Title:
【発明の名称】冷却を実施する装置および方法
Document Type and Number:
Japanese Patent JPH10508937
Kind Code:
A
Abstract:
PCT No. PCT/SE95/01372 Sec. 371 Date May 16, 1997 Sec. 102(e) Date May 16, 1997 PCT Filed Nov. 17, 1995 PCT Pub. No. WO96/16302 PCT Pub. Date May 30, 1996The invention relates to a refrigeration system of the air cycle cooling system type, also called reversed Brayton cycle in which the air flow through compressor means (12, 16), heat exchanger means (24) for withdrawal of heat from the compressed air and finally expander means (22) from where it is delivered to perform cooling. According to the invention the system includes heat load means (41) having a large flow resistance, creating a considerable over-pressure at the expander outlet (23). A rotary screw machine is included in the expander (22) and also in the compressor means (12, 16), which latter screw rotor machine (12) is driven solely by the screw rotor machine (22) of said expander means. A screw rotor machine (16) connected in parallel with the screw rotor machine (12) of said compressor means is driven separately, preferably by a drive engine (19), the rotational speed of which si controlled by pressure sensing means (36) in a conduit between the expander outlet (23) and an inlet to the heat load means (41), and thereby-via said expander means-also drive the velocity of the screw rotor machine (12) of said compressor means. The system is particularly intended for cooling the electronic equipment in air-craft when being on the ground.
Inventors:
Eurek Tureson
Henrik Ehmann
Henrik Ehmann
Application Number:
JP51677396A
Publication Date:
September 02, 1998
Filing Date:
November 17, 1995
Export Citation:
Assignee:
Svenska Rottaa Maschinaa Activolag
International Classes:
B64D13/06; F04C23/00; F04C28/02; F04C28/08; F24F5/00; F25B9/00; (IPC1-7): F25B9/00
Attorney, Agent or Firm:
Shigeru Yagita (2 outside)