperatures of 230K to 80K, the cooling apparatus comprising a compressor for compressing a coolant, to which compressor the coolant is supplied in a gaseous state and from which the coolant emerges in a compressed gaseous state, an after-cooler which is connected downstream of the compressor and from which most of the coolant emerges in gaseous form, a counterflow heat exchanger comprising a feed line and a return line, which are arranged in such a manner that the compressed coolant is liquefied in the feed line by the expanded coolant flowing through the return line being heated, and a cooling head which is connected to the feed line and the return line and through which the coolant flows and in which the coolant is evaporated, the cooling head (11) is arranged in a vacuum chamber (16) which can be connected to a negative pressure source and is connected to the feed line and the return line (8, 9) of the counterflow heat exchanger (7) via flexible connecting lines (13, 14).
Inventors:
WILD JOHANNES (AT)
Application Number:
PCT/AT2011/000298
Publication Date:
November 22, 2012
Filing Date:
July 12, 2011
Export Citation:
Assignee:
WILD JOHANNES (AT)
International Classes:
F25D19/00
Domestic Patent References:
| WO1997033671A1 | 1997-09-18 | |||
| WO2002001123A1 | 2002-01-03 |
Foreign References:
| US5275595A | 1994-01-04 |
Attorney, Agent or Firm:
KESCHMANN, Marc (Patentanwälte OGSchottengasse 30, Wien, AT)
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