Title:
ABSORPTION REFRIGERATOR
Document Type and Number:
Japanese Patent JP2003328950
Kind Code:
A
Abstract:
To provide an absorption refrigerator requiring no daily maintenance of an extraction pump, causing no increase in running cost, nor a problem of waste oil disposal in the extraction pump.
The absorption refrigerator B has an extraction line C. The extraction pump A in the extraction line C is a dry vacuum pump A1 of a high vacuum attaining type. The dry vacuum pump A1 is, for example, a diaphragm type dry vacuum pump, and its diaphragm 3 is a diaphragm of a pump head inner face copying type. An intake valve mechanism 10 and an exhaust valve mechanism 20 are disposed to an outer surface 2b of a pump head 2.
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Inventors:
TAKAHASHI SHIGERU
SEKIKAWA ATSUSHI
KANETANI TOSHIHIKO
TAKAHATA SHUZO
SUZUKI KAZUHIKO
TANAKA HIROBUMI
ITOYAMA RYUJI
SEKIKAWA ATSUSHI
KANETANI TOSHIHIKO
TAKAHATA SHUZO
SUZUKI KAZUHIKO
TANAKA HIROBUMI
ITOYAMA RYUJI
Application Number:
JP2002139828A
Publication Date:
November 19, 2003
Filing Date:
May 15, 2002
Export Citation:
Assignee:
TOKYO GAS CO LTD
KAWASAKI THERMAL ENG
ULVAC KIKO INC
KAWASAKI THERMAL ENG
ULVAC KIKO INC
International Classes:
F04B39/10; F04B45/04; F25B43/04; (IPC1-7): F04B45/04; F04B39/10; F25B43/04
Attorney, Agent or Firm:
Taro Sogi
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