PERFORMANCE REGULATING DEVICE FOR FLUID MACHINERY

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 (JP)
MIYAKE YOSHIO (JP)
KAWABATA JUNYA (JP)
UWAI KEITA (JP)
MIYAZAKI YOSHIAKI (JP)
IIJIMA KATSUJI (JP)
KOBAYASHI MAKOTO (JP)

Application Number:

PCT/JP1999/000945

Publication Date:

September 10, 1999

Filing Date:

February 26, 1999

Export Citation:

Click for automatic bibliography generation Help

Assignee:

EBARA CORP (JP)
YAMAMOTO MASAKAZU (JP)
MIYAKE YOSHIO (JP)
KAWABATA JUNYA (JP)
UWAI KEITA (JP)
MIYAZAKI YOSHIAKI (JP)
IIJIMA KATSUJI (JP)
KOBAYASHI MAKOTO (JP)

International Classes:

F04D13/06; F04D15/00; (IPC1-7): F04B49/06; F04D15/00

Foreign References:

JPH1026085A	1998-01-27
JPH01280698A	1989-11-10
JPS62147395U	1987-09-17
JPH04243786A	1992-08-31
JPS61151989U	1986-09-19
JPS6192124A	1986-05-10
JPH02137574U	1990-11-16
JPH01245550A	1989-09-29
JPH0861353A	1996-03-08
JPS6276416U	1987-05-16

Other References: