Electronic device with cooling function
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Dec 15, 2014
filing date -
Dec 18, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An electronic device with a cooling function includes a cap nut, a case, a semiconductor unit, a second bus bar for external output, and a connecting bolt. The case includes a side wall and a bottom surface. The bottom surface of the case has a coolant passage and a recessed portion to receive the cap nut. The coolant passage is open to above and is generally U-shaped. The recessed portion is positioned in a position surrounded by the coolant passage and the side wall of the case, and the cap nut is received in the recessed portion. The semiconductor unit includes a first bus bar that extends from the semiconductor unit. The semiconductor unit is fixed to the case in a posture and position that closes off the coolant passage from above. The second bus bar passes through the side wall of the case. Inside the case, the connecting bolt passes through the first bus bar and the second bus bar and screws into the cap nut, and the cap nut and a head portion of the connecting bolt bring the first bus bar and the second bus bar into close contact.
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