AIR CONDITIONING DEVICE - Mitsubishi Electric Corporation

Title:

AIR CONDITIONING DEVICE

Document Type and Number:

WIPO Patent Application WO/2011/117922

Kind Code:

A1

Abstract:

Disclosed is an air conditioning device wherein loud refrigerant noise generated when an operating mode is changed has been reduced. When the operation is changed from a first operating mode to a second operating mode, the air conditioning device (100) controls one or all of a plurality of restriction devices in the direction of reducing the pressure difference in heat source-side refrigerants provided to the front and rear of the plurality of restriction devices to below the operation status in the first operating mode; controls one or all of a plurality of second channel switching devices; controls one or all first switchgear devices and second switchgear devices; and then changes to the second operating mode after the passage of a predetermined time.

Inventors:

MORIMOTO, Hiroyuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
森本裕之 (〒10 東京都千代田区丸の内二丁目７番３号三菱電機株式会社内 Tokyo, 〒1008310, JP)
YAMASHITA, Koji (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)

Application Number:

JP2010/002104

Publication Date:

September 29, 2011

Filing Date:

March 25, 2010

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Assignee:

Mitsubishi Electric Corporation (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
三菱電機株式会社 (〒10 東京都千代田区丸の内二丁目７番３号 Tokyo, 〒1008310, JP)
MORIMOTO, Hiroyuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
森本裕之 (〒10 東京都千代田区丸の内二丁目７番３号三菱電機株式会社内 Tokyo, 〒1008310, JP)

International Classes:

F25B1/00

Attorney, Agent or Firm:

KOBAYASHI, Hisao et al. (KISA PATENT & TRADEMARK FIRM, The 6th Central Bldg. 19-10, Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)

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Claims:

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