MOTOR UNIT AND ELECTRIC PUMP DEVICE

• Main Authors: SAKAMOTO HITOSHI, ABE TATSUO, KOBAYASHI YOSHIYUKI
• Format: Patent
• Language: English; Japanese
• Published: 09.04.2020
• Subjects: BLASTING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; WEAPONS

To provide a motor unit in which co-rotation of an inverter substrate with a screw member can be inhibited and load can be inhibited from being applied to a terminal and a solder.SOLUTION: A motor unit 10 includes: a motor; an inverter substrate 40 that is electrically connected to the motor; a housing 11 in which the motor and the inverter substrate are housed; terminals 51 that are positioned at respective ends of wiring members extending over outside and inside the housing and that are inserted in terminal insertion holes 41 passing through the inverter substrate; screw members 60 that fix the inverter substrate to the housing or the motor by being inserted in screw insertion holes 42 passing through the inverter substrate; and a substrate positioning structure 70 that positions the inverter substrate with respect to the housing.SELECTED DRAWING: Figure 4 【課題】インバータ基板がネジ部材と供回りすることを抑えられ、ターミナルや半田に負荷がかかることを抑制できるモータユニットを提供する。【解決手段】モータユニット１０は、モータと、モータと電気的に接続されるインバータ基板４０と、モータおよびインバータ基板を収容するハウジング１１と、ハウジングの外部と内部とにわたって延びる配線部材の端部に位置し、インバータ基板を貫通するターミナル挿入孔４１に挿入されるターミナル５１と、インバータ基板を貫通するネジ挿入孔４２に挿入され、ハウジングまたはモータに対してインバータ基板を固定するネジ部材６０と、ハウジングに対してインバータ基板を位置決めする基板位置決め構造７０と、を備える。【選択図】図４