Matsushita Refrigeration Company

Takao Yoshimura

Hironari Akashi

Ichiro Kita

Junichiro Yabiki

Takashi Koyama

Ichiro Morita

Masao Mangyo

Takeshi Ohno

Koh Inagaki

Hideharu Ogahara

Akio Yagi

Akira Hayashi

Hermetic-type compressor

A compressor equipped with a compressing unit comprising a compressing section and a motor section which are connected to each other and Which are encased in a closed vessel, the compressing section including a crank shaft rotatable so that a piston reciprocates within a cylinder and the motor section comprising a rotor and stator and disposed at a lower side of the compressing section, the rotor being connected to the crank shaft so that the crank shaft is rotatable in response to driving of the motor section. Springs are provided between the compressing unit and the closed vessel so as to elastically support the compressing section and the motor section, and first and second balance weights are respectively provided on upper and lower portions of a rotor of the motor section. The first and second balance weights are determined on the basis of the resultant load to be applied to an eccentric portion of the crank shaft, a con'rod and the piston, the loads of the first and second balance weights and distances among the first and second balance weights and the eccentric portion of the crank shaft.

Hermetic compressor

A hermetic compressor includes a sealed casing which accommodates therein a compressing unit for compressing a refrigerant and a driving unit for driving the compressing unit. An induction pipe is provided in the sealed casing for introducing the refrigerant into the compressing unit. The induction pipe has an outlet end communicating with the interior of the compressing unit and an inlet end which is opened to space in the sealed casing at a position corresponding to a node of a standing wave of the refrigerant in the sealed casing.

Rotary compressor with stabilized rotor

Growing community of inventors

Kamakura, Japan

Takao Yoshimura