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Patent Searching and Data


Title:
PERFORMANCE REGULATING DEVICE FOR FLUID MACHINERY
Document Type and Number:
WIPO Patent Application WO/1999/045273
Kind Code:
A1
Abstract:
A device for regulating the performance of fluid machinery by regulating the revolution speed of the fluid machinery, comprising a frequency converter (48), cases (46, 47) for housing the frequency converter (48) to ensure air-tightness against the outside air, power input and output means (114, 115) provided in a case to ensure air-tightness against the outside air, and output frequency regulating means capable of regulating an output frequency, such as a rotary switch.

Inventors:
Yamamoto, Masakazu (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Miyake, Yoshio (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Kawabata, Junya (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Uwai, Keita (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Miyazaki, Yoshiaki (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Iijima, Katsuji (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Kobayashi, Makoto (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Application Number:
PCT/JP1999/000945
Publication Date:
September 10, 1999
Filing Date:
February 26, 1999
Export Citation:
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Assignee:
EBARA CORPORATION (11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Yamamoto, Masakazu (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Miyake, Yoshio (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Kawabata, Junya (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Uwai, Keita (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Miyazaki, Yoshiaki (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Iijima, Katsuji (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
Kobayashi, Makoto (Ebara Corporation 11-1, Haneda Asahi-cho Ohta-ku, Tokyo, 144-8510, JP)
International Classes:
F04D13/06; F04D15/00; (IPC1-7): F04B49/06; F04D15/00
Foreign References:
JPH1026085A1998-01-27
JPH01280698A1989-11-10
JPS62147395U1987-09-17
JPH04243786A1992-08-31
JPS61151989U1986-09-19
JPS6192124A1986-05-10
JPH02137574U1990-11-16
JPH01245550A1989-09-29
JPH0861353A1996-03-08
JPS6276416U1987-05-16
Other References:
See also references of EP 1061258A1
Attorney, Agent or Firm:
Watanabe, Isamu (GOWA Nishi-Shinjuku 4F 5-8, Nishi-Shinjuku 7-chome Shinjuku-ku Tokyo, 160-0023, JP)
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