Zexel Gmbh

Epson Corporation

Takeshi Fujihisa

Osamu Shinkawa

Akihito Uetake

Nobukazu Takagi

Kiyohiro Harada

Sakae Mashio

A compressor start-up controller includes a compressing section (37-39) for compressing a refrigerant; a motor (25) connected to the compressing section for rotating the compressing section; a drive circuit (10) connected to the motor for driving the motor; a rotation detecting device (1) connected to the drive circuit for detecting whether the motor is normally rotating; a control unit (8) connected to the drive circuit for operating the motor in a step mode at a very slow rotation at its start-up for effecting electricity conducting control to gradually increase or decrease commutating current at a very slow speed during the step mode operation at the motor start-up.

Growing community of inventors

Tokyo, Japan

Takeshi Fujihisa