US 11,910,747 B2
Electric work machine with cooling air ventilation
Takuya Matsumoto, Wako (JP); and Makoto Uchimi, Wako (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
Filed on Jul. 15, 2020, as Appl. No. 16/929,613.
Claims priority of application No. 2019-145083 (JP), filed on Aug. 7, 2019.
Prior Publication US 2021/0037707 A1, Feb. 11, 2021
Int. Cl. A01D 34/78 (2006.01); A01D 34/81 (2006.01); A01D 101/00 (2006.01); A01D 34/69 (2006.01); A01D 34/00 (2006.01)
CPC A01D 34/78 (2013.01) [A01D 34/81 (2013.01); A01D 34/006 (2013.01); A01D 34/69 (2013.01); A01D 2101/00 (2013.01); B60L 2200/40 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A work machine comprising:
a housing; a motor positioned on an upper surface of the housing; a battery connected with the motor; a working unit to be driven by the motor; and a case covering the motor, wherein
an air introduction member that cools a control device by causing air to flow is provided on an inside of the case,
a ventilation port that causes air to flow into the inside of the case is provided to the case,
the ventilation port is provided in a position lower than the air introduction member and the control device,
a partition plate is provided to the air introduction member,
a suction port that sucks air flowing into the inside of the case is provided above the partition plate, and
an exhaust port that exhausts air drawn in by a cooling fan is provided below the partition plate.