Electric motor-driven compressor

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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Details

F04B 39/00 (2006.01) F04C 29/00 (2006.01) H02K 5/22 (2006.01)

Patent

CA 2602928

An electric motor-driven compressor having a connector structure consisting of a terminal connecting portion and a casing, the terminal connecting portion being provided with a hole for inserting an external terminal for power supply to an electric motor for driving a compression mechanism incorporated in a compressor housing, the casing covering the terminal connecting portion. In the electric motor-driven compressor, a collar is provided between a core wire and a covering material of a cable, at at least a position corresponding to a sealing material provided at the cable inserting portion of the casing. The clearance between the cable and the sealing material can be prevented from increasing even when the cable is increased in temperature during power supply or when the cable is arranged in a bent fashion, and good sealing performance in the casing of the connector can be achieved, enhancing reliability and durability of the electric motor-driven compressor.

L~invention concerne un compresseur entraîné par un moteur électrique, comportant une structure de raccord constituée d~une partie de raccord de borne et d~un capot, la partie de raccord de borne étant pourvue d~un trou d~insertion d~une borne externe d~alimentation d~un moteur électrique entraînant un mécanisme de compression incorporé dans un corps de compresseur, le capot recouvrant la partie de raccord de borne. Dans le compresseur entraîné par un moteur électrique selon l~invention, un collier est monté entre une âme et un matériau d~enrobage d~un câble, tout au moins à une position correspondant à un matériau d~étanchéité placé au niveau de la partie d~insertion de câble du capot. L~invention permet d~empêcher l~élargissement de l~espace séparant le câble et le matériau d~étanchéité même lorsque la température du câble augmente au cours de l~alimentation ou lorsque le câble est recourbé. L~invention offre également un bon niveau d~étanchéité dans le capot du raccord, ce qui permet d~améliorer la fiabilité et la durabilité du compresseur entraîné par un moteur électrique.

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